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Unified Diff: platform_tools/android/apps/sample_app/src/main/jni/com_skia_SkiaSampleRenderer.cpp

Issue 2099693002: Revert of Remove Android SampleApp (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 4 years, 6 months ago
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Index: platform_tools/android/apps/sample_app/src/main/jni/com_skia_SkiaSampleRenderer.cpp
diff --git a/platform_tools/android/apps/sample_app/src/main/jni/com_skia_SkiaSampleRenderer.cpp b/platform_tools/android/apps/sample_app/src/main/jni/com_skia_SkiaSampleRenderer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..f233a2fc394a6f1f5258990f60403ebb8a33d745
--- /dev/null
+++ b/platform_tools/android/apps/sample_app/src/main/jni/com_skia_SkiaSampleRenderer.cpp
@@ -0,0 +1,356 @@
+/*
+ * Copyright 2011 Skia
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#include "com_skia_SkiaSampleRenderer.h"
+
+#include "SampleApp.h"
+#include "SkApplication.h"
+#include "SkCanvas.h"
+#include "SkDevice.h"
+#include "SkEvent.h"
+#include "SkWindow.h"
+
+#include <jni.h>
+#include "AndroidKeyToSkKey.h"
+
+
+///////////////////////////////////////////
+///////////////// Globals /////////////////
+///////////////////////////////////////////
+
+struct ActivityGlue {
+ JNIEnv* m_env;
+ jweak m_obj;
+ jmethodID m_setTitle;
+ jmethodID m_setSlideList;
+ ActivityGlue() {
+ m_env = nullptr;
+ m_obj = nullptr;
+ m_setTitle = nullptr;
+ m_setSlideList = nullptr;
+ }
+} gActivityGlue;
+
+struct WindowGlue {
+ jweak m_obj;
+ jmethodID m_inval;
+ jmethodID m_queueSkEvent;
+ jmethodID m_startTimer;
+ jmethodID m_getMSAASampleCount;
+ WindowGlue() {
+ m_obj = nullptr;
+ m_inval = nullptr;
+ m_queueSkEvent = nullptr;
+ m_startTimer = nullptr;
+ m_getMSAASampleCount = nullptr;
+ }
+} gWindowGlue;
+
+SampleWindow* gWindow;
+
+///////////////////////////////////////////
+///////////// SkOSWindow impl /////////////
+///////////////////////////////////////////
+
+SkOSWindow::SkOSWindow(void*) : fDestroyRequested(false) {
+}
+
+SkOSWindow::~SkOSWindow() {
+}
+
+bool SkOSWindow::attach(SkBackEndTypes /* attachType */, int /*msaaSampleCount*/,
+ bool /*deepColor*/, AttachmentInfo* info)
+{
+ JNIEnv* env = gActivityGlue.m_env;
+ if (!env || !gWindowGlue.m_getMSAASampleCount || !gWindowGlue.m_obj) {
+ return false;
+ }
+ if (env->IsSameObject(gWindowGlue.m_obj, nullptr)) {
+ SkDebugf("ERROR: The JNI WeakRef to the Window is invalid");
+ return false;
+ }
+ info->fSampleCount = env->CallIntMethod(gWindowGlue.m_obj, gWindowGlue.m_getMSAASampleCount);
+
+ // This is the value requested in SkiaSampleView.java.
+ info->fStencilBits = 8;
+ return true;
+}
+
+void SkOSWindow::release() {
+}
+
+void SkOSWindow::present() {
+}
+
+void SkOSWindow::closeWindow() {
+}
+
+void SkOSWindow::setVsync(bool) {
+}
+
+void SkOSWindow::onSetTitle(const char title[])
+{
+ JNIEnv* env = gActivityGlue.m_env;
+ if (!env) {
+ return;
+ }
+ if (env->IsSameObject(gActivityGlue.m_obj, nullptr)) {
+ SkDebugf("ERROR: The JNI WeakRef to the Activity is invalid");
+ return;
+ }
+
+ jstring string = env->NewStringUTF(title);
+ env->CallVoidMethod(gActivityGlue.m_obj, gActivityGlue.m_setTitle, string);
+ env->DeleteLocalRef(string);
+}
+
+void SkOSWindow::onHandleInval(const SkIRect& rect)
+{
+ JNIEnv* env = gActivityGlue.m_env;
+ if (!env || !gWindowGlue.m_inval || !gWindowGlue.m_obj) {
+ return;
+ }
+ if (env->IsSameObject(gWindowGlue.m_obj, nullptr)) {
+ SkDebugf("ERROR: The JNI WeakRef to the Window is invalid");
+ return;
+ }
+ env->CallVoidMethod(gWindowGlue.m_obj, gWindowGlue.m_inval);
+}
+
+///////////////////////////////////////////
+/////////////// SkEvent impl //////////////
+///////////////////////////////////////////
+
+void SkEvent::SignalQueueTimer(SkMSec ms)
+{
+ JNIEnv* env = gActivityGlue.m_env;
+ if (!env || !gWindowGlue.m_startTimer || !gWindowGlue.m_obj || !ms) {
+ return;
+ }
+ if (env->IsSameObject(gWindowGlue.m_obj, nullptr)) {
+ SkDebugf("ERROR: The JNI WeakRef to the Window is invalid");
+ return;
+ }
+ env->CallVoidMethod(gWindowGlue.m_obj,
+ gWindowGlue.m_startTimer, ms);
+}
+
+void SkEvent::SignalNonEmptyQueue()
+{
+ JNIEnv* env = gActivityGlue.m_env;
+ if (!env || !gWindowGlue.m_queueSkEvent || !gWindowGlue.m_obj) {
+ return;
+ }
+ if (env->IsSameObject(gWindowGlue.m_obj, nullptr)) {
+ SkDebugf("ERROR: The JNI WeakRef to the Window is invalid");
+ return;
+ }
+ 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;
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_init(JNIEnv* env,
+ jobject thiz, jobject jsampleActivity, jstring cmdLineFlags, jint msaaSampleCount)
+{
+ // setup jni hooks to the java activity
+ gActivityGlue.m_env = env;
+ jclass clazz = env->FindClass("com/skia/SkiaSampleActivity");
+ gActivityGlue.m_obj = env->NewWeakGlobalRef(jsampleActivity);
+ gActivityGlue.m_setTitle = GetJMethod(env, clazz, "setTitle", "(Ljava/lang/CharSequence;)V");
+ gActivityGlue.m_setSlideList = GetJMethod(env, clazz, "setSlideList", "([Ljava/lang/String;)V");
+ env->DeleteLocalRef(clazz);
+
+ // setup jni hooks to the java renderer
+ clazz = env->FindClass("com/skia/SkiaSampleRenderer");
+ gWindowGlue.m_obj = env->NewWeakGlobalRef(thiz);
+ gWindowGlue.m_inval = GetJMethod(env, clazz, "requestRender", "()V");
+ gWindowGlue.m_queueSkEvent = GetJMethod(env, clazz, "queueSkEvent", "()V");
+ gWindowGlue.m_startTimer = GetJMethod(env, clazz, "startTimer", "(I)V");
+ gWindowGlue.m_getMSAASampleCount = GetJMethod(env, clazz, "getMSAASampleCount", "()I");
+ env->DeleteLocalRef(clazz);
+
+ application_init();
+
+ const char* flags = env->GetStringUTFChars(cmdLineFlags, JNI_FALSE);
+ SkTArray<SkString> flagEntries;
+ SkStrSplit(flags, " ", &flagEntries);
+
+ SkTArray<const char*> args;
+ args.push_back("SampleApp");
+ for (int i = 0; i < flagEntries.count(); i++) {
+ SkDebugf(flagEntries[i].c_str());
+ args.push_back(flagEntries[i].c_str());
+ }
+
+ SkString msaaSampleCountString;
+ if (msaaSampleCount > 0) {
+ args.push_back("--msaa");
+ msaaSampleCountString.appendS32(static_cast<uint32_t>(msaaSampleCount));
+ args.push_back(msaaSampleCountString.c_str());
+ }
+
+ if (gWindow) {
+ SkDebugf("The sample window already exists.");
+ } else {
+ gWindow = new SampleWindow(nullptr, args.count(), const_cast<char**>(args.begin()), nullptr);
+ }
+
+ // cleanup the command line flags
+ env->ReleaseStringUTFChars(cmdLineFlags, flags);
+
+ // send the list of slides up to the activity
+ const int slideCount = gWindow->sampleCount();
+ jobjectArray slideList = env->NewObjectArray(slideCount, env->FindClass("java/lang/String"), env->NewStringUTF(""));
+ for (int i = 0; i < slideCount; i++) {
+ jstring slideTitle = env->NewStringUTF(gWindow->getSampleTitle(i).c_str());
+ env->SetObjectArrayElement(slideList, i, slideTitle);
+ env->DeleteLocalRef(slideTitle);
+ }
+ env->CallVoidMethod(gActivityGlue.m_obj, gActivityGlue.m_setSlideList, slideList);
+ env->DeleteLocalRef(slideList);
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_term(JNIEnv* env,
+ jobject thiz)
+{
+ delete gWindow;
+ gWindow = nullptr;
+ application_term();
+ if (gWindowGlue.m_obj) {
+ env->DeleteWeakGlobalRef(gWindowGlue.m_obj);
+ gWindowGlue.m_obj = nullptr;
+ }
+ if (gActivityGlue.m_obj) {
+ env->DeleteWeakGlobalRef(gActivityGlue.m_obj);
+ gActivityGlue.m_obj = nullptr;
+ }
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_draw(
+ JNIEnv* env, jobject thiz)
+{
+ if (!gWindow) return;
+ gWindow->update(nullptr);
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_updateSize(JNIEnv* env,
+ jobject thiz, jint w, jint h)
+{
+ gWindow->resize(w, h);
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_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->handleClick(x, y, state, reinterpret_cast<void*>(owner));
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_nextSample(
+ JNIEnv* env, jobject thiz)
+{
+ gWindow->nextSample();
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_previousSample(
+ JNIEnv* env, jobject thiz)
+{
+ gWindow->previousSample();
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_goToSample(
+ JNIEnv* env, jobject thiz, jint position)
+{
+ gWindow->goToSample(position);
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_toggleRenderingMode(
+ JNIEnv* env, jobject thiz)
+{
+ gWindow->toggleRendering();
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_showOverview(
+ JNIEnv* env, jobject thiz)
+{
+ gWindow->showOverview();
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_toggleSlideshow(
+ JNIEnv* env, jobject thiz)
+{
+ gWindow->toggleSlideshow();
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_toggleFPS(
+ JNIEnv* env, jobject thiz)
+{
+ gWindow->toggleFPS();
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_toggleTiling(
+ JNIEnv* env, jobject thiz)
+{
+ gWindow->handleChar('t');
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_toggleBBox(
+ JNIEnv* env, jobject thiz)
+{
+ gWindow->handleChar('b');
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_processSkEvent(
+ JNIEnv* env, jobject thiz)
+{
+ if (SkEvent::ProcessEvent()) {
+ SkEvent::SignalNonEmptyQueue();
+ }
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_serviceQueueTimer(
+ JNIEnv* env, jobject thiz)
+{
+ SkEvent::ServiceQueueTimer();
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_saveToPDF(
+ JNIEnv* env, jobject thiz)
+{
+ gWindow->saveToPdf();
+}
+
+JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_postInval(
+ JNIEnv* env, jobject thiz)
+{
+ gWindow->postInvalDelay();
+}

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