android_webview/native/aw_picture.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "android_webview/native/aw_picture.h"
   6
   7 #include "android_webview/native/java_browser_view_renderer_helper.h"
   8 #include "base/bind.h"
   9 #include "jni/AwPicture_jni.h"
  10 #include "third_party/skia/include/core/SkPicture.h"
  11
  12 namespace android_webview {
  13
  14 AwPicture::AwPicture(skia::RefPtr<SkPicture> picture)
  15     : picture_(picture) {
  16   DCHECK(picture_);
  17 }
  18
  19 AwPicture::~AwPicture() {}
  20
  21 void AwPicture::Destroy(JNIEnv* env, jobject obj) {
  22   delete this;
  23 }
  24
  25 jint AwPicture::GetWidth(JNIEnv* env, jobject obj) {
  26   return picture_->cullRect().roundOut().width();
  27 }
  28
  29 jint AwPicture::GetHeight(JNIEnv* env, jobject obj) {
  30   return picture_->cullRect().roundOut().height();
  31 }
  32
  33 void AwPicture::Draw(JNIEnv* env, jobject obj, jobject canvas) {
  34   const SkIRect bounds = picture_->cullRect().roundOut();
  35   scoped_ptr<SoftwareCanvasHolder> canvas_holder = SoftwareCanvasHolder::Create(
  36       canvas, gfx::Vector2d(),
  37       gfx::Size(bounds.width(), bounds.height()));
  38   if (!canvas_holder || !canvas_holder->GetCanvas()) {
  39     LOG(ERROR) << "Couldn't draw picture";
  40     return;
  41   }
  42   picture_->playback(canvas_holder->GetCanvas());
  43 }
  44
  45 bool RegisterAwPicture(JNIEnv* env) {
  46   return RegisterNativesImpl(env);
  47 }
  48
  49 }  // namespace android_webview