1 /*
   2  * Copyright (c) 2011, 2018, 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 "NotImplemented.h"
  29 
  30 #include "BitmapImage.h"
  31 #include "Image.h"
  32 #include "ImageObserver.h"
  33 #include "ImageBuffer.h"
  34 #include "FloatRect.h"
  35 #include "GraphicsContext.h"
  36 #include "TransformationMatrix.h"
  37 #include <wtf/java/JavaEnv.h>
  38 #include "com_sun_webkit_graphics_GraphicsDecoder.h"
  39 #include "GraphicsContextJava.h"
  40 #include "PlatformContextJava.h"
  41 #include "Logging.h"
  42 
  43 class ImageBuffer;
  44 
  45 namespace WebCore {
  46 
  47 void Image::drawImage(GraphicsContext& gc, const FloatRect &dstRect, const FloatRect &srcRect,
  48                        CompositeOperator, BlendMode)
  49 {
  50     if (gc.paintingDisabled()) {
  51         return;
  52     }
  53 
  54     NativeImagePtr currFrame = nativeImageForCurrentFrame();
  55     if (!currFrame) {
  56         return;
  57     }
  58 
  59     gc.platformContext()->rq().freeSpace(72)
  60     << (jint)com_sun_webkit_graphics_GraphicsDecoder_DRAWIMAGE
  61     << currFrame
  62     << dstRect.x() << dstRect.y()
  63     << dstRect.width() << dstRect.height()
  64     << srcRect.x() << srcRect.y()
  65     << srcRect.width() << srcRect.height();
  66 
  67     if (imageObserver())
  68         imageObserver()->didDraw(*this);
  69 }
  70 
  71 Ref<Image> Image::loadPlatformResource(const char *name)
  72 {
  73     return BitmapImage::createFromName(name);
  74 }
  75 
  76 #if !USE(IMAGEIO)
  77 NativeImagePtr ImageFrame::asNewNativeImage() const
  78 {
  79     JNIEnv* env = WebCore_GetJavaEnv();
  80     static jmethodID s_createWCImage_mID = env->GetMethodID(
  81             PG_GetGraphicsManagerClass(env), "createFrame",
  82             "(IILjava/nio/ByteBuffer;)Lcom/sun/webkit/graphics/WCImageFrame;");
  83     ASSERT(s_createWCImage_mID);
  84 
  85     JLObject data(env->NewDirectByteBuffer(
  86             m_bytes,
  87             width() * height() * sizeof(PixelData)));
  88     ASSERT(data);
  89 
  90     JLObject frame(env->CallObjectMethod(
  91         PL_GetGraphicsManager(env),
  92         s_createWCImage_mID,
  93         width(),
  94         height(),
  95         (jobject)data));
  96     ASSERT(frame);
  97     CheckAndClearException(env);
  98 
  99     return RQRef::create(frame);
 100 }
 101 #endif
 102 } // namespace WebCore