зеркало из https://github.com/mozilla/pjs.git
fix for bug 77645 r=syd, sr=brendan.
This commit is contained in:
pavlov%netscape.com
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2fd5a2eb77
Коммит
78615b4fd1
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@ -1,204 +0,0 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 2001 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@netscape.com>
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* Syd Logan <syd@netscape.com>
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*/
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#include "drawers.h"
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#ifdef HAVE_XIE
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#include <stdio.h>
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#include <gdk/gdk.h>
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#include <gdk/gdkx.h>
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#include <X11/extensions/XIElib.h>
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/*#define DEBUG_XIE 1*/
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static PRBool inited = PR_FALSE;
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static XiePhotospace gPhotospace;
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static XiePhotoElement *photoElement;
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static void
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DoFlo(Display *display,
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Drawable aDest,
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GC aGC,
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Drawable aSrc,
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PRInt32 aSrcWidth,
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PRInt32 aSrcHeight,
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PRInt32 aSX,
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PRInt32 aSY,
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PRInt32 aSWidth,
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PRInt32 aSHeight,
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PRInt32 aDX,
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PRInt32 aDY,
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PRInt32 aDWidth,
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PRInt32 aDHeight)
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{
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XieExtensionInfo *info;
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float coeffs[6];
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XieConstant constant;
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XiePhototag idx = 0, src;
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/* create the pretty flo graph */
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/* import */
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XieFloImportDrawable(&photoElement[idx], aSrc,
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aSX, aSY, aSWidth, aSHeight,
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0, PR_FALSE);
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++idx;
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src = idx;
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/* do the scaling stuff */
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coeffs[0] = (float)aSrcWidth / (float)aDWidth;
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coeffs[1] = 0.0;
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coeffs[2] = 0.0;
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coeffs[3] = (float)aSrcHeight / (float)aDHeight;
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coeffs[4] = 0.0;
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coeffs[5] = 0.0;
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constant[0] = 128.0;
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constant[1] = 128.0;
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constant[2] = 128.0;
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XieFloGeometry(&photoElement[idx], src, aDWidth, aDHeight,
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coeffs,
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constant,
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0x07,
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xieValGeomNearestNeighbor,
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NULL);
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++idx;
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/* export */
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XieFloExportDrawable(&photoElement[idx], idx, aDest, aGC,
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(aDX - aSX),
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(aDY - aSY));
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++idx;
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/* do the scale thing baby */
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XieExecuteImmediate(display, gPhotospace, 1, PR_FALSE, photoElement, idx);
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/*
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XieFreePhotofloGraph(photoElement, 3);
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*/
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#ifdef DEBUG_XIE
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gdk_flush();
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#endif
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}
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PRBool
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DrawScaledImageXIE(Display *display,
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GdkDrawable *aDest,
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GdkGC *aGC,
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GdkDrawable *aSrc,
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GdkDrawable *aSrcMask,
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PRInt32 aSrcWidth,
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PRInt32 aSrcHeight,
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PRInt32 aSX,
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PRInt32 aSY,
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PRInt32 aSWidth,
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PRInt32 aSHeight,
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PRInt32 aDX,
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PRInt32 aDY,
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PRInt32 aDWidth,
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PRInt32 aDHeight)
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{
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Drawable importDrawable = GDK_WINDOW_XWINDOW(aSrc);
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Drawable exportDrawable = GDK_WINDOW_XWINDOW(aDest);
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GdkPixmap *alphaMask = NULL;
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GdkGC *gc = NULL;
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#ifdef DEBUG_XIE
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printf("DrawScaledImageXIE\n");
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#endif
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if (!inited) {
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XieExtensionInfo *info;
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if (!XieInitialize(display, &info))
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return PR_FALSE;
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inited = PR_TRUE;
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/* create the photospace (we only need to do this once) */
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gPhotospace = XieCreatePhotospace(display);
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photoElement = XieAllocatePhotofloGraph(3);
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/* XXX we want to destroy this at shutdown
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XieDestroyPhotospace(display, photospace);
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*/
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}
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if (aSrcMask) {
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Drawable destMask;
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#ifdef DEBUG_XIE
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fprintf(stderr, "DrawScaledImageXIE with alpha mask\n");
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#endif
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alphaMask = gdk_pixmap_new(aSrcMask, aDWidth, aDHeight, 1);
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destMask = GDK_WINDOW_XWINDOW(alphaMask);
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gc = gdk_gc_new(alphaMask);
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/* run the flo on the alpha mask to get a scaled alpha mask */
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DoFlo(display, destMask, GDK_GC_XGC(gc), GDK_WINDOW_XWINDOW(aSrcMask),
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aSrcWidth, aSrcHeight,
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aSX, aSY, aSWidth, aSHeight,
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aDX, aDY, aDWidth, aDHeight);
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gdk_gc_unref(gc);
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gc = gdk_gc_new(aDest);
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gdk_gc_copy(gc, aGC);
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gdk_gc_set_clip_mask(gc, alphaMask);
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gdk_gc_set_clip_origin(gc, aDX + aSX, aDY + aSY);
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}
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if (!gc) {
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gc = aGC;
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gdk_gc_ref(gc);
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}
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/* run the flo on the image to get a the scaled image */
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DoFlo(display, exportDrawable, GDK_GC_XGC(gc), importDrawable,
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aSrcWidth, aSrcHeight,
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aSX, aSY, aSWidth, aSHeight,
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aDX, aDY, aDWidth, aDHeight);
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if (alphaMask)
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gdk_pixmap_unref(alphaMask);
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gdk_gc_unref(gc);
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return PR_TRUE;
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}
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#endif
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