94f0278d47
- Moving code around for Fl_Double_Window, but not yet happy - Tested CMake for Android cross compilation. Very happy! git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11142 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
//
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// "$Id$"
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//
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// Rectangle drawing routines for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2012 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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#include <config.h>
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#include "../../config_lib.h"
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#include "Fl_Xlib_Graphics_Driver.h"
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#if HAVE_XRENDER
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#include <X11/extensions/Xrender.h>
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#endif
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const char *Fl_Xlib_Graphics_Driver::class_id = "Fl_Xlib_Graphics_Driver";
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/*
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* By linking this module, the following static method will instatiate the
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* X11 Xlib Graphics driver as the main display driver.
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*/
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Fl_Graphics_Driver *Fl_Graphics_Driver::newMainGraphicsDriver()
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{
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return new Fl_Xlib_Graphics_Driver();
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}
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char Fl_Xlib_Graphics_Driver::can_do_alpha_blending() {
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return Fl_X::xrender_supported();
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}
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void Fl_Xlib_Graphics_Driver::copy_offscreen(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy) {
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XCopyArea(fl_display, pixmap, fl_window, fl_gc, srcx, srcy, w, h, x, y);
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}
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void Fl_Xlib_Graphics_Driver::copy_offscreen_with_alpha(int x, int y, int w, int h,
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Fl_Offscreen pixmap, int srcx, int srcy) {
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#if HAVE_XRENDER
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XRenderPictureAttributes srcattr;
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memset(&srcattr, 0, sizeof(XRenderPictureAttributes));
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static XRenderPictFormat *srcfmt = XRenderFindStandardFormat(fl_display, PictStandardARGB32);
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static XRenderPictFormat *dstfmt = XRenderFindStandardFormat(fl_display, PictStandardRGB24);
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Picture src = XRenderCreatePicture(fl_display, pixmap, srcfmt, 0, &srcattr);
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Picture dst = XRenderCreatePicture(fl_display, fl_window, dstfmt, 0, &srcattr);
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if (!src || !dst) {
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fprintf(stderr, "Failed to create Render pictures (%lu %lu)\n", src, dst);
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return;
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}
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const Fl_Region clipr = fl_clip_region();
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if (clipr)
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XRenderSetPictureClipRegion(fl_display, dst, clipr);
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XRenderComposite(fl_display, PictOpOver, src, None, dst, srcx, srcy, 0, 0,
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x, y, w, h);
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XRenderFreePicture(fl_display, src);
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XRenderFreePicture(fl_display, dst);
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#endif
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}
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//
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// End of "$Id$".
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//
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