1 files changed, 0 insertions, 398 deletions

diff --git a/contrib/gdk-pixbuf-xlib/gdk-pixbuf-xlib-render.c b/contrib/gdk-pixbuf-xlib/gdk-pixbuf-xlib-render.c
deleted file mode 100644
index b70f8bfdd2..0000000000
--- a/contrib/gdk-pixbuf-xlib/gdk-pixbuf-xlib-render.c
+++ /dev/null
@@ -1,398 +0,0 @@
-/* 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 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.
- */
-
-/* Trivially ported to Xlib(RGB) by John Harper. */
-
-#include "config.h"
-#include "gdk-pixbuf-private.h"
-#include "gdk-pixbuf-xlib-private.h"
-
-
-
-/**
- * gdk_pixbuf_xlib_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.
- * @height: Height of region to threshold.
- * @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_xlib_render_threshold_alpha (GdkPixbuf *pixbuf, Pixmap bitmap,
-					int src_x, int src_y,
-					int dest_x, int dest_y,
-					int width, int height,
-					int alpha_threshold)
-{
-	GC gc;
-	XColor color;
-	int x, y;
-	guchar *p;
-	int start, start_status;
-	int status;
-	XGCValues gcv;
-
-	g_return_if_fail (pixbuf != NULL);
-	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 (bitmap != 0);
-	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 = XCreateGC (gdk_pixbuf_dpy, bitmap, 0, &gcv);
-
-	if (!pixbuf->has_alpha) {
-		color.pixel = (alpha_threshold == 255) ? 0 : 1;
-		XSetForeground (gdk_pixbuf_dpy, gc, color.pixel);
-		XFillRectangle (gdk_pixbuf_dpy, bitmap, gc,
-				dest_x, dest_y, width, height);
-		XFreeGC (gdk_pixbuf_dpy, gc);
-		return;
-	}
-
-	color.pixel = 0;
-	XSetForeground (gdk_pixbuf_dpy, gc, color.pixel);
-	XFillRectangle (gdk_pixbuf_dpy, bitmap, gc,
-			dest_x, dest_y, width, height);
-
-	color.pixel = 1;
-	XSetForeground (gdk_pixbuf_dpy, gc, color.pixel);
-
-	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)
-					XDrawLine (gdk_pixbuf_dpy, 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)
-			XDrawLine (gdk_pixbuf_dpy, bitmap, gc,
-				   start + dest_x, y + dest_y,
-				   x - 1 + dest_x, y + dest_y);
-	}
-
-	XFreeGC (gdk_pixbuf_dpy, gc);
-}
-
-
-
-/* Creates a buffer by stripping the alpha channel of a pixbuf */
-static guchar *
-remove_alpha (GdkPixbuf *pixbuf, int x, int y, int width, int height, int *rowstride)
-{
-	guchar *buf;
-	int xx, yy;
-	guchar *src, *dest;
-
-	g_assert (pixbuf->n_channels == 4);
-	g_assert (pixbuf->has_alpha);
-	g_assert (width > 0 && height > 0);
-	g_assert (x >= 0 && x + width <= pixbuf->width);
-	g_assert (y >= 0 && y + height <= pixbuf->height);
-
-	*rowstride = 4 * ((width * 3 + 3) / 4);
-
-	buf = g_new (guchar, *rowstride * height);
-
-	for (yy = 0; yy < height; yy++) {
-		src = pixbuf->pixels + pixbuf->rowstride * (yy + y) + x * pixbuf->n_channels;
-		dest = buf + *rowstride * yy;
-
-		for (xx = 0; xx < width; xx++) {
-			*dest++ = *src++;
-			*dest++ = *src++;
-			*dest++ = *src++;
-			src++;
-		}
-	}
-
-	return buf;
-}
-
-/**
- * gdk_pixbuf_xlib_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.
- * @height: Height of region to render, in pixels.
- * @dither: Dithering mode for XlibRGB.
- * @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 XlibRGB, so the specified drawable must
- * have the XlibRGB 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.
- *
- * For an explanation of dither offsets, see the XlibRGB 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.
- **/
-void
-gdk_pixbuf_xlib_render_to_drawable (GdkPixbuf *pixbuf,
-				    Drawable drawable, GC gc,
-				    int src_x, int src_y,
-				    int dest_x, int dest_y,
-				    int width, int height,
-				    XlibRgbDither dither,
-				    int x_dither, int y_dither)
-{
-	guchar *buf;
-	int rowstride;
-
-	g_return_if_fail (pixbuf != NULL);
-	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 != 0);
-	g_return_if_fail (gc != 0);
-
-	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;
-
-	/* This will have to be modified once we support other image types.
-	 * Also, GdkRGB does not have gdk_draw_rgb_32_image_dithalign(), so we
-	 * have to pack the buffer first.  Sigh.
-	 */
-
-	if (pixbuf->has_alpha)
-		buf = remove_alpha (pixbuf, src_x, src_y, width, height, &rowstride);
-	else {
-		buf = pixbuf->pixels + src_y * pixbuf->rowstride + src_x * 3;
-		rowstride = pixbuf->rowstride;
-	}
-
-	xlib_draw_rgb_image_dithalign (drawable, gc,
-				       dest_x, dest_y,
-				       width, height,
-				       dither,
-				       buf, rowstride,
-				       x_dither, y_dither);
-
-	if (pixbuf->has_alpha)
-		g_free (buf);
-}
-
-
-
-/**
- * gdk_pixbuf_xlib_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.
- * @height: Height of region to render, in pixels.
- * @alpha_mode: If the image does not have opacity information, this is ignored.
- * Otherwise, specifies how to handle transparency when rendering.
- * @alpha_threshold: If the image does have opacity information and @alpha_mode
- * is GDK_PIXBUF_ALPHA_BILEVEL, specifies the threshold value for opacity
- * values.
- * @dither: Dithering mode for XlibRGB.
- * @x_dither: X offset for dither.
- * @y_dither: Y offset for dither.
- *
- * Renders a rectangular portion of a pixbuf to a drawable.  This is done using
- * XlibRGB, so the specified drawable must have the XlibRGB visual and colormap.
- *
- * When used with #GDK_PIXBUF_ALPHA_BILEVEL, this function has to create a bitmap
- * out of the thresholded alpha channel of the image and, it has to set this
- * bitmap as the clipping mask for the GC used for drawing.  This can be a
- * significant performance penalty depending on the size and the complexity of
- * the alpha channel of the image.  If performance is crucial, consider handling
- * the alpha channel yourself (possibly by caching it in your application) and
- * using gdk_pixbuf_xlib_render_to_drawable() or GdkRGB directly instead.
- **/
-void
-gdk_pixbuf_xlib_render_to_drawable_alpha (GdkPixbuf *pixbuf, Drawable drawable,
-					  int src_x, int src_y,
-					  int dest_x, int dest_y,
-					  int width, int height,
-					  GdkPixbufAlphaMode alpha_mode,
-					  int alpha_threshold,
-					  XlibRgbDither dither,
-					  int x_dither, int y_dither)
-{
-	Pixmap bitmap = 0;
-	GC gc;
-	XGCValues gcv;
-
-	g_return_if_fail (pixbuf != NULL);
-	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 != 0);
-	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;
-
-	gc = XCreateGC (gdk_pixbuf_dpy, drawable, 0, &gcv);
-
-	if (pixbuf->has_alpha) {
-		/* Right now we only support GDK_PIXBUF_ALPHA_BILEVEL, so we
-		 * unconditionally create the clipping mask.
-		 */
-
-		bitmap = XCreatePixmap (gdk_pixbuf_dpy,
-					RootWindow (gdk_pixbuf_dpy,
-						    gdk_pixbuf_screen),
-					width, height, 1);
-		gdk_pixbuf_xlib_render_threshold_alpha (pixbuf, bitmap,
-							src_x, src_y,
-							0, 0,
-							width, height,
-							alpha_threshold);
-
-		XSetClipMask (gdk_pixbuf_dpy, gc, bitmap);
-		XSetClipOrigin (gdk_pixbuf_dpy, gc, dest_x, dest_y);
-	}
-
-	gdk_pixbuf_xlib_render_to_drawable (pixbuf, drawable, gc,
-					    src_x, src_y,
-					    dest_x, dest_y,
-					    width, height,
-					    dither,
-					    x_dither, y_dither);
-
-	if (bitmap)
-	        XFreePixmap (gdk_pixbuf_dpy, bitmap);
-
-	XFreeGC (gdk_pixbuf_dpy, gc);
-}
-
-/**
- * gdk_pixbuf_xlib_render_pixmap_and_mask:
- * @pixbuf: A pixbuf.
- * @pixmap_return: Return value for the created pixmap.
- * @mask_return: Return value for the created mask.
- * @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_xlib_render_to_drawable_alpha() or
- * gdk_pixbuf_xlib_render_to_drawable(), and
- * gdk_pixbuf_xlib_render_threshold_alpha().
- *
- * If the pixbuf does not have an alpha channel, then *@mask_return will be set
- * to None.
- **/
-void
-gdk_pixbuf_xlib_render_pixmap_and_mask (GdkPixbuf *pixbuf,
-					Pixmap *pixmap_return,
-					Pixmap *mask_return,
-					int alpha_threshold)
-{
-        g_return_if_fail (pixbuf != NULL);
-
-	if (pixmap_return) {
-		GC gc;
-		XGCValues gcv;
-
-		*pixmap_return = XCreatePixmap (gdk_pixbuf_dpy,
-						RootWindow (gdk_pixbuf_dpy,
-							    gdk_pixbuf_screen),
-						pixbuf->width,
-						pixbuf->height,
-						xlib_rgb_get_depth ());
-		gc = XCreateGC (gdk_pixbuf_dpy, *pixmap_return, 0, &gcv);
-		gdk_pixbuf_xlib_render_to_drawable (pixbuf, *pixmap_return, gc,
-						    0, 0, 0, 0,
-						    pixbuf->width,
-						    pixbuf->height,
-						    XLIB_RGB_DITHER_NORMAL,
-						    0, 0);
-		XFreeGC (gdk_pixbuf_dpy, gc);
-	}
-
-	if (mask_return) {
-		if (pixbuf->has_alpha) {
-		    *mask_return = XCreatePixmap (gdk_pixbuf_dpy,
-						  RootWindow (gdk_pixbuf_dpy,
-							      gdk_pixbuf_screen),
-						  pixbuf->width,
-						  pixbuf->height, 1);
-		    gdk_pixbuf_xlib_render_threshold_alpha (pixbuf,
-							    *mask_return,
-							    0, 0, 0, 0,
-							    pixbuf->width,
-							    pixbuf->height,
-							    alpha_threshold);
-		} else
-			*mask_return = 0;
-	}
-}