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Diffstat (limited to 'gdk/gdkpixmap.c')
| -rw-r--r-- | gdk/gdkpixmap.c | 411 |
1 files changed, 411 insertions, 0 deletions
diff --git a/gdk/gdkpixmap.c b/gdk/gdkpixmap.c new file mode 100644 index 0000000000..70c825f915 --- /dev/null +++ b/gdk/gdkpixmap.c @@ -0,0 +1,411 @@ +/* GDK - The GIMP Drawing Kit + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS + * file for a list of people on the GTK+ Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GTK+ at ftp://ftp.gtk.org/pub/gtk/. + */ + +#include "gdkpixmap.h" +#include "gdkinternals.h" + +static GdkGC *gdk_pixmap_create_gc (GdkDrawable *drawable, + GdkGCValues *values, + GdkGCValuesMask mask); +static void gdk_pixmap_draw_rectangle (GdkDrawable *drawable, + GdkGC *gc, + gint filled, + gint x, + gint y, + gint width, + gint height); +static void gdk_pixmap_draw_arc (GdkDrawable *drawable, + GdkGC *gc, + gint filled, + gint x, + gint y, + gint width, + gint height, + gint angle1, + gint angle2); +static void gdk_pixmap_draw_polygon (GdkDrawable *drawable, + GdkGC *gc, + gint filled, + GdkPoint *points, + gint npoints); +static void gdk_pixmap_draw_text (GdkDrawable *drawable, + GdkFont *font, + GdkGC *gc, + gint x, + gint y, + const gchar *text, + gint text_length); +static void gdk_pixmap_draw_text_wc (GdkDrawable *drawable, + GdkFont *font, + GdkGC *gc, + gint x, + gint y, + const GdkWChar *text, + gint text_length); +static void gdk_pixmap_draw_drawable (GdkDrawable *drawable, + GdkGC *gc, + GdkPixmap *src, + gint xsrc, + gint ysrc, + gint xdest, + gint ydest, + gint width, + gint height); +static void gdk_pixmap_draw_points (GdkDrawable *drawable, + GdkGC *gc, + GdkPoint *points, + gint npoints); +static void gdk_pixmap_draw_segments (GdkDrawable *drawable, + GdkGC *gc, + GdkSegment *segs, + gint nsegs); +static void gdk_pixmap_draw_lines (GdkDrawable *drawable, + GdkGC *gc, + GdkPoint *points, + gint npoints); +static void gdk_pixmap_draw_glyphs (GdkDrawable *drawable, + GdkGC *gc, + PangoFont *font, + gint x, + gint y, + PangoGlyphString *glyphs); +static void gdk_pixmap_draw_image (GdkDrawable *drawable, + GdkGC *gc, + GdkImage *image, + gint xsrc, + gint ysrc, + gint xdest, + gint ydest, + gint width, + gint height); + +static void gdk_pixmap_real_get_size (GdkDrawable *drawable, + gint *width, + gint *height); + +static GdkVisual* gdk_pixmap_real_get_visual (GdkDrawable *drawable); +static gint gdk_pixmap_real_get_depth (GdkDrawable *drawable); +static void gdk_pixmap_real_set_colormap (GdkDrawable *drawable, + GdkColormap *cmap); +static GdkColormap* gdk_pixmap_real_get_colormap (GdkDrawable *drawable); + +static void gdk_pixmap_init (GdkPixmapObject *pixmap); +static void gdk_pixmap_class_init (GdkPixmapObjectClass *klass); +static void gdk_pixmap_finalize (GObject *object); + +static gpointer parent_class = NULL; + +GType +gdk_pixmap_get_type (void) +{ + static GType object_type = 0; + + if (!object_type) + { + static const GTypeInfo object_info = + { + sizeof (GdkPixmapObjectClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) gdk_pixmap_class_init, + NULL, /* class_finalize */ + NULL, /* class_data */ + sizeof (GdkPixmapObject), + 0, /* n_preallocs */ + (GInstanceInitFunc) gdk_pixmap_init, + }; + + object_type = g_type_register_static (GDK_TYPE_DRAWABLE, + "GdkPixmap", + &object_info); + } + + return object_type; +} + +static void +gdk_pixmap_init (GdkPixmapObject *pixmap) +{ + /* 0-initialization is good for all other fields. */ + pixmap->impl = + GDK_DRAWABLE (g_type_create_instance (_gdk_pixmap_impl_get_type ())); +} + +static void +gdk_pixmap_class_init (GdkPixmapObjectClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass); + + parent_class = g_type_class_peek_parent (klass); + + object_class->finalize = gdk_pixmap_finalize; + + drawable_class->create_gc = gdk_pixmap_create_gc; + drawable_class->draw_rectangle = gdk_pixmap_draw_rectangle; + drawable_class->draw_arc = gdk_pixmap_draw_arc; + drawable_class->draw_polygon = gdk_pixmap_draw_polygon; + drawable_class->draw_text = gdk_pixmap_draw_text; + drawable_class->draw_text_wc = gdk_pixmap_draw_text_wc; + drawable_class->draw_drawable = gdk_pixmap_draw_drawable; + drawable_class->draw_points = gdk_pixmap_draw_points; + drawable_class->draw_segments = gdk_pixmap_draw_segments; + drawable_class->draw_lines = gdk_pixmap_draw_lines; + drawable_class->draw_glyphs = gdk_pixmap_draw_glyphs; + drawable_class->draw_image = gdk_pixmap_draw_image; + drawable_class->get_depth = gdk_pixmap_real_get_depth; + drawable_class->get_size = gdk_pixmap_real_get_size; + drawable_class->set_colormap = gdk_pixmap_real_set_colormap; + drawable_class->get_colormap = gdk_pixmap_real_get_colormap; + drawable_class->get_visual = gdk_pixmap_real_get_visual; +} + +static void +gdk_pixmap_finalize (GObject *object) +{ + GdkPixmapObject *obj = (GdkPixmapObject *) object; + + g_object_unref (G_OBJECT (obj->impl)); + obj->impl = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static GdkGC * +gdk_pixmap_create_gc (GdkDrawable *drawable, + GdkGCValues *values, + GdkGCValuesMask mask) +{ + return gdk_gc_new_with_values (((GdkPixmapObject *) drawable)->impl, + values, mask); +} + +static void +gdk_pixmap_draw_rectangle (GdkDrawable *drawable, + GdkGC *gc, + gint filled, + gint x, + gint y, + gint width, + gint height) +{ + GdkPixmapObject *private = (GdkPixmapObject *)drawable; + + gdk_draw_rectangle (private->impl, gc, filled, + x, y, width, height); +} + +static void +gdk_pixmap_draw_arc (GdkDrawable *drawable, + GdkGC *gc, + gint filled, + gint x, + gint y, + gint width, + gint height, + gint angle1, + gint angle2) +{ + GdkPixmapObject *private = (GdkPixmapObject *)drawable; + + gdk_draw_arc (private->impl, gc, filled, + x, y, + width, height, angle1, angle2); +} + +static void +gdk_pixmap_draw_polygon (GdkDrawable *drawable, + GdkGC *gc, + gint filled, + GdkPoint *points, + gint npoints) +{ + GdkPixmapObject *private = (GdkPixmapObject *)drawable; + + gdk_draw_polygon (private->impl, gc, filled, points, npoints); +} + +static void +gdk_pixmap_draw_text (GdkDrawable *drawable, + GdkFont *font, + GdkGC *gc, + gint x, + gint y, + const gchar *text, + gint text_length) +{ + GdkPixmapObject *private = (GdkPixmapObject *)drawable; + + gdk_draw_text (private->impl, font, gc, + x, y, text, text_length); +} + +static void +gdk_pixmap_draw_text_wc (GdkDrawable *drawable, + GdkFont *font, + GdkGC *gc, + gint x, + gint y, + const GdkWChar *text, + gint text_length) +{ + GdkPixmapObject *private = (GdkPixmapObject *)drawable; + + gdk_draw_text_wc (private->impl, font, gc, + x, y, text, text_length); +} + +static void +gdk_pixmap_draw_drawable (GdkDrawable *drawable, + GdkGC *gc, + GdkPixmap *src, + gint xsrc, + gint ysrc, + gint xdest, + gint ydest, + gint width, + gint height) +{ + GdkPixmapObject *private = (GdkPixmapObject *)drawable; + + gdk_draw_drawable (private->impl, gc, src, xsrc, ysrc, + xdest, ydest, + width, height); +} + +static void +gdk_pixmap_draw_points (GdkDrawable *drawable, + GdkGC *gc, + GdkPoint *points, + gint npoints) +{ + GdkPixmapObject *private = (GdkPixmapObject *)drawable; + + gdk_draw_points (private->impl, gc, points, npoints); +} + +static void +gdk_pixmap_draw_segments (GdkDrawable *drawable, + GdkGC *gc, + GdkSegment *segs, + gint nsegs) +{ + GdkPixmapObject *private = (GdkPixmapObject *)drawable; + + gdk_draw_segments (private->impl, gc, segs, nsegs); +} + +static void +gdk_pixmap_draw_lines (GdkDrawable *drawable, + GdkGC *gc, + GdkPoint *points, + gint npoints) +{ + GdkPixmapObject *private = (GdkPixmapObject *)drawable; + + gdk_draw_lines (private->impl, gc, points, npoints); +} + +static void +gdk_pixmap_draw_glyphs (GdkDrawable *drawable, + GdkGC *gc, + PangoFont *font, + gint x, + gint y, + PangoGlyphString *glyphs) +{ + GdkPixmapObject *private = (GdkPixmapObject *)drawable; + + gdk_draw_glyphs (private->impl, gc, font, x, y, glyphs); +} + +static void +gdk_pixmap_draw_image (GdkDrawable *drawable, + GdkGC *gc, + GdkImage *image, + gint xsrc, + gint ysrc, + gint xdest, + gint ydest, + gint width, + gint height) +{ + GdkPixmapObject *private = (GdkPixmapObject *)drawable; + + gdk_draw_image (private->impl, gc, image, xsrc, ysrc, xdest, ydest, + width, height); +} + +static void +gdk_pixmap_real_get_size (GdkDrawable *drawable, + gint *width, + gint *height) +{ + g_return_if_fail (GDK_IS_PIXMAP (drawable)); + + gdk_drawable_get_size (GDK_DRAWABLE (((GdkPixmapObject*)drawable)->impl), + width, height); +} + +static GdkVisual* +gdk_pixmap_real_get_visual (GdkDrawable *drawable) +{ + GdkColormap *colormap; + + g_return_val_if_fail (GDK_IS_PIXMAP (drawable), NULL); + + colormap = gdk_drawable_get_colormap (drawable); + return colormap ? gdk_colormap_get_visual (colormap) : NULL; +} + +static gint +gdk_pixmap_real_get_depth (GdkDrawable *drawable) +{ + gint depth; + + g_return_val_if_fail (GDK_IS_PIXMAP (drawable), 0); + + depth = GDK_PIXMAP_OBJECT (drawable)->depth; + + return depth; +} + +static void +gdk_pixmap_real_set_colormap (GdkDrawable *drawable, + GdkColormap *cmap) +{ + g_return_if_fail (GDK_IS_PIXMAP (drawable)); + + gdk_drawable_set_colormap (((GdkPixmapObject*)drawable)->impl, cmap); +} + +static GdkColormap* +gdk_pixmap_real_get_colormap (GdkDrawable *drawable) +{ + g_return_val_if_fail (GDK_IS_PIXMAP (drawable), NULL); + + return gdk_drawable_get_colormap (((GdkPixmapObject*)drawable)->impl); +} |