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/browser/in_process_view_renderer.h"
8 #include "android_webview/native/java_browser_view_renderer_helper.h"
9 #include "jni/AwPicture_jni.h"
10 #include "third_party/skia/include/core/SkPicture.h"
11
12 namespace android_webview {
13
AwPicture(skia::RefPtr<SkPicture> picture)14 AwPicture::AwPicture(skia::RefPtr<SkPicture> picture)
15 : picture_(picture) {
16 DCHECK(picture_);
17 }
18
~AwPicture()19 AwPicture::~AwPicture() {}
20
Destroy(JNIEnv * env,jobject obj)21 void AwPicture::Destroy(JNIEnv* env, jobject obj) {
22 delete this;
23 }
24
GetWidth(JNIEnv * env,jobject obj)25 jint AwPicture::GetWidth(JNIEnv* env, jobject obj) {
26 return picture_->width();
27 }
28
GetHeight(JNIEnv * env,jobject obj)29 jint AwPicture::GetHeight(JNIEnv* env, jobject obj) {
30 return picture_->height();
31 }
32
33 namespace {
RenderPictureToCanvas(SkPicture * picture,SkCanvas * canvas)34 bool RenderPictureToCanvas(SkPicture* picture, SkCanvas* canvas) {
35 picture->draw(canvas);
36 return true;
37 }
38 }
39
Draw(JNIEnv * env,jobject obj,jobject canvas,jint left,jint top,jint right,jint bottom)40 void AwPicture::Draw(JNIEnv* env, jobject obj, jobject canvas,
41 jint left, jint top, jint right, jint bottom) {
42 bool ok = InProcessViewRenderer::RenderViaAuxilaryBitmapIfNeeded(
43 canvas,
44 JavaBrowserViewRendererHelper::GetInstance(),
45 gfx::Vector2d(),
46 gfx::Rect(left, top, right - left, bottom - top),
47 base::Bind(&RenderPictureToCanvas, base::Unretained(picture_.get())),
48 this);
49 LOG_IF(ERROR, !ok) << "Couldn't draw picture";
50 }
51
RegisterAwPicture(JNIEnv * env)52 bool RegisterAwPicture(JNIEnv* env) {
53 return RegisterNativesImpl(env) >= 0;
54 }
55
56 } // namespace android_webview
57