android_view_GLES20Canvas.cpp revision e8e62a4a032a80409114a37908b5f18ab0080848
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> 339d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <Rect.h> 349d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <ui/Rect.h> 3585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 36e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy#include "TextLayout.h" 37e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 38e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 39e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 409d5316e3f56d138504565ff311145ac01621dff4Romain Guyusing namespace uirenderer; 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy// ---------------------------------------------------------------------------- 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Java APIs 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy// ---------------------------------------------------------------------------- 459d5316e3f56d138504565ff311145ac01621dff4Romain Guy 469d5316e3f56d138504565ff311145ac01621dff4Romain Guystatic struct { 477ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy jclass clazz; 487ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy jmethodID set; 499d5316e3f56d138504565ff311145ac01621dff4Romain Guy} gRectClassInfo; 509d5316e3f56d138504565ff311145ac01621dff4Romain Guy 51e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 52e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// Constructors 53e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 54e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 55ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject canvas) { 5685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy return new OpenGLRenderer; 57e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 58e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 59ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject canvas, 60f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 61f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy delete renderer; 62e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 63e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 64e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 65e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// Setup 66e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 67e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 68ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject canvas, 69f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jint width, jint height) { 70f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->setViewport(width, height); 71e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 72e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 73ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject canvas, 74f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 75f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->prepare(); 76e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 77e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 78e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 79bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// State 80bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 81bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 82ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_save(JNIEnv* env, jobject canvas, OpenGLRenderer* renderer, 83bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy jint flags) { 84f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy return renderer->save(flags); 85f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 86bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 87ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject canvas, 88f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 89f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy return renderer->getSaveCount(); 90bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 91bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 92ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_restore(JNIEnv* env, jobject canvas, 93f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer) { 94f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->restore(); 95bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 96bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 97ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject canvas, 98f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jint saveCount) { 99f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy renderer->restoreToCount(saveCount); 100bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 101bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 102f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// ---------------------------------------------------------------------------- 103bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 104bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// ---------------------------------------------------------------------------- 105bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 106ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject canvas, 107bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 108bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy SkPaint* paint, jint saveFlags) { 109bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 110bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 111bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 112ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject canvas, 113bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 114bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy jint alpha, jint saveFlags) { 115bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 116bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 117bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 118bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// ---------------------------------------------------------------------------- 119f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 120f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// ---------------------------------------------------------------------------- 121f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 122ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject canvas, 123c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 124c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy SkCanvas::EdgeType edge) { 125c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy return renderer->quickReject(left, top, right, bottom); 126c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 127c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 128ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject canvas, 129079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 130079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy SkRegion::Op op) { 131079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return renderer->clipRect(left, top, right, bottom, op); 132f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 133bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 134ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject canvas, 135079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 136079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy SkRegion::Op op) { 137079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 138bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 139bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 140ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject canvas, 1419d5316e3f56d138504565ff311145ac01621dff4Romain Guy OpenGLRenderer* renderer, jobject rect) { 1427ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 1439d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1447ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy env->CallVoidMethod(rect, gRectClassInfo.set, 1457ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 1469d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1477ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return !bounds.isEmpty(); 1489d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 1499d5316e3f56d138504565ff311145ac01621dff4Romain Guy 150bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 151f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 152bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 153bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 154ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_translate(JNIEnv* env, jobject canvas, 155f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 1567ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->translate(dx, dy); 157f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 158bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 159ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject canvas, 160f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jfloat degrees) { 1617ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->rotate(degrees); 162bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 163bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 164ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_scale(JNIEnv* env, jobject canvas, 165f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 1667ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->scale(sx, sy); 167f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 168bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 169ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject canvas, 170f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, SkMatrix* matrix) { 1717ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->setMatrix(matrix); 172f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 173f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 174ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject canvas, 175f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, SkMatrix* matrix) { 1767ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->getMatrix(matrix); 177f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 178f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 179ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject canvas, 180f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy OpenGLRenderer* renderer, SkMatrix* matrix) { 1817ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy renderer->concatMatrix(matrix); 182bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 183bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 184bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// ---------------------------------------------------------------------------- 185bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// Drawing 18685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy// ---------------------------------------------------------------------------- 18785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 188ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject canvas, 189dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, float left, float top, SkPaint* paint) { 190dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy renderer->drawBitmap(bitmap, left, top, paint); 191ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 192ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 193ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject canvas, 194ce0537b80087a6225273040a987414b1dd081aa0Romain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, 195ce0537b80087a6225273040a987414b1dd081aa0Romain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 196dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 197dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 198dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy dstLeft, dstTop, dstRight, dstBottom, paint); 199f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 2008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 201f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guystatic void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject canvas, 202dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 203dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy renderer->drawBitmap(bitmap, matrix, paint); 204ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 205ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 206deba785f122a47915756ffd991f5540d952cf937Romain Guystatic void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject canvas, 207deba785f122a47915756ffd991f5540d952cf937Romain Guy OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray chunks, 208dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy float left, float top, float right, float bottom, SkPaint* paint) { 209deba785f122a47915756ffd991f5540d952cf937Romain Guy jbyte* storage = env->GetByteArrayElements(chunks, NULL); 210deba785f122a47915756ffd991f5540d952cf937Romain Guy Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 211deba785f122a47915756ffd991f5540d952cf937Romain Guy Res_png_9patch::deserialize(patch); 212deba785f122a47915756ffd991f5540d952cf937Romain Guy 213dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy renderer->drawPatch(bitmap, patch, left, top, right, bottom, paint); 214deba785f122a47915756ffd991f5540d952cf937Romain Guy 215deba785f122a47915756ffd991f5540d952cf937Romain Guy env->ReleaseByteArrayElements(chunks, storage, 0); 216deba785f122a47915756ffd991f5540d952cf937Romain Guy} 217deba785f122a47915756ffd991f5540d952cf937Romain Guy 218ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject canvas, 219ce0537b80087a6225273040a987414b1dd081aa0Romain Guy OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 220ce0537b80087a6225273040a987414b1dd081aa0Romain Guy renderer->drawColor(color, mode); 22185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 22285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 223ce0537b80087a6225273040a987414b1dd081aa0Romain Guystatic void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject canvas, 224c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 225c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy SkPaint* paint) { 226c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy renderer->drawRect(left, top, right, bottom, paint); 227c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 228c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 22985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy// ---------------------------------------------------------------------------- 230d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 231d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// ---------------------------------------------------------------------------- 232d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 233d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guystatic void android_view_GLES20Canvas_resetShader(JNIEnv* env, jobject canvas, 234d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy OpenGLRenderer* renderer) { 235d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy renderer->resetShader(); 236d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy} 237d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 238d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guystatic void android_view_GLES20Canvas_setupBitmapShader(JNIEnv* env, jobject canvas, 239d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy OpenGLRenderer* renderer, SkShader* shader, SkBitmap* bitmap, 240d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy SkShader::TileMode tileX, SkShader::TileMode tileY, SkMatrix* matrix) { 241d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy renderer->setupBitmapShader(bitmap, tileX, tileY, matrix, 242d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy (shader->getFlags() & SkShader::kOpaqueAlpha_Flag) == 0); 243d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy} 244d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2457fac2e18339f765320d759e8d4c090f92431959eRomain Guystatic void android_view_GLES20Canvas_setupLinearShader(JNIEnv* env, jobject canvas, 2467fac2e18339f765320d759e8d4c090f92431959eRomain Guy OpenGLRenderer* renderer, SkShader* shader, float* bounds, uint32_t* colors, 247c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy float* positions, int count, SkShader::TileMode tileMode, SkMatrix* matrix) { 248c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy renderer->setupLinearGradientShader(shader, bounds, colors, positions, count, 249c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy tileMode, matrix, (shader->getFlags() & SkShader::kOpaqueAlpha_Flag) == 0); 2507fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 2517fac2e18339f765320d759e8d4c090f92431959eRomain Guy 252d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// ---------------------------------------------------------------------------- 253a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy// Text 254a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy// ---------------------------------------------------------------------------- 255a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 256e8e62a4a032a80409114a37908b5f18ab0080848Romain Guystatic void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 257e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy jfloat x, jfloat y, int flags, SkPaint* paint) { 258e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy const jchar *workText; 259e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy int32_t workBytes; 260e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy if (TextLayout::prepareText(paint, text, count, flags, &workText, &workBytes)) { 261e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy renderer->drawText((const char*) workText, workBytes, count, x, y, paint); 262e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 263e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy} 264e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 265a1db574036c9bc2d397b69f8200594027e1fff16Romain Guystatic void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject canvas, 266a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy OpenGLRenderer* renderer, jcharArray text, int index, int count, 267a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy jfloat x, jfloat y, int flags, SkPaint* paint) { 268a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy jchar* textArray = env->GetCharArrayElements(text, NULL); 269e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy renderText(renderer, textArray + index, count, x, y, flags, paint); 270a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 271a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 272a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 273a1db574036c9bc2d397b69f8200594027e1fff16Romain Guystatic void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject canvas, 274a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy OpenGLRenderer* renderer, jstring text, int start, int end, 275a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy jfloat x, jfloat y, int flags, SkPaint* paint) { 276a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy const jchar* textArray = env->GetStringChars(text, NULL); 277e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy renderText(renderer, textArray + start, end - start, x, y, flags, paint); 278a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy env->ReleaseStringChars(text, textArray); 279a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 280a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 281a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy// ---------------------------------------------------------------------------- 282e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// JNI Glue 283e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy// ---------------------------------------------------------------------------- 284e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 285e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guyconst char* const kClassPathName = "android/view/GLES20Canvas"; 286e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 287e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guystatic JNINativeMethod gMethods[] = { 288dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 289dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 290dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 291dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nPrepare", "(I)V", (void*) android_view_GLES20Canvas_prepare }, 292dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 293dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 294dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 295dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 296dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 297dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 298dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 299dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 300dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 301dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 302079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 303079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 304dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 305dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 306dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 307dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 308dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 309dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 310dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 311dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 312dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy 313dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawBitmap", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 314dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawBitmap", "(IIFFFFFFFFI)V", (void*) android_view_GLES20Canvas_drawBitmapRect }, 315dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawBitmap", "(IIII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 316dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawPatch", "(II[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 317dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 318dbd77cd444f89d94ec5333223c1bc17dbe0c90cdRomain Guy { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 319f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 320d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy { "nResetShader", "(I)V", (void*) android_view_GLES20Canvas_resetShader }, 321d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy { "nSetupBitmapShader", "(IIIIII)V", (void*) android_view_GLES20Canvas_setupBitmapShader }, 322c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy { "nSetupLinearShader", "(IIIIIIII)V", (void*) android_view_GLES20Canvas_setupLinearShader }, 323d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 324a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 325a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy { "nDrawText", "(ILjava/lang/String;IIFFII)V", 326a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy (void*) android_view_GLES20Canvas_drawText }, 327a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 328c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 329ce0537b80087a6225273040a987414b1dd081aa0Romain Guy (void*) android_view_GLES20Canvas_getClipBounds }, 330e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; 331e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 3329d5316e3f56d138504565ff311145ac01621dff4Romain Guy#define FIND_CLASS(var, className) \ 3339d5316e3f56d138504565ff311145ac01621dff4Romain Guy var = env->FindClass(className); \ 3349d5316e3f56d138504565ff311145ac01621dff4Romain Guy LOG_FATAL_IF(! var, "Unable to find class " className); \ 3359d5316e3f56d138504565ff311145ac01621dff4Romain Guy var = jclass(env->NewGlobalRef(var)); 3369d5316e3f56d138504565ff311145ac01621dff4Romain Guy 3379d5316e3f56d138504565ff311145ac01621dff4Romain Guy#define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 3389d5316e3f56d138504565ff311145ac01621dff4Romain Guy var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 3399d5316e3f56d138504565ff311145ac01621dff4Romain Guy LOG_FATAL_IF(! var, "Unable to find method " methodName); 3409d5316e3f56d138504565ff311145ac01621dff4Romain Guy 341e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guyint register_android_view_GLES20Canvas(JNIEnv* env) { 3427ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy FIND_CLASS(gRectClassInfo.clazz, "android/graphics/Rect"); 3437ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy GET_METHOD_ID(gRectClassInfo.set, gRectClassInfo.clazz, "set", "(IIII)V"); 3449d5316e3f56d138504565ff311145ac01621dff4Romain Guy 345e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 346e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 347e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 348e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; 349