| /* |
| * Copyright (C) 2011 Skia |
| * |
| * 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 "GrContext.h" |
| #include "GrGLInterface.h" |
| #include "SampleApp.h" |
| #include "SkApplication.h" |
| #include "SkCanvas.h" |
| #include "SkDevice.h" |
| #include "SkEvent.h" |
| #include "SkGpuCanvas.h" |
| #include "SkWindow.h" |
| |
| #include <jni.h> |
| #include "utils/android/AndroidKeyToSkKey.h" |
| |
| |
| /////////////////////////////////////////// |
| ///////////////// Globals ///////////////// |
| /////////////////////////////////////////// |
| |
| struct ActivityGlue { |
| JNIEnv* m_env; |
| jweak m_obj; |
| jmethodID m_setTitle; |
| jmethodID m_startTimer; |
| ActivityGlue() { |
| m_env = NULL; |
| m_obj = NULL; |
| m_setTitle = NULL; |
| m_startTimer = NULL; |
| } |
| } gActivityGlue; |
| |
| struct WindowGlue { |
| jweak m_obj; |
| jmethodID m_inval; |
| jmethodID m_queueSkEvent; |
| WindowGlue() { |
| m_obj = NULL; |
| m_inval = NULL; |
| m_queueSkEvent = NULL; |
| } |
| } gWindowGlue; |
| |
| SampleWindow* gWindow; |
| |
| /////////////////////////////////////////// |
| ///////////// SkOSWindow impl ///////////// |
| /////////////////////////////////////////// |
| |
| void SkOSWindow::onSetTitle(const char title[]) |
| { |
| if (gActivityGlue.m_env) { |
| JNIEnv* env = gActivityGlue.m_env; |
| jstring string = env->NewStringUTF(title); |
| env->CallVoidMethod(gActivityGlue.m_obj, gActivityGlue.m_setTitle, |
| string); |
| env->DeleteLocalRef(string); |
| } |
| } |
| |
| void SkOSWindow::onHandleInval(const SkIRect& rect) |
| { |
| if (!gActivityGlue.m_env || !gWindowGlue.m_inval || !gWindowGlue.m_obj) { |
| return; |
| } |
| gActivityGlue.m_env->CallVoidMethod(gWindowGlue.m_obj, gWindowGlue.m_inval); |
| } |
| |
| /////////////////////////////////////////// |
| /////////////// SkEvent impl ////////////// |
| /////////////////////////////////////////// |
| |
| void SkEvent::SignalQueueTimer(SkMSec ms) |
| { |
| if (!gActivityGlue.m_env || !gActivityGlue.m_startTimer |
| || !gActivityGlue.m_obj || !ms) { |
| return; |
| } |
| gActivityGlue.m_env->CallVoidMethod(gActivityGlue.m_obj, |
| gActivityGlue.m_startTimer, ms); |
| } |
| |
| void SkEvent::SignalNonEmptyQueue() |
| { |
| if (!gActivityGlue.m_env || !gWindowGlue.m_queueSkEvent |
| || !gWindowGlue.m_obj) { |
| return; |
| } |
| gActivityGlue.m_env->CallVoidMethod(gWindowGlue.m_obj, |
| gWindowGlue.m_queueSkEvent); |
| } |
| |
| /////////////////////////////////////////// |
| ////////////////// JNI //////////////////// |
| /////////////////////////////////////////// |
| |
| static jmethodID GetJMethod(JNIEnv* env, jclass clazz, const char name[], |
| const char signature[]) |
| { |
| jmethodID m = env->GetMethodID(clazz, name, signature); |
| if (!m) SkDebugf("Could not find Java method %s\n", name); |
| return m; |
| } |
| |
| extern "C" { |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_draw( |
| JNIEnv* env, jobject thiz); |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_init( |
| JNIEnv* env, jobject thiz); |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_term( |
| JNIEnv* env, jobject thiz); |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_updateSize( |
| JNIEnv* env, jobject thiz, jint w, jint h); |
| JNIEXPORT bool JNICALL Java_com_skia_sampleapp_SampleApp_handleKeyDown( |
| JNIEnv* env, jobject thiz, jint keyCode, jint uni); |
| JNIEXPORT bool JNICALL Java_com_skia_sampleapp_SampleApp_handleKeyUp( |
| JNIEnv* env, jobject thiz, jint keyCode); |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_handleClick( |
| JNIEnv* env, jobject thiz, jint owner, jfloat x, jfloat y, jint state); |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_createOSWindow( |
| JNIEnv* env, jobject thiz, jobject jsampleView); |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_setZoomCenter( |
| JNIEnv* env, jobject thiz, jfloat x, jfloat y); |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_zoom( |
| JNIEnv* env, jobject thiz, jfloat factor); |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_nextSample( |
| JNIEnv* env, jobject thiz, jboolean fprevious); |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_toggleRendering( |
| JNIEnv* env, jobject thiz); |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_toggleSlideshow( |
| JNIEnv* env, jobject thiz); |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_toggleFps( |
| JNIEnv* env, jobject thiz); |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_processSkEvent( |
| JNIEnv* env, jobject thiz); |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_serviceQueueTimer( |
| JNIEnv* env, jobject thiz); |
| }; |
| |
| JNIEXPORT bool JNICALL Java_com_skia_sampleapp_SampleApp_handleKeyDown( |
| JNIEnv* env, jobject thiz, jint keyCode, jint uni) |
| { |
| bool handled = gWindow->handleKey(AndroidKeycodeToSkKey(keyCode)); |
| handled |= gWindow->handleChar((SkUnichar) uni); |
| return handled; |
| } |
| |
| JNIEXPORT bool JNICALL Java_com_skia_sampleapp_SampleApp_handleKeyUp(JNIEnv* env, |
| jobject thiz, jint keyCode) |
| { |
| return gWindow->handleKeyUp(AndroidKeycodeToSkKey(keyCode)); |
| } |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_handleClick(JNIEnv* env, |
| jobject thiz, jint owner, jfloat x, jfloat y, jint jstate) |
| { |
| SkView::Click::State state; |
| switch(jstate) { |
| case 0: // MotionEvent.ACTION_DOWN |
| state = SkView::Click::kDown_State; |
| break; |
| case 1: // MotionEvent.ACTION_UP |
| case 3: // MotionEvent.ACTION_CANCEL |
| state = SkView::Click::kUp_State; |
| break; |
| case 2: // MotionEvent.ACTION_MOVE |
| state = SkView::Click::kMoved_State; |
| break; |
| default: |
| SkDebugf("motion event ignored\n"); |
| return; |
| } |
| gWindow->handleTouch(owner, x, y, state); |
| } |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_updateSize(JNIEnv* env, |
| jobject thiz, jint w, jint h) |
| { |
| gWindow->resize(w, h); |
| } |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_createOSWindow( |
| JNIEnv* env, jobject thiz, jobject jsampleView) |
| { |
| gWindow = new SampleWindow(NULL); |
| jclass clazz = gActivityGlue.m_env->FindClass( |
| "com/skia/sampleapp/SampleView"); |
| gWindowGlue.m_obj = gActivityGlue.m_env->NewWeakGlobalRef(jsampleView); |
| gWindowGlue.m_inval = GetJMethod(gActivityGlue.m_env, clazz, |
| "requestRender", "()V"); |
| gWindowGlue.m_queueSkEvent = GetJMethod(gActivityGlue.m_env, clazz, |
| "queueSkEvent", "()V"); |
| gActivityGlue.m_env->DeleteLocalRef(clazz); |
| } |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_init(JNIEnv* env, |
| jobject thiz) |
| { |
| gActivityGlue.m_env = env; |
| jclass clazz = env->FindClass("com/skia/sampleapp/SampleApp"); |
| gActivityGlue.m_obj = env->NewWeakGlobalRef(thiz); |
| gActivityGlue.m_setTitle = GetJMethod(env, clazz, "setTitle", |
| "(Ljava/lang/CharSequence;)V"); |
| gActivityGlue.m_startTimer = GetJMethod(gActivityGlue.m_env, clazz, |
| "startTimer", "(I)V"); |
| env->DeleteLocalRef(clazz); |
| |
| application_init(); |
| } |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_term(JNIEnv* env, |
| jobject thiz) |
| { |
| application_term(); |
| if (gWindowGlue.m_obj) { |
| env->DeleteWeakGlobalRef(gWindowGlue.m_obj); |
| gWindowGlue.m_obj = NULL; |
| } |
| if (gActivityGlue.m_obj) { |
| env->DeleteWeakGlobalRef(gActivityGlue.m_obj); |
| gActivityGlue.m_obj = NULL; |
| } |
| delete gWindow; |
| gWindow = NULL; |
| } |
| |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_draw( |
| JNIEnv* env, jobject thiz) |
| { |
| if (!gWindow) return; |
| gWindow->update(NULL); |
| |
| // Copy the bitmap to the screen in raster mode |
| if (!gWindow->drawsToHardware()) { |
| |
| SkBitmap bitmap = gWindow->getBitmap(); |
| |
| GrContext* context = gWindow->getGrContext(); |
| if (!context) { |
| context = GrContext::Create(kOpenGL_Shaders_GrEngine, NULL); |
| if (!context || !gWindow->setGrContext(context)) { |
| return; |
| } |
| context->unref(); |
| } |
| |
| GrRenderTarget* renderTarget; |
| |
| GrPlatformSurfaceDesc desc; |
| desc.reset(); |
| desc.fSurfaceType = kRenderTarget_GrPlatformSurfaceType; |
| desc.fWidth = bitmap.width(); |
| desc.fHeight = bitmap.height(); |
| desc.fConfig = kRGBA_8888_GrPixelConfig; |
| desc.fStencilBits = 8; |
| GrGLint buffer; |
| GR_GL_GetIntegerv(GR_GL_FRAMEBUFFER_BINDING, &buffer); |
| desc.fPlatformRenderTarget = buffer; |
| |
| renderTarget = static_cast<GrRenderTarget*>( |
| context->createPlatformSurface(desc)); |
| |
| SkGpuCanvas* gpuCanvas = new SkGpuCanvas(context, renderTarget); |
| |
| SkDevice* device = gpuCanvas->createDevice(SkBitmap::kARGB_8888_Config, |
| bitmap.width(), bitmap.height(), |
| false, false); |
| gpuCanvas->setDevice(device)->unref(); |
| gpuCanvas->drawBitmap(bitmap, 0, 0); |
| |
| SkSafeUnref(renderTarget); |
| SkSafeUnref(gpuCanvas); |
| } |
| } |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_setZoomCenter( |
| JNIEnv* env, jobject thiz, jfloat x, jfloat y) |
| { |
| gWindow->setZoomCenter(x, y); |
| } |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_zoom( |
| JNIEnv* env, jobject thiz, jfloat factor) |
| { |
| gWindow->changeZoomLevel(factor); |
| } |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_nextSample( |
| JNIEnv* env, jobject thiz, jboolean fprevious) |
| { |
| if (fprevious) { |
| gWindow->previousSample(); |
| } else { |
| gWindow->nextSample(); |
| } |
| } |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_toggleRendering( |
| JNIEnv* env, jobject thiz) |
| { |
| gWindow->toggleRendering(); |
| } |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_toggleSlideshow( |
| JNIEnv* env, jobject thiz) |
| { |
| gWindow->toggleSlideshow(); |
| } |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_toggleFps( |
| JNIEnv* env, jobject thiz) |
| { |
| gWindow->toggleFPS(); |
| } |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_processSkEvent( |
| JNIEnv* env, jobject thiz) |
| { |
| if (SkEvent::ProcessEvent()) { |
| SkEvent::SignalNonEmptyQueue(); |
| } |
| } |
| |
| JNIEXPORT void JNICALL Java_com_skia_sampleapp_SampleApp_serviceQueueTimer( |
| JNIEnv* env, jobject thiz) |
| { |
| SkEvent::ServiceQueueTimer(); |
| } |