android/apps: Add CanvasProof App;

Compare Ganesh and HWUI canvas rendering of SKPs on android.

Put SKP files in .../canvasproof/src/main/assets/skps

Run on a Marshmallow device.

NOTREECHECKS=true

Review URL: https://codereview.chromium.org/1258123004
This commit is contained in:
halcanary 2015-09-23 12:40:34 -07:00 коммит произвёл Commit bot
Родитель 3420d2796b
Коммит ab26a9b427
17 изменённых файлов: 964 добавлений и 1 удалений

2
.gitignore поставляемый
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@ -21,7 +21,7 @@ platform_tools/android/apps/*/build
platform_tools/android/apps/*/src/main/libs
platform_tools/chromeos/third_party/externals
platform_tools/chromeos/toolchain
skps
/skps
third_party/externals
tools/skp/page_sets/data/*.json
tools/skp/page_sets/data/*.wpr

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
apply plugin: 'com.android.application'
android {
compileSdkVersion 19
buildToolsVersion "22.0.1"
defaultConfig {
applicationId "org.skia.canvasproof"
minSdkVersion 9
targetSdkVersion 19
versionCode 1
versionName "1.0"
signingConfig signingConfigs.debug
}
sourceSets.main.jni.srcDirs = [] //disable automatic ndk-build call
sourceSets.main.jniLibs.srcDir "src/main/libs"
productFlavors { arm {}; arm64 {}; x86 {}; x86_64 {}; mips {}; mips64 {}; }
applicationVariants.all{ variant ->
def buildNativeLib = task("${variant.name}_NativeLib", type:Exec) {
workingDir '../../../..' // top-level skia directory
commandLine constructBuildCommand(variant, "CopyCanvasProofDeps").split()
environment PATH: getPathWithDepotTools()
environment ANDROID_SDK_ROOT: getSDKPath()
}
buildNativeLib.onlyIf { !project.hasProperty("suppressNativeBuild") }
TaskCollection<Task> assembleTask
assembleTask = project.tasks.matching {
it.name.contains("assemble") &&
it.name.toLowerCase().endsWith(variant.name.toLowerCase())
}
assembleTask.getAt(0).dependsOn buildNativeLib
}
}

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<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2015 Google Inc.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<!-- BEGIN_INCLUDE(manifest) -->
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="org.skia.canvasproof"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="9" />
<uses-feature android:glEsVersion="0x00020000" />
<application android:label="Canvas Proof">
<activity android:name="org.skia.canvasproof.CanvasProofActivity"
android:label="Canvas Proof"
android:configChanges="orientation|keyboardHidden"
android:theme="@android:style/Theme.NoTitleBar.Fullscreen">
<meta-data android:name="android.app.lib_name"
android:value="canvasproof" />
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
<!-- END_INCLUDE(manifest) -->

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@ -0,0 +1 @@
*.skp

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
package org.skia.canvasproof;
import android.app.Activity;
import android.content.res.AssetManager;
import android.graphics.Picture;
import android.opengl.GLSurfaceView;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.widget.LinearLayout.LayoutParams;
import android.widget.LinearLayout;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
public class CanvasProofActivity extends Activity {
private static final String TAG = "CanvasProofActivity";
private GaneshPictureRenderer ganeshPictureRenderer;
private HwuiPictureView hwuiPictureView;
private GLSurfaceView ganeshPictureView;
private LinearLayout splitPaneView;
private View currentView;
private float x, y;
private int resourcesIndex;
private class PictureAsset {
public String path;
public long ptr;
public Picture picture;
};
private PictureAsset[] assets;
@SuppressWarnings("deprecation") // purposely using this
private static Picture ReadPicture(InputStream inputStream)
throws IOException {
Picture p = null;
try {
p = Picture.createFromStream(inputStream);
} catch (java.lang.Exception e) {
Log.e(TAG, "Exception in Picture.createFromStream", e);
}
inputStream.close();
return p;
}
private void getAssetPaths() {
String directory = "skps";
AssetManager mgr = this.getAssets();
assert (mgr != null);
String[] resources;
try {
resources = mgr.list(directory);
} catch (IOException e) {
Log.e(TAG, "IOException in getAssetPaths", e);
return;
}
if (resources == null || resources.length == 0) {
Log.e(TAG, "SKP assets should be packaged in " +
".../apps/canvasproof/src/main/assets/skps/" +
", but none were found.");
return;
}
CreateSkiaPicture.init();
this.assets = new PictureAsset[resources.length];
for (int i = 0; i < resources.length; ++i) {
String path = directory + File.separator + resources[i];
this.assets[i] = new PictureAsset();
this.assets[i].path = path;
try {
this.assets[i].ptr = CreateSkiaPicture.create(mgr.open(path));
if (0 == this.assets[i].ptr) {
Log.e(TAG, "CreateSkiaPicture.create returned 0 " + path);
}
Picture p = CanvasProofActivity.ReadPicture(mgr.open(path));
if (null == p) {
Log.e(TAG, "CanvasProofActivity.ReadPicture.create " +
"returned null " + path);
} else if (0 == p.getHeight() || 0 == p.getWidth()) {
Log.e(TAG, "CanvasProofActivity.ReadPicture.create " +
"empty picture" + path);
p = null;
}
this.assets[i].picture = p;
} catch (IOException e) {
Log.e(TAG, "IOException in getAssetPaths " + path + e);
return;
}
}
}
private void nextView() {
if (this.currentView == this.hwuiPictureView) {
this.currentView = this.ganeshPictureView;
this.ganeshPictureView.setRenderMode(
GLSurfaceView.RENDERMODE_CONTINUOUSLY);
} else if (this.currentView == null ||
this.currentView == this.ganeshPictureView) {
this.setContentView(new View(this));
LayoutParams layoutParams =
new LayoutParams(
LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT, 0.5f);
this.ganeshPictureView.setLayoutParams(layoutParams);
this.ganeshPictureView.setRenderMode(
GLSurfaceView.RENDERMODE_WHEN_DIRTY);
this.splitPaneView.addView(this.ganeshPictureView);
this.hwuiPictureView.setLayoutParams(layoutParams);
this.splitPaneView.addView(this.hwuiPictureView);
this.currentView = this.splitPaneView;
this.hwuiPictureView.fullTime = false;
} else if (this.currentView == this.splitPaneView) {
this.splitPaneView.removeAllViews();
this.currentView = this.hwuiPictureView;
this.hwuiPictureView.fullTime = true;
} else {
Log.e(TAG, "unexpected value");
this.setContentView(null);
return;
}
this.setContentView(this.currentView);
this.currentView.invalidate();
}
private void nextPicture(int d) {
if (this.assets == null) {
Log.w(TAG, "this.assets == null");
return;
}
assert (this.assets.length > 0);
resourcesIndex = (resourcesIndex + d) % this.assets.length;
while (resourcesIndex < 0) {
resourcesIndex += this.assets.length;
}
while (resourcesIndex >= this.assets.length) {
resourcesIndex -= this.assets.length;
}
this.ganeshPictureRenderer.setPicture(assets[resourcesIndex].ptr);
this.hwuiPictureView.setPicture(assets[resourcesIndex].picture);
this.currentView.invalidate();
}
@Override
protected void onStop() {
this.ganeshPictureRenderer.releaseResources();
super.onStop();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.getAssetPaths();
this.ganeshPictureRenderer = new GaneshPictureRenderer();
this.hwuiPictureView = new HwuiPictureView(this);
this.ganeshPictureRenderer.setScale(2.0f);
this.hwuiPictureView.setScale(2.0f);
this.ganeshPictureView = ganeshPictureRenderer.makeView(this);
this.splitPaneView = new LinearLayout(this);
this.splitPaneView.setOrientation(LinearLayout.VERTICAL);
this.splitPaneView.setGravity(Gravity.FILL);
LayoutParams layoutParams =
new LayoutParams(
LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT, 0.5f);
this.ganeshPictureView.setLayoutParams(layoutParams);
this.hwuiPictureView.setLayoutParams(layoutParams);
this.nextView();
this.nextPicture(0);
}
// TODO: replace this funtion with onTouchEvent().
// @Override public boolean onTouchEvent(MotionEvent event)...
@Override
public boolean dispatchTouchEvent (MotionEvent event) {
switch(event.getAction()) {
case MotionEvent.ACTION_DOWN:
this.x = event.getX();
this.y = event.getY();
break;
case MotionEvent.ACTION_UP:
float dx = event.getX() - this.x;
float dy = event.getY() - this.y;
float dx2 = dx * dx;
float dy2 = dy * dy;
if (dx2 + dy2 > 22500.0) {
if (dy2 < dx2) {
this.nextPicture(dx > 0 ? 1 : -1);
} else if (dy > 0) {
this.nextView();
}
}
break;
}
return super.onTouchEvent(event);
}
}

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/*
AJAR=$ANDROID_SDK_ROOT/platforms/android-19/android.jar
CLASS=CreateSkiaPicture
SRC=platform_tools/android/apps/canvasproof/src/main
javac -classpath $AJAR $SRC/java/org/skia/canvasproof/$CLASS.java
javah -classpath $AJAR:$SRC/java -d $SRC/jni org.skia.canvasproof.$CLASS
*/
package org.skia.canvasproof;
import android.util.Log;
import java.io.IOException;
import java.io.InputStream;
import java.lang.UnsatisfiedLinkError;
public class CreateSkiaPicture {
private static final String TAG = "CreateSkiaPicture";
public static void init() {
try {
System.loadLibrary("skia_android");
System.loadLibrary("canvasproof");
} catch (java.lang.Error e) {
Log.v(TAG, "System.loadLibrary error", e);
}
}
public static long create(InputStream inputStream) throws IOException {
byte[] buffer = new byte[16 * (1 << 10)]; // 16 KByte
long p = 0;
try {
p = CreateSkiaPicture.createImpl(inputStream, buffer);
} catch (UnsatisfiedLinkError e) {
Log.e(TAG, "UnsatisfiedLinkError createImpl");
}
inputStream.close();
return p;
}
public static void delete(long ptr) {
try {
if (ptr != 0) {
CreateSkiaPicture.deleteImpl(ptr);
}
} catch (UnsatisfiedLinkError e) {
Log.e(TAG, "UnsatisfiedLinkError deleteImpl");
}
}
private static native void deleteImpl(long ptr);
private static native long createImpl(InputStream s, byte[] b);
}

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// AJAR=$ANDROID_SDK_ROOT/platforms/android-19/android.jar
// SRC=platform_tools/android/apps/canvasproof/src/main
// javac -classpath $AJAR $SRC/java/org/skia/canvasproof/GaneshPictureRenderer.java
// javah -classpath $AJAR:$SRC/java -d $SRC/jni org.skia.canvasproof.GaneshPictureRenderer
package org.skia.canvasproof;
import android.app.Activity;
import android.graphics.Rect;
import android.opengl.GLSurfaceView;
import android.util.Log;
import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;
public class GaneshPictureRenderer implements GLSurfaceView.Renderer {
private static final String TAG = "GaneshPictureRenderer";
private long picturePtr;
private long contextPtr;
private float scale;
private int width;
private int height;
private GLSurfaceView view;
GaneshPictureRenderer() {
try {
System.loadLibrary("skia_android");
System.loadLibrary("canvasproof");
} catch (java.lang.Error e) {
Log.e(TAG, "System.loadLibrary error", e);
return;
}
this.scale = 1;
}
public GLSurfaceView makeView(Activity activity) {
this.view = new GLSurfaceView(activity);
this.view.setEGLConfigChooser(8, 8, 8, 8, 0, 8);
this.view.setEGLContextClientVersion(2);
this.view.setRenderer(this);
this.view.setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
return this.view;
}
static public Rect cullRect(long picturePtr) {
Rect rect = new Rect();
try {
GaneshPictureRenderer.GetCullRect(rect, picturePtr);
} catch (UnsatisfiedLinkError e) {
Log.e(TAG, "GetCullRect failed", e);
}
return rect;
}
public void setPicture(long picturePtr) {
this.picturePtr = picturePtr;
this.view.requestRender();
}
public void setScale(float s) { this.scale = s; }
public void releaseResources() {
if (this.contextPtr != 0) {
try {
GaneshPictureRenderer.CleanUp(this.contextPtr);
} catch (UnsatisfiedLinkError e) {
Log.e(TAG, "CleanUp failed", e);
}
}
this.contextPtr = 0;
}
private void createContext() {
try {
this.contextPtr = GaneshPictureRenderer.Ctor();
} catch (UnsatisfiedLinkError e) {
Log.e(TAG, "Ctor failed", e);
}
}
@Override
public void onSurfaceCreated(GL10 gl, EGLConfig c) {
this.releaseResources();
this.createContext();
}
@Override
public void onDrawFrame(GL10 gl) {
if (this.contextPtr == 0) {
this.createContext();
}
if (this.width > 0 && this.height > 0 &&
this.contextPtr != 0 && this.picturePtr != 0) {
try {
GaneshPictureRenderer.DrawThisFrame(
this.width, this.height, this.scale,
this.contextPtr, this.picturePtr);
} catch (UnsatisfiedLinkError e) {
Log.e(TAG, "DrawThisFrame failed", e);
}
}
}
@Override
public void onSurfaceChanged(GL10 gl, int w, int h) {
this.width = w;
this.height = h;
}
@Override
public void finalize() throws Throwable {
super.finalize();
this.releaseResources();
}
// Make the native functions static to simplify JNI interaction.
private static native void DrawThisFrame(int w, int h, float s, long pr, long pc);
private static native long Ctor();
private static native void CleanUp(long p);
private static native void GetCullRect(Rect r, long picture);
}

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
package org.skia.canvasproof;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Picture;
import android.util.Log;
import android.view.View;
import java.io.IOException;
import java.io.InputStream;
public class HwuiPictureView extends View {
private static final String TAG = "HwuiPictureView";
private Picture picture;
private float scale;
private Picture defaultPicture;
public boolean fullTime;
HwuiPictureView(Context context) {
super(context);
this.scale = 1.0f;
}
public void setScale(float s) {
this.scale = s;
}
public void setPicture(Picture p) {
this.picture = p;
this.invalidate();
}
@Override
protected void onDraw(Canvas canvas) {
if (this.picture != null) {
canvas.save();
canvas.scale(scale, scale);
HwuiPictureView.draw(canvas, this.picture);
canvas.restore();
if (fullTime) {
this.invalidate();
}
}
}
static private void draw(Canvas canvas, Picture p) {
if (android.os.Build.VERSION.SDK_INT > 22) {
try {
canvas.drawPicture(p);
return;
} catch (java.lang.Exception e) {
Log.e(TAG, "Exception while drawing picture in Hwui");
}
}
if (p.getWidth() > 0 && p.getHeight() > 0) {
// Fallback to software rendering.
Bitmap bm = Bitmap.createBitmap(p.getWidth(), p.getHeight(),
Bitmap.Config.ARGB_8888);
(new Canvas(bm)).drawPicture(p);
canvas.drawBitmap(bm, 0.0f, 0.0f, null);
bm.recycle();
}
}
}

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "JavaInputStream.h"
JavaInputStream::JavaInputStream(
JNIEnv* env, jbyteArray javaBuffer, jobject inputStream)
: fEnv(env)
, fStartIndex(0)
, fEndIndex(0) {
SkASSERT(inputStream);
SkASSERT(javaBuffer);
fInputStream = inputStream;
fJavaBuffer = javaBuffer;
fInputStreamClass = env->FindClass("java/io/InputStream");
SkASSERT(fInputStreamClass);
fReadMethodID = env->GetMethodID(fInputStreamClass, "read", "([B)I");
SkASSERT(fReadMethodID);
}
bool JavaInputStream::isAtEnd() const { return fStartIndex == fEndIndex; }
size_t JavaInputStream::read(void* voidBuffer, size_t size) {
size_t totalRead = 0;
char* buffer = static_cast<char*>(voidBuffer); // may be NULL;
while (size) {
// make sure the cache has at least one byte or is done.
if (fStartIndex == fEndIndex) {
jint count =
fEnv->CallIntMethod(fInputStream, fReadMethodID, fJavaBuffer);
if (fEnv->ExceptionCheck()) {
fEnv->ExceptionDescribe();
fEnv->ExceptionClear();
SkDebugf("---- java.io.InputStream::read() threw an exception\n");
return 0;
}
fStartIndex = 0;
fEndIndex = count;
if (this->isAtEnd()) {
return totalRead; // No more to read.
}
}
SkASSERT(fEndIndex > fStartIndex);
size_t length = SkTMin(SkToSizeT(fEndIndex - fStartIndex), size);
if (buffer && length) {
jbyte* bufferElements
= fEnv->GetByteArrayElements(fJavaBuffer, NULL);
memcpy(buffer, &bufferElements[fStartIndex], length);
buffer += length;
fEnv->ReleaseByteArrayElements(fJavaBuffer, bufferElements, 0);
}
totalRead += length;
size -= length;
fStartIndex += length;
}
return totalRead;
}

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef JavaInputStream_DEFINED
#define JavaInputStream_DEFINED
#include <jni.h>
#include "SkStream.h"
class JavaInputStream : public SkStream {
public:
JavaInputStream(JNIEnv*, jbyteArray javaBuffer, jobject javaIoInputStream);
bool isAtEnd() const override;
size_t read(void*, size_t) override;
private:
JNIEnv* fEnv;
jobject fInputStream;
jbyteArray fJavaBuffer;
jclass fInputStreamClass;
jmethodID fReadMethodID;
jint fStartIndex;
jint fEndIndex;
};
#endif // JavaInputStream_DEFINED

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "org_skia_canvasproof_CreateSkiaPicture.h"
#include "JavaInputStream.h"
#include "SkPicture.h"
#include "SkPictureRecorder.h"
/*
* Class: org_skia_canvasproof_CreateSkiaPicture
* Method: delete
* Signature: (J)V
*/
JNIEXPORT void JNICALL Java_org_skia_canvasproof_CreateSkiaPicture_deleteImpl(
JNIEnv* env, jclass clazz, jlong ptr) {
SkSafeUnref(reinterpret_cast<SkPicture*>(ptr));
}
/*
* Class: org_skia_canvasproof_CreateSkiaPicture
* Method: createImpl
* Signature: (Ljava/io/InputStream;[B)J
*/
JNIEXPORT jlong JNICALL Java_org_skia_canvasproof_CreateSkiaPicture_createImpl
(JNIEnv* env, jclass clazz, jobject inputStream, jbyteArray buffer) {
JavaInputStream stream(env, buffer, inputStream);
#if 0
SkAutoTUnref<SkPicture> p(SkPicture::CreateFromStream(&stream));
if (!p) { return 0; }
SkPictureRecorder recorder;
SkRect bounds = p->cullRect();
SkRTreeFactory bbh;
recorder.beginRecording(bounds, &bbh)->drawPicture(p);
return reinterpret_cast<long>(recorder.endRecordingAsPicture());
#else
return reinterpret_cast<long>(SkPicture::CreateFromStream(&stream));
#endif
}

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class org_skia_canvasproof_CreateSkiaPicture */
#ifndef _Included_org_skia_canvasproof_CreateSkiaPicture
#define _Included_org_skia_canvasproof_CreateSkiaPicture
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: org_skia_canvasproof_CreateSkiaPicture
* Method: deleteImpl
* Signature: (J)V
*/
JNIEXPORT void JNICALL Java_org_skia_canvasproof_CreateSkiaPicture_deleteImpl
(JNIEnv *, jclass, jlong);
/*
* Class: org_skia_canvasproof_CreateSkiaPicture
* Method: createImpl
* Signature: (Ljava/io/InputStream;[B)J
*/
JNIEXPORT jlong JNICALL Java_org_skia_canvasproof_CreateSkiaPicture_createImpl
(JNIEnv *, jclass, jobject, jbyteArray);
#ifdef __cplusplus
}
#endif
#endif

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "org_skia_canvasproof_GaneshPictureRenderer.h"
#include "GrContext.h"
#include "JavaInputStream.h"
#include "SkCanvas.h"
#include "SkMatrix.h"
#include "SkPicture.h"
#include "SkRect.h"
#include "SkStream.h"
#include "SkSurface.h"
#define TAG "GaneshPictureRenderer.cpp: "
static void render_picture(GrContext* grContext,
int width,
int height,
const SkPicture* picture,
const SkMatrix& matrix) {
SkASSERT(grContext);
if (!picture) {
SkDebugf(TAG "!picture\n");
return;
}
// Render to the default framebuffer render target.
GrBackendRenderTargetDesc desc;
desc.fWidth = width;
desc.fHeight = height;
desc.fConfig = kSkia8888_GrPixelConfig;
desc.fOrigin = kBottomLeft_GrSurfaceOrigin;
SkSurfaceProps surfaceProps(SkSurfaceProps::kUseDeviceIndependentFonts_Flag,
kUnknown_SkPixelGeometry);
// TODO: Check to see if we can keep the surface between draw calls.
SkAutoTUnref<SkSurface> surface(
SkSurface::NewFromBackendRenderTarget(
grContext, desc, &surfaceProps));
if (surface) {
SkCanvas* canvas = surface->getCanvas();
SkASSERT(canvas);
canvas->clear(SK_ColorGRAY);
canvas->concat(matrix);
SkRect cullRect = picture->cullRect();
canvas->clipRect(cullRect);
picture->playback(canvas);
canvas->flush();
}
}
namespace {
struct GaneshPictureRendererImpl {
SkAutoTUnref<GrContext> fGrContext;
void render(int w, int h, const SkPicture* p, const SkMatrix& m) {
if (!fGrContext) {
// Cache the rendering context between frames.
fGrContext.reset(GrContext::Create(kOpenGL_GrBackend, 0));
if (!fGrContext) {
SkDebugf(TAG "GrContext::Create - failed\n");
return;
}
}
render_picture(fGrContext, w, h, p, m);
}
};
} // namespace
/*
* Class: org_skia_canvasproof_GaneshPictureRenderer
* Method: DrawThisFrame
* Signature: (IIFJ)V
*/
JNIEXPORT void JNICALL Java_org_skia_canvasproof_GaneshPictureRenderer_DrawThisFrame(
JNIEnv*, jclass, jint width, jint height, jfloat scale, jlong ptr, jlong pic) {
if (!ptr) { return; }
SkMatrix matrix = SkMatrix::MakeScale((SkScalar)scale);
GaneshPictureRendererImpl* impl =
reinterpret_cast<GaneshPictureRendererImpl*>(ptr);
SkPicture* picture = reinterpret_cast<SkPicture*>(pic);
impl->render((int)width, (int)height, picture, matrix);
}
/*
* Class: org_skia_canvasproof_GaneshPictureRenderer
* Method: Ctor
* Signature: ()J
*/
JNIEXPORT jlong JNICALL Java_org_skia_canvasproof_GaneshPictureRenderer_Ctor
(JNIEnv *, jclass) {
return reinterpret_cast<jlong>(new GaneshPictureRendererImpl);
}
/*
* Class: org_skia_canvasproof_GaneshPictureRenderer
* Method: CleanUp
* Signature: (J)V
*/
JNIEXPORT void JNICALL Java_org_skia_canvasproof_GaneshPictureRenderer_CleanUp
(JNIEnv *, jclass, jlong ptr) {
delete reinterpret_cast<GaneshPictureRendererImpl*>(ptr);
}
namespace {
struct AndroidRectHelper {
jfieldID fLeft, fTop, fRight, fBottom;
AndroidRectHelper()
: fLeft(nullptr), fTop(nullptr), fRight(nullptr), fBottom(nullptr) {}
void config(JNIEnv *env) {
if (!fLeft) {
jclass rectClass = env->FindClass("android/graphics/Rect");
SkASSERT(rectClass);
fLeft = env->GetFieldID(rectClass, "left", "I");
fTop = env->GetFieldID(rectClass, "top", "I");
fRight = env->GetFieldID(rectClass, "right", "I");
fBottom = env->GetFieldID(rectClass, "bottom", "I");
}
}
};
} // namespace
/*
* Class: org_skia_canvasproof_GaneshPictureRenderer
* Method: GetCullRect
* Signature: (Landroid/graphics/Rect;J)V
*/
JNIEXPORT void JNICALL Java_org_skia_canvasproof_GaneshPictureRenderer_GetCullRect
(JNIEnv *env, jclass, jobject androidGraphicsRect, jlong picturePtr) {
SkASSERT(androidGraphicsRect);
const SkPicture* picture = reinterpret_cast<SkPicture*>(picturePtr);
SkRect rect = SkRect::MakeEmpty();
if (picture) {
rect = picture->cullRect();
}
SkIRect iRect;
rect.roundOut(&iRect);
static AndroidRectHelper help;
help.config(env);
env->SetIntField(androidGraphicsRect, help.fLeft, (jint)(iRect.left()));
env->SetIntField(androidGraphicsRect, help.fTop, (jint)(iRect.top()));
env->SetIntField(androidGraphicsRect, help.fRight, (jint)(iRect.right()));
env->SetIntField(androidGraphicsRect, help.fBottom, (jint)(iRect.bottom()));
}

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@ -0,0 +1,52 @@
/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class org_skia_canvasproof_GaneshPictureRenderer */
#ifndef _Included_org_skia_canvasproof_GaneshPictureRenderer
#define _Included_org_skia_canvasproof_GaneshPictureRenderer
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: org_skia_canvasproof_GaneshPictureRenderer
* Method: DrawThisFrame
* Signature: (IIFJJ)V
*/
JNIEXPORT void JNICALL Java_org_skia_canvasproof_GaneshPictureRenderer_DrawThisFrame
(JNIEnv *, jclass, jint, jint, jfloat, jlong, jlong);
/*
* Class: org_skia_canvasproof_GaneshPictureRenderer
* Method: Ctor
* Signature: ()J
*/
JNIEXPORT jlong JNICALL Java_org_skia_canvasproof_GaneshPictureRenderer_Ctor
(JNIEnv *, jclass);
/*
* Class: org_skia_canvasproof_GaneshPictureRenderer
* Method: CleanUp
* Signature: (J)V
*/
JNIEXPORT void JNICALL Java_org_skia_canvasproof_GaneshPictureRenderer_CleanUp
(JNIEnv *, jclass, jlong);
/*
* Class: org_skia_canvasproof_GaneshPictureRenderer
* Method: GetCullRect
* Signature: (Landroid/graphics/Rect;J)V
*/
JNIEXPORT void JNICALL Java_org_skia_canvasproof_GaneshPictureRenderer_GetCullRect
(JNIEnv *, jclass, jobject, jlong);
#ifdef __cplusplus
}
#endif
#endif

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@ -1,2 +1,3 @@
include ':sample_app'
include ':visualbench'
include ':canvasproof'

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@ -0,0 +1,75 @@
# Copyright 2015 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
{
'targets': [
{
'target_name': 'canvasproof',
'type': 'shared_library',
'dependencies': [ 'skia_lib.gyp:skia_lib', ],
'sources': [
'../apps/canvasproof/src/main/jni/JavaInputStream.cpp',
'../apps/canvasproof/src/main/jni/JavaInputStream.h',
'../apps/canvasproof/src/main/jni/org_skia_canvasproof_GaneshPictureRenderer.cpp',
'../apps/canvasproof/src/main/jni/org_skia_canvasproof_GaneshPictureRenderer.h',
'../apps/canvasproof/src/main/jni/org_skia_canvasproof_CreateSkiaPicture.cpp',
'../apps/canvasproof/src/main/jni/org_skia_canvasproof_CreateSkiaPicture.h ',
],
},
{
'target_name': 'CopyCanvasProofDeps',
'type': 'none',
'dependencies': [
'skia_lib.gyp:skia_lib',
'canvasproof',
],
'copies': [
{
'destination': '../apps/canvasproof/src/main/libs/<(android_arch)',
'conditions': [
[ 'skia_shared_lib', {
'files': [
'<(SHARED_LIB_DIR)/libskia_android.so',
'<(SHARED_LIB_DIR)/libcanvasproof.so',
]}, {
'files': [
'<(SHARED_LIB_DIR)/libcanvasproof.so',
]}
],
],
},
],
},
{
'target_name': 'CanvasProof_APK',
'type': 'none',
'dependencies': [ 'CopyCanvasProofDeps', ],
'actions': [
{
'action_name': 'SkiaCanvasProof_apk',
'inputs': [
'../apps/canvasproof/src/main/assets/skps',
'../apps/canvasproof/src/main/AndroidManifest.xml',
'../apps/canvasproof/src/main/java/org/skia/canvasproof/CreateSkiaPicture.java',
'../apps/canvasproof/src/main/java/org/skia/canvasproof/CanvasProofActivity.java',
'../apps/canvasproof/src/main/java/org/skia/canvasproof/GaneshPictureRenderer.java',
'../apps/canvasproof/src/main/java/org/skia/canvasproof/HwuiPictureView.java',
'<(android_base)/apps/canvasproof/src/main/libs/<(android_arch)/libcanvasproof.so',
'<(android_base)/apps/canvasproof/src/main/libs/<(android_arch)/libskia_android.so',
],
'outputs': [
'../apps/canvasproof/build',
],
'action': [
'<(android_base)/apps/gradlew',
':canvasproof:assemble<(android_variant)Debug',
'-p<(android_base)/apps/canvasproof',
'-PsuppressNativeBuild',
],
},
],
},
],
}

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@ -45,6 +45,7 @@
}],
],
},
'includes' : [ 'canvasproof.gypi', ],
'targets': [
{
'target_name': 'CopySampleAppDeps',