forked from AuroraMiddleware/gtk
d1fec79c00
We now try to emulate cairo_t: We keep a stack of nodes via push/pop and a transform matrix. So whenever a new node is added to the snapshot, we transform it by the current transform matrix and append it to the current node.
77 lines
3.3 KiB
C
77 lines
3.3 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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G_BEGIN_DECLS
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typedef struct _GtkSnapshot GtkSnapshot;
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GDK_AVAILABLE_IN_3_90
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GskRenderer * gtk_snapshot_get_renderer (const GtkSnapshot *state);
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GDK_AVAILABLE_IN_3_90
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void gtk_snapshot_push (GtkSnapshot *state,
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GskRenderNode *node);
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GDK_AVAILABLE_IN_3_90
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cairo_t * gtk_snapshot_push_cairo_node (GtkSnapshot *state,
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const graphene_rect_t *bounds,
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const char *name,
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...) G_GNUC_PRINTF(3, 4);
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GDK_AVAILABLE_IN_3_90
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void gtk_snapshot_pop (GtkSnapshot *state);
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GDK_AVAILABLE_IN_3_90
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void gtk_snapshot_set_transform (GtkSnapshot *state,
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const graphene_matrix_t *transform);
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GDK_AVAILABLE_IN_3_90
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void gtk_snapshot_transform (GtkSnapshot *state,
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const graphene_matrix_t *matrix);
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GDK_AVAILABLE_IN_3_90
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void gtk_snapshot_translate_2d (GtkSnapshot *state,
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int x,
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int y);
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GDK_AVAILABLE_IN_3_90
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void gtk_snapshot_append_node (GtkSnapshot *state,
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GskRenderNode *node);
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GDK_AVAILABLE_IN_3_90
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cairo_t * gtk_snapshot_append_cairo_node (GtkSnapshot *state,
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const graphene_rect_t *bounds,
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const char *name,
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...) G_GNUC_PRINTF(3, 4);
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G_END_DECLS
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#endif /* __GTK_SNAPSHOT_H__ */
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