gtk2/gdk/gdkpixbuf-render.c

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/* GdkPixbuf library - Rendering functions
*
* Copyright (C) 1999 The Free Software Foundation
*
* Author: Federico Mena-Quintero <federico@gimp.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*/
#include "config.h"
#include <gdk/gdk.h>
Most of this patch is based on a patch by Havoc Pennington (hp@redhat.com) 2000-04-11 Federico Mena Quintero <federico@helixcode.com> Most of this patch is based on a patch by Havoc Pennington (hp@redhat.com) to make GdkPixbuf's structures opaque and to remove the libart dependency. * gdk-pixbuf/gdk-pixbuf.h: Removed the public structures. (GdkColorspace): New enum that for now only contains GDK_COLORSPACE_RGB. (GdkPixbufDestroyNotify): New type for the pixbuf's pixels destroy notification function. (GdkInterpType): New num with interpolation types. * *.[ch]: Replace the libart stuff with our own stuff. * pixops/*.[ch]: Likewise. * gdk-pixbuf/gdk-pixbuf-private.h: New file with the private declarations of the GdkPixbuf structures. * gdk-pixbuf/gdk-pixbuf.c (gdk_pixbuf_new_from_art_pixbuf): Removed function. (gdk_pixbuf_get_format): Constify. (gdk_pixbuf_get_n_channels): Constify. (gdk_pixbuf_get_has_alpha): Constify. (gdk_pixbuf_get_bits_per_sample): Constify. (gdk_pixbuf_get_pixels): Constify. (gdk_pixbuf_get_width): Constify. (gdk_pixbuf_get_height): Constify. (gdk_pixbuf_get_rowstride): Constify. * gdk-pixbuf/gdk-pixbuf.c (gdk_pixbuf_copy): New function to copy a pixbuf. * gdk-pixbuf/gdk-pixbuf-data.c (gdk_pixbuf_new_from_data): Added a bits_per_sample argument; currently only 8 bits per sample are supported. * gdk-pixbuf/gdk-pixbuf-animation.c (gdk_pixbuf_frame_get_pixbuf): New accessor. (gdk_pixbuf_frame_get_x_offset): New accessor. (gdk_pixbuf_frame_get_y_offset): New accessor. (gdk_pixbuf_frame_get_delay_time): New accessor. (gdk_pixbuf_frame_get_action): New accessor. * gdk-pixbuf/gdk-pixbuf-render.c (gdk_pixbuf_render_pixmap_and_mask): Instead of returning a solid mask rectangle for pixbufs without an alpha channel, set the *mask_return to NULL. * gdk-pixbuf/gdk-pixbuf-util.c (gdk_pixbuf_add_alpha): Constify. * gdk-pixbuf/gdk-pixbuf-scale.c: Fix includes. * gdk-pixbuf/gdk-pixbuf-scale.c (gdk_pixbuf_scale): Added some preconditions. Maybe we should also check for the colorspace, bits per pixel, and such. (gdk_pixbuf_composite): Likewise. (gdk_pixbuf_composite_color): Likewise. (gdk_pixbuf_scale_simple): Likewise, and fail gracefully if we cannot allocate the new pixbuf. (gdk_pixbuf_composite_color_simple): Likewise. * gdk-pixbuf/gnome-canvas-pixbuf.c (gnome_canvas_pixbuf_render): Use art_rgb_rgba_affine() or art_rgb_affine() since we no longer have an ArtPixBuf. * gdk-pixbuf/io-bmp.c: Fix includes. * gdk-pixbuf/pixops/pixops.c (pixops_scale_nearest): Fixed cast in an lvalue. * TODO: Populated. * configure.in: Removed checks for libart. * gdk-pixbuf/Makefile.am: Removed references to libart. (noinst_HEADERS): Added gdk-pixbuf-private.h. * gdk-pixbuf/Makefile.am (libgdk_pixbuf_la_LDFLAGS): Incremented the version number of the libtool library to indicate that this definitely is not compatible with the old usage. I know you love me. I know you do. * configure.in: Bumped version number to 0.7.0. * README: Updated. * gdk-pixbuf-config.in (--libs): We no longer require libart. * DEPENDS.libgdk_pixbuf: We no longer depend on libart. * gdk-pixbuf.spec.in: Updated, but I don't guarantee anything.
2000-04-11 07:03:25 +00:00
#include "gdk-pixbuf-private.h"
#include "gdkpixbuf.h"
Start of integration of Erwann Chenede's multihead work from the Thu Apr 25 16:51:40 2002 Owen Taylor <otaylor@redhat.com> Start of integration of Erwann Chenede's multihead work from the gtk-multihead branch. * gdk/gdkdisplay.[ch] gdk/gdkscreen.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkscreen-x11.[ch] New classes representing a set of screens with attached input devices and a single contiguous area, respectively. * gdk/gdk.[ch] gdk/gdkinternals.h gdk/x11/gdkmain-x11.c: gdk/x11/gdkprivate-x11.h: Make the initialization interface simple _gdk_windowing_init() and do the rest in gdk_open_display() calls. * gdk/gdk.[ch]: Add gdk_parse_args() which can be used to do the display-independent part of initialization instead of gdk_init_[check]. * gdk/gdkcursor.h gdk/gdkfont.h gdk/gdkkeys.h gdk/gdkpixmap.h gdk/gdkproperty.h gdk/gdkselection.h gdk/gdkwindow.h: Add multihead variants (_for_display(), for_screen()) of functions getting information specific to a particular screen screen or display. * gdk/gdkscreen.[ch]: Add gdk_screen__* variants of functions like gdk_rgb_get_colormap() that used to get/list global objects. * gdk/x11/gdkx.h: Add functions for converting GdkScreen and GdkDisplay into the X equivalents. * gdk/x11/gdkwindow-x11.c: Removed gdk_window_xid_at_coords() not in the headers and unused. * configure.in gdk/x11/{gxid.c,gxid_lib.[ch],gdkinput-gxi.c}: Remove gxid support ... has not been tested for a long time... "xfree" support is more portable to non XFree86. * gdk/**.h: Add a GDK_MULTIHEAD_SAFE define that can be used to turn off functions that are inherently non-multihead safe. * gdk/**.c: add GDK_NOTE(multihead, ...) calls when functions are used in non-multihead-safe ways. * gdk/*.c gdk/x11/*.c: Changes to make the internals of GDK multihead safe.
2002-04-25 22:29:14 +00:00
#include "gdkscreen.h"
#include "gdkinternals.h"
#include "gdkalias.h"
/**
* gdk_pixbuf_render_threshold_alpha:
* @pixbuf: A pixbuf.
* @bitmap: Bitmap where the bilevel mask will be painted to.
* @src_x: Source X coordinate.
* @src_y: source Y coordinate.
* @dest_x: Destination X coordinate.
* @dest_y: Destination Y coordinate.
* @width: Width of region to threshold, or -1 to use pixbuf width
* @height: Height of region to threshold, or -1 to use pixbuf height
* @alpha_threshold: Opacity values below this will be painted as zero; all
* other values will be painted as one.
*
* Takes the opacity values in a rectangular portion of a pixbuf and thresholds
* them to produce a bi-level alpha mask that can be used as a clipping mask for
* a drawable.
*
**/
void
gdk_pixbuf_render_threshold_alpha (GdkPixbuf *pixbuf,
GdkBitmap *bitmap,
int src_x, int src_y,
int dest_x, int dest_y,
int width, int height,
int alpha_threshold)
{
GdkGC *gc;
GdkColor color;
int x, y;
guchar *p;
int start, start_status;
int status;
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);
if (width == -1)
width = pixbuf->width;
if (height == -1)
height = pixbuf->height;
g_return_if_fail (bitmap != NULL);
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);
g_return_if_fail (alpha_threshold >= 0 && alpha_threshold <= 255);
if (width == 0 || height == 0)
return;
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);
return;
}
color.pixel = 0;
gdk_gc_set_foreground (gc, &color);
gdk_draw_rectangle (bitmap, gc, TRUE, dest_x, dest_y, width, height);
color.pixel = 1;
gdk_gc_set_foreground (gc, &color);
for (y = 0; y < height; y++)
{
p = (pixbuf->pixels + (y + src_y) * pixbuf->rowstride + src_x * pixbuf->n_channels
+ pixbuf->n_channels - 1);
start = 0;
start_status = *p < alpha_threshold;
for (x = 0; x < width; x++)
{
status = *p < alpha_threshold;
if (status != start_status)
{
if (!start_status)
gdk_draw_line (bitmap, gc,
start + dest_x, y + dest_y,
x - 1 + dest_x, y + dest_y);
start = x;
start_status = status;
}
p += pixbuf->n_channels;
}
if (!start_status)
gdk_draw_line (bitmap, gc,
start + dest_x, y + dest_y,
x - 1 + dest_x, y + dest_y);
}
}
/**
* gdk_pixbuf_render_to_drawable:
* @pixbuf: A pixbuf.
* @drawable: Destination drawable.
* @gc: GC used for rendering.
* @src_x: Source X coordinate within pixbuf.
* @src_y: Source Y coordinate within pixbuf.
* @dest_x: Destination X coordinate within drawable.
* @dest_y: Destination Y coordinate within drawable.
* @width: Width of region to render, in pixels, or -1 to use pixbuf width
* @height: Height of region to render, in pixels, or -1 to use pixbuf height
* @dither: Dithering mode for GdkRGB.
* @x_dither: X offset for dither.
* @y_dither: Y offset for dither.
*
* Renders a rectangular portion of a pixbuf to a drawable while using the
* specified GC. This is done using GdkRGB, so the specified drawable must have
* the GdkRGB visual and colormap. Note that this function will ignore the
* opacity information for images with an alpha channel; the GC must already
* have the clipping mask set if you want transparent regions to show through.
*
1999-11-04 21:52:08 +00:00
* For an explanation of dither offsets, see the GdkRGB documentation. In
* brief, the dither offset is important when re-rendering partial regions of an
* image to a rendered version of the full image, or for when the offsets to a
* 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.
*
2005-12-20 05:35:15 +00:00
* Deprecated: 2.4: This function is obsolete. Use gdk_draw_pixbuf() instead.
**/
void
gdk_pixbuf_render_to_drawable (GdkPixbuf *pixbuf,
GdkDrawable *drawable,
GdkGC *gc,
int src_x, int src_y,
int dest_x, int dest_y,
int width, int height,
GdkRgbDither dither,
int x_dither, int y_dither)
{
gdk_draw_pixbuf (drawable, gc, pixbuf,
src_x, src_y, dest_x, dest_y, width, height,
dither, x_dither, y_dither);
}
/**
* gdk_pixbuf_render_to_drawable_alpha:
* @pixbuf: A pixbuf.
* @drawable: Destination drawable.
* @src_x: Source X coordinate within pixbuf.
* @src_y: Source Y coordinates within pixbuf.
* @dest_x: Destination X coordinate within drawable.
* @dest_y: Destination Y coordinate within drawable.
* @width: Width of region to render, in pixels, or -1 to use pixbuf width.
* @height: Height of region to render, in pixels, or -1 to use pixbuf height.
Private function to tell if we have RENDER extension. Thu Jan 3 22:18:15 2002 Owen Taylor <otaylor@redhat.com> * gdk/x11/gdkdrawable-x11.c gdk/x11/gdkprivate-x11.h (_gdk_x11_have_render): Private function to tell if we have RENDER extension. * gdk/x11/gdkgc-x11.c (_gdk_x11_gc_get_fg_picture): Return None if we don't have RENDER extension. * gdk/x11/gdkpango-x11.c (gdk_pango_context_get): Don't use Xft unless we have render extension. * gdk/x11/gdkdrawable-x11.c (gdk_x11_drawable_get_picture): Handle missing render extension. * gdk/gdkdraw.c gdk/gdkdrawable.h gdk/gdkpixmap.c gdk/gdkwindow.c gdk/gdkinternals.h: Add a private copy_to_image() virtual function to the GdkDrawable vtable that extends get_image() to allow copying onto existing images. Make the default implementation of get_image() use this so that backends don't have to implement both. Add private wrapper _gdk_drawable_copy_to_image(). * gdk/x11/gdkimage-x11.c gdk/x11/gdkprivate-x11.c gdk/x11/gdkdrawable-x11.c (_gdk_x11_copy_to_image): Implement copy_to_image() semantics, speed up by using ShmPixmaps and XCopyArea when possible, XFlush() after ungrabbing the server, generally redo the logic once again. * gdk/gdkinternals.h gdk/x11/gdkimage-x11.c _gdk_windowing_bits_per_depth(): Function to convert from depth to bits-per-pixel. (We assume only one bpp per depth - X requires this.) * gdk/gdkinternals.h gdk/gdkrgb.c gdk/gdkimage.c: Move the GdkRGB scratch image code into a generic _gdk_image_get_scratch() chunk of code that we can use other places we need scratch images. * gdk/gdkimage.c gdk/x11/gdkimage.c gdk/gdkinternals.h: Add _gdk_image_new_for_depth() as the backend to _gdk_image_new() to allowing creating images with a depth and no visual. * gdk/gdkpixbuf-drawable.c: Fix so that getting parts of images not at 0,0 actually works. * gdk/gdkdrawable.h gdk/gdkinternals.h gdk/gdkdraw.c gdk/gdkwindow.c gdk/gdkpixmap.c gdk/gdkpixbuf-render.c: - Add a new GdkDrawableClass vfunc _draw_pixbuf, and _gdk_draw_pixbuf() [ will be made public later ], to allow backends to accelerate drawing pixbufs. - Move the implementation of gdk_pixbuf_render_to_drawable_alpha() to be the default implementation. - Update docs for gdk_pixbuf_render_to_drawable_alpha(). - Optimize the default implementation by using _gdk_image_copy_to_pixmap() and scratch shared images, and special casing the compositing. * gdk/x11/gdkdrawable-x11.c: Accelerate _gdk_draw_pixbuf() with alpha using the RENDER extension. * gdk/gdkpixbuf-drawable.c (gdk_pixbuf_get_from_drawable): Optimize by _gdk_image_copy_to_pixmap() and scratch images. * tests/testrgb.c: Add test for speed of alpha composition, reduce the number of iterations since alpha composition can be a bit slow. * gdk/x11/gdkimage-x11.c gdk/gdkprivate-x11.h (_gdk_x11_image_get_shm_pixmap): Private function to get a ShmPixmap for an image, if possible.
2002-01-04 05:58:01 +00:00
* @alpha_mode: Ignored. Present for backwards compatibility.
* @alpha_threshold: Ignored. Present for backwards compatibility
* @dither: Dithering mode for GdkRGB.
* @x_dither: X offset for dither.
* @y_dither: Y offset for dither.
*
Private function to tell if we have RENDER extension. Thu Jan 3 22:18:15 2002 Owen Taylor <otaylor@redhat.com> * gdk/x11/gdkdrawable-x11.c gdk/x11/gdkprivate-x11.h (_gdk_x11_have_render): Private function to tell if we have RENDER extension. * gdk/x11/gdkgc-x11.c (_gdk_x11_gc_get_fg_picture): Return None if we don't have RENDER extension. * gdk/x11/gdkpango-x11.c (gdk_pango_context_get): Don't use Xft unless we have render extension. * gdk/x11/gdkdrawable-x11.c (gdk_x11_drawable_get_picture): Handle missing render extension. * gdk/gdkdraw.c gdk/gdkdrawable.h gdk/gdkpixmap.c gdk/gdkwindow.c gdk/gdkinternals.h: Add a private copy_to_image() virtual function to the GdkDrawable vtable that extends get_image() to allow copying onto existing images. Make the default implementation of get_image() use this so that backends don't have to implement both. Add private wrapper _gdk_drawable_copy_to_image(). * gdk/x11/gdkimage-x11.c gdk/x11/gdkprivate-x11.c gdk/x11/gdkdrawable-x11.c (_gdk_x11_copy_to_image): Implement copy_to_image() semantics, speed up by using ShmPixmaps and XCopyArea when possible, XFlush() after ungrabbing the server, generally redo the logic once again. * gdk/gdkinternals.h gdk/x11/gdkimage-x11.c _gdk_windowing_bits_per_depth(): Function to convert from depth to bits-per-pixel. (We assume only one bpp per depth - X requires this.) * gdk/gdkinternals.h gdk/gdkrgb.c gdk/gdkimage.c: Move the GdkRGB scratch image code into a generic _gdk_image_get_scratch() chunk of code that we can use other places we need scratch images. * gdk/gdkimage.c gdk/x11/gdkimage.c gdk/gdkinternals.h: Add _gdk_image_new_for_depth() as the backend to _gdk_image_new() to allowing creating images with a depth and no visual. * gdk/gdkpixbuf-drawable.c: Fix so that getting parts of images not at 0,0 actually works. * gdk/gdkdrawable.h gdk/gdkinternals.h gdk/gdkdraw.c gdk/gdkwindow.c gdk/gdkpixmap.c gdk/gdkpixbuf-render.c: - Add a new GdkDrawableClass vfunc _draw_pixbuf, and _gdk_draw_pixbuf() [ will be made public later ], to allow backends to accelerate drawing pixbufs. - Move the implementation of gdk_pixbuf_render_to_drawable_alpha() to be the default implementation. - Update docs for gdk_pixbuf_render_to_drawable_alpha(). - Optimize the default implementation by using _gdk_image_copy_to_pixmap() and scratch shared images, and special casing the compositing. * gdk/x11/gdkdrawable-x11.c: Accelerate _gdk_draw_pixbuf() with alpha using the RENDER extension. * gdk/gdkpixbuf-drawable.c (gdk_pixbuf_get_from_drawable): Optimize by _gdk_image_copy_to_pixmap() and scratch images. * tests/testrgb.c: Add test for speed of alpha composition, reduce the number of iterations since alpha composition can be a bit slow. * gdk/x11/gdkimage-x11.c gdk/gdkprivate-x11.h (_gdk_x11_image_get_shm_pixmap): Private function to get a ShmPixmap for an image, if possible.
2002-01-04 05:58:01 +00:00
* 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.
Private function to tell if we have RENDER extension. Thu Jan 3 22:18:15 2002 Owen Taylor <otaylor@redhat.com> * gdk/x11/gdkdrawable-x11.c gdk/x11/gdkprivate-x11.h (_gdk_x11_have_render): Private function to tell if we have RENDER extension. * gdk/x11/gdkgc-x11.c (_gdk_x11_gc_get_fg_picture): Return None if we don't have RENDER extension. * gdk/x11/gdkpango-x11.c (gdk_pango_context_get): Don't use Xft unless we have render extension. * gdk/x11/gdkdrawable-x11.c (gdk_x11_drawable_get_picture): Handle missing render extension. * gdk/gdkdraw.c gdk/gdkdrawable.h gdk/gdkpixmap.c gdk/gdkwindow.c gdk/gdkinternals.h: Add a private copy_to_image() virtual function to the GdkDrawable vtable that extends get_image() to allow copying onto existing images. Make the default implementation of get_image() use this so that backends don't have to implement both. Add private wrapper _gdk_drawable_copy_to_image(). * gdk/x11/gdkimage-x11.c gdk/x11/gdkprivate-x11.c gdk/x11/gdkdrawable-x11.c (_gdk_x11_copy_to_image): Implement copy_to_image() semantics, speed up by using ShmPixmaps and XCopyArea when possible, XFlush() after ungrabbing the server, generally redo the logic once again. * gdk/gdkinternals.h gdk/x11/gdkimage-x11.c _gdk_windowing_bits_per_depth(): Function to convert from depth to bits-per-pixel. (We assume only one bpp per depth - X requires this.) * gdk/gdkinternals.h gdk/gdkrgb.c gdk/gdkimage.c: Move the GdkRGB scratch image code into a generic _gdk_image_get_scratch() chunk of code that we can use other places we need scratch images. * gdk/gdkimage.c gdk/x11/gdkimage.c gdk/gdkinternals.h: Add _gdk_image_new_for_depth() as the backend to _gdk_image_new() to allowing creating images with a depth and no visual. * gdk/gdkpixbuf-drawable.c: Fix so that getting parts of images not at 0,0 actually works. * gdk/gdkdrawable.h gdk/gdkinternals.h gdk/gdkdraw.c gdk/gdkwindow.c gdk/gdkpixmap.c gdk/gdkpixbuf-render.c: - Add a new GdkDrawableClass vfunc _draw_pixbuf, and _gdk_draw_pixbuf() [ will be made public later ], to allow backends to accelerate drawing pixbufs. - Move the implementation of gdk_pixbuf_render_to_drawable_alpha() to be the default implementation. - Update docs for gdk_pixbuf_render_to_drawable_alpha(). - Optimize the default implementation by using _gdk_image_copy_to_pixmap() and scratch shared images, and special casing the compositing. * gdk/x11/gdkdrawable-x11.c: Accelerate _gdk_draw_pixbuf() with alpha using the RENDER extension. * gdk/gdkpixbuf-drawable.c (gdk_pixbuf_get_from_drawable): Optimize by _gdk_image_copy_to_pixmap() and scratch images. * tests/testrgb.c: Add test for speed of alpha composition, reduce the number of iterations since alpha composition can be a bit slow. * gdk/x11/gdkimage-x11.c gdk/gdkprivate-x11.h (_gdk_x11_image_get_shm_pixmap): Private function to get a ShmPixmap for an image, if possible.
2002-01-04 05:58:01 +00:00
* Otherwise a colormap must be set on them with gdk_drawable_set_colormap.
*
Private function to tell if we have RENDER extension. Thu Jan 3 22:18:15 2002 Owen Taylor <otaylor@redhat.com> * gdk/x11/gdkdrawable-x11.c gdk/x11/gdkprivate-x11.h (_gdk_x11_have_render): Private function to tell if we have RENDER extension. * gdk/x11/gdkgc-x11.c (_gdk_x11_gc_get_fg_picture): Return None if we don't have RENDER extension. * gdk/x11/gdkpango-x11.c (gdk_pango_context_get): Don't use Xft unless we have render extension. * gdk/x11/gdkdrawable-x11.c (gdk_x11_drawable_get_picture): Handle missing render extension. * gdk/gdkdraw.c gdk/gdkdrawable.h gdk/gdkpixmap.c gdk/gdkwindow.c gdk/gdkinternals.h: Add a private copy_to_image() virtual function to the GdkDrawable vtable that extends get_image() to allow copying onto existing images. Make the default implementation of get_image() use this so that backends don't have to implement both. Add private wrapper _gdk_drawable_copy_to_image(). * gdk/x11/gdkimage-x11.c gdk/x11/gdkprivate-x11.c gdk/x11/gdkdrawable-x11.c (_gdk_x11_copy_to_image): Implement copy_to_image() semantics, speed up by using ShmPixmaps and XCopyArea when possible, XFlush() after ungrabbing the server, generally redo the logic once again. * gdk/gdkinternals.h gdk/x11/gdkimage-x11.c _gdk_windowing_bits_per_depth(): Function to convert from depth to bits-per-pixel. (We assume only one bpp per depth - X requires this.) * gdk/gdkinternals.h gdk/gdkrgb.c gdk/gdkimage.c: Move the GdkRGB scratch image code into a generic _gdk_image_get_scratch() chunk of code that we can use other places we need scratch images. * gdk/gdkimage.c gdk/x11/gdkimage.c gdk/gdkinternals.h: Add _gdk_image_new_for_depth() as the backend to _gdk_image_new() to allowing creating images with a depth and no visual. * gdk/gdkpixbuf-drawable.c: Fix so that getting parts of images not at 0,0 actually works. * gdk/gdkdrawable.h gdk/gdkinternals.h gdk/gdkdraw.c gdk/gdkwindow.c gdk/gdkpixmap.c gdk/gdkpixbuf-render.c: - Add a new GdkDrawableClass vfunc _draw_pixbuf, and _gdk_draw_pixbuf() [ will be made public later ], to allow backends to accelerate drawing pixbufs. - Move the implementation of gdk_pixbuf_render_to_drawable_alpha() to be the default implementation. - Update docs for gdk_pixbuf_render_to_drawable_alpha(). - Optimize the default implementation by using _gdk_image_copy_to_pixmap() and scratch shared images, and special casing the compositing. * gdk/x11/gdkdrawable-x11.c: Accelerate _gdk_draw_pixbuf() with alpha using the RENDER extension. * gdk/gdkpixbuf-drawable.c (gdk_pixbuf_get_from_drawable): Optimize by _gdk_image_copy_to_pixmap() and scratch images. * tests/testrgb.c: Add test for speed of alpha composition, reduce the number of iterations since alpha composition can be a bit slow. * gdk/x11/gdkimage-x11.c gdk/gdkprivate-x11.h (_gdk_x11_image_get_shm_pixmap): Private function to get a ShmPixmap for an image, if possible.
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* On older X servers, rendering pixbufs with an alpha channel involves round trips
* to the X server, and may be somewhat slow.
*
2005-12-20 05:33:19 +00:00
* Deprecated: 2.4: This function is obsolete. Use gdk_draw_pixbuf() instead.
**/
void
gdk_pixbuf_render_to_drawable_alpha (GdkPixbuf *pixbuf,
GdkDrawable *drawable,
int src_x, int src_y,
int dest_x, int dest_y,
int width, int height,
GdkPixbufAlphaMode alpha_mode,
int alpha_threshold,
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_pixbuf_render_pixmap_and_mask:
Most of this patch is based on a patch by Havoc Pennington (hp@redhat.com) 2000-04-11 Federico Mena Quintero <federico@helixcode.com> Most of this patch is based on a patch by Havoc Pennington (hp@redhat.com) to make GdkPixbuf's structures opaque and to remove the libart dependency. * gdk-pixbuf/gdk-pixbuf.h: Removed the public structures. (GdkColorspace): New enum that for now only contains GDK_COLORSPACE_RGB. (GdkPixbufDestroyNotify): New type for the pixbuf's pixels destroy notification function. (GdkInterpType): New num with interpolation types. * *.[ch]: Replace the libart stuff with our own stuff. * pixops/*.[ch]: Likewise. * gdk-pixbuf/gdk-pixbuf-private.h: New file with the private declarations of the GdkPixbuf structures. * gdk-pixbuf/gdk-pixbuf.c (gdk_pixbuf_new_from_art_pixbuf): Removed function. (gdk_pixbuf_get_format): Constify. (gdk_pixbuf_get_n_channels): Constify. (gdk_pixbuf_get_has_alpha): Constify. (gdk_pixbuf_get_bits_per_sample): Constify. (gdk_pixbuf_get_pixels): Constify. (gdk_pixbuf_get_width): Constify. (gdk_pixbuf_get_height): Constify. (gdk_pixbuf_get_rowstride): Constify. * gdk-pixbuf/gdk-pixbuf.c (gdk_pixbuf_copy): New function to copy a pixbuf. * gdk-pixbuf/gdk-pixbuf-data.c (gdk_pixbuf_new_from_data): Added a bits_per_sample argument; currently only 8 bits per sample are supported. * gdk-pixbuf/gdk-pixbuf-animation.c (gdk_pixbuf_frame_get_pixbuf): New accessor. (gdk_pixbuf_frame_get_x_offset): New accessor. (gdk_pixbuf_frame_get_y_offset): New accessor. (gdk_pixbuf_frame_get_delay_time): New accessor. (gdk_pixbuf_frame_get_action): New accessor. * gdk-pixbuf/gdk-pixbuf-render.c (gdk_pixbuf_render_pixmap_and_mask): Instead of returning a solid mask rectangle for pixbufs without an alpha channel, set the *mask_return to NULL. * gdk-pixbuf/gdk-pixbuf-util.c (gdk_pixbuf_add_alpha): Constify. * gdk-pixbuf/gdk-pixbuf-scale.c: Fix includes. * gdk-pixbuf/gdk-pixbuf-scale.c (gdk_pixbuf_scale): Added some preconditions. Maybe we should also check for the colorspace, bits per pixel, and such. (gdk_pixbuf_composite): Likewise. (gdk_pixbuf_composite_color): Likewise. (gdk_pixbuf_scale_simple): Likewise, and fail gracefully if we cannot allocate the new pixbuf. (gdk_pixbuf_composite_color_simple): Likewise. * gdk-pixbuf/gnome-canvas-pixbuf.c (gnome_canvas_pixbuf_render): Use art_rgb_rgba_affine() or art_rgb_affine() since we no longer have an ArtPixBuf. * gdk-pixbuf/io-bmp.c: Fix includes. * gdk-pixbuf/pixops/pixops.c (pixops_scale_nearest): Fixed cast in an lvalue. * TODO: Populated. * configure.in: Removed checks for libart. * gdk-pixbuf/Makefile.am: Removed references to libart. (noinst_HEADERS): Added gdk-pixbuf-private.h. * gdk-pixbuf/Makefile.am (libgdk_pixbuf_la_LDFLAGS): Incremented the version number of the libtool library to indicate that this definitely is not compatible with the old usage. I know you love me. I know you do. * configure.in: Bumped version number to 0.7.0. * README: Updated. * gdk-pixbuf-config.in (--libs): We no longer require libart. * DEPENDS.libgdk_pixbuf: We no longer depend on libart. * gdk-pixbuf.spec.in: Updated, but I don't guarantee anything.
2000-04-11 07:03:25 +00:00
* @pixbuf: A pixbuf.
* @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_draw_pixbuf() and gdk_pixbuf_render_threshold_alpha().
Most of this patch is based on a patch by Havoc Pennington (hp@redhat.com) 2000-04-11 Federico Mena Quintero <federico@helixcode.com> Most of this patch is based on a patch by Havoc Pennington (hp@redhat.com) to make GdkPixbuf's structures opaque and to remove the libart dependency. * gdk-pixbuf/gdk-pixbuf.h: Removed the public structures. (GdkColorspace): New enum that for now only contains GDK_COLORSPACE_RGB. (GdkPixbufDestroyNotify): New type for the pixbuf's pixels destroy notification function. (GdkInterpType): New num with interpolation types. * *.[ch]: Replace the libart stuff with our own stuff. * pixops/*.[ch]: Likewise. * gdk-pixbuf/gdk-pixbuf-private.h: New file with the private declarations of the GdkPixbuf structures. * gdk-pixbuf/gdk-pixbuf.c (gdk_pixbuf_new_from_art_pixbuf): Removed function. (gdk_pixbuf_get_format): Constify. (gdk_pixbuf_get_n_channels): Constify. (gdk_pixbuf_get_has_alpha): Constify. (gdk_pixbuf_get_bits_per_sample): Constify. (gdk_pixbuf_get_pixels): Constify. (gdk_pixbuf_get_width): Constify. (gdk_pixbuf_get_height): Constify. (gdk_pixbuf_get_rowstride): Constify. * gdk-pixbuf/gdk-pixbuf.c (gdk_pixbuf_copy): New function to copy a pixbuf. * gdk-pixbuf/gdk-pixbuf-data.c (gdk_pixbuf_new_from_data): Added a bits_per_sample argument; currently only 8 bits per sample are supported. * gdk-pixbuf/gdk-pixbuf-animation.c (gdk_pixbuf_frame_get_pixbuf): New accessor. (gdk_pixbuf_frame_get_x_offset): New accessor. (gdk_pixbuf_frame_get_y_offset): New accessor. (gdk_pixbuf_frame_get_delay_time): New accessor. (gdk_pixbuf_frame_get_action): New accessor. * gdk-pixbuf/gdk-pixbuf-render.c (gdk_pixbuf_render_pixmap_and_mask): Instead of returning a solid mask rectangle for pixbufs without an alpha channel, set the *mask_return to NULL. * gdk-pixbuf/gdk-pixbuf-util.c (gdk_pixbuf_add_alpha): Constify. * gdk-pixbuf/gdk-pixbuf-scale.c: Fix includes. * gdk-pixbuf/gdk-pixbuf-scale.c (gdk_pixbuf_scale): Added some preconditions. Maybe we should also check for the colorspace, bits per pixel, and such. (gdk_pixbuf_composite): Likewise. (gdk_pixbuf_composite_color): Likewise. (gdk_pixbuf_scale_simple): Likewise, and fail gracefully if we cannot allocate the new pixbuf. (gdk_pixbuf_composite_color_simple): Likewise. * gdk-pixbuf/gnome-canvas-pixbuf.c (gnome_canvas_pixbuf_render): Use art_rgb_rgba_affine() or art_rgb_affine() since we no longer have an ArtPixBuf. * gdk-pixbuf/io-bmp.c: Fix includes. * gdk-pixbuf/pixops/pixops.c (pixops_scale_nearest): Fixed cast in an lvalue. * TODO: Populated. * configure.in: Removed checks for libart. * gdk-pixbuf/Makefile.am: Removed references to libart. (noinst_HEADERS): Added gdk-pixbuf-private.h. * gdk-pixbuf/Makefile.am (libgdk_pixbuf_la_LDFLAGS): Incremented the version number of the libtool library to indicate that this definitely is not compatible with the old usage. I know you love me. I know you do. * configure.in: Bumped version number to 0.7.0. * README: Updated. * gdk-pixbuf-config.in (--libs): We no longer require libart. * DEPENDS.libgdk_pixbuf: We no longer depend on libart. * gdk-pixbuf.spec.in: Updated, but I don't guarantee anything.
2000-04-11 07:03:25 +00:00
*
* 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().
*
Most of this patch is based on a patch by Havoc Pennington (hp@redhat.com) 2000-04-11 Federico Mena Quintero <federico@helixcode.com> Most of this patch is based on a patch by Havoc Pennington (hp@redhat.com) to make GdkPixbuf's structures opaque and to remove the libart dependency. * gdk-pixbuf/gdk-pixbuf.h: Removed the public structures. (GdkColorspace): New enum that for now only contains GDK_COLORSPACE_RGB. (GdkPixbufDestroyNotify): New type for the pixbuf's pixels destroy notification function. (GdkInterpType): New num with interpolation types. * *.[ch]: Replace the libart stuff with our own stuff. * pixops/*.[ch]: Likewise. * gdk-pixbuf/gdk-pixbuf-private.h: New file with the private declarations of the GdkPixbuf structures. * gdk-pixbuf/gdk-pixbuf.c (gdk_pixbuf_new_from_art_pixbuf): Removed function. (gdk_pixbuf_get_format): Constify. (gdk_pixbuf_get_n_channels): Constify. (gdk_pixbuf_get_has_alpha): Constify. (gdk_pixbuf_get_bits_per_sample): Constify. (gdk_pixbuf_get_pixels): Constify. (gdk_pixbuf_get_width): Constify. (gdk_pixbuf_get_height): Constify. (gdk_pixbuf_get_rowstride): Constify. * gdk-pixbuf/gdk-pixbuf.c (gdk_pixbuf_copy): New function to copy a pixbuf. * gdk-pixbuf/gdk-pixbuf-data.c (gdk_pixbuf_new_from_data): Added a bits_per_sample argument; currently only 8 bits per sample are supported. * gdk-pixbuf/gdk-pixbuf-animation.c (gdk_pixbuf_frame_get_pixbuf): New accessor. (gdk_pixbuf_frame_get_x_offset): New accessor. (gdk_pixbuf_frame_get_y_offset): New accessor. (gdk_pixbuf_frame_get_delay_time): New accessor. (gdk_pixbuf_frame_get_action): New accessor. * gdk-pixbuf/gdk-pixbuf-render.c (gdk_pixbuf_render_pixmap_and_mask): Instead of returning a solid mask rectangle for pixbufs without an alpha channel, set the *mask_return to NULL. * gdk-pixbuf/gdk-pixbuf-util.c (gdk_pixbuf_add_alpha): Constify. * gdk-pixbuf/gdk-pixbuf-scale.c: Fix includes. * gdk-pixbuf/gdk-pixbuf-scale.c (gdk_pixbuf_scale): Added some preconditions. Maybe we should also check for the colorspace, bits per pixel, and such. (gdk_pixbuf_composite): Likewise. (gdk_pixbuf_composite_color): Likewise. (gdk_pixbuf_scale_simple): Likewise, and fail gracefully if we cannot allocate the new pixbuf. (gdk_pixbuf_composite_color_simple): Likewise. * gdk-pixbuf/gnome-canvas-pixbuf.c (gnome_canvas_pixbuf_render): Use art_rgb_rgba_affine() or art_rgb_affine() since we no longer have an ArtPixBuf. * gdk-pixbuf/io-bmp.c: Fix includes. * gdk-pixbuf/pixops/pixops.c (pixops_scale_nearest): Fixed cast in an lvalue. * TODO: Populated. * configure.in: Removed checks for libart. * gdk-pixbuf/Makefile.am: Removed references to libart. (noinst_HEADERS): Added gdk-pixbuf-private.h. * gdk-pixbuf/Makefile.am (libgdk_pixbuf_la_LDFLAGS): Incremented the version number of the libtool library to indicate that this definitely is not compatible with the old usage. I know you love me. I know you do. * configure.in: Bumped version number to 0.7.0. * README: Updated. * gdk-pixbuf-config.in (--libs): We no longer require libart. * DEPENDS.libgdk_pixbuf: We no longer depend on libart. * gdk-pixbuf.spec.in: Updated, but I don't guarantee anything.
2000-04-11 07:03:25 +00:00
* If the pixbuf does not have an alpha channel, then *@mask_return will be set
* to %NULL.
**/
void
gdk_pixbuf_render_pixmap_and_mask (GdkPixbuf *pixbuf,
GdkPixmap **pixmap_return,
GdkBitmap **mask_return,
int alpha_threshold)
{
gdk_pixbuf_render_pixmap_and_mask_for_colormap (pixbuf,
gdk_rgb_get_colormap (),
pixmap_return, mask_return,
alpha_threshold);
}
/**
* gdk_pixbuf_render_pixmap_and_mask_for_colormap:
* @pixbuf: A pixbuf.
* @colormap: A #GdkColormap
* @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_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.
**/
void
gdk_pixbuf_render_pixmap_and_mask_for_colormap (GdkPixbuf *pixbuf,
GdkColormap *colormap,
GdkPixmap **pixmap_return,
GdkBitmap **mask_return,
int alpha_threshold)
{
Changes multihead reorganizing code for win32 support, mostly from a patch Wed Jun 5 18:34:47 2002 Owen Taylor <otaylor@redhat.com> Changes multihead reorganizing code for win32 support, mostly from a patch by Hans Breuer. * gdk/gdkcolor.c gdk/x11/gdkcolor-x11.c gdk/gdkcursor.c gdk/x11/gdkcursor-x11.c gdk/gdkevents.c gdk/x11/gdkevents-x11.c gdk/gdkfont.c gdk/x11/gdkfont-x11.c gdk/gdkkeys.c gdk/x11/gdkkeys-x11.c gdk/gdkimage.c gdk/x11/gdkimage-x11.c gdk/gdkscreen.c gdk/x11/gdkmain-x11.c gdk/gdkdisplay.c gdk/gdkevents-x11.c gdk/gdkpango.c gdk/x11/gdkpango-x11.c gdk/gdkselection.c gdk/x11/gdkselection-x11.c gdk/gdkwindow.c gdk/x11/gdkwindow-x11.c gdk/gdkvisual.c gdk/x11/gdkvisual-x11.c: Move port-independent singlehead wrapper functions into port-independent part of GDK. (#80009) * gdk/win32/gdkcolor-win32.c gdk/win32/gdkcursor-win32.c gdk/win32/gdkevents-win32.c gdk/win32/gdkfont-win32.c gdk/win32/gdkimage-win32.c gdk/win32/gdkkeys-win32.c gdk/win32/gdkmain-win32.c gdk/win32/gdkproperty-win32.c gdk/win32/gdkselection-win32.c gdk/win32/gkwindow-win32.c: Turn singlehead functions into "multihead" functions that ignore their GdkDisplay or GdkScreen arguments. * gdk/win32/gdkdrawable-win32.c gdk/win32/gdkevents-win32.c gdk/win32/gdkinput-win32.c gdk/win32/gdkprivate-win32.h: Misc multihead-compatibility changes. * gtk/gtk.def gdk/gdk.def: Update for multihead functions. * gdk/gdkcolormap.h gdk/gdkvisual.h gdk/x11/gdkcolormap-x11.c gdk/x11/gdkvisual-x11.c: Remove the screen fields from the public parts of the colormap/visual structures, add accessors instead. * gdk/gdkpixbuf-render.c gdk/gdkpixmap.c gdk/gdkrgb.c gdk/x11/gdkcolormap-x11.c gdk/x11/gdkimage-x11.c gdk/x11/gdkimage-x11.c gdk/x11/gdkprivate-x11.h gtk/gtkgc.c gtk/gtkstyle.c gtk/gtkwidget.c: Use accessors to get the screen for colormaps, visuals; move the fields into the private structures for the x11 backend. * gdk/gdkdisplay.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/gdkscreen.[ch] gdk/x11/gdkscreen-x11.c: Remove virtualization of screen and display functions. (#79990, patch from Erwann Chenede) * gdk/win32/gdkdisplay-x11.c gdk/win32/gdkscreen-win32.c gdk/win32/{Makefile.am, makefile.msc, makefile.mingw}: New files containing stub implementations of Display, Screen functions. * gdk/x11/gdkscreen-x11.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkx.h: Clean up function exports and what headers they are in. (#79954) * gdk/x11/gdkx.h: Fix macro that was referring to a non-existant screen->screen_num. (In the patch for #79972, Erwann Chenede) * gdk/gdkscreen.c gdk/gdkwindow.c gdk/x11/gdkinternals.h gdk/x11/gdkscreen-x11.c: Fix gdk_screen_get_window_at_pointer() to use window hooks. (#79972, patch partly from Erwann Chenede) * gdk/x11/gdkdisplay-x11.c gdk/x11/gdkevents-x11.c: Fix some warnings.
2002-06-06 00:26:42 +00:00
GdkScreen *screen;
g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
g_return_if_fail (GDK_IS_COLORMAP (colormap));
screen = gdk_colormap_get_screen (colormap);
if (pixmap_return)
{
GdkGC *gc;
Changes multihead reorganizing code for win32 support, mostly from a patch Wed Jun 5 18:34:47 2002 Owen Taylor <otaylor@redhat.com> Changes multihead reorganizing code for win32 support, mostly from a patch by Hans Breuer. * gdk/gdkcolor.c gdk/x11/gdkcolor-x11.c gdk/gdkcursor.c gdk/x11/gdkcursor-x11.c gdk/gdkevents.c gdk/x11/gdkevents-x11.c gdk/gdkfont.c gdk/x11/gdkfont-x11.c gdk/gdkkeys.c gdk/x11/gdkkeys-x11.c gdk/gdkimage.c gdk/x11/gdkimage-x11.c gdk/gdkscreen.c gdk/x11/gdkmain-x11.c gdk/gdkdisplay.c gdk/gdkevents-x11.c gdk/gdkpango.c gdk/x11/gdkpango-x11.c gdk/gdkselection.c gdk/x11/gdkselection-x11.c gdk/gdkwindow.c gdk/x11/gdkwindow-x11.c gdk/gdkvisual.c gdk/x11/gdkvisual-x11.c: Move port-independent singlehead wrapper functions into port-independent part of GDK. (#80009) * gdk/win32/gdkcolor-win32.c gdk/win32/gdkcursor-win32.c gdk/win32/gdkevents-win32.c gdk/win32/gdkfont-win32.c gdk/win32/gdkimage-win32.c gdk/win32/gdkkeys-win32.c gdk/win32/gdkmain-win32.c gdk/win32/gdkproperty-win32.c gdk/win32/gdkselection-win32.c gdk/win32/gkwindow-win32.c: Turn singlehead functions into "multihead" functions that ignore their GdkDisplay or GdkScreen arguments. * gdk/win32/gdkdrawable-win32.c gdk/win32/gdkevents-win32.c gdk/win32/gdkinput-win32.c gdk/win32/gdkprivate-win32.h: Misc multihead-compatibility changes. * gtk/gtk.def gdk/gdk.def: Update for multihead functions. * gdk/gdkcolormap.h gdk/gdkvisual.h gdk/x11/gdkcolormap-x11.c gdk/x11/gdkvisual-x11.c: Remove the screen fields from the public parts of the colormap/visual structures, add accessors instead. * gdk/gdkpixbuf-render.c gdk/gdkpixmap.c gdk/gdkrgb.c gdk/x11/gdkcolormap-x11.c gdk/x11/gdkimage-x11.c gdk/x11/gdkimage-x11.c gdk/x11/gdkprivate-x11.h gtk/gtkgc.c gtk/gtkstyle.c gtk/gtkwidget.c: Use accessors to get the screen for colormaps, visuals; move the fields into the private structures for the x11 backend. * gdk/gdkdisplay.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/gdkscreen.[ch] gdk/x11/gdkscreen-x11.c: Remove virtualization of screen and display functions. (#79990, patch from Erwann Chenede) * gdk/win32/gdkdisplay-x11.c gdk/win32/gdkscreen-win32.c gdk/win32/{Makefile.am, makefile.msc, makefile.mingw}: New files containing stub implementations of Display, Screen functions. * gdk/x11/gdkscreen-x11.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkx.h: Clean up function exports and what headers they are in. (#79954) * gdk/x11/gdkx.h: Fix macro that was referring to a non-existant screen->screen_num. (In the patch for #79972, Erwann Chenede) * gdk/gdkscreen.c gdk/gdkwindow.c gdk/x11/gdkinternals.h gdk/x11/gdkscreen-x11.c: Fix gdk_screen_get_window_at_pointer() to use window hooks. (#79972, patch partly from Erwann Chenede) * gdk/x11/gdkdisplay-x11.c gdk/x11/gdkevents-x11.c: Fix some warnings.
2002-06-06 00:26:42 +00:00
*pixmap_return = gdk_pixmap_new (gdk_screen_get_root_window (screen),
Start of integration of Erwann Chenede's multihead work from the Thu Apr 25 16:51:40 2002 Owen Taylor <otaylor@redhat.com> Start of integration of Erwann Chenede's multihead work from the gtk-multihead branch. * gdk/gdkdisplay.[ch] gdk/gdkscreen.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkscreen-x11.[ch] New classes representing a set of screens with attached input devices and a single contiguous area, respectively. * gdk/gdk.[ch] gdk/gdkinternals.h gdk/x11/gdkmain-x11.c: gdk/x11/gdkprivate-x11.h: Make the initialization interface simple _gdk_windowing_init() and do the rest in gdk_open_display() calls. * gdk/gdk.[ch]: Add gdk_parse_args() which can be used to do the display-independent part of initialization instead of gdk_init_[check]. * gdk/gdkcursor.h gdk/gdkfont.h gdk/gdkkeys.h gdk/gdkpixmap.h gdk/gdkproperty.h gdk/gdkselection.h gdk/gdkwindow.h: Add multihead variants (_for_display(), for_screen()) of functions getting information specific to a particular screen screen or display. * gdk/gdkscreen.[ch]: Add gdk_screen__* variants of functions like gdk_rgb_get_colormap() that used to get/list global objects. * gdk/x11/gdkx.h: Add functions for converting GdkScreen and GdkDisplay into the X equivalents. * gdk/x11/gdkwindow-x11.c: Removed gdk_window_xid_at_coords() not in the headers and unused. * configure.in gdk/x11/{gxid.c,gxid_lib.[ch],gdkinput-gxi.c}: Remove gxid support ... has not been tested for a long time... "xfree" support is more portable to non XFree86. * gdk/**.h: Add a GDK_MULTIHEAD_SAFE define that can be used to turn off functions that are inherently non-multihead safe. * gdk/**.c: add GDK_NOTE(multihead, ...) calls when functions are used in non-multihead-safe ways. * gdk/*.c gdk/x11/*.c: Changes to make the internals of GDK multihead safe.
2002-04-25 22:29:14 +00:00
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf),
gdk_colormap_get_visual (colormap)->depth);
Start of integration of Erwann Chenede's multihead work from the Thu Apr 25 16:51:40 2002 Owen Taylor <otaylor@redhat.com> Start of integration of Erwann Chenede's multihead work from the gtk-multihead branch. * gdk/gdkdisplay.[ch] gdk/gdkscreen.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkscreen-x11.[ch] New classes representing a set of screens with attached input devices and a single contiguous area, respectively. * gdk/gdk.[ch] gdk/gdkinternals.h gdk/x11/gdkmain-x11.c: gdk/x11/gdkprivate-x11.h: Make the initialization interface simple _gdk_windowing_init() and do the rest in gdk_open_display() calls. * gdk/gdk.[ch]: Add gdk_parse_args() which can be used to do the display-independent part of initialization instead of gdk_init_[check]. * gdk/gdkcursor.h gdk/gdkfont.h gdk/gdkkeys.h gdk/gdkpixmap.h gdk/gdkproperty.h gdk/gdkselection.h gdk/gdkwindow.h: Add multihead variants (_for_display(), for_screen()) of functions getting information specific to a particular screen screen or display. * gdk/gdkscreen.[ch]: Add gdk_screen__* variants of functions like gdk_rgb_get_colormap() that used to get/list global objects. * gdk/x11/gdkx.h: Add functions for converting GdkScreen and GdkDisplay into the X equivalents. * gdk/x11/gdkwindow-x11.c: Removed gdk_window_xid_at_coords() not in the headers and unused. * configure.in gdk/x11/{gxid.c,gxid_lib.[ch],gdkinput-gxi.c}: Remove gxid support ... has not been tested for a long time... "xfree" support is more portable to non XFree86. * gdk/**.h: Add a GDK_MULTIHEAD_SAFE define that can be used to turn off functions that are inherently non-multihead safe. * gdk/**.c: add GDK_NOTE(multihead, ...) calls when functions are used in non-multihead-safe ways. * gdk/*.c gdk/x11/*.c: Changes to make the internals of GDK multihead safe.
2002-04-25 22:29:14 +00:00
gdk_drawable_set_colormap (GDK_DRAWABLE (*pixmap_return), colormap);
gc = _gdk_drawable_get_scratch_gc (*pixmap_return, FALSE);
/* If the pixbuf has an alpha channel, using gdk_pixbuf_draw would give
* random pixel values in the area that are within the mask, but semi-
* transparent. So we treat the pixbuf like a pixbuf without alpha channel;
* see bug #487865.
*/
if (gdk_pixbuf_get_has_alpha (pixbuf))
gdk_draw_rgb_32_image (*pixmap_return, gc,
0, 0,
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf),
GDK_RGB_DITHER_NORMAL,
gdk_pixbuf_get_pixels (pixbuf), gdk_pixbuf_get_rowstride (pixbuf));
else
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))
{
Changes multihead reorganizing code for win32 support, mostly from a patch Wed Jun 5 18:34:47 2002 Owen Taylor <otaylor@redhat.com> Changes multihead reorganizing code for win32 support, mostly from a patch by Hans Breuer. * gdk/gdkcolor.c gdk/x11/gdkcolor-x11.c gdk/gdkcursor.c gdk/x11/gdkcursor-x11.c gdk/gdkevents.c gdk/x11/gdkevents-x11.c gdk/gdkfont.c gdk/x11/gdkfont-x11.c gdk/gdkkeys.c gdk/x11/gdkkeys-x11.c gdk/gdkimage.c gdk/x11/gdkimage-x11.c gdk/gdkscreen.c gdk/x11/gdkmain-x11.c gdk/gdkdisplay.c gdk/gdkevents-x11.c gdk/gdkpango.c gdk/x11/gdkpango-x11.c gdk/gdkselection.c gdk/x11/gdkselection-x11.c gdk/gdkwindow.c gdk/x11/gdkwindow-x11.c gdk/gdkvisual.c gdk/x11/gdkvisual-x11.c: Move port-independent singlehead wrapper functions into port-independent part of GDK. (#80009) * gdk/win32/gdkcolor-win32.c gdk/win32/gdkcursor-win32.c gdk/win32/gdkevents-win32.c gdk/win32/gdkfont-win32.c gdk/win32/gdkimage-win32.c gdk/win32/gdkkeys-win32.c gdk/win32/gdkmain-win32.c gdk/win32/gdkproperty-win32.c gdk/win32/gdkselection-win32.c gdk/win32/gkwindow-win32.c: Turn singlehead functions into "multihead" functions that ignore their GdkDisplay or GdkScreen arguments. * gdk/win32/gdkdrawable-win32.c gdk/win32/gdkevents-win32.c gdk/win32/gdkinput-win32.c gdk/win32/gdkprivate-win32.h: Misc multihead-compatibility changes. * gtk/gtk.def gdk/gdk.def: Update for multihead functions. * gdk/gdkcolormap.h gdk/gdkvisual.h gdk/x11/gdkcolormap-x11.c gdk/x11/gdkvisual-x11.c: Remove the screen fields from the public parts of the colormap/visual structures, add accessors instead. * gdk/gdkpixbuf-render.c gdk/gdkpixmap.c gdk/gdkrgb.c gdk/x11/gdkcolormap-x11.c gdk/x11/gdkimage-x11.c gdk/x11/gdkimage-x11.c gdk/x11/gdkprivate-x11.h gtk/gtkgc.c gtk/gtkstyle.c gtk/gtkwidget.c: Use accessors to get the screen for colormaps, visuals; move the fields into the private structures for the x11 backend. * gdk/gdkdisplay.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/gdkscreen.[ch] gdk/x11/gdkscreen-x11.c: Remove virtualization of screen and display functions. (#79990, patch from Erwann Chenede) * gdk/win32/gdkdisplay-x11.c gdk/win32/gdkscreen-win32.c gdk/win32/{Makefile.am, makefile.msc, makefile.mingw}: New files containing stub implementations of Display, Screen functions. * gdk/x11/gdkscreen-x11.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkx.h: Clean up function exports and what headers they are in. (#79954) * gdk/x11/gdkx.h: Fix macro that was referring to a non-existant screen->screen_num. (In the patch for #79972, Erwann Chenede) * gdk/gdkscreen.c gdk/gdkwindow.c gdk/x11/gdkinternals.h gdk/x11/gdkscreen-x11.c: Fix gdk_screen_get_window_at_pointer() to use window hooks. (#79972, patch partly from Erwann Chenede) * gdk/x11/gdkdisplay-x11.c gdk/x11/gdkevents-x11.c: Fix some warnings.
2002-06-06 00:26:42 +00:00
*mask_return = gdk_pixmap_new (gdk_screen_get_root_window (screen),
Start of integration of Erwann Chenede's multihead work from the Thu Apr 25 16:51:40 2002 Owen Taylor <otaylor@redhat.com> Start of integration of Erwann Chenede's multihead work from the gtk-multihead branch. * gdk/gdkdisplay.[ch] gdk/gdkscreen.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkscreen-x11.[ch] New classes representing a set of screens with attached input devices and a single contiguous area, respectively. * gdk/gdk.[ch] gdk/gdkinternals.h gdk/x11/gdkmain-x11.c: gdk/x11/gdkprivate-x11.h: Make the initialization interface simple _gdk_windowing_init() and do the rest in gdk_open_display() calls. * gdk/gdk.[ch]: Add gdk_parse_args() which can be used to do the display-independent part of initialization instead of gdk_init_[check]. * gdk/gdkcursor.h gdk/gdkfont.h gdk/gdkkeys.h gdk/gdkpixmap.h gdk/gdkproperty.h gdk/gdkselection.h gdk/gdkwindow.h: Add multihead variants (_for_display(), for_screen()) of functions getting information specific to a particular screen screen or display. * gdk/gdkscreen.[ch]: Add gdk_screen__* variants of functions like gdk_rgb_get_colormap() that used to get/list global objects. * gdk/x11/gdkx.h: Add functions for converting GdkScreen and GdkDisplay into the X equivalents. * gdk/x11/gdkwindow-x11.c: Removed gdk_window_xid_at_coords() not in the headers and unused. * configure.in gdk/x11/{gxid.c,gxid_lib.[ch],gdkinput-gxi.c}: Remove gxid support ... has not been tested for a long time... "xfree" support is more portable to non XFree86. * gdk/**.h: Add a GDK_MULTIHEAD_SAFE define that can be used to turn off functions that are inherently non-multihead safe. * gdk/**.c: add GDK_NOTE(multihead, ...) calls when functions are used in non-multihead-safe ways. * gdk/*.c gdk/x11/*.c: Changes to make the internals of GDK multihead safe.
2002-04-25 22:29:14 +00:00
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf), 1);
gdk_pixbuf_render_threshold_alpha (pixbuf, *mask_return,
0, 0, 0, 0,
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf),
alpha_threshold);
}
else
*mask_return = NULL;
}
}
#define __GDK_PIXBUF_RENDER_C__
#include "gdkaliasdef.c"
Switch set_cairo_target() virtual function to ref_cairo_surface() 2005-03-15 Owen Taylor <otaylor@redhat.com> * gdk/gdkdrawable.h gdk/gdkdraw.c gdk/gdkpixmap.c gdk/gdkwindow.c gdk/x11/gdkdrawable-x11.c gdk/x11/gdkpixmap-x11.c gdk/x11/gdkwindow-x11.c gdk/gdkinternals.h: Switch set_cairo_target() virtual function to ref_cairo_surface() * gdk/gdkdrawable.h gdk/gdkdraw.h: Switch set_cairo_target() virtual function to create_cairo_context() * gdk/gdkwindow.c: Clear double buffer pixmaps with Cairo. * gdk/x11/gdkwindow-x11.c: Keep all components in GdkWindowObject.bg_color, not just the pixel. * tests/testcairo.c: Update for create_cairo_context() * gdk/gdkdraw.c (gdk_draw_trapezoids, gdk_draw_glyphs[_transformed]): Reimplement in terms of Cairo, bypass the vtable entries. * gdk/x11/gdkdrawable-x11.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkgc-x11.c gdk/x11/gdkpango-x11.c gdk/x11/gdkprivate-x11.h gdk/x11/Makefile.am: Remove implementation of draw_trapezoids / draw_glyphs[_transformed]. * gdk/gdkpango.c: Switch GdkPangoRenderer to use Cairo * gdk/gdkpango.c gdk/x11/gdkpango-x11.c: Move gdk_pango_context_get_for_screen() into the backend independent code. * gdk/x11/gdkdrawable-x11.[ch]: Remove Xft use, use RENDER directly for drawing images. * gdk/gdkdrawable.h gdk/x11/gdkdrawable-x11.c: Remove gdk_draw_rectangle_alpha_libgtk_only. * gdk/gdkpixbuf.h gdk/gdkpixbuf-render.c: Add gdk_pixbuf_set_as_cairo_source() * gdk/gdk.symbols: Update * gtk/gtkcolorsel.c gtk/gtkhsv.c gtk/gtkiconview.c gtk/gtkruler.[ch] gtk/gtk[hv]ruler.c: Convert to Cairo rendering. * gtk/gtkstyle.c (gtk_default_draw_check, gtk_default_draw_focus, gtk_default_draw_option): Switch to Cairo. Simplify the checkbutton, radio button style for now to get something more scalable. * gtk/gtksettings.c: #if 0 out the code to use PangoXft for hinting/ antialiasing/dpi settings.
2005-03-17 01:54:40 +00:00