android_view_GLES20Canvas.cpp revision 06f96e2652e4855b6520ad9dd70583677605b79a
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> 349d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <Rect.h> 359d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <ui/Rect.h> 3685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 37e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy#include "TextLayout.h" 38e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 39e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 40e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 419d5316e3f56d138504565ff311145ac01621dff4Romain Guyusing namespace uirenderer; 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy// ---------------------------------------------------------------------------- 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Java APIs 459d5316e3f56d138504565ff311145ac01621dff4Romain Guy// ---------------------------------------------------------------------------- 469d5316e3f56d138504565ff311145ac01621dff4Romain Guy 479d5316e3f56d138504565ff311145ac01621dff4Romain Guystatic struct { 487ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy jclass clazz; 497ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy jmethodID set; 509d5316e3f56d138504565ff311145ac01621dff4Romain Guy} gRectClassInfo; 519d5316e3f56d138504565ff311145ac01621dff4Romain Guy 52e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 53e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// Constructors 54e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 55e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 56ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject canvas) { 5785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy return new OpenGLRenderer; 58e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 59e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 60ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject canvas, 61f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 62f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy delete renderer; 63e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 64e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 65e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 66e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// Setup 67e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 68e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 69ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject canvas, 70f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jint width, jint height) { 71f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->setViewport(width, height); 72e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 73e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 74ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject canvas, 75f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 76f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->prepare(); 77e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 78e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 79e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 80bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// State 81bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 82bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 83ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_save(JNIEnv* env, jobject canvas, OpenGLRenderer* renderer, 84bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy jint flags) { 85f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy return renderer->save(flags); 86f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 87bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 88ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject canvas, 89f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 90f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy return renderer->getSaveCount(); 91bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 92bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 93ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_restore(JNIEnv* env, jobject canvas, 94f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 95f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->restore(); 96bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 97bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 98ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject canvas, 99f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jint saveCount) { 100f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->restoreToCount(saveCount); 101bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 102bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 103f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// ---------------------------------------------------------------------------- 104bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 105bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// ---------------------------------------------------------------------------- 106bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 107ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject canvas, 108bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 109bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy SkPaint* paint, jint saveFlags) { 110bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 111bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 112bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 113ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject canvas, 114bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 115bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy jint alpha, jint saveFlags) { 116bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 117bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 118bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 119bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// ---------------------------------------------------------------------------- 120f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 121f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// ---------------------------------------------------------------------------- 122f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 123ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject canvas, 124c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 125c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy SkCanvas::EdgeType edge) { 126c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy return renderer->quickReject(left, top, right, bottom); 127c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 128c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 129ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject canvas, 130079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 131079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy SkRegion::Op op) { 132079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return renderer->clipRect(left, top, right, bottom, op); 133f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 134bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 135ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject canvas, 136079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 137079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy SkRegion::Op op) { 138079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 139bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 140bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 141ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject canvas, 1429d5316e3f56d138504565ff311145ac01621dff4Romain Guy OpenGLRenderer* renderer, jobject rect) { 1437ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 1449d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1457ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy env->CallVoidMethod(rect, gRectClassInfo.set, 1467ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 1479d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1487ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return !bounds.isEmpty(); 1499d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 1509d5316e3f56d138504565ff311145ac01621dff4Romain Guy 151bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 152f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 153bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 154bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 155ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_translate(JNIEnv* env, jobject canvas, 156f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 1577ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->translate(dx, dy); 158f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 159bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 160ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject canvas, 161f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jfloat degrees) { 1627ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->rotate(degrees); 163bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 164bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 165ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_scale(JNIEnv* env, jobject canvas, 166f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 1677ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->scale(sx, sy); 168f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 169bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 170ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject canvas, 171f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, SkMatrix* matrix) { 1727ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->setMatrix(matrix); 173f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 174f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 175ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject canvas, 176f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, SkMatrix* matrix) { 1777ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->getMatrix(matrix); 178f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 179f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 180ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject canvas, 181f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, SkMatrix* matrix) { 1827ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->concatMatrix(matrix); 183bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 184bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 185bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 186bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// Drawing 18785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy// ---------------------------------------------------------------------------- 18885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 189ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject canvas, 190dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, float left, float top, SkPaint* paint) { 191dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy renderer->drawBitmap(bitmap, left, top, paint); 192ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 193ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 194ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject canvas, 195ce0537b80087a6225273040a987414b1dd081aa0Romain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, 196ce0537b80087a6225273040a987414b1dd081aa0Romain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 197dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 198dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 199dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy dstLeft, dstTop, dstRight, dstBottom, paint); 200f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 2018ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 202f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guystatic void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject canvas, 203dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 204dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy renderer->drawBitmap(bitmap, matrix, paint); 205ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 206ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 207deba785f122a47915756ffd991f5540d952cf937Romain Guystatic void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject canvas, 208deba785f122a47915756ffd991f5540d952cf937Romain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray chunks, 209dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy float left, float top, float right, float bottom, SkPaint* paint) { 210deba785f122a47915756ffd991f5540d952cf937Romain Guy jbyte* storage = env->GetByteArrayElements(chunks, NULL); 211deba785f122a47915756ffd991f5540d952cf937Romain Guy Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 212deba785f122a47915756ffd991f5540d952cf937Romain Guy Res_png_9patch::deserialize(patch); 213deba785f122a47915756ffd991f5540d952cf937Romain Guy 214dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy renderer->drawPatch(bitmap, patch, left, top, right, bottom, paint); 215deba785f122a47915756ffd991f5540d952cf937Romain Guy 216deba785f122a47915756ffd991f5540d952cf937Romain Guy env->ReleaseByteArrayElements(chunks, storage, 0); 217deba785f122a47915756ffd991f5540d952cf937Romain Guy} 218deba785f122a47915756ffd991f5540d952cf937Romain Guy 219ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject canvas, 220ce0537b80087a6225273040a987414b1dd081aa0Romain Guy OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 221ce0537b80087a6225273040a987414b1dd081aa0Romain Guy renderer->drawColor(color, mode); 22285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 22385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 224ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject canvas, 225c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 226c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy SkPaint* paint) { 227c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy renderer->drawRect(left, top, right, bottom, paint); 228c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 229c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 23085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy// ---------------------------------------------------------------------------- 231d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 232d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// ---------------------------------------------------------------------------- 233d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 234d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guystatic void android_view_GLES20Canvas_resetShader(JNIEnv* env, jobject canvas, 235d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy OpenGLRenderer* renderer) { 236d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy renderer->resetShader(); 237d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy} 238d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 23906f96e2652e4855b6520ad9dd70583677605b79aRomain Guystatic void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject canvas, 24006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy OpenGLRenderer* renderer, SkiaShader* shader) { 24106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy renderer->setupShader(shader); 2427fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 2437fac2e18339f765320d759e8d4c090f92431959eRomain Guy 244d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// ---------------------------------------------------------------------------- 245a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy// Text 246a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy// ---------------------------------------------------------------------------- 247a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 248e8e62a4a032a80409114a37908b5f18ab0080848Romain Guystatic void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 249e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy jfloat x, jfloat y, int flags, SkPaint* paint) { 250e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy const jchar *workText; 2519226298891119acff6b5e8b65fb7074fb99dc0c0Romain Guy jchar* buffer = NULL; 252e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy int32_t workBytes; 2539226298891119acff6b5e8b65fb7074fb99dc0c0Romain Guy if (TextLayout::prepareText(paint, text, count, flags, &workText, &workBytes, &buffer)) { 254e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy renderer->drawText((const char*) workText, workBytes, count, x, y, paint); 2559226298891119acff6b5e8b65fb7074fb99dc0c0Romain Guy free(buffer); 256e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 257e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy} 258e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 259a1db574036c9bc2d397b69f8200594027e1fff16Romain Guystatic void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject canvas, 260a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy OpenGLRenderer* renderer, jcharArray text, int index, int count, 261a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy jfloat x, jfloat y, int flags, SkPaint* paint) { 262a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy jchar* textArray = env->GetCharArrayElements(text, NULL); 263e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy renderText(renderer, textArray + index, count, x, y, flags, paint); 264a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 265a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 266a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 267a1db574036c9bc2d397b69f8200594027e1fff16Romain Guystatic void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject canvas, 268a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy OpenGLRenderer* renderer, jstring text, int start, int end, 269a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy jfloat x, jfloat y, int flags, SkPaint* paint) { 270a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy const jchar* textArray = env->GetStringChars(text, NULL); 271e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy renderText(renderer, textArray + start, end - start, x, y, flags, paint); 272a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy env->ReleaseStringChars(text, textArray); 273a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 274a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 275a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy// ---------------------------------------------------------------------------- 276e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// JNI Glue 277e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 278e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 279e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guyconst char* const kClassPathName = "android/view/GLES20Canvas"; 280e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 281e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guystatic JNINativeMethod gMethods[] = { 282dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 283dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 284dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 285dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nPrepare", "(I)V", (void*) android_view_GLES20Canvas_prepare }, 286dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 287dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 288dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 289dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 290dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 291dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 292dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 293dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 294dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 295dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 296079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 297079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 298dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 299dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 300dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 301dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 302dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 303dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 304dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 305dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 306dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 307dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawBitmap", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 308dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawBitmap", "(IIFFFFFFFFI)V", (void*) android_view_GLES20Canvas_drawBitmapRect }, 309dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawBitmap", "(IIII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 310dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawPatch", "(II[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 311dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 312dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 313f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 314d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy { "nResetShader", "(I)V", (void*) android_view_GLES20Canvas_resetShader }, 31506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 316d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 317a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 318a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy { "nDrawText", "(ILjava/lang/String;IIFFII)V", 319a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy (void*) android_view_GLES20Canvas_drawText }, 320a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 321c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 322ce0537b80087a6225273040a987414b1dd081aa0Romain Guy (void*) android_view_GLES20Canvas_getClipBounds }, 323e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; 324e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 3259d5316e3f56d138504565ff311145ac01621dff4Romain Guy#define FIND_CLASS(var, className) \ 3269d5316e3f56d138504565ff311145ac01621dff4Romain Guy var = env->FindClass(className); \ 3279d5316e3f56d138504565ff311145ac01621dff4Romain Guy LOG_FATAL_IF(! var, "Unable to find class " className); \ 3289d5316e3f56d138504565ff311145ac01621dff4Romain Guy var = jclass(env->NewGlobalRef(var)); 3299d5316e3f56d138504565ff311145ac01621dff4Romain Guy 3309d5316e3f56d138504565ff311145ac01621dff4Romain Guy#define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 3319d5316e3f56d138504565ff311145ac01621dff4Romain Guy var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 3329d5316e3f56d138504565ff311145ac01621dff4Romain Guy LOG_FATAL_IF(! var, "Unable to find method " methodName); 3339d5316e3f56d138504565ff311145ac01621dff4Romain Guy 334e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guyint register_android_view_GLES20Canvas(JNIEnv* env) { 3357ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy FIND_CLASS(gRectClassInfo.clazz, "android/graphics/Rect"); 3367ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy GET_METHOD_ID(gRectClassInfo.set, gRectClassInfo.clazz, "set", "(IIII)V"); 3379d5316e3f56d138504565ff311145ac01621dff4Romain Guy 338e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 339e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 340e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 341e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; 342