1 /*
   2  * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include "config.h"
  27 
  28 #include <wtf/text/WTFString.h>
  29 
  30 #include "ImageObserver.h"
  31 #include "BufferImageJava.h"
  32 #include "PlatformContextJava.h"
  33 
  34 #include "com_sun_webkit_graphics_GraphicsDecoder.h"
  35 
  36 namespace WebCore {
  37 
  38 BufferImage::BufferImage(RefPtr<RQRef> rqoImage, RefPtr<RenderingQueue> rq, int w, int h)
  39     : Image(),
  40       m_width(w),
  41       m_height(h),
  42       m_rq(rq),
  43       m_rqoImage(rqoImage)
  44 {}
  45 
  46 NativeImagePtr BufferImage::nativeImageForCurrentFrame(const GraphicsContext*)
  47 {
  48     m_rq->flushBuffer();
  49     return m_rqoImage;
  50 }
  51 
  52 void BufferImage::flushImageRQ(GraphicsContext& gc)
  53 {
  54     if (gc.paintingDisabled()) {
  55         return;
  56     }
  57 
  58     RenderingQueue &rqScreen = gc.platformContext()->rq();
  59 
  60     if (!m_rq->isEmpty()) {
  61         // 1. Drawing is flushed to the buffered image's RenderQueue.
  62         m_rq->flushBuffer();
  63 
  64         // 2. The buffered image's RenderQueue is to be decoded.
  65         rqScreen.freeSpace(8)
  66         << (jint)com_sun_webkit_graphics_GraphicsDecoder_DECODERQ
  67         << m_rq->getRQRenderingQueue();
  68     }
  69 }
  70 
  71 ImageDrawResult BufferImage::draw(GraphicsContext& gc, const FloatRect& dstRect,
  72                        const FloatRect& srcRect, CompositeOperator co, BlendMode bm, DecodingMode, ImageOrientationDescription)
  73 {
  74     flushImageRQ(gc);
  75     Image::drawImage(gc, dstRect, srcRect, co, bm);
  76     return ImageDrawResult::DidDraw;
  77 }
  78 
  79 void BufferImage::drawPattern(GraphicsContext& gc, const FloatRect& dstRect, const FloatRect& srcRect, const AffineTransform& patternTransform,
  80                         const FloatPoint& phase, const FloatSize& spacing, CompositeOperator co, BlendMode bm)
  81 {
  82     flushImageRQ(gc);
  83     Image::drawPattern(gc, dstRect, srcRect, patternTransform,
  84                         phase, spacing, co, bm);
  85 }
  86 
  87 
  88 } // namespace WebCore