forked from AuroraMiddleware/gtk
3048 lines
85 KiB
C
3048 lines
85 KiB
C
/*
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* Copyright © 2019 Benjamin Otte
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* Timm Bäder
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Benjamin Otte <otte@gnome.org>
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* Timm Bäder <mail@baedert.org>
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*/
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#include "config.h"
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#include "gskrendernodeparserprivate.h"
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#include "gskroundedrectprivate.h"
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#include "gskrendernodeprivate.h"
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#include "gsktransformprivate.h"
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#include "gdk/gdkrgbaprivate.h"
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#include "gdk/gdktextureprivate.h"
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#include <gtk/css/gtkcss.h>
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#include "gtk/css/gtkcssdataurlprivate.h"
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#include "gtk/css/gtkcssparserprivate.h"
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#include "gtk/css/gtkcssserializerprivate.h"
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#ifdef CAIRO_HAS_SCRIPT_SURFACE
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#include <cairo-script.h>
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#endif
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#ifdef HAVE_CAIRO_SCRIPT_INTERPRETER
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#include <cairo-script-interpreter.h>
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#endif
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typedef struct _Declaration Declaration;
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struct _Declaration
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{
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const char *name;
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gboolean (* parse_func) (GtkCssParser *parser, gpointer result);
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void (* clear_func) (gpointer data);
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gpointer result;
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};
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static gboolean
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parse_rect (GtkCssParser *parser,
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gpointer out_rect)
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{
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double numbers[4];
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if (!gtk_css_parser_consume_number (parser, &numbers[0]) ||
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!gtk_css_parser_consume_number (parser, &numbers[1]) ||
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!gtk_css_parser_consume_number (parser, &numbers[2]) ||
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!gtk_css_parser_consume_number (parser, &numbers[3]))
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return FALSE;
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graphene_rect_init (out_rect, numbers[0], numbers[1], numbers[2], numbers[3]);
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return TRUE;
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}
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static gboolean
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parse_texture (GtkCssParser *parser,
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gpointer out_data)
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{
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GdkTexture *texture;
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GError *error = NULL;
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GtkCssLocation start_location;
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char *url, *scheme;
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start_location = *gtk_css_parser_get_start_location (parser);
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url = gtk_css_parser_consume_url (parser);
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if (url == NULL)
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return FALSE;
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scheme = g_uri_parse_scheme (url);
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if (scheme && g_ascii_strcasecmp (scheme, "data") == 0)
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{
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GBytes *bytes;
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bytes = gtk_css_data_url_parse (url, NULL, &error);
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if (bytes)
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{
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texture = gdk_texture_new_from_bytes (bytes, &error);
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g_bytes_unref (bytes);
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}
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else
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{
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texture = NULL;
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}
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}
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else
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{
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GFile *file;
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file = gtk_css_parser_resolve_url (parser, url);
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if (file)
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{
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texture = gdk_texture_new_from_file (file, &error);
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g_object_unref (file);
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}
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else
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{
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texture = NULL;
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}
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}
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g_free (scheme);
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g_free (url);
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if (texture == NULL)
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{
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if (error)
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{
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gtk_css_parser_emit_error (parser,
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&start_location,
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gtk_css_parser_get_end_location (parser),
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error);
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g_clear_error (&error);
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}
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return FALSE;
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}
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*(GdkTexture **) out_data = texture;
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return TRUE;
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}
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static void
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clear_texture (gpointer inout_texture)
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{
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g_clear_object ((GdkTexture **) inout_texture);
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}
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static cairo_surface_t *
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csi_hooks_surface_create (void *closure,
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cairo_content_t content,
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double width,
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double height,
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long uid)
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{
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return cairo_surface_create_similar (closure, content, width, height);
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}
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static const cairo_user_data_key_t csi_hooks_key;
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static cairo_t *
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csi_hooks_context_create (void *closure,
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cairo_surface_t *surface)
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{
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cairo_t *cr = cairo_create (surface);
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cairo_set_user_data (cr,
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&csi_hooks_key,
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cairo_surface_reference (surface),
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(cairo_destroy_func_t) cairo_surface_destroy);
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return cr;
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}
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static void
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csi_hooks_context_destroy (void *closure,
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void *ptr)
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{
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cairo_surface_t *surface;
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cairo_t *cr;
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surface = cairo_get_user_data (ptr, &csi_hooks_key);
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cr = cairo_create (closure);
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cairo_set_source_surface (cr, surface, 0, 0);
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cairo_paint (cr);
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cairo_destroy (cr);
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}
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static gboolean
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parse_script (GtkCssParser *parser,
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gpointer out_data)
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{
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#ifdef HAVE_CAIRO_SCRIPT_INTERPRETER
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GError *error = NULL;
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GBytes *bytes;
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GtkCssLocation start_location;
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char *url, *scheme;
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cairo_script_interpreter_t *csi;
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cairo_script_interpreter_hooks_t hooks = {
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.surface_create = csi_hooks_surface_create,
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.context_create = csi_hooks_context_create,
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.context_destroy = csi_hooks_context_destroy,
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};
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start_location = *gtk_css_parser_get_start_location (parser);
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url = gtk_css_parser_consume_url (parser);
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if (url == NULL)
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return FALSE;
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scheme = g_uri_parse_scheme (url);
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if (scheme && g_ascii_strcasecmp (scheme, "data") == 0)
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{
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bytes = gtk_css_data_url_parse (url, NULL, &error);
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}
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else
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{
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GFile *file;
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file = gtk_css_parser_resolve_url (parser, url);
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bytes = g_file_load_bytes (file, NULL, NULL, &error);
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g_object_unref (file);
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}
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g_free (scheme);
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g_free (url);
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if (bytes == NULL)
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{
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gtk_css_parser_emit_error (parser,
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&start_location,
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gtk_css_parser_get_end_location (parser),
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error);
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g_clear_error (&error);
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return FALSE;
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}
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hooks.closure = cairo_recording_surface_create (CAIRO_CONTENT_COLOR_ALPHA, NULL);
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csi = cairo_script_interpreter_create ();
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cairo_script_interpreter_install_hooks (csi, &hooks);
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cairo_script_interpreter_feed_string (csi, g_bytes_get_data (bytes, NULL), g_bytes_get_size (bytes));
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g_bytes_unref (bytes);
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if (cairo_surface_status (hooks.closure) != CAIRO_STATUS_SUCCESS)
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{
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gtk_css_parser_error_value (parser, "Invalid Cairo script: %s", cairo_status_to_string (cairo_surface_status (hooks.closure)));
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cairo_script_interpreter_destroy (csi);
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return FALSE;
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}
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if (cairo_script_interpreter_destroy (csi) != CAIRO_STATUS_SUCCESS)
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{
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gtk_css_parser_error_value (parser, "Invalid Cairo script");
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cairo_surface_destroy (hooks.closure);
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return FALSE;
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}
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*(cairo_surface_t **) out_data = hooks.closure;
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return TRUE;
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#else
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gtk_css_parser_warn (parser,
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GTK_CSS_PARSER_WARNING_UNIMPLEMENTED,
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gtk_css_parser_get_block_location (parser),
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gtk_css_parser_get_start_location (parser),
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"GTK was compiled with script interpreter support. Using fallback pixel data for Cairo node.");
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*(cairo_surface_t **) out_data = NULL;
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return TRUE;
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#endif
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}
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static void
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clear_surface (gpointer inout_surface)
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{
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g_clear_pointer ((cairo_surface_t **) inout_surface, cairo_surface_destroy);
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}
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static gboolean
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parse_rounded_rect (GtkCssParser *parser,
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gpointer out_rect)
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{
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graphene_rect_t r;
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graphene_size_t corners[4];
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double d;
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guint i;
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if (!parse_rect (parser, &r))
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return FALSE;
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if (!gtk_css_parser_try_delim (parser, '/'))
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{
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gsk_rounded_rect_init_from_rect (out_rect, &r, 0);
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return TRUE;
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}
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for (i = 0; i < 4; i++)
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{
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if (!gtk_css_parser_has_number (parser))
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break;
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if (!gtk_css_parser_consume_number (parser, &d))
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return FALSE;
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corners[i].width = d;
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}
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if (i == 0)
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{
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gtk_css_parser_error_syntax (parser, "Expected a number");
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return FALSE;
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}
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/* The magic (i - 1) >> 1 below makes it take the correct value
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* according to spec. Feel free to check the 4 cases
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*/
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for (; i < 4; i++)
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corners[i].width = corners[(i - 1) >> 1].width;
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if (gtk_css_parser_try_delim (parser, '/'))
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{
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gtk_css_parser_consume_token (parser);
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for (i = 0; i < 4; i++)
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{
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if (!gtk_css_parser_has_number (parser))
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break;
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if (!gtk_css_parser_consume_number (parser, &d))
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return FALSE;
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corners[i].height = d;
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}
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if (i == 0)
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{
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gtk_css_parser_error_syntax (parser, "Expected a number");
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return FALSE;
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}
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for (; i < 4; i++)
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corners[i].height = corners[(i - 1) >> 1].height;
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}
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else
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{
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for (i = 0; i < 4; i++)
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corners[i].height = corners[i].width;
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}
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gsk_rounded_rect_init (out_rect, &r, &corners[0], &corners[1], &corners[2], &corners[3]);
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return TRUE;
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}
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static gboolean
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parse_color (GtkCssParser *parser,
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gpointer out_color)
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{
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return gdk_rgba_parser_parse (parser, out_color);
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}
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static gboolean
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parse_double (GtkCssParser *parser,
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gpointer out_double)
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{
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return gtk_css_parser_consume_number (parser, out_double);
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}
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static gboolean
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parse_point (GtkCssParser *parser,
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gpointer out_point)
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{
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double x, y;
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if (!gtk_css_parser_consume_number (parser, &x) ||
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!gtk_css_parser_consume_number (parser, &y))
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return FALSE;
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graphene_point_init (out_point, x, y);
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return TRUE;
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}
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static gboolean
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parse_transform (GtkCssParser *parser,
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gpointer out_transform)
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{
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GskTransform *transform;
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if (!gsk_transform_parser_parse (parser, &transform))
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{
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gsk_transform_unref (transform);
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return FALSE;
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}
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*(GskTransform **) out_transform = transform;
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return TRUE;
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}
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static void
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clear_transform (gpointer inout_transform)
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{
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g_clear_pointer ((GskTransform **) inout_transform, gsk_transform_unref);
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}
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static gboolean
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parse_string (GtkCssParser *parser,
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gpointer out_string)
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{
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const GtkCssToken *token;
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char *s;
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token = gtk_css_parser_get_token (parser);
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if (!gtk_css_token_is (token, GTK_CSS_TOKEN_STRING))
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return FALSE;
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s = g_strdup (token->string.string);
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gtk_css_parser_consume_token (parser);
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g_free (*(char **) out_string);
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*(char **) out_string = s;
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return TRUE;
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}
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static void
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clear_string (gpointer inout_string)
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{
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g_clear_pointer ((char **) inout_string, g_free);
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}
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static gboolean
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parse_stops (GtkCssParser *parser,
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gpointer out_stops)
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{
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GArray *stops;
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GskColorStop stop;
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stops = g_array_new (FALSE, FALSE, sizeof (GskColorStop));
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for (;;)
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{
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double dval;
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if (!gtk_css_parser_consume_number (parser, &dval))
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goto error;
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stop.offset = dval;
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if (!gdk_rgba_parser_parse (parser, &stop.color))
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goto error;
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if (stops->len == 0 && stop.offset < 0)
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gtk_css_parser_error_value (parser, "Color stop offset must be >= 0");
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else if (stops->len > 0 && stop.offset < g_array_index (stops, GskColorStop, stops->len - 1).offset)
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gtk_css_parser_error_value (parser, "Color stop offset must be >= previous value");
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else if (stop.offset > 1)
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gtk_css_parser_error_value (parser, "Color stop offset must be <= 1");
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else
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g_array_append_val (stops, stop);
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if (gtk_css_parser_has_token (parser, GTK_CSS_TOKEN_COMMA))
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gtk_css_parser_skip (parser);
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else
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break;
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}
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if (stops->len < 2)
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{
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gtk_css_parser_error_value (parser, "At least 2 color stops need to be specified");
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g_array_free (stops, TRUE);
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return FALSE;
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}
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if (*(GArray **) out_stops)
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g_array_free (*(GArray **) out_stops, TRUE);
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*(GArray **) out_stops = stops;
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return TRUE;
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error:
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g_array_free (stops, TRUE);
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return FALSE;
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}
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static void
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clear_stops (gpointer inout_stops)
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{
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GArray **stops = (GArray **) inout_stops;
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if (*stops)
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{
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g_array_free (*stops, TRUE);
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*stops = NULL;
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}
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}
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|
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static gboolean
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parse_float4 (GtkCssParser *parser,
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gpointer out_floats)
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{
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float *floats = (float *) out_floats;
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double d[4];
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int i;
|
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for (i = 0; i < 4 && !gtk_css_parser_has_token (parser, GTK_CSS_TOKEN_EOF); i ++)
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{
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if (!gtk_css_parser_consume_number (parser, &d[i]))
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return FALSE;
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}
|
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if (i == 0)
|
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{
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gtk_css_parser_error_syntax (parser, "Expected a color");
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return FALSE;
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}
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for (; i < 4; i++)
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{
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d[i] = d[(i - 1) >> 1];
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}
|
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|
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for (i = 0; i < 4; i++)
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{
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floats[i] = d[i];
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}
|
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|
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return TRUE;
|
|
}
|
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|
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static gboolean
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parse_colors4 (GtkCssParser *parser,
|
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gpointer out_colors)
|
|
{
|
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GdkRGBA colors[4];
|
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int i;
|
|
|
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for (i = 0; i < 4 && !gtk_css_parser_has_token (parser, GTK_CSS_TOKEN_EOF); i ++)
|
|
{
|
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if (!gdk_rgba_parser_parse (parser, &colors[i]))
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return FALSE;
|
|
}
|
|
if (i == 0)
|
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{
|
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gtk_css_parser_error_syntax (parser, "Expected a color");
|
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return FALSE;
|
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}
|
|
for (; i < 4; i++)
|
|
{
|
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colors[i] = colors[(i - 1) >> 1];
|
|
}
|
|
|
|
memcpy (out_colors, colors, sizeof (GdkRGBA) * 4);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
parse_shadows (GtkCssParser *parser,
|
|
gpointer out_shadows)
|
|
{
|
|
GArray *shadows = out_shadows;
|
|
|
|
do
|
|
{
|
|
GskShadow shadow = { GDK_RGBA("000000"), 0, 0, 0 };
|
|
double dx = 0, dy = 0, radius = 0;
|
|
|
|
if (!gdk_rgba_parser_parse (parser, &shadow.color))
|
|
gtk_css_parser_error_value (parser, "Expected shadow color");
|
|
|
|
if (!gtk_css_parser_consume_number (parser, &dx))
|
|
gtk_css_parser_error_value (parser, "Expected shadow x offset");
|
|
|
|
if (!gtk_css_parser_consume_number (parser, &dy))
|
|
gtk_css_parser_error_value (parser, "Expected shadow y offset");
|
|
|
|
if (gtk_css_parser_has_number (parser))
|
|
{
|
|
if (!gtk_css_parser_consume_number (parser, &radius))
|
|
gtk_css_parser_error_value (parser, "Expected shadow blur radius");
|
|
}
|
|
|
|
shadow.dx = dx;
|
|
shadow.dy = dy;
|
|
shadow.radius = radius;
|
|
|
|
g_array_append_val (shadows, shadow);
|
|
}
|
|
while (gtk_css_parser_try_token (parser, GTK_CSS_TOKEN_COMMA));
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
clear_shadows (gpointer inout_shadows)
|
|
{
|
|
g_array_set_size (*(GArray **) inout_shadows, 0);
|
|
}
|
|
|
|
static const struct
|
|
{
|
|
GskBlendMode mode;
|
|
const char *name;
|
|
} blend_modes[] = {
|
|
{ GSK_BLEND_MODE_DEFAULT, "normal" },
|
|
{ GSK_BLEND_MODE_MULTIPLY, "multiply" },
|
|
{ GSK_BLEND_MODE_SCREEN, "screen" },
|
|
{ GSK_BLEND_MODE_OVERLAY, "overlay" },
|
|
{ GSK_BLEND_MODE_DARKEN, "darken" },
|
|
{ GSK_BLEND_MODE_LIGHTEN, "lighten" },
|
|
{ GSK_BLEND_MODE_COLOR_DODGE, "color-dodge" },
|
|
{ GSK_BLEND_MODE_COLOR_BURN, "color-burn" },
|
|
{ GSK_BLEND_MODE_HARD_LIGHT, "hard-light" },
|
|
{ GSK_BLEND_MODE_SOFT_LIGHT, "soft-light" },
|
|
{ GSK_BLEND_MODE_DIFFERENCE, "difference" },
|
|
{ GSK_BLEND_MODE_EXCLUSION, "exclusion" },
|
|
{ GSK_BLEND_MODE_COLOR, "color" },
|
|
{ GSK_BLEND_MODE_HUE, "hue" },
|
|
{ GSK_BLEND_MODE_SATURATION, "saturation" },
|
|
{ GSK_BLEND_MODE_LUMINOSITY, "luminosity" }
|
|
};
|
|
|
|
static gboolean
|
|
parse_blend_mode (GtkCssParser *parser,
|
|
gpointer out_mode)
|
|
{
|
|
guint i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (blend_modes); i++)
|
|
{
|
|
if (gtk_css_parser_try_ident (parser, blend_modes[i].name))
|
|
{
|
|
*(GskBlendMode *) out_mode = blend_modes[i].mode;
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static PangoFont *
|
|
font_from_string (const char *string)
|
|
{
|
|
PangoFontDescription *desc;
|
|
PangoFontMap *font_map;
|
|
PangoContext *context;
|
|
PangoFont *font;
|
|
|
|
desc = pango_font_description_from_string (string);
|
|
font_map = pango_cairo_font_map_get_default ();
|
|
context = pango_font_map_create_context (font_map);
|
|
font = pango_font_map_load_font (font_map, context, desc);
|
|
|
|
pango_font_description_free (desc);
|
|
g_object_unref (context);
|
|
|
|
return font;
|
|
}
|
|
|
|
#define MIN_ASCII_GLYPH 32
|
|
#define MAX_ASCII_GLYPH 127 /* exclusive */
|
|
#define N_ASCII_GLYPHS (MAX_ASCII_GLYPH - MIN_ASCII_GLYPH)
|
|
|
|
static PangoGlyphString *
|
|
create_ascii_glyphs (PangoFont *font)
|
|
{
|
|
PangoLanguage *language = pango_language_from_string ("en_US"); /* just pick one */
|
|
PangoCoverage *coverage;
|
|
PangoAnalysis not_a_hack = {
|
|
.shape_engine = NULL, /* unused */
|
|
.lang_engine = NULL, /* unused by pango_shape() */
|
|
.font = font,
|
|
.level = 0,
|
|
.gravity = PANGO_GRAVITY_SOUTH,
|
|
.flags = 0,
|
|
.script = PANGO_SCRIPT_COMMON,
|
|
.language = language,
|
|
.extra_attrs = NULL
|
|
};
|
|
PangoGlyphString *result, *glyph_string;
|
|
guint i;
|
|
|
|
coverage = pango_font_get_coverage (font, language);
|
|
for (i = MIN_ASCII_GLYPH; i < MAX_ASCII_GLYPH; i++)
|
|
{
|
|
if (!pango_coverage_get (coverage, i))
|
|
break;
|
|
}
|
|
pango_coverage_unref (coverage);
|
|
if (i < MAX_ASCII_GLYPH)
|
|
return NULL;
|
|
|
|
result = pango_glyph_string_new ();
|
|
pango_glyph_string_set_size (result, N_ASCII_GLYPHS);
|
|
glyph_string = pango_glyph_string_new ();
|
|
for (i = MIN_ASCII_GLYPH; i < MAX_ASCII_GLYPH; i++)
|
|
{
|
|
const char text[2] = { i, 0 };
|
|
PangoShapeFlags flags = 0;
|
|
|
|
if (cairo_version () < CAIRO_VERSION_ENCODE (1, 17, 4))
|
|
flags = PANGO_SHAPE_ROUND_POSITIONS;
|
|
|
|
pango_shape_with_flags (text, 1,
|
|
text, 1,
|
|
¬_a_hack,
|
|
glyph_string,
|
|
flags);
|
|
|
|
if (glyph_string->num_glyphs != 1)
|
|
{
|
|
pango_glyph_string_free (glyph_string);
|
|
pango_glyph_string_free (result);
|
|
return NULL;
|
|
}
|
|
result->glyphs[i - MIN_ASCII_GLYPH] = glyph_string->glyphs[0];
|
|
}
|
|
|
|
pango_glyph_string_free (glyph_string);
|
|
|
|
return result;
|
|
}
|
|
|
|
static gboolean
|
|
parse_font (GtkCssParser *parser,
|
|
gpointer out_font)
|
|
{
|
|
PangoFont *font;
|
|
char *s;
|
|
|
|
s = gtk_css_parser_consume_string (parser);
|
|
if (s == NULL)
|
|
return FALSE;
|
|
|
|
font = font_from_string (s);
|
|
if (font == NULL)
|
|
{
|
|
gtk_css_parser_error_syntax (parser, "This font does not exist.");
|
|
return FALSE;
|
|
}
|
|
|
|
*((PangoFont**)out_font) = font;
|
|
|
|
g_free (s);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
clear_font (gpointer inout_font)
|
|
{
|
|
g_clear_object ((PangoFont **) inout_font);
|
|
}
|
|
|
|
static gboolean
|
|
parse_glyphs (GtkCssParser *parser,
|
|
gpointer out_glyphs)
|
|
{
|
|
PangoGlyphString *glyph_string;
|
|
|
|
glyph_string = pango_glyph_string_new ();
|
|
|
|
do
|
|
{
|
|
PangoGlyphInfo gi = { 0, { 0, 0, 0}, { 1 } };
|
|
double d, d2;
|
|
int i;
|
|
|
|
if (gtk_css_parser_has_token (parser, GTK_CSS_TOKEN_STRING))
|
|
{
|
|
char *s = gtk_css_parser_consume_string (parser);
|
|
|
|
for (i = 0; s[i] != 0; i++)
|
|
{
|
|
if (s[i] < MIN_ASCII_GLYPH || s[i] >= MAX_ASCII_GLYPH)
|
|
{
|
|
gtk_css_parser_error_value (parser, "Unsupported character %d in string", i);
|
|
}
|
|
gi.glyph = PANGO_GLYPH_INVALID_INPUT - MAX_ASCII_GLYPH + s[i];
|
|
pango_glyph_string_set_size (glyph_string, glyph_string->num_glyphs + 1);
|
|
glyph_string->glyphs[glyph_string->num_glyphs - 1] = gi;
|
|
}
|
|
|
|
g_free (s);
|
|
}
|
|
else
|
|
{
|
|
if (!gtk_css_parser_consume_integer (parser, &i) ||
|
|
!gtk_css_parser_consume_number (parser, &d))
|
|
{
|
|
pango_glyph_string_free (glyph_string);
|
|
return FALSE;
|
|
}
|
|
gi.glyph = i;
|
|
gi.geometry.width = (int) (d * PANGO_SCALE);
|
|
|
|
if (gtk_css_parser_has_number (parser))
|
|
{
|
|
if (!gtk_css_parser_consume_number (parser, &d) ||
|
|
!gtk_css_parser_consume_number (parser, &d2))
|
|
{
|
|
pango_glyph_string_free (glyph_string);
|
|
return FALSE;
|
|
}
|
|
gi.geometry.x_offset = (int) (d * PANGO_SCALE);
|
|
gi.geometry.y_offset = (int) (d2 * PANGO_SCALE);
|
|
|
|
if (gtk_css_parser_try_ident (parser, "same-cluster"))
|
|
gi.attr.is_cluster_start = 0;
|
|
else
|
|
gi.attr.is_cluster_start = 1;
|
|
|
|
if (gtk_css_parser_try_ident (parser, "color"))
|
|
gi.attr.is_color = 1;
|
|
else
|
|
gi.attr.is_color = 0;
|
|
}
|
|
|
|
pango_glyph_string_set_size (glyph_string, glyph_string->num_glyphs + 1);
|
|
glyph_string->glyphs[glyph_string->num_glyphs - 1] = gi;
|
|
}
|
|
}
|
|
while (gtk_css_parser_try_token (parser, GTK_CSS_TOKEN_COMMA));
|
|
|
|
*((PangoGlyphString **)out_glyphs) = glyph_string;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
clear_glyphs (gpointer inout_glyphs)
|
|
{
|
|
g_clear_pointer ((PangoGlyphString **) inout_glyphs, pango_glyph_string_free);
|
|
}
|
|
|
|
static gboolean
|
|
parse_node (GtkCssParser *parser, gpointer out_node);
|
|
|
|
static void
|
|
clear_node (gpointer inout_node)
|
|
{
|
|
g_clear_pointer ((GskRenderNode **) inout_node, gsk_render_node_unref);
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_container_node (GtkCssParser *parser)
|
|
{
|
|
GPtrArray *nodes;
|
|
const GtkCssToken *token;
|
|
GskRenderNode *node;
|
|
|
|
nodes = g_ptr_array_new_with_free_func ((GDestroyNotify) gsk_render_node_unref);
|
|
|
|
for (token = gtk_css_parser_get_token (parser);
|
|
!gtk_css_token_is (token, GTK_CSS_TOKEN_EOF);
|
|
token = gtk_css_parser_get_token (parser))
|
|
{
|
|
node = NULL;
|
|
/* We don't want a semicolon here, but the parse_node function will figure
|
|
* that out itself and return an error if we encounter one.
|
|
*/
|
|
gtk_css_parser_start_semicolon_block (parser, GTK_CSS_TOKEN_OPEN_CURLY);
|
|
|
|
if (parse_node (parser, &node))
|
|
g_ptr_array_add (nodes, node);
|
|
|
|
gtk_css_parser_end_block (parser);
|
|
}
|
|
|
|
node = gsk_container_node_new ((GskRenderNode **) nodes->pdata, nodes->len);
|
|
|
|
g_ptr_array_unref (nodes);
|
|
|
|
return node;
|
|
}
|
|
|
|
static guint
|
|
parse_declarations (GtkCssParser *parser,
|
|
const Declaration *declarations,
|
|
guint n_declarations)
|
|
{
|
|
guint parsed = 0;
|
|
guint i;
|
|
|
|
g_assert (n_declarations < 8 * sizeof (guint));
|
|
|
|
while (!gtk_css_parser_has_token (parser, GTK_CSS_TOKEN_EOF))
|
|
{
|
|
gtk_css_parser_start_semicolon_block (parser, GTK_CSS_TOKEN_OPEN_CURLY);
|
|
|
|
for (i = 0; i < n_declarations; i++)
|
|
{
|
|
if (gtk_css_parser_try_ident (parser, declarations[i].name))
|
|
{
|
|
if (!gtk_css_parser_try_token (parser, GTK_CSS_TOKEN_COLON))
|
|
{
|
|
gtk_css_parser_error_syntax (parser, "Expected ':' after variable declaration");
|
|
}
|
|
else
|
|
{
|
|
if (parsed & (1 << i))
|
|
{
|
|
gtk_css_parser_warn_syntax (parser, "Variable \"%s\" defined multiple times", declarations[i].name);
|
|
/* Unset, just to be sure */
|
|
parsed &= ~(1 << i);
|
|
if (declarations[i].clear_func)
|
|
declarations[i].clear_func (declarations[i].result);
|
|
}
|
|
if (!declarations[i].parse_func (parser, declarations[i].result))
|
|
{
|
|
/* nothing to do */
|
|
}
|
|
else if (!gtk_css_parser_has_token (parser, GTK_CSS_TOKEN_EOF))
|
|
{
|
|
gtk_css_parser_error_syntax (parser, "Expected ';' at end of statement");
|
|
if (declarations[i].clear_func)
|
|
declarations[i].clear_func (declarations[i].result);
|
|
}
|
|
else
|
|
{
|
|
parsed |= (1 << i);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (i == n_declarations)
|
|
{
|
|
if (gtk_css_parser_has_token (parser, GTK_CSS_TOKEN_IDENT))
|
|
gtk_css_parser_error_syntax (parser, "No variable named \"%s\"",
|
|
gtk_css_parser_get_token (parser)->string.string);
|
|
else
|
|
gtk_css_parser_error_syntax (parser, "Expected a variable name");
|
|
}
|
|
|
|
gtk_css_parser_end_block (parser);
|
|
}
|
|
|
|
return parsed;
|
|
}
|
|
|
|
static GdkTexture *
|
|
create_default_texture (void)
|
|
{
|
|
static const guint32 pixels[100] = {
|
|
0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0,
|
|
0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0,
|
|
0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0,
|
|
0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0,
|
|
0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC,
|
|
0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC,
|
|
0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC,
|
|
0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC,
|
|
0, 0, 0, 0, 0, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC, 0xFFFF00CC };
|
|
GBytes *bytes;
|
|
GdkTexture *texture;
|
|
|
|
bytes = g_bytes_new_static ((guchar *) pixels, 400);
|
|
texture = gdk_memory_texture_new (10, 10, GDK_MEMORY_DEFAULT, bytes, 40);
|
|
g_bytes_unref (bytes);
|
|
|
|
return texture;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
create_default_render_node (void)
|
|
{
|
|
return gsk_color_node_new (&GDK_RGBA("FF00CC"), &GRAPHENE_RECT_INIT (0, 0, 50, 50));
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_color_node (GtkCssParser *parser)
|
|
{
|
|
graphene_rect_t bounds = GRAPHENE_RECT_INIT (0, 0, 50, 50);
|
|
GdkRGBA color = GDK_RGBA("FF00CC");
|
|
const Declaration declarations[] = {
|
|
{ "bounds", parse_rect, NULL, &bounds },
|
|
{ "color", parse_color, NULL, &color },
|
|
};
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
|
|
return gsk_color_node_new (&color, &bounds);
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_linear_gradient_node_internal (GtkCssParser *parser,
|
|
gboolean repeating)
|
|
{
|
|
graphene_rect_t bounds = GRAPHENE_RECT_INIT (0, 0, 50, 50);
|
|
graphene_point_t start = GRAPHENE_POINT_INIT (0, 0);
|
|
graphene_point_t end = GRAPHENE_POINT_INIT (0, 50);
|
|
GArray *stops = NULL;
|
|
const Declaration declarations[] = {
|
|
{ "bounds", parse_rect, NULL, &bounds },
|
|
{ "start", parse_point, NULL, &start },
|
|
{ "end", parse_point, NULL, &end },
|
|
{ "stops", parse_stops, clear_stops, &stops },
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (stops == NULL)
|
|
{
|
|
GskColorStop from = { 0.0, GDK_RGBA("AAFF00") };
|
|
GskColorStop to = { 1.0, GDK_RGBA("FF00CC") };
|
|
|
|
stops = g_array_new (FALSE, FALSE, sizeof (GskColorStop));
|
|
g_array_append_val (stops, from);
|
|
g_array_append_val (stops, to);
|
|
}
|
|
|
|
if (repeating)
|
|
result = gsk_repeating_linear_gradient_node_new (&bounds, &start, &end, (GskColorStop *) stops->data, stops->len);
|
|
else
|
|
result = gsk_linear_gradient_node_new (&bounds, &start, &end, (GskColorStop *) stops->data, stops->len);
|
|
|
|
g_array_free (stops, TRUE);
|
|
|
|
return result;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_linear_gradient_node (GtkCssParser *parser)
|
|
{
|
|
return parse_linear_gradient_node_internal (parser, FALSE);
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_repeating_linear_gradient_node (GtkCssParser *parser)
|
|
{
|
|
return parse_linear_gradient_node_internal (parser, TRUE);
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_radial_gradient_node_internal (GtkCssParser *parser,
|
|
gboolean repeating)
|
|
{
|
|
graphene_rect_t bounds = GRAPHENE_RECT_INIT (0, 0, 50, 50);
|
|
graphene_point_t center = GRAPHENE_POINT_INIT (25, 25);
|
|
double hradius = 25.0;
|
|
double vradius = 25.0;
|
|
double start = 0;
|
|
double end = 1.0;
|
|
GArray *stops = NULL;
|
|
const Declaration declarations[] = {
|
|
{ "bounds", parse_rect, NULL, &bounds },
|
|
{ "center", parse_point, NULL, ¢er },
|
|
{ "hradius", parse_double, NULL, &hradius },
|
|
{ "vradius", parse_double, NULL, &vradius },
|
|
{ "start", parse_double, NULL, &start },
|
|
{ "end", parse_double, NULL, &end },
|
|
{ "stops", parse_stops, clear_stops, &stops },
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (stops == NULL)
|
|
{
|
|
GskColorStop from = { 0.0, GDK_RGBA("AAFF00") };
|
|
GskColorStop to = { 1.0, GDK_RGBA("FF00CC") };
|
|
|
|
stops = g_array_new (FALSE, FALSE, sizeof (GskColorStop));
|
|
g_array_append_val (stops, from);
|
|
g_array_append_val (stops, to);
|
|
}
|
|
|
|
if (repeating)
|
|
result = gsk_repeating_radial_gradient_node_new (&bounds, ¢er, hradius, vradius, start, end,
|
|
(GskColorStop *) stops->data, stops->len);
|
|
else
|
|
result = gsk_radial_gradient_node_new (&bounds, ¢er, hradius, vradius, start, end,
|
|
(GskColorStop *) stops->data, stops->len);
|
|
|
|
g_array_free (stops, TRUE);
|
|
|
|
return result;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_radial_gradient_node (GtkCssParser *parser)
|
|
{
|
|
return parse_radial_gradient_node_internal (parser, FALSE);
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_repeating_radial_gradient_node (GtkCssParser *parser)
|
|
{
|
|
return parse_radial_gradient_node_internal (parser, TRUE);
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_conic_gradient_node (GtkCssParser *parser)
|
|
{
|
|
graphene_rect_t bounds = GRAPHENE_RECT_INIT (0, 0, 50, 50);
|
|
graphene_point_t center = GRAPHENE_POINT_INIT (25, 25);
|
|
double rotation = 0.0;
|
|
GArray *stops = NULL;
|
|
const Declaration declarations[] = {
|
|
{ "bounds", parse_rect, NULL, &bounds },
|
|
{ "center", parse_point, NULL, ¢er },
|
|
{ "rotation", parse_double, NULL, &rotation },
|
|
{ "stops", parse_stops, clear_stops, &stops },
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (stops == NULL)
|
|
{
|
|
GskColorStop from = { 0.0, GDK_RGBA("AAFF00") };
|
|
GskColorStop to = { 1.0, GDK_RGBA("FF00CC") };
|
|
|
|
stops = g_array_new (FALSE, FALSE, sizeof (GskColorStop));
|
|
g_array_append_val (stops, from);
|
|
g_array_append_val (stops, to);
|
|
}
|
|
|
|
result = gsk_conic_gradient_node_new (&bounds, ¢er, rotation,
|
|
(GskColorStop *) stops->data, stops->len);
|
|
|
|
g_array_free (stops, TRUE);
|
|
|
|
return result;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_inset_shadow_node (GtkCssParser *parser)
|
|
{
|
|
GskRoundedRect outline = GSK_ROUNDED_RECT_INIT (0, 0, 50, 50);
|
|
GdkRGBA color = GDK_RGBA("000000");
|
|
double dx = 1, dy = 1, blur = 0, spread = 0;
|
|
const Declaration declarations[] = {
|
|
{ "outline", parse_rounded_rect, NULL, &outline },
|
|
{ "color", parse_color, NULL, &color },
|
|
{ "dx", parse_double, NULL, &dx },
|
|
{ "dy", parse_double, NULL, &dy },
|
|
{ "spread", parse_double, NULL, &spread },
|
|
{ "blur", parse_double, NULL, &blur }
|
|
};
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
|
|
return gsk_inset_shadow_node_new (&outline, &color, dx, dy, spread, blur);
|
|
}
|
|
|
|
typedef union {
|
|
gint32 i;
|
|
double v[4];
|
|
} UniformValue;
|
|
|
|
typedef struct {
|
|
GskGLShader *shader;
|
|
GskShaderArgsBuilder *args;
|
|
} ShaderInfo;
|
|
|
|
static void
|
|
clear_shader_info (gpointer data)
|
|
{
|
|
ShaderInfo *info = data;
|
|
g_clear_object (&info->shader);
|
|
g_clear_pointer (&info->args, gsk_shader_args_builder_unref);
|
|
}
|
|
|
|
static gboolean
|
|
parse_shader (GtkCssParser *parser,
|
|
gpointer out_shader_info)
|
|
{
|
|
ShaderInfo *shader_info = out_shader_info;
|
|
char *sourcecode = NULL;
|
|
GBytes *bytes;
|
|
GskGLShader *shader;
|
|
|
|
if (!parse_string (parser, &sourcecode))
|
|
return FALSE;
|
|
|
|
bytes = g_bytes_new_take (sourcecode, strlen (sourcecode));
|
|
shader = gsk_gl_shader_new_from_bytes (bytes);
|
|
g_bytes_unref (bytes);
|
|
|
|
shader_info->shader = shader;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
parse_uniform_value (GtkCssParser *parser,
|
|
int idx,
|
|
ShaderInfo *shader_info)
|
|
{
|
|
switch (gsk_gl_shader_get_uniform_type (shader_info->shader, idx))
|
|
{
|
|
case GSK_GL_UNIFORM_TYPE_FLOAT:
|
|
{
|
|
double f;
|
|
if (!gtk_css_parser_consume_number (parser, &f))
|
|
return FALSE;
|
|
gsk_shader_args_builder_set_float (shader_info->args, idx, f);
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_INT:
|
|
{
|
|
int i;
|
|
if (!gtk_css_parser_consume_integer (parser, &i))
|
|
return FALSE;
|
|
gsk_shader_args_builder_set_int (shader_info->args, idx, i);
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_UINT:
|
|
{
|
|
int i;
|
|
if (!gtk_css_parser_consume_integer (parser, &i) || i < 0)
|
|
return FALSE;
|
|
gsk_shader_args_builder_set_uint (shader_info->args, idx, i);
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_BOOL:
|
|
{
|
|
int i;
|
|
if (!gtk_css_parser_consume_integer (parser, &i) || (i != 0 && i != 1))
|
|
return FALSE;
|
|
gsk_shader_args_builder_set_bool (shader_info->args, idx, i);
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_VEC2:
|
|
{
|
|
double f0, f1;
|
|
graphene_vec2_t v;
|
|
if (!gtk_css_parser_consume_number (parser, &f0) ||
|
|
!gtk_css_parser_consume_number (parser, &f1))
|
|
return FALSE;
|
|
graphene_vec2_init (&v, f0, f1);
|
|
gsk_shader_args_builder_set_vec2 (shader_info->args, idx, &v);
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_VEC3:
|
|
{
|
|
double f0, f1, f2;
|
|
graphene_vec3_t v;
|
|
if (!gtk_css_parser_consume_number (parser, &f0) ||
|
|
!gtk_css_parser_consume_number (parser, &f1) ||
|
|
!gtk_css_parser_consume_number (parser, &f2))
|
|
return FALSE;
|
|
graphene_vec3_init (&v, f0, f1, f2);
|
|
gsk_shader_args_builder_set_vec3 (shader_info->args, idx, &v);
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_VEC4:
|
|
{
|
|
double f0, f1, f2, f3;
|
|
graphene_vec4_t v;
|
|
if (!gtk_css_parser_consume_number (parser, &f0) ||
|
|
!gtk_css_parser_consume_number (parser, &f1) ||
|
|
!gtk_css_parser_consume_number (parser, &f2) ||
|
|
!gtk_css_parser_consume_number (parser, &f3))
|
|
return FALSE;
|
|
graphene_vec4_init (&v, f0, f1, f2, f3);
|
|
gsk_shader_args_builder_set_vec4 (shader_info->args, idx, &v);
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_NONE:
|
|
default:
|
|
g_assert_not_reached ();
|
|
break;
|
|
}
|
|
|
|
if (idx < gsk_gl_shader_get_n_uniforms (shader_info->shader))
|
|
{
|
|
if (!gtk_css_parser_try_token (parser, GTK_CSS_TOKEN_COMMA))
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
parse_shader_args (GtkCssParser *parser, gpointer data)
|
|
{
|
|
ShaderInfo *shader_info = data;
|
|
int n_uniforms;
|
|
int i;
|
|
|
|
shader_info->args = gsk_shader_args_builder_new (shader_info->shader, NULL);
|
|
n_uniforms = gsk_gl_shader_get_n_uniforms (shader_info->shader);
|
|
|
|
for (i = 0; i < n_uniforms; i++)
|
|
{
|
|
if (!parse_uniform_value (parser, i, shader_info))
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_glshader_node (GtkCssParser *parser)
|
|
{
|
|
graphene_rect_t bounds = GRAPHENE_RECT_INIT (0, 0, 50, 50);
|
|
GskRenderNode *child[4] = { NULL, };
|
|
ShaderInfo shader_info = {
|
|
NULL,
|
|
NULL,
|
|
};
|
|
const Declaration declarations[] = {
|
|
{ "bounds", parse_rect, NULL, &bounds },
|
|
{ "sourcecode", parse_shader, NULL, &shader_info },
|
|
{ "args", parse_shader_args, clear_shader_info, &shader_info },
|
|
{ "child1", parse_node, clear_node, &child[0] },
|
|
{ "child2", parse_node, clear_node, &child[1] },
|
|
{ "child3", parse_node, clear_node, &child[2] },
|
|
{ "child4", parse_node, clear_node, &child[3] },
|
|
};
|
|
GskGLShader *shader;
|
|
GskRenderNode *node;
|
|
GBytes *args = NULL;
|
|
int len, i;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
|
|
for (len = 0; len < 4; len++)
|
|
{
|
|
if (child[len] == NULL)
|
|
break;
|
|
}
|
|
|
|
shader = shader_info.shader;
|
|
args = gsk_shader_args_builder_free_to_args (shader_info.args);
|
|
|
|
node = gsk_gl_shader_node_new (shader, &bounds, args, child, len);
|
|
|
|
g_bytes_unref (args);
|
|
g_object_unref (shader);
|
|
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
if (child[i])
|
|
gsk_render_node_unref (child[i]);
|
|
}
|
|
|
|
return node;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_border_node (GtkCssParser *parser)
|
|
{
|
|
GskRoundedRect outline = GSK_ROUNDED_RECT_INIT (0, 0, 50, 50);
|
|
float widths[4] = { 1, 1, 1, 1 };
|
|
GdkRGBA colors[4] = { GDK_RGBA("000"), GDK_RGBA("000"), GDK_RGBA("000"), GDK_RGBA("000") };
|
|
const Declaration declarations[] = {
|
|
{ "outline", parse_rounded_rect, NULL, &outline },
|
|
{ "widths", parse_float4, NULL, &widths },
|
|
{ "colors", parse_colors4, NULL, &colors }
|
|
};
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
|
|
return gsk_border_node_new (&outline, widths, colors);
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_texture_node (GtkCssParser *parser)
|
|
{
|
|
graphene_rect_t bounds = GRAPHENE_RECT_INIT (0, 0, 50, 50);
|
|
GdkTexture *texture = NULL;
|
|
const Declaration declarations[] = {
|
|
{ "bounds", parse_rect, NULL, &bounds },
|
|
{ "texture", parse_texture, clear_texture, &texture }
|
|
};
|
|
GskRenderNode *node;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
|
|
if (texture == NULL)
|
|
texture = create_default_texture ();
|
|
|
|
node = gsk_texture_node_new (texture, &bounds);
|
|
g_object_unref (texture);
|
|
|
|
return node;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_cairo_node (GtkCssParser *parser)
|
|
{
|
|
graphene_rect_t bounds = GRAPHENE_RECT_INIT (0, 0, 50, 50);
|
|
GdkTexture *pixels = NULL;
|
|
cairo_surface_t *surface = NULL;
|
|
const Declaration declarations[] = {
|
|
{ "bounds", parse_rect, NULL, &bounds },
|
|
{ "pixels", parse_texture, clear_texture, &pixels },
|
|
{ "script", parse_script, clear_surface, &surface }
|
|
};
|
|
GskRenderNode *node;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
|
|
node = gsk_cairo_node_new (&bounds);
|
|
|
|
if (surface != NULL)
|
|
{
|
|
cairo_t *cr = gsk_cairo_node_get_draw_context (node);
|
|
cairo_set_source_surface (cr, surface, 0, 0);
|
|
cairo_paint (cr);
|
|
cairo_destroy (cr);
|
|
}
|
|
else if (pixels != NULL)
|
|
{
|
|
cairo_t *cr = gsk_cairo_node_get_draw_context (node);
|
|
surface = gdk_texture_download_surface (pixels);
|
|
cairo_set_source_surface (cr, surface, 0, 0);
|
|
cairo_paint (cr);
|
|
cairo_destroy (cr);
|
|
}
|
|
else
|
|
{
|
|
/* do nothing */
|
|
}
|
|
|
|
g_clear_object (&pixels);
|
|
g_clear_pointer (&surface, cairo_surface_destroy);
|
|
|
|
return node;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_outset_shadow_node (GtkCssParser *parser)
|
|
{
|
|
GskRoundedRect outline = GSK_ROUNDED_RECT_INIT (0, 0, 50, 50);
|
|
GdkRGBA color = GDK_RGBA("000000");
|
|
double dx = 1, dy = 1, blur = 0, spread = 0;
|
|
const Declaration declarations[] = {
|
|
{ "outline", parse_rounded_rect, NULL, &outline },
|
|
{ "color", parse_color, NULL, &color },
|
|
{ "dx", parse_double, NULL, &dx },
|
|
{ "dy", parse_double, NULL, &dy },
|
|
{ "spread", parse_double, NULL, &spread },
|
|
{ "blur", parse_double, NULL, &blur }
|
|
};
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
|
|
return gsk_outset_shadow_node_new (&outline, &color, dx, dy, spread, blur);
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_transform_node (GtkCssParser *parser)
|
|
{
|
|
GskRenderNode *child = NULL;
|
|
GskTransform *transform = NULL;
|
|
const Declaration declarations[] = {
|
|
{ "transform", parse_transform, clear_transform, &transform },
|
|
{ "child", parse_node, clear_node, &child },
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (child == NULL)
|
|
child = create_default_render_node ();
|
|
|
|
/* This is very much cheating, isn't it? */
|
|
if (transform == NULL)
|
|
transform = gsk_transform_new ();
|
|
|
|
result = gsk_transform_node_new (child, transform);
|
|
|
|
gsk_render_node_unref (child);
|
|
gsk_transform_unref (transform);
|
|
|
|
return result;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_opacity_node (GtkCssParser *parser)
|
|
{
|
|
GskRenderNode *child = NULL;
|
|
double opacity = 0.5;
|
|
const Declaration declarations[] = {
|
|
{ "opacity", parse_double, NULL, &opacity },
|
|
{ "child", parse_node, clear_node, &child },
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (child == NULL)
|
|
child = create_default_render_node ();
|
|
|
|
result = gsk_opacity_node_new (child, opacity);
|
|
|
|
gsk_render_node_unref (child);
|
|
|
|
return result;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_color_matrix_node (GtkCssParser *parser)
|
|
{
|
|
GskRenderNode *child = NULL;
|
|
graphene_matrix_t matrix;
|
|
GskTransform *transform = NULL;
|
|
graphene_rect_t offset_rect = GRAPHENE_RECT_INIT (0, 0, 0, 0);
|
|
graphene_vec4_t offset;
|
|
const Declaration declarations[] = {
|
|
{ "matrix", parse_transform, clear_transform, &transform },
|
|
{ "offset", parse_rect, NULL, &offset_rect },
|
|
{ "child", parse_node, clear_node, &child }
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (child == NULL)
|
|
child = create_default_render_node ();
|
|
|
|
graphene_vec4_init (&offset,
|
|
offset_rect.origin.x, offset_rect.origin.y,
|
|
offset_rect.size.width, offset_rect.size.height);
|
|
|
|
gsk_transform_to_matrix (transform, &matrix);
|
|
|
|
result = gsk_color_matrix_node_new (child, &matrix, &offset);
|
|
|
|
gsk_transform_unref (transform);
|
|
gsk_render_node_unref (child);
|
|
|
|
return result;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_cross_fade_node (GtkCssParser *parser)
|
|
{
|
|
GskRenderNode *start = NULL;
|
|
GskRenderNode *end = NULL;
|
|
double progress = 0.5;
|
|
const Declaration declarations[] = {
|
|
{ "progress", parse_double, NULL, &progress },
|
|
{ "start", parse_node, clear_node, &start },
|
|
{ "end", parse_node, clear_node, &end },
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (start == NULL)
|
|
start = gsk_color_node_new (&GDK_RGBA("AAFF00"), &GRAPHENE_RECT_INIT (0, 0, 50, 50));
|
|
if (end == NULL)
|
|
end = create_default_render_node ();
|
|
|
|
result = gsk_cross_fade_node_new (start, end, progress);
|
|
|
|
gsk_render_node_unref (start);
|
|
gsk_render_node_unref (end);
|
|
|
|
return result;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_blend_node (GtkCssParser *parser)
|
|
{
|
|
GskRenderNode *bottom = NULL;
|
|
GskRenderNode *top = NULL;
|
|
GskBlendMode mode = GSK_BLEND_MODE_DEFAULT;
|
|
const Declaration declarations[] = {
|
|
{ "mode", parse_blend_mode, NULL, &mode },
|
|
{ "bottom", parse_node, clear_node, &bottom },
|
|
{ "top", parse_node, clear_node, &top },
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (bottom == NULL)
|
|
bottom = gsk_color_node_new (&GDK_RGBA("AAFF00"), &GRAPHENE_RECT_INIT (0, 0, 50, 50));
|
|
if (top == NULL)
|
|
top = create_default_render_node ();
|
|
|
|
result = gsk_blend_node_new (bottom, top, mode);
|
|
|
|
gsk_render_node_unref (bottom);
|
|
gsk_render_node_unref (top);
|
|
|
|
return result;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_repeat_node (GtkCssParser *parser)
|
|
{
|
|
GskRenderNode *child = NULL;
|
|
graphene_rect_t bounds = GRAPHENE_RECT_INIT (0, 0, 0, 0);
|
|
graphene_rect_t child_bounds = GRAPHENE_RECT_INIT (0, 0, 0, 0);
|
|
const Declaration declarations[] = {
|
|
{ "child", parse_node, clear_node, &child },
|
|
{ "bounds", parse_rect, NULL, &bounds },
|
|
{ "child-bounds", parse_rect, NULL, &child_bounds },
|
|
};
|
|
GskRenderNode *result;
|
|
guint parse_result;
|
|
|
|
parse_result = parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (child == NULL)
|
|
child = create_default_render_node ();
|
|
|
|
if (!(parse_result & (1 << 1)))
|
|
gsk_render_node_get_bounds (child, &bounds);
|
|
if (!(parse_result & (1 << 2)))
|
|
gsk_render_node_get_bounds (child, &child_bounds);
|
|
|
|
result = gsk_repeat_node_new (&bounds, child, &child_bounds);
|
|
|
|
gsk_render_node_unref (child);
|
|
|
|
return result;
|
|
}
|
|
|
|
static gboolean
|
|
unpack_glyphs (PangoFont *font,
|
|
PangoGlyphString *glyphs)
|
|
{
|
|
PangoGlyphString *ascii = NULL;
|
|
guint i;
|
|
|
|
for (i = 0; i < glyphs->num_glyphs; i++)
|
|
{
|
|
PangoGlyph glyph = glyphs->glyphs[i].glyph;
|
|
|
|
if (glyph < PANGO_GLYPH_INVALID_INPUT - MAX_ASCII_GLYPH ||
|
|
glyph >= PANGO_GLYPH_INVALID_INPUT)
|
|
continue;
|
|
|
|
glyph = glyph - (PANGO_GLYPH_INVALID_INPUT - MAX_ASCII_GLYPH) - MIN_ASCII_GLYPH;
|
|
|
|
if (ascii == NULL)
|
|
{
|
|
ascii = create_ascii_glyphs (font);
|
|
if (ascii == NULL)
|
|
return FALSE;
|
|
}
|
|
|
|
glyphs->glyphs[i].glyph = ascii->glyphs[glyph].glyph;
|
|
glyphs->glyphs[i].geometry.width = ascii->glyphs[glyph].geometry.width;
|
|
}
|
|
|
|
g_clear_pointer (&ascii, pango_glyph_string_free);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_text_node (GtkCssParser *parser)
|
|
{
|
|
PangoFont *font = NULL;
|
|
graphene_point_t offset = GRAPHENE_POINT_INIT (0, 0);
|
|
GdkRGBA color = GDK_RGBA("000000");
|
|
PangoGlyphString *glyphs = NULL;
|
|
const Declaration declarations[] = {
|
|
{ "font", parse_font, clear_font, &font },
|
|
{ "offset", parse_point, NULL, &offset },
|
|
{ "color", parse_color, NULL, &color },
|
|
{ "glyphs", parse_glyphs, clear_glyphs, &glyphs }
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
|
|
if (font == NULL)
|
|
{
|
|
font = font_from_string ("Cantarell 11");
|
|
g_assert (font);
|
|
}
|
|
|
|
if (!glyphs)
|
|
{
|
|
const char *text = "Hello";
|
|
PangoGlyphInfo gi = { 0, { 0, 0, 0}, { 1 } };
|
|
guint i;
|
|
|
|
glyphs = pango_glyph_string_new ();
|
|
pango_glyph_string_set_size (glyphs, strlen (text));
|
|
for (i = 0; i < strlen (text); i++)
|
|
{
|
|
gi.glyph = PANGO_GLYPH_INVALID_INPUT - MAX_ASCII_GLYPH + text[i];
|
|
glyphs->glyphs[i] = gi;
|
|
}
|
|
}
|
|
|
|
if (!unpack_glyphs (font, glyphs))
|
|
{
|
|
gtk_css_parser_error_value (parser, "Given font cannot decode the glyph text");
|
|
result = NULL;
|
|
}
|
|
else
|
|
{
|
|
result = gsk_text_node_new (font, glyphs, &color, &offset);
|
|
if (result == NULL)
|
|
{
|
|
gtk_css_parser_error_value (parser, "Glyphs result in empty text");
|
|
}
|
|
}
|
|
|
|
g_object_unref (font);
|
|
pango_glyph_string_free (glyphs);
|
|
|
|
/* return anything, whatever, just not NULL */
|
|
if (result == NULL)
|
|
result = create_default_render_node ();
|
|
|
|
return result;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_blur_node (GtkCssParser *parser)
|
|
{
|
|
GskRenderNode *child = NULL;
|
|
double blur_radius = 1.0;
|
|
const Declaration declarations[] = {
|
|
{ "blur", parse_double, NULL, &blur_radius },
|
|
{ "child", parse_node, clear_node, &child },
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (child == NULL)
|
|
child = create_default_render_node ();
|
|
|
|
result = gsk_blur_node_new (child, blur_radius);
|
|
|
|
gsk_render_node_unref (child);
|
|
|
|
return result;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_clip_node (GtkCssParser *parser)
|
|
{
|
|
GskRoundedRect clip = GSK_ROUNDED_RECT_INIT (0, 0, 50, 50);
|
|
GskRenderNode *child = NULL;
|
|
const Declaration declarations[] = {
|
|
{ "clip", parse_rounded_rect, NULL, &clip },
|
|
{ "child", parse_node, clear_node, &child },
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (child == NULL)
|
|
child = create_default_render_node ();
|
|
|
|
if (gsk_rounded_rect_is_rectilinear (&clip))
|
|
result = gsk_clip_node_new (child, &clip.bounds);
|
|
else
|
|
result = gsk_rounded_clip_node_new (child, &clip);
|
|
|
|
gsk_render_node_unref (child);
|
|
|
|
return result;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_rounded_clip_node (GtkCssParser *parser)
|
|
{
|
|
GskRoundedRect clip = GSK_ROUNDED_RECT_INIT (0, 0, 50, 50);
|
|
GskRenderNode *child = NULL;
|
|
const Declaration declarations[] = {
|
|
{ "clip", parse_rounded_rect, NULL, &clip },
|
|
{ "child", parse_node, clear_node, &child },
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (child == NULL)
|
|
child = create_default_render_node ();
|
|
|
|
result = gsk_rounded_clip_node_new (child, &clip);
|
|
|
|
gsk_render_node_unref (child);
|
|
|
|
return result;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_shadow_node (GtkCssParser *parser)
|
|
{
|
|
GskRenderNode *child = NULL;
|
|
GArray *shadows = g_array_new (FALSE, TRUE, sizeof (GskShadow));
|
|
const Declaration declarations[] = {
|
|
{ "child", parse_node, clear_node, &child },
|
|
{ "shadows", parse_shadows, clear_shadows, shadows }
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (child == NULL)
|
|
child = create_default_render_node ();
|
|
|
|
if (shadows->len == 0)
|
|
{
|
|
GskShadow default_shadow = { GDK_RGBA("000000"), 1, 1, 0 };
|
|
g_array_append_val (shadows, default_shadow);
|
|
}
|
|
|
|
result = gsk_shadow_node_new (child, (GskShadow *)shadows->data, shadows->len);
|
|
|
|
g_array_free (shadows, TRUE);
|
|
gsk_render_node_unref (child);
|
|
|
|
return result;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
parse_debug_node (GtkCssParser *parser)
|
|
{
|
|
char *message = NULL;
|
|
GskRenderNode *child = NULL;
|
|
const Declaration declarations[] = {
|
|
{ "message", parse_string, clear_string, &message},
|
|
{ "child", parse_node, clear_node, &child },
|
|
};
|
|
GskRenderNode *result;
|
|
|
|
parse_declarations (parser, declarations, G_N_ELEMENTS(declarations));
|
|
if (child == NULL)
|
|
child = create_default_render_node ();
|
|
|
|
result = gsk_debug_node_new (child, message);
|
|
|
|
gsk_render_node_unref (child);
|
|
|
|
return result;
|
|
}
|
|
|
|
static gboolean
|
|
parse_node (GtkCssParser *parser,
|
|
gpointer out_node)
|
|
{
|
|
static struct {
|
|
const char *name;
|
|
GskRenderNode * (* func) (GtkCssParser *);
|
|
} node_parsers[] = {
|
|
{ "blend", parse_blend_node },
|
|
{ "blur", parse_blur_node },
|
|
{ "border", parse_border_node },
|
|
{ "cairo", parse_cairo_node },
|
|
{ "clip", parse_clip_node },
|
|
{ "color", parse_color_node },
|
|
{ "color-matrix", parse_color_matrix_node },
|
|
{ "container", parse_container_node },
|
|
{ "cross-fade", parse_cross_fade_node },
|
|
{ "debug", parse_debug_node },
|
|
{ "inset-shadow", parse_inset_shadow_node },
|
|
{ "linear-gradient", parse_linear_gradient_node },
|
|
{ "radial-gradient", parse_radial_gradient_node },
|
|
{ "conic-gradient", parse_conic_gradient_node },
|
|
{ "opacity", parse_opacity_node },
|
|
{ "outset-shadow", parse_outset_shadow_node },
|
|
{ "repeat", parse_repeat_node },
|
|
{ "repeating-linear-gradient", parse_repeating_linear_gradient_node },
|
|
{ "repeating-radial-gradient", parse_repeating_radial_gradient_node },
|
|
{ "rounded-clip", parse_rounded_clip_node },
|
|
{ "shadow", parse_shadow_node },
|
|
{ "text", parse_text_node },
|
|
{ "texture", parse_texture_node },
|
|
{ "transform", parse_transform_node },
|
|
{ "glshader", parse_glshader_node },
|
|
};
|
|
GskRenderNode **node_p = out_node;
|
|
guint i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (node_parsers); i++)
|
|
{
|
|
if (gtk_css_parser_try_ident (parser, node_parsers[i].name))
|
|
{
|
|
GskRenderNode *node;
|
|
|
|
if (!gtk_css_parser_has_token (parser, GTK_CSS_TOKEN_EOF))
|
|
{
|
|
gtk_css_parser_error_syntax (parser, "Expected '{' after node name");
|
|
return FALSE;
|
|
}
|
|
gtk_css_parser_end_block_prelude (parser);
|
|
node = node_parsers[i].func (parser);
|
|
if (node)
|
|
{
|
|
if (!gtk_css_parser_has_token (parser, GTK_CSS_TOKEN_EOF))
|
|
gtk_css_parser_error_syntax (parser, "Expected '}' at end of node definition");
|
|
g_clear_pointer (node_p, gsk_render_node_unref);
|
|
*node_p = node;
|
|
}
|
|
|
|
return node != NULL;
|
|
}
|
|
}
|
|
|
|
if (gtk_css_parser_has_token (parser, GTK_CSS_TOKEN_IDENT))
|
|
gtk_css_parser_error_value (parser, "\"%s\" is not a valid node name",
|
|
gtk_css_parser_get_token (parser)->string.string);
|
|
else
|
|
gtk_css_parser_error_syntax (parser, "Expected a node name");
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gsk_render_node_parser_error (GtkCssParser *parser,
|
|
const GtkCssLocation *start,
|
|
const GtkCssLocation *end,
|
|
const GError *error,
|
|
gpointer user_data)
|
|
{
|
|
struct {
|
|
GskParseErrorFunc error_func;
|
|
gpointer user_data;
|
|
} *error_func_pair = user_data;
|
|
|
|
if (error_func_pair->error_func)
|
|
error_func_pair->error_func ((const GskParseLocation *)start,
|
|
(const GskParseLocation *)end,
|
|
error,
|
|
error_func_pair->user_data);
|
|
}
|
|
|
|
GskRenderNode *
|
|
gsk_render_node_deserialize_from_bytes (GBytes *bytes,
|
|
GskParseErrorFunc error_func,
|
|
gpointer user_data)
|
|
{
|
|
GskRenderNode *root = NULL;
|
|
GtkCssParser *parser;
|
|
struct {
|
|
GskParseErrorFunc error_func;
|
|
gpointer user_data;
|
|
} error_func_pair = { error_func, user_data };
|
|
|
|
parser = gtk_css_parser_new_for_bytes (bytes, NULL, gsk_render_node_parser_error,
|
|
&error_func_pair, NULL);
|
|
root = parse_container_node (parser);
|
|
|
|
if (root && gsk_container_node_get_n_children (root) == 1)
|
|
{
|
|
GskRenderNode *child = gsk_container_node_get_child (root, 0);
|
|
|
|
gsk_render_node_ref (child);
|
|
gsk_render_node_unref (root);
|
|
root = child;
|
|
}
|
|
|
|
gtk_css_parser_unref (parser);
|
|
|
|
return root;
|
|
}
|
|
|
|
|
|
typedef struct
|
|
{
|
|
int indentation_level;
|
|
GString *str;
|
|
} Printer;
|
|
|
|
static void
|
|
printer_init (Printer *self)
|
|
{
|
|
self->indentation_level = 0;
|
|
self->str = g_string_new (NULL);
|
|
}
|
|
|
|
#define IDENT_LEVEL 2 /* Spaces per level */
|
|
static void
|
|
_indent (Printer *self)
|
|
{
|
|
if (self->indentation_level > 0)
|
|
g_string_append_printf (self->str, "%*s", self->indentation_level * IDENT_LEVEL, " ");
|
|
}
|
|
#undef IDENT_LEVEL
|
|
|
|
static void
|
|
start_node (Printer *self,
|
|
const char *node_name)
|
|
{
|
|
g_string_append_printf (self->str, "%s {\n", node_name);
|
|
self->indentation_level ++;
|
|
}
|
|
|
|
static void
|
|
end_node (Printer *self)
|
|
{
|
|
self->indentation_level --;
|
|
_indent (self);
|
|
g_string_append (self->str, "}\n");
|
|
}
|
|
|
|
static void
|
|
string_append_double (GString *string,
|
|
double d)
|
|
{
|
|
char buf[G_ASCII_DTOSTR_BUF_SIZE];
|
|
|
|
g_ascii_formatd (buf, G_ASCII_DTOSTR_BUF_SIZE, "%g", d);
|
|
g_string_append (string, buf);
|
|
}
|
|
|
|
|
|
static void
|
|
append_rect (GString *str,
|
|
const graphene_rect_t *r)
|
|
{
|
|
string_append_double (str, r->origin.x);
|
|
g_string_append_c (str, ' ');
|
|
string_append_double (str, r->origin.y);
|
|
g_string_append_c (str, ' ');
|
|
string_append_double (str, r->size.width);
|
|
g_string_append_c (str, ' ');
|
|
string_append_double (str, r->size.height);
|
|
}
|
|
|
|
static void
|
|
append_rounded_rect (GString *str,
|
|
const GskRoundedRect *r)
|
|
{
|
|
append_rect (str, &r->bounds);
|
|
|
|
if (!gsk_rounded_rect_is_rectilinear (r))
|
|
{
|
|
gboolean all_the_same = TRUE;
|
|
gboolean all_square = TRUE;
|
|
float w = r->corner[0].width;
|
|
float h = r->corner[0].height;
|
|
int i;
|
|
|
|
for (i = 1; i < 4; i ++)
|
|
{
|
|
if (r->corner[i].width != w ||
|
|
r->corner[i].height != h)
|
|
all_the_same = FALSE;
|
|
|
|
if (r->corner[i].width != r->corner[i].height)
|
|
all_square = FALSE;
|
|
|
|
}
|
|
|
|
g_string_append (str, " / ");
|
|
|
|
if (all_the_same)
|
|
{
|
|
string_append_double (str, w);
|
|
}
|
|
else if (all_square)
|
|
{
|
|
string_append_double (str, r->corner[0].width);
|
|
g_string_append_c (str, ' ');
|
|
string_append_double (str, r->corner[1].width);
|
|
g_string_append_c (str, ' ');
|
|
string_append_double (str, r->corner[2].width);
|
|
g_string_append_c (str, ' ');
|
|
string_append_double (str, r->corner[3].width);
|
|
}
|
|
else
|
|
{
|
|
for (i = 0; i < 4; i ++)
|
|
{
|
|
string_append_double (str, r->corner[i].width);
|
|
g_string_append_c (str, ' ');
|
|
}
|
|
|
|
g_string_append (str, "/ ");
|
|
|
|
for (i = 0; i < 3; i ++)
|
|
{
|
|
string_append_double (str, r->corner[i].height);
|
|
g_string_append_c (str, ' ');
|
|
}
|
|
|
|
string_append_double (str, r->corner[3].height);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
append_rgba (GString *str,
|
|
const GdkRGBA *rgba)
|
|
{
|
|
char *rgba_str = gdk_rgba_to_string (rgba);
|
|
|
|
g_string_append (str, rgba_str);
|
|
|
|
g_free (rgba_str);
|
|
}
|
|
|
|
static void
|
|
append_point (GString *str,
|
|
const graphene_point_t *p)
|
|
{
|
|
string_append_double (str, p->x);
|
|
g_string_append_c (str, ' ');
|
|
string_append_double (str, p->y);
|
|
}
|
|
|
|
static void
|
|
append_vec4 (GString *str,
|
|
const graphene_vec4_t *v)
|
|
{
|
|
string_append_double (str, graphene_vec4_get_x (v));
|
|
g_string_append_c (str, ' ');
|
|
string_append_double (str, graphene_vec4_get_y (v));
|
|
g_string_append_c (str, ' ');
|
|
string_append_double (str, graphene_vec4_get_z (v));
|
|
g_string_append_c (str, ' ');
|
|
string_append_double (str, graphene_vec4_get_w (v));
|
|
}
|
|
|
|
static void
|
|
append_float_param (Printer *p,
|
|
const char *param_name,
|
|
float value,
|
|
float default_value)
|
|
{
|
|
/* Don't approximate-compare here, better be topo verbose */
|
|
if (value == default_value)
|
|
return;
|
|
|
|
_indent (p);
|
|
g_string_append_printf (p->str, "%s: ", param_name);
|
|
string_append_double (p->str, value);
|
|
g_string_append (p->str, ";\n");
|
|
}
|
|
|
|
static void
|
|
append_rgba_param (Printer *p,
|
|
const char *param_name,
|
|
const GdkRGBA *value)
|
|
{
|
|
_indent (p);
|
|
g_string_append_printf (p->str, "%s: ", param_name);
|
|
append_rgba (p->str, value);
|
|
g_string_append_c (p->str, ';');
|
|
g_string_append_c (p->str, '\n');
|
|
}
|
|
|
|
static void
|
|
append_rect_param (Printer *p,
|
|
const char *param_name,
|
|
const graphene_rect_t *value)
|
|
{
|
|
_indent (p);
|
|
g_string_append_printf (p->str, "%s: ", param_name);
|
|
append_rect (p->str, value);
|
|
g_string_append_c (p->str, ';');
|
|
g_string_append_c (p->str, '\n');
|
|
}
|
|
|
|
static void
|
|
append_rounded_rect_param (Printer *p,
|
|
const char *param_name,
|
|
const GskRoundedRect *value)
|
|
{
|
|
_indent (p);
|
|
g_string_append_printf (p->str, "%s: ", param_name);
|
|
append_rounded_rect (p->str, value);
|
|
g_string_append_c (p->str, ';');
|
|
g_string_append_c (p->str, '\n');
|
|
}
|
|
|
|
static void
|
|
append_point_param (Printer *p,
|
|
const char *param_name,
|
|
const graphene_point_t *value)
|
|
{
|
|
_indent (p);
|
|
g_string_append_printf (p->str, "%s: ", param_name);
|
|
append_point (p->str, value);
|
|
g_string_append_c (p->str, ';');
|
|
g_string_append_c (p->str, '\n');
|
|
}
|
|
|
|
static void
|
|
append_string_param (Printer *p,
|
|
const char *param_name,
|
|
const char *value)
|
|
{
|
|
_indent (p);
|
|
g_string_append_printf (p->str, "%s: ", param_name);
|
|
gtk_css_print_string (p->str, value, TRUE);
|
|
g_string_append_c (p->str, ';');
|
|
g_string_append_c (p->str, '\n');
|
|
}
|
|
|
|
static void
|
|
append_vec4_param (Printer *p,
|
|
const char *param_name,
|
|
const graphene_vec4_t *value)
|
|
{
|
|
_indent (p);
|
|
g_string_append_printf (p->str, "%s: ", param_name);
|
|
append_vec4 (p->str, value);
|
|
g_string_append_c (p->str, ';');
|
|
g_string_append_c (p->str, '\n');
|
|
}
|
|
|
|
static void
|
|
append_matrix_param (Printer *p,
|
|
const char *param_name,
|
|
const graphene_matrix_t *value)
|
|
{
|
|
GskTransform *transform = NULL;
|
|
|
|
_indent (p);
|
|
g_string_append_printf (p->str, "%s: ", param_name);
|
|
|
|
transform = gsk_transform_matrix (transform, value);
|
|
gsk_transform_print (transform,p->str);
|
|
g_string_append_c (p->str, ';');
|
|
g_string_append_c (p->str, '\n');
|
|
|
|
gsk_transform_unref (transform);
|
|
}
|
|
|
|
static void
|
|
append_transform_param (Printer *p,
|
|
const char *param_name,
|
|
GskTransform *transform)
|
|
{
|
|
_indent (p);
|
|
g_string_append_printf (p->str, "%s: ", param_name);
|
|
gsk_transform_print (transform, p->str);
|
|
g_string_append_c (p->str, ';');
|
|
g_string_append_c (p->str, '\n');
|
|
}
|
|
|
|
static void render_node_print (Printer *p,
|
|
GskRenderNode *node);
|
|
|
|
static void
|
|
append_node_param (Printer *p,
|
|
const char *param_name,
|
|
GskRenderNode *node)
|
|
{
|
|
_indent (p);
|
|
g_string_append_printf (p->str, "%s: ", param_name);
|
|
render_node_print (p, node);
|
|
}
|
|
|
|
static void
|
|
append_stops_param (Printer *p,
|
|
const char *param_name,
|
|
const GskColorStop *stops,
|
|
gsize n_stops)
|
|
{
|
|
gsize i;
|
|
|
|
_indent (p);
|
|
g_string_append (p->str, param_name);
|
|
g_string_append (p->str, ": ");
|
|
|
|
for (i = 0; i < n_stops; i ++)
|
|
{
|
|
if (i > 0)
|
|
g_string_append (p->str, ", ");
|
|
|
|
string_append_double (p->str, stops[i].offset);
|
|
g_string_append_c (p->str, ' ');
|
|
append_rgba (p->str, &stops[i].color);
|
|
}
|
|
g_string_append (p->str, ";\n");
|
|
}
|
|
|
|
static cairo_status_t
|
|
cairo_write_array (void *closure,
|
|
const unsigned char *data,
|
|
unsigned int length)
|
|
{
|
|
g_byte_array_append (closure, data, length);
|
|
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
static void
|
|
cairo_destroy_array (gpointer array)
|
|
{
|
|
g_byte_array_free (array, TRUE);
|
|
}
|
|
|
|
static void
|
|
append_escaping_newlines (GString *str,
|
|
const char *string)
|
|
{
|
|
gsize len;
|
|
|
|
do {
|
|
len = strcspn (string, "\n");
|
|
g_string_append_len (str, string, len);
|
|
string += len;
|
|
g_string_append (str, "\\\n");
|
|
string++;
|
|
} while (*string);
|
|
}
|
|
|
|
/* like g_base64 encode, but breaks lines
|
|
* in CSS-compatible way
|
|
*/
|
|
static char *
|
|
base64_encode_with_linebreaks (const guchar *data,
|
|
gsize len)
|
|
{
|
|
gsize max;
|
|
char *out;
|
|
int state = 0, outlen;
|
|
int save = 0;
|
|
|
|
g_return_val_if_fail (data != NULL || len == 0, NULL);
|
|
|
|
/* We can use a smaller limit here, since we know the saved state is 0,
|
|
+1 is needed for trailing \0, also check for unlikely integer overflow */
|
|
g_return_val_if_fail (len < ((G_MAXSIZE - 1) / 4 - 1) * 3, NULL);
|
|
|
|
max = (len / 3 + 1) * 4 + 1;
|
|
max += 2 * (max / 76);
|
|
|
|
out = g_malloc (max);
|
|
|
|
outlen = g_base64_encode_step (data, len, TRUE, out, &state, &save);
|
|
outlen += g_base64_encode_close (TRUE, out + outlen, &state, &save);
|
|
out[outlen] = '\0';
|
|
|
|
return out;
|
|
}
|
|
|
|
void
|
|
gsk_text_node_serialize_glyphs (GskRenderNode *node,
|
|
GString *p)
|
|
{
|
|
const guint n_glyphs = gsk_text_node_get_num_glyphs (node);
|
|
const PangoGlyphInfo *glyphs = gsk_text_node_get_glyphs (node, NULL);
|
|
PangoFont *font = gsk_text_node_get_font (node);
|
|
GString *str;
|
|
guint i, j;
|
|
PangoGlyphString *ascii;
|
|
|
|
ascii = create_ascii_glyphs (font);
|
|
str = g_string_new ("");
|
|
|
|
for (i = 0; i < n_glyphs; i++)
|
|
{
|
|
if (ascii)
|
|
{
|
|
for (j = 0; j < ascii->num_glyphs; j++)
|
|
{
|
|
if (glyphs[i].glyph == ascii->glyphs[j].glyph &&
|
|
glyphs[i].geometry.width == ascii->glyphs[j].geometry.width &&
|
|
glyphs[i].geometry.x_offset == 0 &&
|
|
glyphs[i].geometry.y_offset == 0 &&
|
|
glyphs[i].attr.is_cluster_start &&
|
|
!glyphs[i].attr.is_color)
|
|
{
|
|
switch (j + MIN_ASCII_GLYPH)
|
|
{
|
|
case '\\':
|
|
g_string_append (str, "\\\\");
|
|
break;
|
|
case '"':
|
|
g_string_append (str, "\\\"");
|
|
break;
|
|
default:
|
|
g_string_append_c (str, j + MIN_ASCII_GLYPH);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (j != ascii->num_glyphs)
|
|
continue;
|
|
}
|
|
|
|
if (str->len)
|
|
{
|
|
g_string_append_printf (p, "\"%s\", ", str->str);
|
|
g_string_set_size (str, 0);
|
|
}
|
|
|
|
g_string_append_printf (p, "%u ", glyphs[i].glyph);
|
|
string_append_double (p, (double) glyphs[i].geometry.width / PANGO_SCALE);
|
|
if (!glyphs[i].attr.is_cluster_start ||
|
|
glyphs[i].attr.is_color ||
|
|
glyphs[i].geometry.x_offset != 0 ||
|
|
glyphs[i].geometry.y_offset != 0)
|
|
{
|
|
g_string_append (p, " ");
|
|
string_append_double (p, (double) glyphs[i].geometry.x_offset / PANGO_SCALE);
|
|
g_string_append (p, " ");
|
|
string_append_double (p, (double) glyphs[i].geometry.y_offset / PANGO_SCALE);
|
|
if (!glyphs[i].attr.is_cluster_start)
|
|
g_string_append (p, " same-cluster");
|
|
if (!glyphs[i].attr.is_color)
|
|
g_string_append (p, " color");
|
|
}
|
|
|
|
if (i + 1 < n_glyphs)
|
|
g_string_append (p, ", ");
|
|
}
|
|
|
|
if (str->len)
|
|
g_string_append_printf (p, "\"%s\"", str->str);
|
|
|
|
g_string_free (str, TRUE);
|
|
if (ascii)
|
|
pango_glyph_string_free (ascii);
|
|
}
|
|
|
|
static void
|
|
render_node_print (Printer *p,
|
|
GskRenderNode *node)
|
|
{
|
|
char *b64;
|
|
|
|
switch (gsk_render_node_get_node_type (node))
|
|
{
|
|
case GSK_CONTAINER_NODE:
|
|
{
|
|
guint i;
|
|
|
|
start_node (p, "container");
|
|
for (i = 0; i < gsk_container_node_get_n_children (node); i ++)
|
|
{
|
|
GskRenderNode *child = gsk_container_node_get_child (node, i);
|
|
|
|
/* Only in container nodes do we want nodes to be indented. */
|
|
_indent (p);
|
|
render_node_print (p, child);
|
|
}
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_COLOR_NODE:
|
|
{
|
|
start_node (p, "color");
|
|
append_rect_param (p, "bounds", &node->bounds);
|
|
append_rgba_param (p, "color", gsk_color_node_get_color (node));
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_CROSS_FADE_NODE:
|
|
{
|
|
start_node (p, "cross-fade");
|
|
|
|
append_float_param (p, "progress", gsk_cross_fade_node_get_progress (node), 0.5f);
|
|
append_node_param (p, "start", gsk_cross_fade_node_get_start_child (node));
|
|
append_node_param (p, "end", gsk_cross_fade_node_get_end_child (node));
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_REPEATING_LINEAR_GRADIENT_NODE:
|
|
case GSK_LINEAR_GRADIENT_NODE:
|
|
{
|
|
if (gsk_render_node_get_node_type (node) == GSK_REPEATING_LINEAR_GRADIENT_NODE)
|
|
start_node (p, "repeating-linear-gradient");
|
|
else
|
|
start_node (p, "linear-gradient");
|
|
|
|
append_rect_param (p, "bounds", &node->bounds);
|
|
append_point_param (p, "start", gsk_linear_gradient_node_get_start (node));
|
|
append_point_param (p, "end", gsk_linear_gradient_node_get_end (node));
|
|
append_stops_param (p, "stops", gsk_linear_gradient_node_get_color_stops (node, NULL),
|
|
gsk_linear_gradient_node_get_n_color_stops (node));
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_REPEATING_RADIAL_GRADIENT_NODE:
|
|
case GSK_RADIAL_GRADIENT_NODE:
|
|
{
|
|
if (gsk_render_node_get_node_type (node) == GSK_REPEATING_RADIAL_GRADIENT_NODE)
|
|
start_node (p, "repeating-radial-gradient");
|
|
else
|
|
start_node (p, "radial-gradient");
|
|
|
|
append_rect_param (p, "bounds", &node->bounds);
|
|
append_point_param (p, "center", gsk_radial_gradient_node_get_center (node));
|
|
append_float_param (p, "hradius", gsk_radial_gradient_node_get_hradius (node), 0.0f);
|
|
append_float_param (p, "vradius", gsk_radial_gradient_node_get_vradius (node), 0.0f);
|
|
append_float_param (p, "start", gsk_radial_gradient_node_get_start (node), 0.0f);
|
|
append_float_param (p, "end", gsk_radial_gradient_node_get_end (node), 1.0f);
|
|
|
|
append_stops_param (p, "stops", gsk_radial_gradient_node_get_color_stops (node, NULL),
|
|
gsk_radial_gradient_node_get_n_color_stops (node));
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_CONIC_GRADIENT_NODE:
|
|
{
|
|
start_node (p, "conic-gradient");
|
|
|
|
append_rect_param (p, "bounds", &node->bounds);
|
|
append_point_param (p, "center", gsk_conic_gradient_node_get_center (node));
|
|
append_float_param (p, "rotation", gsk_conic_gradient_node_get_rotation (node), 0.0f);
|
|
|
|
append_stops_param (p, "stops", gsk_conic_gradient_node_get_color_stops (node, NULL),
|
|
gsk_conic_gradient_node_get_n_color_stops (node));
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_OPACITY_NODE:
|
|
{
|
|
start_node (p, "opacity");
|
|
|
|
append_float_param (p, "opacity", gsk_opacity_node_get_opacity (node), 0.5f);
|
|
append_node_param (p, "child", gsk_opacity_node_get_child (node));
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_OUTSET_SHADOW_NODE:
|
|
{
|
|
const GdkRGBA *color = gsk_outset_shadow_node_get_color (node);
|
|
|
|
start_node (p, "outset-shadow");
|
|
|
|
append_float_param (p, "blur", gsk_outset_shadow_node_get_blur_radius (node), 0.0f);
|
|
if (!gdk_rgba_equal (color, &GDK_RGBA("000")))
|
|
append_rgba_param (p, "color", color);
|
|
append_float_param (p, "dx", gsk_outset_shadow_node_get_dx (node), 1.0f);
|
|
append_float_param (p, "dy", gsk_outset_shadow_node_get_dy (node), 1.0f);
|
|
append_rounded_rect_param (p, "outline", gsk_outset_shadow_node_get_outline (node));
|
|
append_float_param (p, "spread", gsk_outset_shadow_node_get_spread (node), 0.0f);
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_CLIP_NODE:
|
|
{
|
|
start_node (p, "clip");
|
|
|
|
append_rect_param (p, "clip", gsk_clip_node_get_clip (node));
|
|
append_node_param (p, "child", gsk_clip_node_get_child (node));
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_ROUNDED_CLIP_NODE:
|
|
{
|
|
start_node (p, "rounded-clip");
|
|
|
|
append_rounded_rect_param (p, "clip", gsk_rounded_clip_node_get_clip (node));
|
|
append_node_param (p, "child", gsk_rounded_clip_node_get_child (node));
|
|
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_TRANSFORM_NODE:
|
|
{
|
|
GskTransform *transform = gsk_transform_node_get_transform (node);
|
|
start_node (p, "transform");
|
|
|
|
if (gsk_transform_get_category (transform) != GSK_TRANSFORM_CATEGORY_IDENTITY)
|
|
append_transform_param (p, "transform", transform);
|
|
append_node_param (p, "child", gsk_transform_node_get_child (node));
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_COLOR_MATRIX_NODE:
|
|
{
|
|
start_node (p, "color-matrix");
|
|
|
|
if (!graphene_matrix_is_identity (gsk_color_matrix_node_get_color_matrix (node)))
|
|
append_matrix_param (p, "matrix", gsk_color_matrix_node_get_color_matrix (node));
|
|
if (!graphene_vec4_equal (gsk_color_matrix_node_get_color_offset (node), graphene_vec4_zero ()))
|
|
append_vec4_param (p, "offset", gsk_color_matrix_node_get_color_offset (node));
|
|
append_node_param (p, "child", gsk_color_matrix_node_get_child (node));
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_BORDER_NODE:
|
|
{
|
|
const GdkRGBA *colors = gsk_border_node_get_colors (node);
|
|
const float *widths = gsk_border_node_get_widths (node);
|
|
guint i, n;
|
|
start_node (p, "border");
|
|
|
|
if (!gdk_rgba_equal (&colors[3], &colors[1]))
|
|
n = 4;
|
|
else if (!gdk_rgba_equal (&colors[2], &colors[0]))
|
|
n = 3;
|
|
else if (!gdk_rgba_equal (&colors[1], &colors[0]))
|
|
n = 2;
|
|
else if (!gdk_rgba_equal (&colors[0], &GDK_RGBA("000000")))
|
|
n = 1;
|
|
else
|
|
n = 0;
|
|
|
|
if (n > 0)
|
|
{
|
|
_indent (p);
|
|
g_string_append (p->str, "colors: ");
|
|
for (i = 0; i < n; i++)
|
|
{
|
|
if (i > 0)
|
|
g_string_append_c (p->str, ' ');
|
|
append_rgba (p->str, &colors[i]);
|
|
}
|
|
g_string_append (p->str, ";\n");
|
|
}
|
|
|
|
append_rounded_rect_param (p, "outline", gsk_border_node_get_outline (node));
|
|
|
|
if (widths[3] != widths[1])
|
|
n = 4;
|
|
else if (widths[2] != widths[0])
|
|
n = 3;
|
|
else if (widths[1] != widths[0])
|
|
n = 2;
|
|
else if (widths[0] != 1.0)
|
|
n = 1;
|
|
else
|
|
n = 0;
|
|
|
|
if (n > 0)
|
|
{
|
|
_indent (p);
|
|
g_string_append (p->str, "widths: ");
|
|
for (i = 0; i < n; i++)
|
|
{
|
|
if (i > 0)
|
|
g_string_append_c (p->str, ' ');
|
|
string_append_double (p->str, widths[i]);
|
|
}
|
|
g_string_append (p->str, ";\n");
|
|
}
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_SHADOW_NODE:
|
|
{
|
|
const guint n_shadows = gsk_shadow_node_get_n_shadows (node);
|
|
int i;
|
|
|
|
start_node (p, "shadow");
|
|
|
|
_indent (p);
|
|
g_string_append (p->str, "shadows: ");
|
|
for (i = 0; i < n_shadows; i ++)
|
|
{
|
|
const GskShadow *s = gsk_shadow_node_get_shadow (node, i);
|
|
char *color;
|
|
|
|
if (i > 0)
|
|
g_string_append (p->str, ", ");
|
|
|
|
color = gdk_rgba_to_string (&s->color);
|
|
g_string_append (p->str, color);
|
|
g_string_append_c (p->str, ' ');
|
|
string_append_double (p->str, s->dx);
|
|
g_string_append_c (p->str, ' ');
|
|
string_append_double (p->str, s->dy);
|
|
if (s->radius > 0)
|
|
{
|
|
g_string_append_c (p->str, ' ');
|
|
string_append_double (p->str, s->radius);
|
|
}
|
|
|
|
g_free (color);
|
|
}
|
|
|
|
g_string_append_c (p->str, ';');
|
|
g_string_append_c (p->str, '\n');
|
|
append_node_param (p, "child", gsk_shadow_node_get_child (node));
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_INSET_SHADOW_NODE:
|
|
{
|
|
const GdkRGBA *color = gsk_inset_shadow_node_get_color (node);
|
|
start_node (p, "inset-shadow");
|
|
|
|
append_float_param (p, "blur", gsk_inset_shadow_node_get_blur_radius (node), 0.0f);
|
|
if (!gdk_rgba_equal (color, &GDK_RGBA("000")))
|
|
append_rgba_param (p, "color", color);
|
|
append_float_param (p, "dx", gsk_inset_shadow_node_get_dx (node), 1.0f);
|
|
append_float_param (p, "dy", gsk_inset_shadow_node_get_dy (node), 1.0f);
|
|
append_rounded_rect_param (p, "outline", gsk_inset_shadow_node_get_outline (node));
|
|
append_float_param (p, "spread", gsk_inset_shadow_node_get_spread (node), 0.0f);
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_TEXTURE_NODE:
|
|
{
|
|
GdkTexture *texture = gsk_texture_node_get_texture (node);
|
|
GBytes *bytes;
|
|
|
|
start_node (p, "texture");
|
|
append_rect_param (p, "bounds", &node->bounds);
|
|
|
|
bytes = gdk_texture_save_to_png_bytes (texture);
|
|
|
|
_indent (p);
|
|
g_string_append (p->str, "texture: url(\"data:image/png;base64,");
|
|
b64 = base64_encode_with_linebreaks (g_bytes_get_data (bytes, NULL),
|
|
g_bytes_get_size (bytes));
|
|
append_escaping_newlines (p->str, b64);
|
|
g_free (b64);
|
|
g_string_append (p->str, "\");\n");
|
|
end_node (p);
|
|
|
|
g_bytes_unref (bytes);
|
|
}
|
|
break;
|
|
|
|
case GSK_TEXT_NODE:
|
|
{
|
|
const graphene_point_t *offset = gsk_text_node_get_offset (node);
|
|
const GdkRGBA *color = gsk_text_node_get_color (node);
|
|
PangoFont *font = gsk_text_node_get_font (node);
|
|
PangoFontDescription *desc;
|
|
char *font_name;
|
|
|
|
start_node (p, "text");
|
|
|
|
if (!gdk_rgba_equal (color, &GDK_RGBA("000000")))
|
|
append_rgba_param (p, "color", color);
|
|
|
|
_indent (p);
|
|
desc = pango_font_describe (font);
|
|
font_name = pango_font_description_to_string (desc);
|
|
g_string_append_printf (p->str, "font: \"%s\";\n", font_name);
|
|
g_free (font_name);
|
|
pango_font_description_free (desc);
|
|
|
|
_indent (p);
|
|
g_string_append (p->str, "glyphs: ");
|
|
|
|
gsk_text_node_serialize_glyphs (node, p->str);
|
|
|
|
g_string_append_c (p->str, ';');
|
|
g_string_append_c (p->str, '\n');
|
|
|
|
if (!graphene_point_equal (offset, graphene_point_zero ()))
|
|
append_point_param (p, "offset", offset);
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_DEBUG_NODE:
|
|
{
|
|
const char *message = gsk_debug_node_get_message (node);
|
|
|
|
start_node (p, "debug");
|
|
|
|
/* TODO: We potentially need to escape certain characters in the message */
|
|
if (message)
|
|
{
|
|
_indent (p);
|
|
g_string_append_printf (p->str, "message: \"%s\";\n", message);
|
|
}
|
|
append_node_param (p, "child", gsk_debug_node_get_child (node));
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_BLUR_NODE:
|
|
{
|
|
start_node (p, "blur");
|
|
|
|
append_float_param (p, "blur", gsk_blur_node_get_radius (node), 1.0f);
|
|
append_node_param (p, "child", gsk_blur_node_get_child (node));
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_SHADER_NODE:
|
|
{
|
|
GskGLShader *shader = gsk_gl_shader_node_get_shader (node);
|
|
GBytes *args = gsk_gl_shader_node_get_args (node);
|
|
|
|
start_node (p, "glshader");
|
|
|
|
append_rect_param (p, "bounds", &node->bounds);
|
|
|
|
GBytes *bytes = gsk_gl_shader_get_source (shader);
|
|
/* Ensure we are zero-terminated */
|
|
char *sourcecode = g_strndup (g_bytes_get_data (bytes, NULL), g_bytes_get_size (bytes));
|
|
append_string_param (p, "sourcecode", sourcecode);
|
|
g_free (sourcecode);
|
|
|
|
if (gsk_gl_shader_get_n_uniforms (shader) > 0)
|
|
{
|
|
GString *data = g_string_new ("");
|
|
|
|
for (guint i = 0; i < gsk_gl_shader_get_n_uniforms (shader); i++)
|
|
{
|
|
if (i > 0)
|
|
g_string_append (data, ", ");
|
|
|
|
switch (gsk_gl_shader_get_uniform_type (shader, i))
|
|
{
|
|
case GSK_GL_UNIFORM_TYPE_NONE:
|
|
default:
|
|
g_assert_not_reached ();
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_FLOAT:
|
|
{
|
|
float value = gsk_gl_shader_get_arg_float (shader, args, i);
|
|
string_append_double (data, value);
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_INT:
|
|
{
|
|
gint32 value = gsk_gl_shader_get_arg_int (shader, args, i);
|
|
g_string_append_printf (data, "%d", value);
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_UINT:
|
|
{
|
|
guint32 value = gsk_gl_shader_get_arg_uint (shader, args, i);
|
|
g_string_append_printf (data, "%u", value);
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_BOOL:
|
|
{
|
|
gboolean value = gsk_gl_shader_get_arg_bool (shader, args, i);
|
|
g_string_append_printf (data, "%d", value);
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_VEC2:
|
|
{
|
|
graphene_vec2_t value;
|
|
gsk_gl_shader_get_arg_vec2 (shader, args, i,
|
|
&value);
|
|
string_append_double (data, graphene_vec2_get_x (&value));
|
|
g_string_append (data, " ");
|
|
string_append_double (data, graphene_vec2_get_y (&value));
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_VEC3:
|
|
{
|
|
graphene_vec3_t value;
|
|
gsk_gl_shader_get_arg_vec3 (shader, args, i,
|
|
&value);
|
|
string_append_double (data, graphene_vec3_get_x (&value));
|
|
g_string_append (data, " ");
|
|
string_append_double (data, graphene_vec3_get_y (&value));
|
|
g_string_append (data, " ");
|
|
string_append_double (data, graphene_vec3_get_z (&value));
|
|
}
|
|
break;
|
|
|
|
case GSK_GL_UNIFORM_TYPE_VEC4:
|
|
{
|
|
graphene_vec4_t value;
|
|
gsk_gl_shader_get_arg_vec4 (shader, args, i,
|
|
&value);
|
|
string_append_double (data, graphene_vec4_get_x (&value));
|
|
g_string_append (data, " ");
|
|
string_append_double (data, graphene_vec4_get_y (&value));
|
|
g_string_append (data, " ");
|
|
string_append_double (data, graphene_vec4_get_z (&value));
|
|
g_string_append (data, " ");
|
|
string_append_double (data, graphene_vec4_get_w (&value));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
_indent (p);
|
|
g_string_append_printf (p->str, "args: %s;\n", data->str);
|
|
g_string_free (data, TRUE);
|
|
}
|
|
|
|
for (guint i = 0; i < gsk_gl_shader_node_get_n_children (node); i ++)
|
|
{
|
|
GskRenderNode *child = gsk_gl_shader_node_get_child (node, i);
|
|
char *name;
|
|
|
|
name = g_strdup_printf ("child%d", i + 1);
|
|
append_node_param (p, name, child);
|
|
g_free (name);
|
|
}
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_REPEAT_NODE:
|
|
{
|
|
GskRenderNode *child = gsk_repeat_node_get_child (node);
|
|
const graphene_rect_t *child_bounds = gsk_repeat_node_get_child_bounds (node);
|
|
|
|
start_node (p, "repeat");
|
|
|
|
if (!graphene_rect_equal (&node->bounds, &child->bounds))
|
|
append_rect_param (p, "bounds", &node->bounds);
|
|
if (!graphene_rect_equal (child_bounds, &child->bounds))
|
|
append_rect_param (p, "child-bounds", child_bounds);
|
|
append_node_param (p, "child", gsk_repeat_node_get_child (node));
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_BLEND_NODE:
|
|
{
|
|
GskBlendMode mode = gsk_blend_node_get_blend_mode (node);
|
|
guint i;
|
|
|
|
start_node (p, "blend");
|
|
|
|
if (mode != GSK_BLEND_MODE_DEFAULT)
|
|
{
|
|
_indent (p);
|
|
for (i = 0; i < G_N_ELEMENTS (blend_modes); i++)
|
|
{
|
|
if (blend_modes[i].mode == mode)
|
|
{
|
|
g_string_append_printf (p->str, "mode: %s;\n", blend_modes[i].name);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
append_node_param (p, "bottom", gsk_blend_node_get_bottom_child (node));
|
|
append_node_param (p, "top", gsk_blend_node_get_top_child (node));
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
case GSK_NOT_A_RENDER_NODE:
|
|
g_assert_not_reached ();
|
|
break;
|
|
|
|
case GSK_CAIRO_NODE:
|
|
{
|
|
cairo_surface_t *surface = gsk_cairo_node_get_surface (node);
|
|
GByteArray *array;
|
|
|
|
start_node (p, "cairo");
|
|
append_rect_param (p, "bounds", &node->bounds);
|
|
|
|
if (surface != NULL)
|
|
{
|
|
array = g_byte_array_new ();
|
|
cairo_surface_write_to_png_stream (surface, cairo_write_array, array);
|
|
|
|
_indent (p);
|
|
g_string_append (p->str, "pixels: url(\"data:image/png;base64,");
|
|
b64 = base64_encode_with_linebreaks (array->data, array->len);
|
|
append_escaping_newlines (p->str, b64);
|
|
g_free (b64);
|
|
g_string_append (p->str, "\");\n");
|
|
|
|
g_byte_array_free (array, TRUE);
|
|
|
|
#ifdef CAIRO_HAS_SCRIPT_SURFACE
|
|
if (cairo_surface_get_type (surface) == CAIRO_SURFACE_TYPE_RECORDING)
|
|
{
|
|
static const cairo_user_data_key_t cairo_is_stupid_key;
|
|
cairo_device_t *script;
|
|
|
|
array = g_byte_array_new ();
|
|
script = cairo_script_create_for_stream (cairo_write_array, array);
|
|
|
|
if (cairo_script_from_recording_surface (script, surface) == CAIRO_STATUS_SUCCESS)
|
|
{
|
|
_indent (p);
|
|
g_string_append (p->str, "script: url(\"data:;base64,");
|
|
b64 = base64_encode_with_linebreaks (array->data, array->len);
|
|
append_escaping_newlines (p->str, b64);
|
|
g_free (b64);
|
|
g_string_append (p->str, "\");\n");
|
|
}
|
|
|
|
/* because Cairo is stupid and writes to the device after we finished it,
|
|
* we can't just
|
|
g_byte_array_free (array, TRUE);
|
|
* but have to
|
|
*/
|
|
g_byte_array_set_size (array, 0);
|
|
cairo_device_set_user_data (script, &cairo_is_stupid_key, array, cairo_destroy_array);
|
|
cairo_device_destroy (script);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
end_node (p);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
g_error ("Unhandled node: %s", g_type_name_from_instance ((GTypeInstance *) node));
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gsk_render_node_serialize:
|
|
* @node: a `GskRenderNode`
|
|
*
|
|
* Serializes the @node for later deserialization via
|
|
* gsk_render_node_deserialize(). No guarantees are made about the format
|
|
* used other than that the same version of GTK will be able to deserialize
|
|
* the result of a call to gsk_render_node_serialize() and
|
|
* gsk_render_node_deserialize() will correctly reject files it cannot open
|
|
* that were created with previous versions of GTK.
|
|
*
|
|
* The intended use of this functions is testing, benchmarking and debugging.
|
|
* The format is not meant as a permanent storage format.
|
|
*
|
|
* Returns: a `GBytes` representing the node.
|
|
**/
|
|
GBytes *
|
|
gsk_render_node_serialize (GskRenderNode *node)
|
|
{
|
|
Printer p;
|
|
|
|
printer_init (&p);
|
|
|
|
if (gsk_render_node_get_node_type (node) == GSK_CONTAINER_NODE)
|
|
{
|
|
guint i;
|
|
|
|
for (i = 0; i < gsk_container_node_get_n_children (node); i ++)
|
|
{
|
|
GskRenderNode *child = gsk_container_node_get_child (node, i);
|
|
|
|
render_node_print (&p, child);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
render_node_print (&p, node);
|
|
}
|
|
|
|
return g_string_free_to_bytes (p.str);
|
|
}
|