forked from AuroraMiddleware/gtk
51fac44ba5
Instead of gtk_snapshot_offset(), provide a full set of functions kept in sync with GtkTransform APIs. On top of that, add gtk_snapshot_save() and gtk_snapshot_restore() mirroring cairo_save()/restore() that allow saving a snapshot's transform state.
239 lines
14 KiB
C
239 lines
14 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2016 Benjamin Otte <otte@gnome.org>
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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 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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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __GTK_SNAPSHOT_H__
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#define __GTK_SNAPSHOT_H__
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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#include <gsk/gsk.h>
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#include <gtk/gtktypes.h>
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G_BEGIN_DECLS
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typedef struct _GtkSnapshotClass GtkSnapshotClass;
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#define GTK_TYPE_SNAPSHOT (gtk_snapshot_get_type ())
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#define GTK_SNAPSHOT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_SNAPSHOT, GtkSnapshot))
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#define GTK_IS_SNAPSHOT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_SNAPSHOT))
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkSnapshot, g_object_unref)
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GDK_AVAILABLE_IN_ALL
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GType gtk_snapshot_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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GtkSnapshot * gtk_snapshot_new (void);
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GDK_AVAILABLE_IN_ALL
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GskRenderNode * gtk_snapshot_free_to_node (GtkSnapshot *snapshot);
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GDK_AVAILABLE_IN_ALL
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GdkPaintable * gtk_snapshot_free_to_paintable (GtkSnapshot *snapshot,
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const graphene_size_t *size);
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GDK_AVAILABLE_IN_ALL
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GskRenderNode * gtk_snapshot_to_node (GtkSnapshot *snapshot);
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GDK_AVAILABLE_IN_ALL
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GdkPaintable * gtk_snapshot_to_paintable (GtkSnapshot *snapshot,
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const graphene_size_t *size);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_push_debug (GtkSnapshot *snapshot,
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const char *message,
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...) G_GNUC_PRINTF (2, 3);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_push_transform (GtkSnapshot *snapshot,
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const graphene_matrix_t*transform);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_push_opacity (GtkSnapshot *snapshot,
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double opacity);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_push_blur (GtkSnapshot *snapshot,
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double radius);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_push_color_matrix (GtkSnapshot *snapshot,
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const graphene_matrix_t*color_matrix,
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const graphene_vec4_t *color_offset);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_push_repeat (GtkSnapshot *snapshot,
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const graphene_rect_t *bounds,
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const graphene_rect_t *child_bounds);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_push_clip (GtkSnapshot *snapshot,
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const graphene_rect_t *bounds);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_push_rounded_clip (GtkSnapshot *snapshot,
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const GskRoundedRect *bounds);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_push_shadow (GtkSnapshot *snapshot,
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const GskShadow *shadow,
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gsize n_shadows);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_push_blend (GtkSnapshot *snapshot,
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GskBlendMode blend_mode);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_push_cross_fade (GtkSnapshot *snapshot,
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double progress);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_pop (GtkSnapshot *snapshot);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_save (GtkSnapshot *snapshot);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_restore (GtkSnapshot *snapshot);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_transform (GtkSnapshot *snapshot,
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GtkTransform *transform);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_transform_matrix (GtkSnapshot *snapshot,
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const graphene_matrix_t*matrix);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_translate (GtkSnapshot *snapshot,
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const graphene_point_t *point);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_translate_3d (GtkSnapshot *snapshot,
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const graphene_point3d_t*point);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_rotate (GtkSnapshot *snapshot,
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float angle);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_rotate_3d (GtkSnapshot *snapshot,
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float angle,
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const graphene_vec3_t *axis);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_scale (GtkSnapshot *snapshot,
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float factor_x,
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float factor_y);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_scale_3d (GtkSnapshot *snapshot,
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float factor_x,
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float factor_y,
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float factor_z);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_offset (GtkSnapshot *snapshot,
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int x,
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int y);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_append_node (GtkSnapshot *snapshot,
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GskRenderNode *node);
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GDK_AVAILABLE_IN_ALL
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cairo_t * gtk_snapshot_append_cairo (GtkSnapshot *snapshot,
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const graphene_rect_t *bounds);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_append_texture (GtkSnapshot *snapshot,
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GdkTexture *texture,
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const graphene_rect_t *bounds);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_append_color (GtkSnapshot *snapshot,
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const GdkRGBA *color,
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const graphene_rect_t *bounds);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_append_linear_gradient (GtkSnapshot *snapshot,
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const graphene_rect_t *bounds,
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const graphene_point_t *start_point,
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const graphene_point_t *end_point,
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const GskColorStop *stops,
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gsize n_stops);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_append_repeating_linear_gradient (GtkSnapshot *snapshot,
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const graphene_rect_t *bounds,
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const graphene_point_t *start_point,
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const graphene_point_t *end_point,
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const GskColorStop *stops,
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gsize n_stops);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_append_border (GtkSnapshot *snapshot,
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const GskRoundedRect *outline,
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const float border_width[4],
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const GdkRGBA border_color[4]);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_append_inset_shadow (GtkSnapshot *snapshot,
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const GskRoundedRect *outline,
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const GdkRGBA *color,
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float dx,
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float dy,
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float spread,
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float blur_radius);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_append_outset_shadow (GtkSnapshot *snapshot,
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const GskRoundedRect *outline,
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const GdkRGBA *color,
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float dx,
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float dy,
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float spread,
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float blur_radius);
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/* next function implemented in gskpango.c */
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_append_layout (GtkSnapshot *snapshot,
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PangoLayout *layout,
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const GdkRGBA *color);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_render_background (GtkSnapshot *snapshot,
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GtkStyleContext *context,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_render_frame (GtkSnapshot *snapshot,
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GtkStyleContext *context,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_render_focus (GtkSnapshot *snapshot,
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GtkStyleContext *context,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height);
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GDK_AVAILABLE_IN_ALL
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void gtk_snapshot_render_layout (GtkSnapshot *snapshot,
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GtkStyleContext *context,
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gdouble x,
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gdouble y,
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PangoLayout *layout);
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GDK_AVAILABLE_IN_ALL /* in gtkstylecontext.c */
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void gtk_snapshot_render_insertion_cursor (GtkSnapshot *snapshot,
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GtkStyleContext *context,
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gdouble x,
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gdouble y,
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PangoLayout *layout,
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int index,
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PangoDirection direction);
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G_END_DECLS
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#endif /* __GTK_SNAPSHOT_H__ */
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