android_view_GLES20Canvas.cpp revision deba785f122a47915756ffd991f5540d952cf937
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 17e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include "jni.h" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <nativehelper/JNIHelp.h> 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <android_runtime/AndroidRuntime.h> 20deba785f122a47915756ffd991f5540d952cf937Romain Guy#include <utils/ResourceTypes.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 22ce0537b80087a6225273040a987414b1dd081aa0Romain Guy#include <SkBitmap.h> 23c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy#include <SkCanvas.h> 24f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include <SkMatrix.h> 25c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy#include <SkPaint.h> 2685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include <SkXfermode.h> 27e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include <OpenGLRenderer.h> 299d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <Rect.h> 309d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <ui/Rect.h> 3185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 32e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 33e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 349d5316e3f56d138504565ff311145ac01621dff4Romain Guyusing namespace uirenderer; 359d5316e3f56d138504565ff311145ac01621dff4Romain Guy 369d5316e3f56d138504565ff311145ac01621dff4Romain Guy// ---------------------------------------------------------------------------- 379d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Java APIs 389d5316e3f56d138504565ff311145ac01621dff4Romain Guy// ---------------------------------------------------------------------------- 399d5316e3f56d138504565ff311145ac01621dff4Romain Guy 409d5316e3f56d138504565ff311145ac01621dff4Romain Guystatic struct { 417ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy jclass clazz; 427ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy jmethodID set; 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy} gRectClassInfo; 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy 45e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 46e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// Constructors 47e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 48e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 49ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject canvas) { 5085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy return new OpenGLRenderer; 51e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 52e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 53ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject canvas, 54f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 55f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy delete renderer; 56e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 57e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 58e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 59e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// Setup 60e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 61e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 62ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject canvas, 63f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jint width, jint height) { 64f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->setViewport(width, height); 65e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 66e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 67ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject canvas, 68f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 69f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->prepare(); 70e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 71e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 72e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 73bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// State 74bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 75bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 76ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_save(JNIEnv* env, jobject canvas, OpenGLRenderer* renderer, 77bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy jint flags) { 78f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy return renderer->save(flags); 79f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 80bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 81ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject canvas, 82f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 83f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy return renderer->getSaveCount(); 84bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 85bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 86ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_restore(JNIEnv* env, jobject canvas, 87f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 88f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->restore(); 89bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 90bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 91ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject canvas, 92f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jint saveCount) { 93f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->restoreToCount(saveCount); 94bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 95bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 96f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// ---------------------------------------------------------------------------- 97bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 98bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// ---------------------------------------------------------------------------- 99bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 100ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject canvas, 101bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 102bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy SkPaint* paint, jint saveFlags) { 103bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 104bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 105bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 106ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject canvas, 107bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 108bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy jint alpha, jint saveFlags) { 109bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 110bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 111bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 112bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// ---------------------------------------------------------------------------- 113f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 114f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// ---------------------------------------------------------------------------- 115f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 116ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject canvas, 117c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 118c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy SkCanvas::EdgeType edge) { 119c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy return renderer->quickReject(left, top, right, bottom); 120c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 121c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 122ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject canvas, 123f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom) { 124f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy return renderer->clipRect(left, top, right, bottom); 125f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 126bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 127ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject canvas, 128f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom) { 129f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy return renderer->clipRect(float(left), float(top), float(right), float(bottom)); 130bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 131bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 132ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject canvas, 1339d5316e3f56d138504565ff311145ac01621dff4Romain Guy OpenGLRenderer* renderer, jobject rect) { 1347ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 1359d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1367ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy env->CallVoidMethod(rect, gRectClassInfo.set, 1377ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 1389d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1397ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return !bounds.isEmpty(); 1409d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 1419d5316e3f56d138504565ff311145ac01621dff4Romain Guy 142bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 143f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 144bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 145bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 146ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_translate(JNIEnv* env, jobject canvas, 147f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 1487ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->translate(dx, dy); 149f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 150bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 151ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject canvas, 152f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jfloat degrees) { 1537ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->rotate(degrees); 154bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 155bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 156ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_scale(JNIEnv* env, jobject canvas, 157f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 1587ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->scale(sx, sy); 159f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 160bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 161ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject canvas, 162f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, SkMatrix* matrix) { 1637ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->setMatrix(matrix); 164f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 165f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 166ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject canvas, 167f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, SkMatrix* matrix) { 1687ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->getMatrix(matrix); 169f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 170f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 171ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject canvas, 172f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, SkMatrix* matrix) { 1737ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->concatMatrix(matrix); 174bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 175bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 176bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 177bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// Drawing 17885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy// ---------------------------------------------------------------------------- 17985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 180ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject canvas, 181ce0537b80087a6225273040a987414b1dd081aa0Romain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, float left, float top, 182ce0537b80087a6225273040a987414b1dd081aa0Romain Guy SkPaint* paint, jint bitmapDensity, jint canvasDensity,jint screenDensity) { 183ce0537b80087a6225273040a987414b1dd081aa0Romain Guy if (canvasDensity == bitmapDensity || canvasDensity == 0 || bitmapDensity == 0) { 184ce0537b80087a6225273040a987414b1dd081aa0Romain Guy renderer->drawBitmap(bitmap, left, top, paint); 185ce0537b80087a6225273040a987414b1dd081aa0Romain Guy } else { 186ce0537b80087a6225273040a987414b1dd081aa0Romain Guy renderer->save(0); 187ce0537b80087a6225273040a987414b1dd081aa0Romain Guy const float scale = canvasDensity / float(bitmapDensity); 188ce0537b80087a6225273040a987414b1dd081aa0Romain Guy renderer->translate(left, top); 189ce0537b80087a6225273040a987414b1dd081aa0Romain Guy renderer->scale(scale, scale); 190ce0537b80087a6225273040a987414b1dd081aa0Romain Guy renderer->drawBitmap(bitmap, left, top, paint); 191ce0537b80087a6225273040a987414b1dd081aa0Romain Guy renderer->restore(); 192ce0537b80087a6225273040a987414b1dd081aa0Romain Guy } 193ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 194ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 195ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject canvas, 196ce0537b80087a6225273040a987414b1dd081aa0Romain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, 197ce0537b80087a6225273040a987414b1dd081aa0Romain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 198ce0537b80087a6225273040a987414b1dd081aa0Romain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 199f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy SkPaint* paint, jint bitmapDensity, jint canvasDensity, jint screenDensity) { 2008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (canvasDensity == bitmapDensity || canvasDensity == 0 || bitmapDensity == 0) { 2018ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 202f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy dstLeft, dstTop, dstRight, dstBottom, paint); 2038ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 204f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy // TODO: implement 205f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy } 206f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 2078ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 208f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guystatic void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject canvas, 209f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint, 210f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy jint bitmapDensity, jint canvasDensity,jint screenDensity) { 211f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy if (canvasDensity == bitmapDensity || canvasDensity == 0 || bitmapDensity == 0) { 212f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy renderer->drawBitmap(bitmap, matrix, paint); 213f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy } else { 214f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy // TODO: implement 2158ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 216ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 217ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 218deba785f122a47915756ffd991f5540d952cf937Romain Guystatic void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject canvas, 219deba785f122a47915756ffd991f5540d952cf937Romain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray chunks, 220deba785f122a47915756ffd991f5540d952cf937Romain Guy float left, float top, float right, float bottom, SkPaint* paint, 221deba785f122a47915756ffd991f5540d952cf937Romain Guy jint bitmapDensity, jint canvasDensity,jint screenDensity) { 222deba785f122a47915756ffd991f5540d952cf937Romain Guy 223deba785f122a47915756ffd991f5540d952cf937Romain Guy jbyte* storage = env->GetByteArrayElements(chunks, NULL); 224deba785f122a47915756ffd991f5540d952cf937Romain Guy Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 225deba785f122a47915756ffd991f5540d952cf937Romain Guy Res_png_9patch::deserialize(patch); 226deba785f122a47915756ffd991f5540d952cf937Romain Guy 227deba785f122a47915756ffd991f5540d952cf937Romain Guy if (canvasDensity == bitmapDensity || canvasDensity == 0 || bitmapDensity == 0) { 228deba785f122a47915756ffd991f5540d952cf937Romain Guy renderer->drawPatch(bitmap, patch, left, top, right, bottom, paint); 229deba785f122a47915756ffd991f5540d952cf937Romain Guy } else { 230deba785f122a47915756ffd991f5540d952cf937Romain Guy renderer->save(0); 231deba785f122a47915756ffd991f5540d952cf937Romain Guy const float scale = canvasDensity / float(bitmapDensity); 232deba785f122a47915756ffd991f5540d952cf937Romain Guy renderer->translate(left, top); 233deba785f122a47915756ffd991f5540d952cf937Romain Guy renderer->scale(scale, scale); 234deba785f122a47915756ffd991f5540d952cf937Romain Guy left = top = 0.0f; 235deba785f122a47915756ffd991f5540d952cf937Romain Guy right = (right - left) / scale; 236deba785f122a47915756ffd991f5540d952cf937Romain Guy bottom = (bottom - top) / scale; 237deba785f122a47915756ffd991f5540d952cf937Romain Guy renderer->drawPatch(bitmap, patch, left, top, right, bottom, paint); 238deba785f122a47915756ffd991f5540d952cf937Romain Guy renderer->restore(); 239deba785f122a47915756ffd991f5540d952cf937Romain Guy } 240deba785f122a47915756ffd991f5540d952cf937Romain Guy 241deba785f122a47915756ffd991f5540d952cf937Romain Guy // TODO: make sure that 0 is correct for the flags 242deba785f122a47915756ffd991f5540d952cf937Romain Guy env->ReleaseByteArrayElements(chunks, storage, 0); 243deba785f122a47915756ffd991f5540d952cf937Romain Guy} 244deba785f122a47915756ffd991f5540d952cf937Romain Guy 245ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject canvas, 246ce0537b80087a6225273040a987414b1dd081aa0Romain Guy OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 247ce0537b80087a6225273040a987414b1dd081aa0Romain Guy renderer->drawColor(color, mode); 24885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 24985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 250ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject canvas, 251c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 252c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy SkPaint* paint) { 253c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy renderer->drawRect(left, top, right, bottom, paint); 254c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 255c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 25685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy// ---------------------------------------------------------------------------- 257e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// JNI Glue 258e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 259e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 260e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guyconst char* const kClassPathName = "android/view/GLES20Canvas"; 261e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 262e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guystatic JNINativeMethod gMethods[] = { 263ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 264ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 265ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 266ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nPrepare", "(I)V", (void*) android_view_GLES20Canvas_prepare }, 267bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 268ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 269ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 270ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 271ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 272bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 273ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 274ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 275bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 276ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 277ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nClipRect", "(IFFFF)Z", (void*) android_view_GLES20Canvas_clipRectF }, 278ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nClipRect", "(IIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 279bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 280ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 281ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 282ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 283bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 284ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 285ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 286ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 287bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 288ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nDrawBitmap", "(IIFFIIII)V", (void*) android_view_GLES20Canvas_drawBitmap }, 289f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy { "nDrawBitmap", "(IIFFFFFFFFIIII)V", (void*) android_view_GLES20Canvas_drawBitmapRect }, 290f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy { "nDrawBitmap", "(IIIIIII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 291deba785f122a47915756ffd991f5540d952cf937Romain Guy { "nDrawPatch", "(II[BFFFFIIII)V", (void*) android_view_GLES20Canvas_drawPatch }, 292ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 293ce0537b80087a6225273040a987414b1dd081aa0Romain Guy { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 294f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 295c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 296ce0537b80087a6225273040a987414b1dd081aa0Romain Guy (void*) android_view_GLES20Canvas_getClipBounds }, 297e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; 298e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 2999d5316e3f56d138504565ff311145ac01621dff4Romain Guy#define FIND_CLASS(var, className) \ 3009d5316e3f56d138504565ff311145ac01621dff4Romain Guy var = env->FindClass(className); \ 3019d5316e3f56d138504565ff311145ac01621dff4Romain Guy LOG_FATAL_IF(! var, "Unable to find class " className); \ 3029d5316e3f56d138504565ff311145ac01621dff4Romain Guy var = jclass(env->NewGlobalRef(var)); 3039d5316e3f56d138504565ff311145ac01621dff4Romain Guy 3049d5316e3f56d138504565ff311145ac01621dff4Romain Guy#define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 3059d5316e3f56d138504565ff311145ac01621dff4Romain Guy var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 3069d5316e3f56d138504565ff311145ac01621dff4Romain Guy LOG_FATAL_IF(! var, "Unable to find method " methodName); 3079d5316e3f56d138504565ff311145ac01621dff4Romain Guy 308e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guyint register_android_view_GLES20Canvas(JNIEnv* env) { 3097ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy FIND_CLASS(gRectClassInfo.clazz, "android/graphics/Rect"); 3107ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy GET_METHOD_ID(gRectClassInfo.set, gRectClassInfo.clazz, "set", "(IIII)V"); 3119d5316e3f56d138504565ff311145ac01621dff4Romain Guy 312e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 313e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 314e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 315e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; 316