| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "jni.h" |
| #include <nativehelper/JNIHelp.h> |
| #include <android_runtime/AndroidRuntime.h> |
| #include <utils/ResourceTypes.h> |
| |
| #include <SkBitmap.h> |
| #include <SkCanvas.h> |
| #include <SkMatrix.h> |
| #include <SkPaint.h> |
| #include <SkXfermode.h> |
| |
| #include <OpenGLRenderer.h> |
| #include <Rect.h> |
| #include <ui/Rect.h> |
| |
| namespace android { |
| |
| using namespace uirenderer; |
| |
| // ---------------------------------------------------------------------------- |
| // Java APIs |
| // ---------------------------------------------------------------------------- |
| |
| static struct { |
| jclass clazz; |
| jmethodID set; |
| } gRectClassInfo; |
| |
| // ---------------------------------------------------------------------------- |
| // Constructors |
| // ---------------------------------------------------------------------------- |
| |
| static OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject canvas) { |
| return new OpenGLRenderer; |
| } |
| |
| static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer) { |
| delete renderer; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Setup |
| // ---------------------------------------------------------------------------- |
| |
| static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, jint width, jint height) { |
| renderer->setViewport(width, height); |
| } |
| |
| static void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer) { |
| renderer->prepare(); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // State |
| // ---------------------------------------------------------------------------- |
| |
| static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject canvas, OpenGLRenderer* renderer, |
| jint flags) { |
| return renderer->save(flags); |
| } |
| |
| static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer) { |
| return renderer->getSaveCount(); |
| } |
| |
| static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer) { |
| renderer->restore(); |
| } |
| |
| static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, jint saveCount) { |
| renderer->restoreToCount(saveCount); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Layers |
| // ---------------------------------------------------------------------------- |
| |
| static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, |
| SkPaint* paint, jint saveFlags) { |
| return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); |
| } |
| |
| static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, |
| jint alpha, jint saveFlags) { |
| return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Clipping |
| // ---------------------------------------------------------------------------- |
| |
| static bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, |
| SkCanvas::EdgeType edge) { |
| return renderer->quickReject(left, top, right, bottom); |
| } |
| |
| static bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom) { |
| return renderer->clipRect(left, top, right, bottom); |
| } |
| |
| static bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom) { |
| return renderer->clipRect(float(left), float(top), float(right), float(bottom)); |
| } |
| |
| static bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, jobject rect) { |
| const android::uirenderer::Rect& bounds(renderer->getClipBounds()); |
| |
| env->CallVoidMethod(rect, gRectClassInfo.set, |
| int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); |
| |
| return !bounds.isEmpty(); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Transforms |
| // ---------------------------------------------------------------------------- |
| |
| static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, jfloat dx, jfloat dy) { |
| renderer->translate(dx, dy); |
| } |
| |
| static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, jfloat degrees) { |
| renderer->rotate(degrees); |
| } |
| |
| static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, jfloat sx, jfloat sy) { |
| renderer->scale(sx, sy); |
| } |
| |
| static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, SkMatrix* matrix) { |
| renderer->setMatrix(matrix); |
| } |
| |
| static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, SkMatrix* matrix) { |
| renderer->getMatrix(matrix); |
| } |
| |
| static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, SkMatrix* matrix) { |
| renderer->concatMatrix(matrix); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Drawing |
| // ---------------------------------------------------------------------------- |
| |
| static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, SkBitmap* bitmap, float left, float top, SkPaint* paint) { |
| renderer->drawBitmap(bitmap, left, top, paint); |
| } |
| |
| static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, SkBitmap* bitmap, |
| float srcLeft, float srcTop, float srcRight, float srcBottom, |
| float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { |
| renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, |
| dstLeft, dstTop, dstRight, dstBottom, paint); |
| } |
| |
| static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { |
| renderer->drawBitmap(bitmap, matrix, paint); |
| } |
| |
| static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray chunks, |
| float left, float top, float right, float bottom, SkPaint* paint) { |
| |
| jbyte* storage = env->GetByteArrayElements(chunks, NULL); |
| Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); |
| Res_png_9patch::deserialize(patch); |
| |
| renderer->drawPatch(bitmap, patch, left, top, right, bottom, paint); |
| |
| // TODO: make sure that 0 is correct for the flags |
| env->ReleaseByteArrayElements(chunks, storage, 0); |
| } |
| |
| static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { |
| renderer->drawColor(color, mode); |
| } |
| |
| static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, |
| SkPaint* paint) { |
| renderer->drawRect(left, top, right, bottom, paint); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Shaders |
| // ---------------------------------------------------------------------------- |
| |
| static void android_view_GLES20Canvas_resetShader(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer) { |
| renderer->resetShader(); |
| } |
| |
| static void android_view_GLES20Canvas_setupBitmapShader(JNIEnv* env, jobject canvas, |
| OpenGLRenderer* renderer, SkShader* shader, SkBitmap* bitmap, |
| SkShader::TileMode tileX, SkShader::TileMode tileY, SkMatrix* matrix) { |
| renderer->setupBitmapShader(bitmap, tileX, tileY, matrix, |
| (shader->getFlags() & SkShader::kOpaqueAlpha_Flag) == 0); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // JNI Glue |
| // ---------------------------------------------------------------------------- |
| |
| const char* const kClassPathName = "android/view/GLES20Canvas"; |
| |
| static JNINativeMethod gMethods[] = { |
| { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, |
| { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, |
| { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, |
| { "nPrepare", "(I)V", (void*) android_view_GLES20Canvas_prepare }, |
| |
| { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, |
| { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, |
| { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, |
| { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, |
| |
| { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, |
| { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, |
| |
| { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, |
| { "nClipRect", "(IFFFF)Z", (void*) android_view_GLES20Canvas_clipRectF }, |
| { "nClipRect", "(IIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, |
| |
| { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, |
| { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, |
| { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, |
| |
| { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, |
| { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, |
| { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, |
| |
| { "nDrawBitmap", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, |
| { "nDrawBitmap", "(IIFFFFFFFFI)V", (void*) android_view_GLES20Canvas_drawBitmapRect }, |
| { "nDrawBitmap", "(IIII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, |
| { "nDrawPatch", "(II[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, |
| { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, |
| { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, |
| |
| { "nResetShader", "(I)V", (void*) android_view_GLES20Canvas_resetShader }, |
| { "nSetupBitmapShader", "(IIIIII)V", (void*) android_view_GLES20Canvas_setupBitmapShader }, |
| |
| { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", |
| (void*) android_view_GLES20Canvas_getClipBounds }, |
| }; |
| |
| #define FIND_CLASS(var, className) \ |
| var = env->FindClass(className); \ |
| LOG_FATAL_IF(! var, "Unable to find class " className); \ |
| var = jclass(env->NewGlobalRef(var)); |
| |
| #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ |
| var = env->GetMethodID(clazz, methodName, methodDescriptor); \ |
| LOG_FATAL_IF(! var, "Unable to find method " methodName); |
| |
| int register_android_view_GLES20Canvas(JNIEnv* env) { |
| FIND_CLASS(gRectClassInfo.clazz, "android/graphics/Rect"); |
| GET_METHOD_ID(gRectClassInfo.set, gRectClassInfo.clazz, "set", "(IIII)V"); |
| |
| return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); |
| } |
| |
| }; |