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https://gitlab.gnome.org/GNOME/gtk.git
synced 2025-01-13 14:00:09 +00:00
Use color matrices for -gtk-recolor
Use the same approach we take for recoloring in GtkIconHelper now. As part of this change, GtkCsSImageRecolor is changed to not derive from GtkCssImageUrl anymore.
This commit is contained in:
Matthias Clasen
parent
6f54e1fc6d
commit
c83665005a
@ -20,26 +20,26 @@
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#include "config.h"
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#include "gtkcssimagerecolorprivate.h"
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#include "gtkcssimageurlprivate.h"
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#include "gtkcssimageprivate.h"
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#include "gtkcssimagesurfaceprivate.h"
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#include "gtkcsspalettevalueprivate.h"
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#include "gtkcssrgbavalueprivate.h"
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#include "gtkiconthemeprivate.h"
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#include "gdkpixbufutilsprivate.h"
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#include "gtkstyleproviderprivate.h"
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G_DEFINE_TYPE (GtkCssImageRecolor, _gtk_css_image_recolor, GTK_TYPE_CSS_IMAGE_URL)
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G_DEFINE_TYPE (GtkCssImageRecolor, _gtk_css_image_recolor, GTK_TYPE_CSS_IMAGE)
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static void
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gtk_css_image_recolor_print (GtkCssImage *image,
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GString *string)
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{
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GtkCssImageUrl *url = GTK_CSS_IMAGE_URL (image);
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GtkCssImageRecolor *recolor = GTK_CSS_IMAGE_RECOLOR (image);
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char *uri;
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g_string_append (string, "-gtk-recolor(url(");
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uri = g_file_get_uri (url->file);
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uri = g_file_get_uri (recolor->file);
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g_string_append (string, uri);
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g_free (uri);
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g_string_append (string, ")");
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@ -56,11 +56,9 @@ gtk_css_image_recolor_dispose (GObject *object)
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{
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GtkCssImageRecolor *recolor = GTK_CSS_IMAGE_RECOLOR (object);
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if (recolor->palette)
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{
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_gtk_css_value_unref (recolor->palette);
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recolor->palette = NULL;
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}
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g_clear_pointer (&recolor->palette, _gtk_css_value_unref);
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g_clear_object (&recolor->file);
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g_clear_object (&recolor->texture);
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G_OBJECT_CLASS (_gtk_css_image_recolor_parent_class)->dispose (object);
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}
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@ -98,6 +96,57 @@ lookup_symbolic_colors (GtkCssStyle *style,
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*error_out = *color_out;
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}
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static void
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gtk_css_image_recolor_load_texture (GtkCssImageRecolor *recolor,
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GError **error)
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{
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char *uri;
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if (recolor->texture)
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return;
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uri = g_file_get_uri (recolor->file);
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if (g_str_has_suffix (uri, ".symbolic.png"))
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{
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if (g_file_has_uri_scheme (recolor->file, "resource"))
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{
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char *resource_path = g_uri_unescape_string (uri + strlen ("resource://"), NULL);
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recolor->texture = gdk_texture_new_from_resource (resource_path);
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g_free (resource_path);
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}
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else
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{
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recolor->texture = gdk_texture_new_from_file (recolor->file, NULL);
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}
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}
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else
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{
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GdkPixbuf *pixbuf;
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if (g_file_has_uri_scheme (recolor->file, "resource"))
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{
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char *resource_path = g_uri_unescape_string (uri + strlen ("resource://"), NULL);
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pixbuf = gtk_make_symbolic_pixbuf_from_resource (resource_path, 0, 0, 1.0, NULL);
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g_free (resource_path);
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}
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else
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{
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pixbuf = gtk_make_symbolic_pixbuf_from_file (recolor->file, 0, 0, 1.0, NULL);
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}
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recolor->texture = gdk_texture_new_for_pixbuf (pixbuf);
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g_object_unref (pixbuf);
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}
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g_free (uri);
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}
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static GtkCssImage *
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gtk_css_image_recolor_load (GtkCssImageRecolor *recolor,
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GtkCssStyle *style,
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@ -105,44 +154,75 @@ gtk_css_image_recolor_load (GtkCssImageRecolor *recolor,
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gint scale,
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GError **gerror)
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{
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GtkCssImageUrl *url = GTK_CSS_IMAGE_URL (recolor);
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GtkIconInfo *info;
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GdkRGBA fg, success, warning, error;
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GdkPixbuf *pixbuf;
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GtkCssImage *image;
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GError *local_error = NULL;
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GtkCssImageRecolor *image;
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lookup_symbolic_colors (style, palette, &fg, &success, &warning, &error);
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image = g_object_new (GTK_TYPE_CSS_IMAGE_RECOLOR, NULL);
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info = gtk_icon_info_new_for_file (url->file, 0, scale);
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pixbuf = gtk_icon_info_load_symbolic (info, &fg, &success, &warning, &error, NULL, &local_error);
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g_object_unref (info);
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lookup_symbolic_colors (style, palette, &image->color, &image->success, &image->warning, &image->error);
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gtk_css_image_recolor_load_texture (recolor, &local_error);
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if (pixbuf == NULL)
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image->file = g_object_ref (recolor->file);
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if (recolor->texture)
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image->texture = g_object_ref (recolor->texture);
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else
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{
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if (gerror)
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{
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char *uri;
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uri = g_file_get_uri (url->file);
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uri = g_file_get_uri (recolor->file);
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g_set_error (gerror,
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GTK_CSS_PROVIDER_ERROR,
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GTK_CSS_PROVIDER_ERROR_FAILED,
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"Error loading image '%s': %s", uri, local_error->message);
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g_error_free (local_error);
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g_free (uri);
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}
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image = gtk_css_image_surface_new (NULL);
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return image;
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}
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image = gtk_css_image_surface_new_for_pixbuf (pixbuf);
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g_object_unref (pixbuf);
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g_clear_error (&local_error);
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return image;
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}
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static void
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gtk_css_image_recolor_snapshot (GtkCssImage *image,
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GtkSnapshot *snapshot,
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double width,
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double height)
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{
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GtkCssImageRecolor *recolor = GTK_CSS_IMAGE_RECOLOR (image);
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graphene_matrix_t matrix;
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graphene_vec4_t offset;
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GdkRGBA fg = recolor->color;
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GdkRGBA sc = recolor->success;
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GdkRGBA wc = recolor->warning;
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GdkRGBA ec = recolor->error;
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if (recolor->texture == NULL)
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return;
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graphene_matrix_init_from_float (&matrix,
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(float[16]) {
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sc.red - fg.red, sc.green - fg.green, sc.blue - fg.blue, 0,
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wc.red - fg.red, wc.green - fg.green, wc.blue - fg.blue, 0,
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ec.red - fg.red, ec.green - fg.green, ec.blue - fg.blue, 0,
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0, 0, 0, fg.alpha
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});
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graphene_vec4_init (&offset, fg.red, fg.green, fg.blue, 0);
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gtk_snapshot_push_color_matrix (snapshot, &matrix, &offset, "Recolor");
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gtk_snapshot_append_texture (snapshot,
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recolor->texture,
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&GRAPHENE_RECT_INIT (0, 0, width, height),
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"Recolor Image %dx%d",
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gdk_texture_get_width (recolor->texture),
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gdk_texture_get_height (recolor->texture));
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gtk_snapshot_pop (snapshot);
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}
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static GtkCssImage *
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gtk_css_image_recolor_compute (GtkCssImage *image,
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guint property_id,
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@ -181,7 +261,6 @@ static gboolean
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gtk_css_image_recolor_parse (GtkCssImage *image,
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GtkCssParser *parser)
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{
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GtkCssImageUrl *url = GTK_CSS_IMAGE_URL (image);
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GtkCssImageRecolor *recolor = GTK_CSS_IMAGE_RECOLOR (image);
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if (!_gtk_css_parser_try (parser, "-gtk-recolor", TRUE))
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@ -196,8 +275,8 @@ gtk_css_image_recolor_parse (GtkCssImage *image,
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return FALSE;
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}
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url->file = _gtk_css_parser_read_url (parser);
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if (url->file == NULL)
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recolor->file = _gtk_css_parser_read_url (parser);
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if (recolor->file == NULL)
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{
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_gtk_css_parser_error (parser, "Expected a url here");
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return FALSE;
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@ -223,14 +302,43 @@ gtk_css_image_recolor_parse (GtkCssImage *image,
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return TRUE;
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}
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static int
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gtk_css_image_recolor_get_width (GtkCssImage *image)
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{
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GtkCssImageRecolor *recolor = GTK_CSS_IMAGE_RECOLOR (image);
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gtk_css_image_recolor_load_texture (recolor, NULL);
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if (recolor->texture == NULL)
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return 0;
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return gdk_texture_get_width (recolor->texture);
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}
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static int
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gtk_css_image_recolor_get_height (GtkCssImage *image)
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{
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GtkCssImageRecolor *recolor = GTK_CSS_IMAGE_RECOLOR (image);
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gtk_css_image_recolor_load_texture (recolor, NULL);
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if (recolor->texture == NULL)
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return 0;
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return gdk_texture_get_height (recolor->texture);
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}
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static void
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_gtk_css_image_recolor_class_init (GtkCssImageRecolorClass *klass)
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{
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GtkCssImageClass *image_class = GTK_CSS_IMAGE_CLASS (klass);
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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image_class->parse = gtk_css_image_recolor_parse;
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image_class->get_width = gtk_css_image_recolor_get_width;
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image_class->get_height = gtk_css_image_recolor_get_height;
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image_class->compute = gtk_css_image_recolor_compute;
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image_class->snapshot = gtk_css_image_recolor_snapshot;
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image_class->parse = gtk_css_image_recolor_parse;
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image_class->print = gtk_css_image_recolor_print;
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object_class->dispose = gtk_css_image_recolor_dispose;
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@ -37,9 +37,15 @@ typedef struct _GtkCssImageRecolorClass GtkCssImageRecolorClass;
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struct _GtkCssImageRecolor
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{
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GtkCssImageUrl parent;
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GtkCssImage parent;
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GFile *file;
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GtkCssValue *palette;
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GdkTexture *texture;
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GdkRGBA color;
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GdkRGBA success;
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GdkRGBA warning;
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GdkRGBA error;
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};
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struct _GtkCssImageRecolorClass
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