#include <config.h>
#include <gdk/gdk.h>
-#include "gdkinternals.h" /* _gdk_draw_pixbuf() */
#include "gdk-pixbuf-private.h"
#include "gdkpixbuf.h"
#include "gdkscreen.h"
+#include "gdkinternals.h"
+#include "gdkalias.h"
\f
if (width == 0 || height == 0)
return;
- gc = gdk_gc_new (bitmap);
+ gc = _gdk_drawable_get_scratch_gc (bitmap, FALSE);
if (!pixbuf->has_alpha)
{
color.pixel = (alpha_threshold == 255) ? 0 : 1;
gdk_gc_set_foreground (gc, &color);
gdk_draw_rectangle (bitmap, gc, TRUE, dest_x, dest_y, width, height);
- gdk_gc_unref (gc);
return;
}
start + dest_x, y + dest_y,
x - 1 + dest_x, y + dest_y);
}
-
- gdk_gc_unref (gc);
}
\f
* base position change, as in scrolling. The dither matrix has to be shifted
* for consistent visual results. If you do not have any of these cases, the
* dither offsets can be both zero.
+ *
+ * Deprecated: 2.4: This function is obsolete. Use gdk_draw_pixbuf() instead.
**/
void
gdk_pixbuf_render_to_drawable (GdkPixbuf *pixbuf,
GdkRgbDither dither,
int x_dither, int y_dither)
{
- g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
- g_return_if_fail (pixbuf->colorspace == GDK_COLORSPACE_RGB);
- g_return_if_fail (pixbuf->n_channels == 3 || pixbuf->n_channels == 4);
- g_return_if_fail (pixbuf->bits_per_sample == 8);
-
- g_return_if_fail (drawable != NULL);
-
- if (width == -1)
- width = pixbuf->width;
- if (height == -1)
- height = pixbuf->height;
-
- g_return_if_fail (width >= 0 && height >= 0);
- g_return_if_fail (src_x >= 0 && src_x + width <= pixbuf->width);
- g_return_if_fail (src_y >= 0 && src_y + height <= pixbuf->height);
-
- if (width == 0 || height == 0)
- return;
-
- _gdk_draw_pixbuf (drawable, gc, pixbuf,
- src_x, src_y, dest_x, dest_y, width, height,
- dither, x_dither, y_dither);
+ gdk_draw_pixbuf (drawable, gc, pixbuf,
+ src_x, src_y, dest_x, dest_y, width, height,
+ dither, x_dither, y_dither);
}
\f
*
* Renders a rectangular portion of a pixbuf to a drawable. The destination
* drawable must have a colormap. All windows have a colormap, however, pixmaps
- * only have colormap by default if they were created with a non-NULL window argument.
+ * only have colormap by default if they were created with a non-%NULL window argument.
* Otherwise a colormap must be set on them with gdk_drawable_set_colormap.
*
* On older X servers, rendering pixbufs with an alpha channel involves round trips
* to the X server, and may be somewhat slow.
+ *
+ * Deprecated: 2.4: This function is obsolete. Use gdk_draw_pixbuf() instead.
**/
void
gdk_pixbuf_render_to_drawable_alpha (GdkPixbuf *pixbuf,
GdkRgbDither dither,
int x_dither, int y_dither)
{
- _gdk_draw_pixbuf (drawable, NULL, pixbuf,
- src_x, src_y, dest_x, dest_y, width, height,
- dither, x_dither, y_dither);
+ gdk_draw_pixbuf (drawable, NULL, pixbuf,
+ src_x, src_y, dest_x, dest_y, width, height,
+ dither, x_dither, y_dither);
}
/**
* gdk_pixbuf_render_pixmap_and_mask:
* @pixbuf: A pixbuf.
- * @pixmap_return: Return value for the created pixmap.
- * @mask_return: Return value for the created mask.
+ * @pixmap_return: Location to store a pointer to the created pixmap,
+ * or %NULL if the pixmap is not needed.
+ * @mask_return: Location to store a pointer to the created mask,
+ * or %NULL if the mask is not needed.
* @alpha_threshold: Threshold value for opacity values.
*
* Creates a pixmap and a mask bitmap which are returned in the @pixmap_return
* and @mask_return arguments, respectively, and renders a pixbuf and its
* corresponding thresholded alpha mask to them. This is merely a convenience
* function; applications that need to render pixbufs with dither offsets or to
- * given drawables should use gdk_pixbuf_render_to_drawable_alpha() or
- * gdk_pixbuf_render_to_drawable(), and gdk_pixbuf_render_threshold_alpha().
+ * given drawables should use gdk_draw_pixbuf() and gdk_pixbuf_render_threshold_alpha().
*
* The pixmap that is created is created for the colormap returned
* by gdk_rgb_get_colormap(). You normally will want to instead use
* the actual colormap for a widget, and use
- * gdk_pixbuf_render_pixmap_and_mask_for_colormap.
+ * gdk_pixbuf_render_pixmap_and_mask_for_colormap().
*
* If the pixbuf does not have an alpha channel, then *@mask_return will be set
- * to NULL.
+ * to %NULL.
**/
void
gdk_pixbuf_render_pixmap_and_mask (GdkPixbuf *pixbuf,
* gdk_pixbuf_render_pixmap_and_mask_for_colormap:
* @pixbuf: A pixbuf.
* @colormap: A #GdkColormap
- * @pixmap_return: Return value for the created pixmap.
- * @mask_return: Return value for the created mask.
+ * @pixmap_return: Location to store a pointer to the created pixmap,
+ * or %NULL if the pixmap is not needed.
+ * @mask_return: Location to store a pointer to the created mask,
+ * or %NULL if the mask is not needed.
* @alpha_threshold: Threshold value for opacity values.
*
* Creates a pixmap and a mask bitmap which are returned in the @pixmap_return
* and @mask_return arguments, respectively, and renders a pixbuf and its
* corresponding tresholded alpha mask to them. This is merely a convenience
* function; applications that need to render pixbufs with dither offsets or to
- * given drawables should use gdk_pixbuf_render_to_drawable_alpha() or
- * gdk_pixbuf_render_to_drawable(), and gdk_pixbuf_render_threshold_alpha().
+ * given drawables should use gdk_draw_pixbuf(), and gdk_pixbuf_render_threshold_alpha().
*
* The pixmap that is created uses the #GdkColormap specified by @colormap.
* This colormap must match the colormap of the window where the pixmap
* will eventually be used or an error will result.
*
* If the pixbuf does not have an alpha channel, then *@mask_return will be set
- * to NULL.
+ * to %NULL.
**/
void
gdk_pixbuf_render_pixmap_and_mask_for_colormap (GdkPixbuf *pixbuf,
GdkGC *gc;
*pixmap_return = gdk_pixmap_new (gdk_screen_get_root_window (screen),
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf),
- gdk_screen_get_rgb_visual (screen)->depth);
+ gdk_colormap_get_visual (colormap)->depth);
gdk_drawable_set_colormap (GDK_DRAWABLE (*pixmap_return), colormap);
- gc = gdk_gc_new (*pixmap_return);
- gdk_pixbuf_render_to_drawable (pixbuf, *pixmap_return, gc,
- 0, 0, 0, 0,
- gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf),
- GDK_RGB_DITHER_NORMAL,
- 0, 0);
- gdk_gc_unref (gc);
+ gc = _gdk_drawable_get_scratch_gc (*pixmap_return, FALSE);
+ gdk_draw_pixbuf (*pixmap_return, gc, pixbuf,
+ 0, 0, 0, 0,
+ gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf),
+ GDK_RGB_DITHER_NORMAL,
+ 0, 0);
}
if (mask_return)
{
if (gdk_pixbuf_get_has_alpha (pixbuf))
{
- GdkScreen *screen = gdk_colormap_get_screen (colormap);
-
*mask_return = gdk_pixmap_new (gdk_screen_get_root_window (screen),
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf), 1);
*mask_return = NULL;
}
}
+
+#define __GDK_PIXBUF_RENDER_C__
+#include "gdkaliasdef.c"
+
projects / ~andy / gtk / blobdiff