android_view_GLES20Canvas.cpp revision 163935113919a184122b8b3bd672ef08c8df65dc
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 17a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy#define LOG_TAG "OpenGLRenderer" 18a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include "jni.h" 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <nativehelper/JNIHelp.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <android_runtime/AndroidRuntime.h> 22deba785f122a47915756ffd991f5540d952cf937Romain Guy#include <utils/ResourceTypes.h> 23e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 24ce0537b80087a6225273040a987414b1dd081aa0Romain Guy#include <SkBitmap.h> 25c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy#include <SkCanvas.h> 26f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include <SkMatrix.h> 27c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy#include <SkPaint.h> 28079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy#include <SkRegion.h> 29a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy#include <SkScalerContext.h> 3085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include <SkXfermode.h> 31e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 3285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include <OpenGLRenderer.h> 3306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#include <SkiaShader.h> 34db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy#include <SkiaColorFilter.h> 359d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <Rect.h> 369d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <ui/Rect.h> 3785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 38e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy#include "TextLayout.h" 39e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 40e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 41e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 429d5316e3f56d138504565ff311145ac01621dff4Romain Guyusing namespace uirenderer; 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy 44163935113919a184122b8b3bd672ef08c8df65dcRomain Guy/** 45163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * Note: OpenGLRenderer JNI layer is generated and compiled only on supported 46163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * devices. This means all the logic must be compiled only when the 47163935113919a184122b8b3bd672ef08c8df65dcRomain Guy * preprocessor variable USE_OPENGL_RENDERER is defined. 48163935113919a184122b8b3bd672ef08c8df65dcRomain Guy */ 49163935113919a184122b8b3bd672ef08c8df65dcRomain Guy#ifdef USE_OPENGL_RENDERER 50163935113919a184122b8b3bd672ef08c8df65dcRomain Guy 519d5316e3f56d138504565ff311145ac01621dff4Romain Guy// ---------------------------------------------------------------------------- 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Java APIs 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy// ---------------------------------------------------------------------------- 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy 559d5316e3f56d138504565ff311145ac01621dff4Romain Guystatic struct { 567ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy jclass clazz; 577ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy jmethodID set; 589d5316e3f56d138504565ff311145ac01621dff4Romain Guy} gRectClassInfo; 599d5316e3f56d138504565ff311145ac01621dff4Romain Guy 60e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 61e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// Constructors 62e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 63e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 64ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject canvas) { 6585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy return new OpenGLRenderer; 66e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 67e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 68ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject canvas, 69f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 70f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy delete renderer; 71e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 72e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 73e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 74e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// Setup 75e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 76e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 77ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject canvas, 78f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jint width, jint height) { 79f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->setViewport(width, height); 80e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 81e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 82ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject canvas, 83f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 84f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->prepare(); 85e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 86e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 87e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 88bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// State 89bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 90bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 91ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_save(JNIEnv* env, jobject canvas, OpenGLRenderer* renderer, 92bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy jint flags) { 93f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy return renderer->save(flags); 94f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 95bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 96ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject canvas, 97f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 98f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy return renderer->getSaveCount(); 99bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 100bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 101ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_restore(JNIEnv* env, jobject canvas, 102f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 103f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->restore(); 104bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 105bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 106ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject canvas, 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jint saveCount) { 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->restoreToCount(saveCount); 109bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 110bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 111f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// ---------------------------------------------------------------------------- 112bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 113bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// ---------------------------------------------------------------------------- 114bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 115ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject canvas, 116bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 117bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy SkPaint* paint, jint saveFlags) { 118bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 119bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 120bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 121ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject canvas, 122bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 123bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy jint alpha, jint saveFlags) { 124bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 125bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 126bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 127bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// ---------------------------------------------------------------------------- 128f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 129f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// ---------------------------------------------------------------------------- 130f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 131ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject canvas, 132c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 133c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy SkCanvas::EdgeType edge) { 134c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy return renderer->quickReject(left, top, right, bottom); 135c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 136c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 137ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject canvas, 138079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 139079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy SkRegion::Op op) { 140079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return renderer->clipRect(left, top, right, bottom, op); 141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 142bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 143ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject canvas, 144079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 145079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy SkRegion::Op op) { 146079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 147bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 148bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 149ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject canvas, 1509d5316e3f56d138504565ff311145ac01621dff4Romain Guy OpenGLRenderer* renderer, jobject rect) { 1517ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 1529d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1537ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy env->CallVoidMethod(rect, gRectClassInfo.set, 1547ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 1559d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1567ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return !bounds.isEmpty(); 1579d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 1589d5316e3f56d138504565ff311145ac01621dff4Romain Guy 159bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 160f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 161bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 162bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 163ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_translate(JNIEnv* env, jobject canvas, 164f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 1657ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->translate(dx, dy); 166f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 167bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 168ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject canvas, 169f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jfloat degrees) { 1707ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->rotate(degrees); 171bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 172bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 173ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_scale(JNIEnv* env, jobject canvas, 174f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 1757ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->scale(sx, sy); 176f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 177bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 178ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject canvas, 179f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, SkMatrix* matrix) { 1807ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->setMatrix(matrix); 181f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 182f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 183ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject canvas, 184f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, SkMatrix* matrix) { 1857ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->getMatrix(matrix); 186f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 187f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 188ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject canvas, 189f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, SkMatrix* matrix) { 1907ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->concatMatrix(matrix); 191bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 192bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 193bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 194bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// Drawing 19585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy// ---------------------------------------------------------------------------- 19685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 197ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject canvas, 198dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, float left, float top, SkPaint* paint) { 199dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy renderer->drawBitmap(bitmap, left, top, paint); 200ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 201ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 202ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject canvas, 203ce0537b80087a6225273040a987414b1dd081aa0Romain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, 204ce0537b80087a6225273040a987414b1dd081aa0Romain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 205dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 206dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 207dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy dstLeft, dstTop, dstRight, dstBottom, paint); 208f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 2098ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 210f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guystatic void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject canvas, 211dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 212dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy renderer->drawBitmap(bitmap, matrix, paint); 213ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 214ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 215deba785f122a47915756ffd991f5540d952cf937Romain Guystatic void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject canvas, 216deba785f122a47915756ffd991f5540d952cf937Romain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray chunks, 217dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy float left, float top, float right, float bottom, SkPaint* paint) { 218deba785f122a47915756ffd991f5540d952cf937Romain Guy jbyte* storage = env->GetByteArrayElements(chunks, NULL); 219deba785f122a47915756ffd991f5540d952cf937Romain Guy Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 220deba785f122a47915756ffd991f5540d952cf937Romain Guy Res_png_9patch::deserialize(patch); 221deba785f122a47915756ffd991f5540d952cf937Romain Guy 222dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy renderer->drawPatch(bitmap, patch, left, top, right, bottom, paint); 223deba785f122a47915756ffd991f5540d952cf937Romain Guy 224deba785f122a47915756ffd991f5540d952cf937Romain Guy env->ReleaseByteArrayElements(chunks, storage, 0); 225deba785f122a47915756ffd991f5540d952cf937Romain Guy} 226deba785f122a47915756ffd991f5540d952cf937Romain Guy 227ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject canvas, 228ce0537b80087a6225273040a987414b1dd081aa0Romain Guy OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 229ce0537b80087a6225273040a987414b1dd081aa0Romain Guy renderer->drawColor(color, mode); 23085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 23185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 232ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject canvas, 233c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 234c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy SkPaint* paint) { 235c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy renderer->drawRect(left, top, right, bottom, paint); 236c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 237c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 2387fbcc0492fca03857e3c45064f4aa040af817d55Romain Guystatic void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject canvas, 2397fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy OpenGLRenderer* renderer, SkPath* path, SkPaint* paint) { 2407fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy renderer->drawPath(path, paint); 2417fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 2427fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 24385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy// ---------------------------------------------------------------------------- 244db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Shaders and color filters 245d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// ---------------------------------------------------------------------------- 246d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 247db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guystatic void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject canvas, 248d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy OpenGLRenderer* renderer) { 249d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy renderer->resetShader(); 250db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy renderer->resetColorFilter(); 251d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy} 252d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 25306f96e2652e4855b6520ad9dd70583677605b79aRomain Guystatic void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject canvas, 25406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy OpenGLRenderer* renderer, SkiaShader* shader) { 25506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy renderer->setupShader(shader); 2567fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 2577fac2e18339f765320d759e8d4c090f92431959eRomain Guy 258db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guystatic void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject canvas, 259db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy OpenGLRenderer* renderer, SkiaColorFilter* filter) { 260db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy renderer->setupColorFilter(filter); 261db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 262db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 263d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// ---------------------------------------------------------------------------- 264a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy// Text 265a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy// ---------------------------------------------------------------------------- 266a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 267e8e62a4a032a80409114a37908b5f18ab0080848Romain Guystatic void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 268e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy jfloat x, jfloat y, int flags, SkPaint* paint) { 269e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy const jchar *workText; 2709226298891119acff6b5e8b65fb7074fb99dc0c0Romain Guy jchar* buffer = NULL; 271e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy int32_t workBytes; 2729226298891119acff6b5e8b65fb7074fb99dc0c0Romain Guy if (TextLayout::prepareText(paint, text, count, flags, &workText, &workBytes, &buffer)) { 273e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy renderer->drawText((const char*) workText, workBytes, count, x, y, paint); 2749226298891119acff6b5e8b65fb7074fb99dc0c0Romain Guy free(buffer); 275e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 276e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy} 277e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 278a1db574036c9bc2d397b69f8200594027e1fff16Romain Guystatic void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject canvas, 279a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy OpenGLRenderer* renderer, jcharArray text, int index, int count, 280a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy jfloat x, jfloat y, int flags, SkPaint* paint) { 281a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy jchar* textArray = env->GetCharArrayElements(text, NULL); 282e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy renderText(renderer, textArray + index, count, x, y, flags, paint); 283a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 284a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 285a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 286a1db574036c9bc2d397b69f8200594027e1fff16Romain Guystatic void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject canvas, 287a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy OpenGLRenderer* renderer, jstring text, int start, int end, 288a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy jfloat x, jfloat y, int flags, SkPaint* paint) { 289a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy const jchar* textArray = env->GetStringChars(text, NULL); 290e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy renderText(renderer, textArray + start, end - start, x, y, flags, paint); 291a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy env->ReleaseStringChars(text, textArray); 292a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 293a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 294163935113919a184122b8b3bd672ef08c8df65dcRomain Guy#endif // USE_OPENGL_RENDERER 295163935113919a184122b8b3bd672ef08c8df65dcRomain Guy 296163935113919a184122b8b3bd672ef08c8df65dcRomain Guy// ---------------------------------------------------------------------------- 297163935113919a184122b8b3bd672ef08c8df65dcRomain Guy// Common 298163935113919a184122b8b3bd672ef08c8df65dcRomain Guy// ---------------------------------------------------------------------------- 299163935113919a184122b8b3bd672ef08c8df65dcRomain Guy 300163935113919a184122b8b3bd672ef08c8df65dcRomain Guystatic jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) { 301163935113919a184122b8b3bd672ef08c8df65dcRomain Guy#ifdef USE_OPENGL_RENDERER 302163935113919a184122b8b3bd672ef08c8df65dcRomain Guy return JNI_TRUE; 303163935113919a184122b8b3bd672ef08c8df65dcRomain Guy#else 304163935113919a184122b8b3bd672ef08c8df65dcRomain Guy return JNI_FALSE; 305163935113919a184122b8b3bd672ef08c8df65dcRomain Guy#endif 306163935113919a184122b8b3bd672ef08c8df65dcRomain Guy} 307163935113919a184122b8b3bd672ef08c8df65dcRomain Guy 308a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy// ---------------------------------------------------------------------------- 309e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// JNI Glue 310e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 311e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 312e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guyconst char* const kClassPathName = "android/view/GLES20Canvas"; 313e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 314e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guystatic JNINativeMethod gMethods[] = { 315163935113919a184122b8b3bd672ef08c8df65dcRomain Guy { "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable }, 316163935113919a184122b8b3bd672ef08c8df65dcRomain Guy#ifdef USE_OPENGL_RENDERER 317163935113919a184122b8b3bd672ef08c8df65dcRomain Guy 318dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 319dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 320dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 321dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nPrepare", "(I)V", (void*) android_view_GLES20Canvas_prepare }, 322dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 323dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 324dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 325dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 326dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 327dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 328dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 329dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 330dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 331dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 332079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 333079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 334dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 335dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 336dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 337dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 338dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 339dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 340dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 341dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 342dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 343dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawBitmap", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 344dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawBitmap", "(IIFFFFFFFFI)V", (void*) android_view_GLES20Canvas_drawBitmapRect }, 345dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawBitmap", "(IIII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 346dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawPatch", "(II[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 347dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 348dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 3497fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy { "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath }, 350f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 351db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy { "nResetModifiers", "(I)V", (void*) android_view_GLES20Canvas_resetModifiers }, 35206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 353db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy { "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 354d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 355a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 356a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy { "nDrawText", "(ILjava/lang/String;IIFFII)V", 357a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy (void*) android_view_GLES20Canvas_drawText }, 358a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 359c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 360ce0537b80087a6225273040a987414b1dd081aa0Romain Guy (void*) android_view_GLES20Canvas_getClipBounds }, 361163935113919a184122b8b3bd672ef08c8df65dcRomain Guy#endif 362e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; 363e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 364163935113919a184122b8b3bd672ef08c8df65dcRomain Guy#ifdef USE_OPENGL_RENDERER 365163935113919a184122b8b3bd672ef08c8df65dcRomain Guy #define FIND_CLASS(var, className) \ 366163935113919a184122b8b3bd672ef08c8df65dcRomain Guy var = env->FindClass(className); \ 367163935113919a184122b8b3bd672ef08c8df65dcRomain Guy LOG_FATAL_IF(! var, "Unable to find class " className); \ 368163935113919a184122b8b3bd672ef08c8df65dcRomain Guy var = jclass(env->NewGlobalRef(var)); 369163935113919a184122b8b3bd672ef08c8df65dcRomain Guy 370163935113919a184122b8b3bd672ef08c8df65dcRomain Guy #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 371163935113919a184122b8b3bd672ef08c8df65dcRomain Guy var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 372163935113919a184122b8b3bd672ef08c8df65dcRomain Guy LOG_FATAL_IF(! var, "Unable to find method " methodName); 373163935113919a184122b8b3bd672ef08c8df65dcRomain Guy#else 374163935113919a184122b8b3bd672ef08c8df65dcRomain Guy #define FIND_CLASS(var, className) 375163935113919a184122b8b3bd672ef08c8df65dcRomain Guy #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 376163935113919a184122b8b3bd672ef08c8df65dcRomain Guy#endif 3779d5316e3f56d138504565ff311145ac01621dff4Romain Guy 378e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guyint register_android_view_GLES20Canvas(JNIEnv* env) { 3797ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy FIND_CLASS(gRectClassInfo.clazz, "android/graphics/Rect"); 3807ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy GET_METHOD_ID(gRectClassInfo.set, gRectClassInfo.clazz, "set", "(IIII)V"); 3819d5316e3f56d138504565ff311145ac01621dff4Romain Guy 382e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 383e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 384e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 385e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; 386