forked from AuroraMiddleware/gtk
106 lines
3.2 KiB
C
106 lines
3.2 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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#ifndef __GTK_SNAPSHOT_PRIVATE_H__
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#define __GTK_SNAPSHOT_PRIVATE_H__
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#include "gtksnapshot.h"
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G_BEGIN_DECLS
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typedef struct _GtkSnapshotState GtkSnapshotState;
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typedef GskRenderNode * (* GtkSnapshotCollectFunc) (GtkSnapshot *snapshot,
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GtkSnapshotState *state,
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GskRenderNode **nodes,
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guint n_nodes,
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const char *name);
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struct _GtkSnapshotState {
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char *name;
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guint start_node_index;
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guint n_nodes;
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cairo_region_t *clip_region;
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int translate_x;
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int translate_y;
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GtkSnapshotCollectFunc collect_func;
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union {
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struct {
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graphene_matrix_t transform;
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} transform;
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struct {
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double opacity;
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} opacity;
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struct {
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double radius;
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} blur;
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struct {
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graphene_matrix_t matrix;
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graphene_vec4_t offset;
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} color_matrix;
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struct {
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graphene_rect_t bounds;
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graphene_rect_t child_bounds;
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} repeat;
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struct {
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graphene_rect_t bounds;
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} clip;
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struct {
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GskRoundedRect bounds;
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} rounded_clip;
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struct {
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gsize n_shadows;
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GskShadow *shadows;
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GskShadow a_shadow; /* Used if n_shadows == 1 */
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} shadow;
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struct {
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GskBlendMode blend_mode;
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GskRenderNode *bottom_node;
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} blend;
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struct {
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double progress;
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GskRenderNode *start_node;
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} cross_fade;
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} data;
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};
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/* This is a nasty little hack. We typedef GtkSnapshot to the fake object GdkSnapshot
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* so that we don't need to typecast between them.
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* After all, the GdkSnapshot only exist so poor language bindings don't trip. Hardcore
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* C code can just blatantly ignore such layering violations with a typedef.
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*/
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struct _GdkSnapshot {
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GObject parent_instance; /* it's really GdkSnapshot, but don't tell anyone! */
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gboolean record_names;
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GArray *state_stack;
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GPtrArray *nodes;
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};
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struct _GtkSnapshotClass {
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GObjectClass parent_class; /* it's really GdkSnapshotClass, but don't tell anyone! */
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};
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void gtk_snapshot_append_node_internal (GtkSnapshot *snapshot,
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GskRenderNode *node);
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G_END_DECLS
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#endif /* __GTK_SNAPSHOT_PRIVATE_H__ */
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