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skia2/samplecode/SampleApp.cpp
bsalomon@google.com ddd40e5e96 Tear down Gr stuff before GL context in SampleApp 
Review URL: http://codereview.appspot.com/6000043/



git-svn-id: http://skia.googlecode.com/svn/trunk@3639 2bbb7eff-a529-9590-31e7-b0007b416f81
2012-04-10 15:56:29 +00:00

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66 KiB
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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SampleApp.h"
#include "SkData.h"
#include "SkCanvas.h"
#include "SkDevice.h"
#include "SkGpuDevice.h"
#include "SkGraphics.h"
#include "SkImageEncoder.h"
#include "SkPaint.h"
#include "SkPicture.h"
#include "SkStream.h"
#include "SkTime.h"
#include "SkWindow.h"
#include "SampleCode.h"
#include "GrContext.h"
#include "SkTypeface.h"
#include "gl/GrGLInterface.h"
#include "GrRenderTarget.h"
#include "SkPDFDevice.h"
#include "SkPDFDocument.h"
#include "SkStream.h"
#define TEST_GPIPE
#ifdef TEST_GPIPE
#define PIPE_FILEx
#ifdef PIPE_FILE
#define FILE_PATH "/path/to/drawing.data"
#endif
#define PIPE_NETx
#ifdef PIPE_NET
#include "SkSockets.h"
SkTCPServer gServer;
#endif
#define DEBUGGERx
#ifdef DEBUGGER
extern SkView* create_debugger(const char* data, size_t size);
extern bool is_debugger(SkView* view);
SkTDArray<char> gTempDataStore;
#endif
#endif
#define USE_ARROWS_FOR_ZOOM true
#if SK_ANGLE
//#define DEFAULT_TO_ANGLE 1
#else
//#define DEFAULT_TO_GPU 1
#endif
extern SkView* create_overview(int, const SkViewFactory*[]);
extern bool is_overview(SkView* view);
extern SkView* create_transition(SkView*, SkView*, int);
extern bool is_transition(SkView* view);
#define ANIMATING_EVENTTYPE "nextSample"
#define ANIMATING_DELAY 750
#ifdef SK_DEBUG
#define FPS_REPEAT_MULTIPLIER 1
#else
#define FPS_REPEAT_MULTIPLIER 10
#endif
#define FPS_REPEAT_COUNT (10 * FPS_REPEAT_MULTIPLIER)
static SampleWindow* gSampleWindow;
static void postEventToSink(SkEvent* evt, SkEventSink* sink) {
evt->setTargetID(sink->getSinkID())->post();
}
///////////////////////////////////////////////////////////////////////////////
static const char* skip_until(const char* str, const char* skip) {
if (!str) {
return NULL;
}
return strstr(str, skip);
}
static const char* skip_past(const char* str, const char* skip) {
const char* found = skip_until(str, skip);
if (!found) {
return NULL;
}
return found + strlen(skip);
}
static const char* gPrefFileName = "sampleapp_prefs.txt";
static bool readTitleFromPrefs(SkString* title) {
SkFILEStream stream(gPrefFileName);
if (!stream.isValid()) {
return false;
}
int len = stream.getLength();
SkString data(len);
stream.read(data.writable_str(), len);
const char* s = data.c_str();
s = skip_past(s, "curr-slide-title");
s = skip_past(s, "=");
s = skip_past(s, "\"");
const char* stop = skip_until(s, "\"");
if (stop > s) {
title->set(s, stop - s);
return true;
}
return false;
}
static void writeTitleToPrefs(const char* title) {
SkFILEWStream stream(gPrefFileName);
SkString data;
data.printf("curr-slide-title = \"%s\"\n", title);
stream.write(data.c_str(), data.size());
}
///////////////////////////////////////////////////////////////////////////////
class SampleWindow::DefaultDeviceManager : public SampleWindow::DeviceManager {
public:
DefaultDeviceManager()
: fCurContext(NULL)
, fCurIntf(NULL)
, fCurRenderTarget(NULL)
, fBackend(kNone_BackEndType)
, fMSAASampleCount(0) {
}
virtual ~DefaultDeviceManager() {
SkSafeUnref(fCurContext);
SkSafeUnref(fCurIntf);
SkSafeUnref(fCurRenderTarget);
}
virtual void setUpBackend(SampleWindow* win, int msaaSampleCount) {
SkASSERT(kNone_BackEndType == fBackend);
fBackend = kNone_BackEndType;
switch (win->getDeviceType()) {
case kRaster_DeviceType:
// fallthrough
case kPicture_DeviceType:
// fallthrough
case kGPU_DeviceType:
// fallthrough
case kNullGPU_DeviceType:
// all these guys use the native backend
fBackend = kNativeGL_BackEndType;
break;
#if SK_ANGLE
case kANGLE_DeviceType:
// ANGLE is really the only odd man out
fBackend = kANGLE_BackEndType;
break;
#endif
default:
SkASSERT(false);
break;
}
bool result = win->attach(fBackend, msaaSampleCount);
if (!result) {
SkDebugf("Failed to initialize GL");
return;
}
fMSAASampleCount = msaaSampleCount;
SkASSERT(NULL == fCurIntf);
switch (win->getDeviceType()) {
case kRaster_DeviceType:
// fallthrough
case kPicture_DeviceType:
// fallthrough
case kGPU_DeviceType:
// all these guys use the native interface
fCurIntf = GrGLCreateNativeInterface();
break;
#if SK_ANGLE
case kANGLE_DeviceType:
fCurIntf = GrGLCreateANGLEInterface();
break;
#endif
case kNullGPU_DeviceType:
fCurIntf = GrGLCreateNullInterface();
break;
default:
SkASSERT(false);
break;
}
SkASSERT(NULL == fCurContext);
fCurContext = GrContext::Create(kOpenGL_Shaders_GrEngine,
(GrPlatform3DContext) fCurIntf);
if (NULL == fCurContext || NULL == fCurIntf) {
// We need some context and interface to see results
SkSafeUnref(fCurContext);
SkSafeUnref(fCurIntf);
SkDebugf("Failed to setup 3D");
win->detach();
}
// call windowSizeChanged to create the render target
windowSizeChanged(win);
}
virtual void tearDownBackend(SampleWindow *win) {
SkSafeUnref(fCurContext);
fCurContext = NULL;
SkSafeUnref(fCurIntf);
fCurIntf = NULL;
SkSafeUnref(fCurRenderTarget);
fCurRenderTarget = NULL;
win->detach();
fBackend = kNone_BackEndType;
}
virtual bool prepareCanvas(SampleWindow::DeviceType dType,
SkCanvas* canvas,
SampleWindow* win) {
switch (dType) {
case kRaster_DeviceType:
// fallthrough
case kPicture_DeviceType:
// fallthrough
#if SK_ANGLE
case kANGLE_DeviceType:
#endif
break;
case kGPU_DeviceType:
case kNullGPU_DeviceType:
if (fCurContext) {
canvas->setDevice(new SkGpuDevice(fCurContext,
fCurRenderTarget))->unref();
} else {
return false;
}
break;
default:
SkASSERT(false);
return false;
}
return true;
}
virtual void publishCanvas(SampleWindow::DeviceType dType,
SkCanvas* canvas,
SampleWindow* win) {
if (fCurContext) {
// in case we have queued drawing calls
fCurContext->flush();
if (kGPU_DeviceType != dType && kNullGPU_DeviceType != dType) {
// need to send the raster bits to the (gpu) window
fCurContext->setRenderTarget(fCurRenderTarget);
const SkBitmap& bm = win->getBitmap();
fCurRenderTarget->writePixels(0, 0, bm.width(), bm.height(),
kSkia8888_PM_GrPixelConfig,
bm.getPixels(),
bm.rowBytes());
}
}
win->present();
}
virtual void windowSizeChanged(SampleWindow* win) {
if (fCurContext) {
win->attach(fBackend, fMSAASampleCount);
GrPlatformRenderTargetDesc desc;
desc.fWidth = SkScalarRound(win->width());
desc.fHeight = SkScalarRound(win->height());
desc.fConfig = kSkia8888_PM_GrPixelConfig;
GR_GL_GetIntegerv(fCurIntf, GR_GL_SAMPLES, &desc.fSampleCnt);
GR_GL_GetIntegerv(fCurIntf, GR_GL_STENCIL_BITS, &desc.fStencilBits);
GrGLint buffer;
GR_GL_GetIntegerv(fCurIntf, GR_GL_FRAMEBUFFER_BINDING, &buffer);
desc.fRenderTargetHandle = buffer;
SkSafeUnref(fCurRenderTarget);
fCurRenderTarget = fCurContext->createPlatformRenderTarget(desc);
}
}
virtual GrContext* getGrContext() {
return fCurContext;
}
virtual GrRenderTarget* getGrRenderTarget() SK_OVERRIDE {
return fCurRenderTarget;
}
private:
GrContext* fCurContext;
const GrGLInterface* fCurIntf;
GrRenderTarget* fCurRenderTarget;
SkOSWindow::SkBackEndTypes fBackend;
int fMSAASampleCount;
typedef SampleWindow::DeviceManager INHERITED;
};
///////////////
static const char view_inval_msg[] = "view-inval-msg";
void SampleWindow::postInvalDelay() {
(new SkEvent(view_inval_msg, this->getSinkID()))->postDelay(1);
}
static bool isInvalEvent(const SkEvent& evt) {
return evt.isType(view_inval_msg);
}
//////////////////
SkFuncViewFactory::SkFuncViewFactory(SkViewCreateFunc func)
: fCreateFunc(func) {
}
SkView* SkFuncViewFactory::operator() () const {
return (*fCreateFunc)();
}
#include "GMSampleView.h"
SkGMSampleViewFactory::SkGMSampleViewFactory(GMFactoryFunc func)
: fFunc(func) {
}
SkView* SkGMSampleViewFactory::operator() () const {
return new GMSampleView(fFunc(NULL));
}
SkViewRegister* SkViewRegister::gHead;
SkViewRegister::SkViewRegister(SkViewFactory* fact) : fFact(fact) {
fFact->ref();
fChain = gHead;
gHead = this;
}
SkViewRegister::SkViewRegister(SkViewCreateFunc func) {
fFact = new SkFuncViewFactory(func);
fChain = gHead;
gHead = this;
}
SkViewRegister::SkViewRegister(GMFactoryFunc func) {
fFact = new SkGMSampleViewFactory(func);
fChain = gHead;
gHead = this;
}
class AutoUnrefArray {
public:
AutoUnrefArray() {}
~AutoUnrefArray() {
int count = fObjs.count();
for (int i = 0; i < count; ++i) {
fObjs[i]->unref();
}
}
SkRefCnt*& push_back() { return *fObjs.append(); }
private:
SkTDArray<SkRefCnt*> fObjs;
};
// registers GMs as Samples
// This can't be performed during static initialization because it could be
// run before GMRegistry has been fully built.
void SkGMRegistyToSampleRegistry() {
static bool gOnce;
static AutoUnrefArray fRegisters;
if (!gOnce) {
const skiagm::GMRegistry* gmreg = skiagm::GMRegistry::Head();
while (gmreg) {
fRegisters.push_back() = new SkViewRegister(gmreg->factory());
gmreg = gmreg->next();
}
gOnce = true;
}
}
#if 0
#include <CoreFoundation/CoreFoundation.h>
#include <CoreFoundation/CFURLAccess.h>
static void testpdf() {
CFStringRef path = CFStringCreateWithCString(NULL, "/test.pdf",
kCFStringEncodingUTF8);
CFURLRef url = CFURLCreateWithFileSystemPath(NULL, path,
kCFURLPOSIXPathStyle,
false);
CFRelease(path);
CGRect box = CGRectMake(0, 0, 8*72, 10*72);
CGContextRef cg = CGPDFContextCreateWithURL(url, &box, NULL);
CFRelease(url);
CGContextBeginPage(cg, &box);
CGRect r = CGRectMake(10, 10, 40 + 0.5, 50 + 0.5);
CGContextFillEllipseInRect(cg, r);
CGContextEndPage(cg);
CGContextRelease(cg);
if (false) {
SkBitmap bm;
bm.setConfig(SkBitmap::kA8_Config, 64, 64);
bm.allocPixels();
bm.eraseColor(0);
SkCanvas canvas(bm);
}
}
#endif
//////////////////////////////////////////////////////////////////////////////
enum FlipAxisEnum {
kFlipAxis_X = (1 << 0),
kFlipAxis_Y = (1 << 1)
};
#include "SkDrawFilter.h"
class FlagsDrawFilter : public SkDrawFilter {
public:
FlagsDrawFilter(SkOSMenu::TriState lcd, SkOSMenu::TriState aa, SkOSMenu::TriState filter,
SkOSMenu::TriState hinting) :
fLCDState(lcd), fAAState(aa), fFilterState(filter), fHintingState(hinting) {}
virtual void filter(SkPaint* paint, Type t) {
if (kText_Type == t && SkOSMenu::kMixedState != fLCDState) {
paint->setLCDRenderText(SkOSMenu::kOnState == fLCDState);
}
if (SkOSMenu::kMixedState != fAAState) {
paint->setAntiAlias(SkOSMenu::kOnState == fAAState);
}
if (SkOSMenu::kMixedState != fFilterState) {
paint->setFilterBitmap(SkOSMenu::kOnState == fFilterState);
}
if (SkOSMenu::kMixedState != fHintingState) {
paint->setHinting(SkOSMenu::kOnState == fHintingState ?
SkPaint::kNormal_Hinting :
SkPaint::kSlight_Hinting);
}
}
private:
SkOSMenu::TriState fLCDState;
SkOSMenu::TriState fAAState;
SkOSMenu::TriState fFilterState;
SkOSMenu::TriState fHintingState;
};
//////////////////////////////////////////////////////////////////////////////
#define MAX_ZOOM_LEVEL 8
#define MIN_ZOOM_LEVEL -8
static const char gCharEvtName[] = "SampleCode_Char_Event";
static const char gKeyEvtName[] = "SampleCode_Key_Event";
static const char gTitleEvtName[] = "SampleCode_Title_Event";
static const char gPrefSizeEvtName[] = "SampleCode_PrefSize_Event";
static const char gFastTextEvtName[] = "SampleCode_FastText_Event";
static const char gUpdateWindowTitleEvtName[] = "SampleCode_UpdateWindowTitle";
bool SampleCode::CharQ(const SkEvent& evt, SkUnichar* outUni) {
if (evt.isType(gCharEvtName, sizeof(gCharEvtName) - 1)) {
if (outUni) {
*outUni = evt.getFast32();
}
return true;
}
return false;
}
bool SampleCode::KeyQ(const SkEvent& evt, SkKey* outKey) {
if (evt.isType(gKeyEvtName, sizeof(gKeyEvtName) - 1)) {
if (outKey) {
*outKey = (SkKey)evt.getFast32();
}
return true;
}
return false;
}
bool SampleCode::TitleQ(const SkEvent& evt) {
return evt.isType(gTitleEvtName, sizeof(gTitleEvtName) - 1);
}
void SampleCode::TitleR(SkEvent* evt, const char title[]) {
SkASSERT(evt && TitleQ(*evt));
evt->setString(gTitleEvtName, title);
}
bool SampleCode::RequestTitle(SkView* view, SkString* title) {
SkEvent evt(gTitleEvtName);
if (view->doQuery(&evt)) {
title->set(evt.findString(gTitleEvtName));
return true;
}
return false;
}
bool SampleCode::PrefSizeQ(const SkEvent& evt) {
return evt.isType(gPrefSizeEvtName, sizeof(gPrefSizeEvtName) - 1);
}
void SampleCode::PrefSizeR(SkEvent* evt, SkScalar width, SkScalar height) {
SkASSERT(evt && PrefSizeQ(*evt));
SkScalar size[2];
size[0] = width;
size[1] = height;
evt->setScalars(gPrefSizeEvtName, 2, size);
}
bool SampleCode::FastTextQ(const SkEvent& evt) {
return evt.isType(gFastTextEvtName, sizeof(gFastTextEvtName) - 1);
}
///////////////////////////////////////////////////////////////////////////////
static SkMSec gAnimTime;
static SkMSec gAnimTimePrev;
SkMSec SampleCode::GetAnimTime() { return gAnimTime; }
SkMSec SampleCode::GetAnimTimeDelta() { return gAnimTime - gAnimTimePrev; }
SkScalar SampleCode::GetAnimSecondsDelta() {
return SkDoubleToScalar(GetAnimTimeDelta() / 1000.0);
}
SkScalar SampleCode::GetAnimScalar(SkScalar speed, SkScalar period) {
// since gAnimTime can be up to 32 bits, we can't convert it to a float
// or we'll lose the low bits. Hence we use doubles for the intermediate
// calculations
double seconds = (double)gAnimTime / 1000.0;
double value = SkScalarToDouble(speed) * seconds;
if (period) {
value = ::fmod(value, SkScalarToDouble(period));
}
return SkDoubleToScalar(value);
}
SkScalar SampleCode::GetAnimSinScalar(SkScalar amplitude,
SkScalar periodInSec,
SkScalar phaseInSec) {
if (!periodInSec) {
return 0;
}
double t = (double)gAnimTime / 1000.0 + phaseInSec;
t *= SkScalarToFloat(2 * SK_ScalarPI) / periodInSec;
amplitude = SK_ScalarHalf * amplitude;
return SkScalarMul(amplitude, SkDoubleToScalar(sin(t))) + amplitude;
}
GrContext* SampleCode::GetGr() {
return gSampleWindow ? gSampleWindow->getGrContext() : NULL;
}
// some GMs rely on having a skiagm::GetGr function defined
namespace skiagm {
GrContext* GetGr() { return SampleCode::GetGr(); }
}
//////////////////////////////////////////////////////////////////////////////
static SkView* curr_view(SkWindow* wind) {
SkView::F2BIter iter(wind);
return iter.next();
}
static bool curr_title(SkWindow* wind, SkString* title) {
SkView* view = curr_view(wind);
if (view) {
SkEvent evt(gTitleEvtName);
if (view->doQuery(&evt)) {
title->set(evt.findString(gTitleEvtName));
return true;
}
}
return false;
}
void SampleWindow::setZoomCenter(float x, float y)
{
fZoomCenterX = SkFloatToScalar(x);
fZoomCenterY = SkFloatToScalar(y);
}
bool SampleWindow::zoomIn()
{
// Arbitrarily decided
if (fFatBitsScale == 25) return false;
fFatBitsScale++;
this->inval(NULL);
return true;
}
bool SampleWindow::zoomOut()
{
if (fFatBitsScale == 1) return false;
fFatBitsScale--;
this->inval(NULL);
return true;
}
void SampleWindow::updatePointer(int x, int y)
{
fMouseX = x;
fMouseY = y;
if (fShowZoomer) {
this->inval(NULL);
}
}
static inline SampleWindow::DeviceType cycle_devicetype(SampleWindow::DeviceType ct) {
static const SampleWindow::DeviceType gCT[] = {
SampleWindow::kPicture_DeviceType,
SampleWindow::kGPU_DeviceType,
#if SK_ANGLE
SampleWindow::kANGLE_DeviceType,
#endif
SampleWindow::kRaster_DeviceType, // skip the null gpu device in normal cycling
SampleWindow::kRaster_DeviceType
};
return gCT[ct];
}
static void usage(const char * argv0) {
SkDebugf("%s [--slide sampleName] [-i resourcePath] [-msaa sampleCount]\n", argv0);
SkDebugf(" sampleName: sample at which to start.\n");
SkDebugf(" resourcePath: directory that stores image resources.\n");
SkDebugf(" msaa: request multisampling with the given sample count.\n");
}
SampleWindow::SampleWindow(void* hwnd, int argc, char** argv, DeviceManager* devManager)
: INHERITED(hwnd)
, fDevManager(NULL) {
SkGMRegistyToSampleRegistry();
{
const SkViewRegister* reg = SkViewRegister::Head();
while (reg) {
*fSamples.append() = reg->factory();
reg = reg->next();
}
}
const char* resourcePath = NULL;
fCurrIndex = -1;
fMSAASampleCount = 0;
const char* const commandName = argv[0];
char* const* stop = argv + argc;
for (++argv; argv < stop; ++argv) {
if (strcmp(*argv, "-i") == 0) {
argv++;
if (argv < stop && **argv) {
resourcePath = *argv;
}
} else if (strcmp(*argv, "--slide") == 0) {
argv++;
if (argv < stop && **argv) {
fCurrIndex = findByTitle(*argv);
if (fCurrIndex < 0) {
fprintf(stderr, "Unknown sample \"%s\"\n", *argv);
}
}
} else if (strcmp(*argv, "--msaa") == 0) {
++argv;
if (argv < stop && **argv) {
fMSAASampleCount = atoi(*argv);
}
}
else {
usage(commandName);
}
}
if (fCurrIndex < 0) {
SkString title;
if (readTitleFromPrefs(&title)) {
fCurrIndex = findByTitle(title.c_str());
}
}
if (fCurrIndex < 0) {
fCurrIndex = 0;
}
gSampleWindow = this;
#ifdef PIPE_FILE
//Clear existing file or create file if it doesn't exist
FILE* f = fopen(FILE_PATH, "wb");
fclose(f);
#endif
fPicture = NULL;
fDeviceType = kRaster_DeviceType;
#if DEFAULT_TO_GPU
fDeviceType = kGPU_DeviceType;
#endif
#if SK_ANGLE && DEFAULT_TO_ANGLE
fDeviceType = kANGLE_DeviceType;
#endif
fUseClip = false;
fNClip = false;
fAnimating = false;
fRotate = false;
fPerspAnim = false;
fPerspAnimTime = 0;
fScale = false;
fRequestGrabImage = false;
fUsePipe = false;
fMeasureFPS = false;
fLCDState = SkOSMenu::kMixedState;
fAAState = SkOSMenu::kMixedState;
fFilterState = SkOSMenu::kMixedState;
fHintingState = SkOSMenu::kMixedState;
fFlipAxis = 0;
fScrollTestX = fScrollTestY = 0;
fMouseX = fMouseY = 0;
fFatBitsScale = 8;
fTypeface = SkTypeface::CreateFromTypeface(NULL, SkTypeface::kBold);
fShowZoomer = false;
fZoomLevel = 0;
fZoomScale = SK_Scalar1;
fMagnify = false;
fDebugger = false;
fSaveToPdf = false;
fPdfCanvas = NULL;
fTransitionNext = 6;
fTransitionPrev = 2;
int sinkID = this->getSinkID();
fAppMenu.setTitle("Global Settings");
int itemID;
itemID =fAppMenu.appendList("Device Type", "Device Type", sinkID, 0,
"Raster", "Picture", "OpenGL",
#if SK_ANGLE
"ANGLE",
#endif
NULL);
fAppMenu.assignKeyEquivalentToItem(itemID, 'd');
itemID = fAppMenu.appendTriState("AA", "AA", sinkID, fAAState);
fAppMenu.assignKeyEquivalentToItem(itemID, 'b');
itemID = fAppMenu.appendTriState("LCD", "LCD", sinkID, fLCDState);
fAppMenu.assignKeyEquivalentToItem(itemID, 'l');
itemID = fAppMenu.appendTriState("Filter", "Filter", sinkID, fFilterState);
fAppMenu.assignKeyEquivalentToItem(itemID, 'n');
itemID = fAppMenu.appendTriState("Hinting", "Hinting", sinkID, fHintingState);
fAppMenu.assignKeyEquivalentToItem(itemID, 'h');
fUsePipeMenuItemID = fAppMenu.appendSwitch("Pipe", "Pipe" , sinkID, fUsePipe);
fAppMenu.assignKeyEquivalentToItem(fUsePipeMenuItemID, 'p');
#ifdef DEBUGGER
itemID = fAppMenu.appendSwitch("Debugger", "Debugger", sinkID, fDebugger);
fAppMenu.assignKeyEquivalentToItem(itemID, 'q');
#endif
itemID = fAppMenu.appendSwitch("Slide Show", "Slide Show" , sinkID, false);
fAppMenu.assignKeyEquivalentToItem(itemID, 'a');
itemID = fAppMenu.appendSwitch("Clip", "Clip" , sinkID, fUseClip);
fAppMenu.assignKeyEquivalentToItem(itemID, 'c');
itemID = fAppMenu.appendSwitch("Flip X", "Flip X" , sinkID, false);
fAppMenu.assignKeyEquivalentToItem(itemID, 'x');
itemID = fAppMenu.appendSwitch("Flip Y", "Flip Y" , sinkID, false);
fAppMenu.assignKeyEquivalentToItem(itemID, 'y');
itemID = fAppMenu.appendSwitch("Zoomer", "Zoomer" , sinkID, fShowZoomer);
fAppMenu.assignKeyEquivalentToItem(itemID, 'z');
itemID = fAppMenu.appendSwitch("Magnify", "Magnify" , sinkID, fMagnify);
fAppMenu.assignKeyEquivalentToItem(itemID, 'm');
itemID =fAppMenu.appendList("Transition-Next", "Transition-Next", sinkID,
fTransitionNext, "Up", "Up and Right", "Right",
"Down and Right", "Down", "Down and Left",
"Left", "Up and Left", NULL);
fAppMenu.assignKeyEquivalentToItem(itemID, 'j');
itemID =fAppMenu.appendList("Transition-Prev", "Transition-Prev", sinkID,
fTransitionPrev, "Up", "Up and Right", "Right",
"Down and Right", "Down", "Down and Left",
"Left", "Up and Left", NULL);
fAppMenu.assignKeyEquivalentToItem(itemID, 'k');
itemID = fAppMenu.appendAction("Save to PDF", sinkID);
fAppMenu.assignKeyEquivalentToItem(itemID, 'e');
this->addMenu(&fAppMenu);
this->addMenu(&fSlideMenu);
// this->setConfig(SkBitmap::kRGB_565_Config);
this->setConfig(SkBitmap::kARGB_8888_Config);
this->setVisibleP(true);
this->setClipToBounds(false);
skiagm::GM::SetResourcePath(resourcePath);
this->loadView((*fSamples[fCurrIndex])());
fPDFData = NULL;
if (NULL == devManager) {
fDevManager = new DefaultDeviceManager();
} else {
devManager->ref();
fDevManager = devManager;
}
fDevManager->setUpBackend(this, fMSAASampleCount);
// If another constructor set our dimensions, ensure that our
// onSizeChange gets called.
if (this->height() && this->width()) {
this->onSizeChange();
}
// can't call this synchronously, since it may require a subclass to
// to implement, or the caller may need us to have returned from the
// constructor first. Hence we post an event to ourselves.
// this->updateTitle();
postEventToSink(new SkEvent(gUpdateWindowTitleEvtName), this);
}
SampleWindow::~SampleWindow() {
delete fPicture;
delete fPdfCanvas;
fTypeface->unref();
SkSafeUnref(fDevManager);
}
int SampleWindow::findByTitle(const char title[]) {
int i, count = fSamples.count();
for (i = 0; i < count; i++) {
if (getSampleTitle(i).equals(title)) {
return i;
}
}
return -1;
}
static SkBitmap capture_bitmap(SkCanvas* canvas) {
SkBitmap bm;
const SkBitmap& src = canvas->getDevice()->accessBitmap(false);
src.copyTo(&bm, src.config());
return bm;
}
static bool bitmap_diff(SkCanvas* canvas, const SkBitmap& orig,
SkBitmap* diff) {
const SkBitmap& src = canvas->getDevice()->accessBitmap(false);
SkAutoLockPixels alp0(src);
SkAutoLockPixels alp1(orig);
for (int y = 0; y < src.height(); y++) {
const void* srcP = src.getAddr(0, y);
const void* origP = orig.getAddr(0, y);
size_t bytes = src.width() * src.bytesPerPixel();
if (memcmp(srcP, origP, bytes)) {
SkDebugf("---------- difference on line %d\n", y);
return true;
}
}
return false;
}
static void drawText(SkCanvas* canvas, SkString string, SkScalar left, SkScalar top, SkPaint& paint)
{
SkColor desiredColor = paint.getColor();
paint.setColor(SK_ColorWHITE);
const char* c_str = string.c_str();
size_t size = string.size();
SkRect bounds;
paint.measureText(c_str, size, &bounds);
bounds.offset(left, top);
SkScalar inset = SkIntToScalar(-2);
bounds.inset(inset, inset);
canvas->drawRect(bounds, paint);
if (desiredColor != SK_ColorBLACK) {
paint.setColor(SK_ColorBLACK);
canvas->drawText(c_str, size, left + SK_Scalar1, top + SK_Scalar1, paint);
}
paint.setColor(desiredColor);
canvas->drawText(c_str, size, left, top, paint);
}
#define XCLIP_N 8
#define YCLIP_N 8
void SampleWindow::draw(SkCanvas* canvas) {
if (!fDevManager->prepareCanvas(fDeviceType, canvas, this)) {
return;
}
// update the animation time
if (!gAnimTimePrev && !gAnimTime) {
// first time make delta be 0
gAnimTime = SkTime::GetMSecs();
gAnimTimePrev = gAnimTime;
} else {
gAnimTimePrev = gAnimTime;
gAnimTime = SkTime::GetMSecs();
}
const SkMatrix& localM = fGesture.localM();
if (localM.getType() & SkMatrix::kScale_Mask) {
canvas->setExternalMatrix(&localM);
}
if (fGesture.isActive()) {
this->updateMatrix();
}
if (fNClip) {
this->INHERITED::draw(canvas);
SkBitmap orig = capture_bitmap(canvas);
const SkScalar w = this->width();
const SkScalar h = this->height();
const SkScalar cw = w / XCLIP_N;
const SkScalar ch = h / YCLIP_N;
for (int y = 0; y < YCLIP_N; y++) {
SkRect r;
r.fTop = y * ch;
r.fBottom = (y + 1) * ch;
if (y == YCLIP_N - 1) {
r.fBottom = h;
}
for (int x = 0; x < XCLIP_N; x++) {
SkAutoCanvasRestore acr(canvas, true);
r.fLeft = x * cw;
r.fRight = (x + 1) * cw;
if (x == XCLIP_N - 1) {
r.fRight = w;
}
canvas->clipRect(r);
this->INHERITED::draw(canvas);
}
}
SkBitmap diff;
if (bitmap_diff(canvas, orig, &diff)) {
}
} else {
this->INHERITED::draw(canvas);
}
if (fShowZoomer && !fSaveToPdf) {
showZoomer(canvas);
}
if (fMagnify && !fSaveToPdf) {
magnify(canvas);
}
// do this last
fDevManager->publishCanvas(fDeviceType, canvas, this);
}
static float clipW = 200;
static float clipH = 200;
void SampleWindow::magnify(SkCanvas* canvas) {
SkRect r;
int count = canvas->save();
SkMatrix m = canvas->getTotalMatrix();
m.invert(&m);
SkPoint offset, center;
SkScalar mouseX = fMouseX * SK_Scalar1;
SkScalar mouseY = fMouseY * SK_Scalar1;
m.mapXY(mouseX - clipW/2, mouseY - clipH/2, &offset);
m.mapXY(mouseX, mouseY, &center);
r.set(0, 0, clipW * m.getScaleX(), clipH * m.getScaleX());
r.offset(offset.fX, offset.fY);
SkPaint paint;
paint.setColor(0xFF66AAEE);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(10.f * m.getScaleX());
//lense offset
//canvas->translate(0, -250);
canvas->drawRect(r, paint);
canvas->clipRect(r);
m = canvas->getTotalMatrix();
m.setTranslate(-center.fX, -center.fY);
m.postScale(0.5f * fFatBitsScale, 0.5f * fFatBitsScale);
m.postTranslate(center.fX, center.fY);
canvas->concat(m);
this->INHERITED::draw(canvas);
canvas->restoreToCount(count);
}
void SampleWindow::showZoomer(SkCanvas* canvas) {
int count = canvas->save();
canvas->resetMatrix();
// Ensure the mouse position is on screen.
int width = SkScalarRound(this->width());
int height = SkScalarRound(this->height());
if (fMouseX >= width) fMouseX = width - 1;
else if (fMouseX < 0) fMouseX = 0;
if (fMouseY >= height) fMouseY = height - 1;
else if (fMouseY < 0) fMouseY = 0;
SkBitmap bitmap = capture_bitmap(canvas);
bitmap.lockPixels();
// Find the size of the zoomed in view, forced to be odd, so the examined pixel is in the middle.
int zoomedWidth = (width >> 1) | 1;
int zoomedHeight = (height >> 1) | 1;
SkIRect src;
src.set(0, 0, zoomedWidth / fFatBitsScale, zoomedHeight / fFatBitsScale);
src.offset(fMouseX - (src.width()>>1), fMouseY - (src.height()>>1));
SkRect dest;
dest.set(0, 0, SkIntToScalar(zoomedWidth), SkIntToScalar(zoomedHeight));
dest.offset(SkIntToScalar(width - zoomedWidth), SkIntToScalar(height - zoomedHeight));
SkPaint paint;
// Clear the background behind our zoomed in view
paint.setColor(SK_ColorWHITE);
canvas->drawRect(dest, paint);
canvas->drawBitmapRect(bitmap, &src, dest);
paint.setColor(SK_ColorBLACK);
paint.setStyle(SkPaint::kStroke_Style);
// Draw a border around the pixel in the middle
SkRect originalPixel;
originalPixel.set(SkIntToScalar(fMouseX), SkIntToScalar(fMouseY), SkIntToScalar(fMouseX + 1), SkIntToScalar(fMouseY + 1));
SkMatrix matrix;
SkRect scalarSrc;
scalarSrc.set(src);
SkColor color = bitmap.getColor(fMouseX, fMouseY);
if (matrix.setRectToRect(scalarSrc, dest, SkMatrix::kFill_ScaleToFit)) {
SkRect pixel;
matrix.mapRect(&pixel, originalPixel);
// TODO Perhaps measure the values and make the outline white if it's "dark"
if (color == SK_ColorBLACK) {
paint.setColor(SK_ColorWHITE);
}
canvas->drawRect(pixel, paint);
}
paint.setColor(SK_ColorBLACK);
// Draw a border around the destination rectangle
canvas->drawRect(dest, paint);
paint.setStyle(SkPaint::kStrokeAndFill_Style);
// Identify the pixel and its color on screen
paint.setTypeface(fTypeface);
paint.setAntiAlias(true);
SkScalar lineHeight = paint.getFontMetrics(NULL);
SkString string;
string.appendf("(%i, %i)", fMouseX, fMouseY);
SkScalar left = dest.fLeft + SkIntToScalar(3);
SkScalar i = SK_Scalar1;
drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
// Alpha
i += SK_Scalar1;
string.reset();
string.appendf("A: %X", SkColorGetA(color));
drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
// Red
i += SK_Scalar1;
string.reset();
string.appendf("R: %X", SkColorGetR(color));
paint.setColor(SK_ColorRED);
drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
// Green
i += SK_Scalar1;
string.reset();
string.appendf("G: %X", SkColorGetG(color));
paint.setColor(SK_ColorGREEN);
drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
// Blue
i += SK_Scalar1;
string.reset();
string.appendf("B: %X", SkColorGetB(color));
paint.setColor(SK_ColorBLUE);
drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
canvas->restoreToCount(count);
}
void SampleWindow::onDraw(SkCanvas* canvas) {
}
#include "SkColorPriv.h"
static void reverseRedAndBlue(const SkBitmap& bm) {
SkASSERT(bm.config() == SkBitmap::kARGB_8888_Config);
uint8_t* p = (uint8_t*)bm.getPixels();
uint8_t* stop = p + bm.getSize();
while (p < stop) {
// swap red/blue (to go from ARGB(int) to RGBA(memory) and premultiply
unsigned scale = SkAlpha255To256(p[3]);
unsigned r = p[2];
unsigned b = p[0];
p[0] = SkAlphaMul(r, scale);
p[1] = SkAlphaMul(p[1], scale);
p[2] = SkAlphaMul(b, scale);
p += 4;
}
}
void SampleWindow::saveToPdf()
{
fSaveToPdf = true;
this->inval(NULL);
}
SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) {
if (fSaveToPdf) {
const SkBitmap& bmp = canvas->getDevice()->accessBitmap(false);
SkISize size = SkISize::Make(bmp.width(), bmp.height());
SkPDFDevice* pdfDevice = new SkPDFDevice(size, size,
canvas->getTotalMatrix());
fPdfCanvas = new SkCanvas(pdfDevice);
pdfDevice->unref();
canvas = fPdfCanvas;
} else {
switch (fDeviceType) {
case kRaster_DeviceType:
// fallthrough
case kGPU_DeviceType:
// fallthrough
#if SK_ANGLE
case kANGLE_DeviceType:
#endif
canvas = this->INHERITED::beforeChildren(canvas);
break;
case kPicture_DeviceType:
fPicture = new SkPicture;
canvas = fPicture->beginRecording(9999, 9999);
break;
case kNullGPU_DeviceType:
break;
default:
SkASSERT(false);
break;
}
}
if (fUseClip) {
canvas->drawColor(0xFFFF88FF);
canvas->clipPath(fClipPath, SkRegion::kIntersect_Op, true);
}
return canvas;
}
static void paint_rgn(const SkBitmap& bm, const SkIRect& r,
const SkRegion& rgn) {
SkCanvas canvas(bm);
SkRegion inval(rgn);
inval.translate(r.fLeft, r.fTop);
canvas.clipRegion(inval);
canvas.drawColor(0xFFFF8080);
}
#include "SkData.h"
void SampleWindow::afterChildren(SkCanvas* orig) {
if (fSaveToPdf) {
fSaveToPdf = false;
if (fShowZoomer) {
showZoomer(fPdfCanvas);
}
SkString name;
name.printf("%s.pdf", this->getTitle());
SkPDFDocument doc;
SkPDFDevice* device = static_cast<SkPDFDevice*>(fPdfCanvas->getDevice());
doc.appendPage(device);
#ifdef SK_BUILD_FOR_ANDROID
name.prepend("/sdcard/");
#endif
#ifdef SK_BUILD_FOR_IOS
SkDynamicMemoryWStream mstream;
doc.emitPDF(&mstream);
fPDFData = mstream.copyToData();
#endif
SkFILEWStream stream(name.c_str());
if (stream.isValid()) {
doc.emitPDF(&stream);
const char* desc = "File saved from Skia SampleApp";
this->onPDFSaved(this->getTitle(), desc, name.c_str());
}
delete fPdfCanvas;
fPdfCanvas = NULL;
// We took over the draw calls in order to create the PDF, so we need
// to redraw.
this->inval(NULL);
return;
}
if (fRequestGrabImage) {
fRequestGrabImage = false;
SkDevice* device = orig->getDevice();
SkBitmap bmp;
if (device->accessBitmap(false).copyTo(&bmp, SkBitmap::kARGB_8888_Config)) {
static int gSampleGrabCounter;
SkString name;
name.printf("sample_grab_%d", gSampleGrabCounter++);
SkImageEncoder::EncodeFile(name.c_str(), bmp,
SkImageEncoder::kPNG_Type, 100);
}
}
if (kPicture_DeviceType == fDeviceType) {
if (true) {
SkPicture* pict = new SkPicture(*fPicture);
fPicture->unref();
this->installDrawFilter(orig);
orig->drawPicture(*pict);
pict->unref();
} else if (true) {
SkDynamicMemoryWStream ostream;
fPicture->serialize(&ostream);
fPicture->unref();
SkAutoDataUnref data(ostream.copyToData());
SkMemoryStream istream(data.data(), data.size());
SkPicture pict(&istream);
orig->drawPicture(pict);
} else {
fPicture->draw(orig);
fPicture->unref();
}
fPicture = NULL;
}
// Do this after presentGL and other finishing, rather than in afterChild
if (fMeasureFPS && fMeasureFPS_Time) {
fMeasureFPS_Time = SkTime::GetMSecs() - fMeasureFPS_Time;
this->updateTitle();
this->postInvalDelay();
}
// if ((fScrollTestX | fScrollTestY) != 0)
if (false) {
const SkBitmap& bm = orig->getDevice()->accessBitmap(true);
int dx = fScrollTestX * 7;
int dy = fScrollTestY * 7;
SkIRect r;
SkRegion inval;
r.set(50, 50, 50+100, 50+100);
bm.scrollRect(&r, dx, dy, &inval);
paint_rgn(bm, r, inval);
}
#ifdef DEBUGGER
SkView* curr = curr_view(this);
if (fDebugger && !is_debugger(curr) && !is_transition(curr) && !is_overview(curr)) {
//Stop Pipe when fDebugger is active
fUsePipe = false;
(void)SampleView::SetUsePipe(curr, false);
fAppMenu.getItemByID(fUsePipeMenuItemID)->setBool(fUsePipe);
this->onUpdateMenu(&fAppMenu);
//Reset any transformations
fGesture.stop();
fGesture.reset();
this->loadView(create_debugger(gTempDataStore.begin(),
gTempDataStore.count()));
}
#endif
}
void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) {
if (fScale) {
SkScalar scale = SK_Scalar1 * 7 / 10;
SkScalar cx = this->width() / 2;
SkScalar cy = this->height() / 2;
canvas->translate(cx, cy);
canvas->scale(scale, scale);
canvas->translate(-cx, -cy);
}
if (fRotate) {
SkScalar cx = this->width() / 2;
SkScalar cy = this->height() / 2;
canvas->translate(cx, cy);
canvas->rotate(SkIntToScalar(30));
canvas->translate(-cx, -cy);
}
if (fPerspAnim) {
fPerspAnimTime += SampleCode::GetAnimSecondsDelta();
static const SkScalar gAnimPeriod = 10 * SK_Scalar1;
static const SkScalar gAnimMag = SK_Scalar1 / 1000;
SkScalar t = SkScalarMod(fPerspAnimTime, gAnimPeriod);
if (SkScalarFloorToInt(SkScalarDiv(fPerspAnimTime, gAnimPeriod)) & 0x1) {
t = gAnimPeriod - t;
}
t = 2 * t - gAnimPeriod;
t = SkScalarMul(SkScalarDiv(t, gAnimPeriod), gAnimMag);
SkMatrix m;
m.reset();
m.setPerspY(t);
canvas->concat(m);
}
this->installDrawFilter(canvas);
if (fMeasureFPS) {
fMeasureFPS_Time = 0; // 0 means the child is not aware of repeat-draw
if (SampleView::SetRepeatDraw(child, FPS_REPEAT_COUNT)) {
fMeasureFPS_Time = SkTime::GetMSecs();
}
} else {
(void)SampleView::SetRepeatDraw(child, 1);
}
if (fPerspAnim) {
this->inval(NULL);
}
//(void)SampleView::SetUsePipe(child, fUsePipe);
}
void SampleWindow::afterChild(SkView* child, SkCanvas* canvas) {
canvas->setDrawFilter(NULL);
}
static SkBitmap::Config gConfigCycle[] = {
SkBitmap::kNo_Config, // none -> none
SkBitmap::kNo_Config, // a1 -> none
SkBitmap::kNo_Config, // a8 -> none
SkBitmap::kNo_Config, // index8 -> none
SkBitmap::kARGB_4444_Config, // 565 -> 4444
SkBitmap::kARGB_8888_Config, // 4444 -> 8888
SkBitmap::kRGB_565_Config // 8888 -> 565
};
static SkBitmap::Config cycle_configs(SkBitmap::Config c) {
return gConfigCycle[c];
}
void SampleWindow::changeZoomLevel(float delta) {
fZoomLevel += SkFloatToScalar(delta);
if (fZoomLevel > 0) {
fZoomLevel = SkMinScalar(fZoomLevel, MAX_ZOOM_LEVEL);
fZoomScale = fZoomLevel + SK_Scalar1;
} else if (fZoomLevel < 0) {
fZoomLevel = SkMaxScalar(fZoomLevel, MIN_ZOOM_LEVEL);
fZoomScale = SK_Scalar1 / (SK_Scalar1 - fZoomLevel);
} else {
fZoomScale = SK_Scalar1;
}
this->updateMatrix();
}
void SampleWindow::updateMatrix(){
SkMatrix m;
m.reset();
if (fZoomLevel) {
SkPoint center;
//m = this->getLocalMatrix();//.invert(&m);
m.mapXY(fZoomCenterX, fZoomCenterY, &center);
SkScalar cx = center.fX;
SkScalar cy = center.fY;
m.setTranslate(-cx, -cy);
m.postScale(fZoomScale, fZoomScale);
m.postTranslate(cx, cy);
}
if (fFlipAxis) {
m.preTranslate(fZoomCenterX, fZoomCenterY);
if (fFlipAxis & kFlipAxis_X) {
m.preScale(-SK_Scalar1, SK_Scalar1);
}
if (fFlipAxis & kFlipAxis_Y) {
m.preScale(SK_Scalar1, -SK_Scalar1);
}
m.preTranslate(-fZoomCenterX, -fZoomCenterY);
//canvas->concat(m);
}
// Apply any gesture matrix
m.preConcat(fGesture.localM());
m.preConcat(fGesture.globalM());
this->setLocalMatrix(m);
this->updateTitle();
this->inval(NULL);
}
bool SampleWindow::previousSample() {
fCurrIndex = (fCurrIndex - 1 + fSamples.count()) % fSamples.count();
this->loadView(create_transition(curr_view(this), (*fSamples[fCurrIndex])(),
fTransitionPrev));
return true;
}
bool SampleWindow::nextSample() {
fCurrIndex = (fCurrIndex + 1) % fSamples.count();
this->loadView(create_transition(curr_view(this), (*fSamples[fCurrIndex])(),
fTransitionNext));
return true;
}
bool SampleWindow::goToSample(int i) {
fCurrIndex = (i) % fSamples.count();
this->loadView(create_transition(curr_view(this),(*fSamples[fCurrIndex])(), 6));
return true;
}
SkString SampleWindow::getSampleTitle(int i) {
SkView* view = (*fSamples[i])();
SkString title;
SampleCode::RequestTitle(view, &title);
view->unref();
return title;
}
int SampleWindow::sampleCount() {
return fSamples.count();
}
void SampleWindow::showOverview() {
this->loadView(create_transition(curr_view(this),
create_overview(fSamples.count(), fSamples.begin()),
4));
}
void SampleWindow::installDrawFilter(SkCanvas* canvas) {
canvas->setDrawFilter(new FlagsDrawFilter(fLCDState, fAAState,
fFilterState, fHintingState))->unref();
}
void SampleWindow::postAnimatingEvent() {
if (fAnimating) {
(new SkEvent(ANIMATING_EVENTTYPE, this->getSinkID()))->postDelay(ANIMATING_DELAY);
}
}
bool SampleWindow::onEvent(const SkEvent& evt) {
if (evt.isType(gUpdateWindowTitleEvtName)) {
this->updateTitle();
return true;
}
if (evt.isType(ANIMATING_EVENTTYPE)) {
if (fAnimating) {
this->nextSample();
this->postAnimatingEvent();
}
return true;
}
if (evt.isType("replace-transition-view")) {
this->loadView((SkView*)SkEventSink::FindSink(evt.getFast32()));
return true;
}
if (evt.isType("set-curr-index")) {
this->goToSample(evt.getFast32());
return true;
}
if (isInvalEvent(evt)) {
this->inval(NULL);
return true;
}
int selected = -1;
if (SkOSMenu::FindListIndex(evt, "Device Type", &selected)) {
this->setDeviceType((DeviceType)selected);
return true;
}
if (SkOSMenu::FindSwitchState(evt, "Pipe", &fUsePipe)) {
#ifdef PIPE_NET
if (!fUsePipe)
gServer.disconnectAll();
#endif
(void)SampleView::SetUsePipe(curr_view(this), fUsePipe);
this->updateTitle();
this->inval(NULL);
return true;
}
if (SkOSMenu::FindSwitchState(evt, "Slide Show", NULL)) {
this->toggleSlideshow();
return true;
}
if (SkOSMenu::FindTriState(evt, "AA", &fAAState) ||
SkOSMenu::FindTriState(evt, "LCD", &fLCDState) ||
SkOSMenu::FindTriState(evt, "Filter", &fFilterState) ||
SkOSMenu::FindTriState(evt, "Hinting", &fHintingState) ||
SkOSMenu::FindSwitchState(evt, "Clip", &fUseClip) ||
SkOSMenu::FindSwitchState(evt, "Zoomer", &fShowZoomer) ||
SkOSMenu::FindSwitchState(evt, "Magnify", &fMagnify) ||
SkOSMenu::FindListIndex(evt, "Transition-Next", &fTransitionNext) ||
SkOSMenu::FindListIndex(evt, "Transition-Prev", &fTransitionPrev)) {
this->inval(NULL);
this->updateTitle();
return true;
}
if (SkOSMenu::FindSwitchState(evt, "Flip X", NULL)) {
fFlipAxis ^= kFlipAxis_X;
this->updateMatrix();
return true;
}
if (SkOSMenu::FindSwitchState(evt, "Flip Y", NULL)) {
fFlipAxis ^= kFlipAxis_Y;
this->updateMatrix();
return true;
}
if (SkOSMenu::FindAction(evt,"Save to PDF")) {
this->saveToPdf();
return true;
}
#ifdef DEBUGGER
if (SkOSMenu::FindSwitchState(evt, "Debugger", &fDebugger)) {
if (fDebugger) {
fUsePipe = true;
(void)SampleView::SetUsePipe(curr_view(this), true);
} else {
this->loadView(fSamples[fCurrIndex]());
}
this->inval(NULL);
return true;
}
#endif
return this->INHERITED::onEvent(evt);
}
bool SampleWindow::onQuery(SkEvent* query) {
if (query->isType("get-slide-count")) {
query->setFast32(fSamples.count());
return true;
}
if (query->isType("get-slide-title")) {
SkView* view = (*fSamples[query->getFast32()])();
SkEvent evt(gTitleEvtName);
if (view->doQuery(&evt)) {
query->setString("title", evt.findString(gTitleEvtName));
}
SkSafeUnref(view);
return true;
}
if (query->isType("use-fast-text")) {
SkEvent evt(gFastTextEvtName);
return curr_view(this)->doQuery(&evt);
}
if (query->isType("ignore-window-bitmap")) {
query->setFast32(this->getGrContext() != NULL);
return true;
}
return this->INHERITED::onQuery(query);
}
static void cleanup_for_filename(SkString* name) {
char* str = name->writable_str();
for (size_t i = 0; i < name->size(); i++) {
switch (str[i]) {
case ':': str[i] = '-'; break;
case '/': str[i] = '-'; break;
case ' ': str[i] = '_'; break;
default: break;
}
}
}
bool SampleWindow::onHandleChar(SkUnichar uni) {
{
SkView* view = curr_view(this);
if (view) {
SkEvent evt(gCharEvtName);
evt.setFast32(uni);
if (view->doQuery(&evt)) {
return true;
}
}
}
int dx = 0xFF;
int dy = 0xFF;
switch (uni) {
case '5': dx = 0; dy = 0; break;
case '8': dx = 0; dy = -1; break;
case '6': dx = 1; dy = 0; break;
case '2': dx = 0; dy = 1; break;
case '4': dx = -1; dy = 0; break;
case '7': dx = -1; dy = -1; break;
case '9': dx = 1; dy = -1; break;
case '3': dx = 1; dy = 1; break;
case '1': dx = -1; dy = 1; break;
default:
break;
}
if (0xFF != dx && 0xFF != dy) {
if ((dx | dy) == 0) {
fScrollTestX = fScrollTestY = 0;
} else {
fScrollTestX += dx;
fScrollTestY += dy;
}
this->inval(NULL);
return true;
}
switch (uni) {
case 'f':
// only
toggleFPS();
break;
case 'g':
fRequestGrabImage = true;
this->inval(NULL);
break;
case 'i':
this->zoomIn();
break;
case 'o':
this->zoomOut();
break;
case 'r':
fRotate = !fRotate;
this->inval(NULL);
this->updateTitle();
return true;
case 'k':
fPerspAnim = !fPerspAnim;
this->inval(NULL);
this->updateTitle();
return true;
case '\\':
this->setDeviceType(kNullGPU_DeviceType);
this->inval(NULL);
this->updateTitle();
return true;
case 'p':
{
GrContext* grContext = this->getGrContext();
if (grContext) {
size_t cacheBytes = grContext->getGpuTextureCacheBytes();
grContext->freeGpuResources();
SkDebugf("Purged %d bytes from the GPU resource cache.\n",
cacheBytes);
}
}
return true;
case 's':
fScale = !fScale;
this->inval(NULL);
this->updateTitle();
return true;
default:
break;
}
if (fAppMenu.handleKeyEquivalent(uni)|| fSlideMenu.handleKeyEquivalent(uni)) {
this->onUpdateMenu(&fAppMenu);
this->onUpdateMenu(&fSlideMenu);
return true;
}
return this->INHERITED::onHandleChar(uni);
}
void SampleWindow::setDeviceType(DeviceType type) {
if (type == fDeviceType)
return;
fDevManager->tearDownBackend(this);
fDeviceType = type;
fDevManager->setUpBackend(this, fMSAASampleCount);
this->updateTitle();
this->inval(NULL);
}
void SampleWindow::toggleSlideshow() {
fAnimating = !fAnimating;
this->postAnimatingEvent();
this->updateTitle();
}
void SampleWindow::toggleRendering() {
this->setDeviceType(cycle_devicetype(fDeviceType));
this->updateTitle();
this->inval(NULL);
}
void SampleWindow::toggleFPS() {
fMeasureFPS = !fMeasureFPS;
this->updateTitle();
this->inval(NULL);
}
#include "SkDumpCanvas.h"
bool SampleWindow::onHandleKey(SkKey key) {
{
SkView* view = curr_view(this);
if (view) {
SkEvent evt(gKeyEvtName);
evt.setFast32(key);
if (view->doQuery(&evt)) {
return true;
}
}
}
switch (key) {
case kRight_SkKey:
if (this->nextSample()) {
return true;
}
break;
case kLeft_SkKey:
toggleRendering();
return true;
case kUp_SkKey:
if (USE_ARROWS_FOR_ZOOM) {
this->changeZoomLevel(1.f);
} else {
fNClip = !fNClip;
this->inval(NULL);
this->updateTitle();
}
return true;
case kDown_SkKey:
if (USE_ARROWS_FOR_ZOOM) {
this->changeZoomLevel(-1.f);
} else {
this->setConfig(cycle_configs(this->getBitmap().config()));
this->updateTitle();
}
return true;
case kOK_SkKey: {
SkString title;
if (curr_title(this, &title)) {
writeTitleToPrefs(title.c_str());
}
return true;
}
case kBack_SkKey:
this->showOverview();
return true;
default:
break;
}
return this->INHERITED::onHandleKey(key);
}
///////////////////////////////////////////////////////////////////////////////
static const char gGestureClickType[] = "GestureClickType";
bool SampleWindow::onDispatchClick(int x, int y, Click::State state,
void* owner) {
if (Click::kMoved_State == state) {
updatePointer(x, y);
}
int w = SkScalarRound(this->width());
int h = SkScalarRound(this->height());
// check for the resize-box
if (w - x < 16 && h - y < 16) {
return false; // let the OS handle the click
}
else if (fMagnify) {
//it's only necessary to update the drawing if there's a click
this->inval(NULL);
return false; //prevent dragging while magnify is enabled
}
else {
return this->INHERITED::onDispatchClick(x, y, state, owner);
}
}
class GestureClick : public SkView::Click {
public:
GestureClick(SkView* target) : SkView::Click(target) {
this->setType(gGestureClickType);
}
static bool IsGesture(Click* click) {
return click->isType(gGestureClickType);
}
};
SkView::Click* SampleWindow::onFindClickHandler(SkScalar x, SkScalar y) {
return new GestureClick(this);
}
bool SampleWindow::onClick(Click* click) {
if (GestureClick::IsGesture(click)) {
float x = static_cast<float>(click->fICurr.fX);
float y = static_cast<float>(click->fICurr.fY);
switch (click->fState) {
case SkView::Click::kDown_State:
fGesture.touchBegin(click->fOwner, x, y);
break;
case SkView::Click::kMoved_State:
fGesture.touchMoved(click->fOwner, x, y);
this->updateMatrix();
break;
case SkView::Click::kUp_State:
fGesture.touchEnd(click->fOwner);
this->updateMatrix();
break;
}
return true;
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
void SampleWindow::loadView(SkView* view) {
SkView::F2BIter iter(this);
SkView* prev = iter.next();
if (prev) {
prev->detachFromParent();
}
view->setVisibleP(true);
view->setClipToBounds(false);
this->attachChildToFront(view)->unref();
view->setSize(this->width(), this->height());
//repopulate the slide menu when a view is loaded
fSlideMenu.reset();
#ifdef DEBUGGER
if (!is_debugger(view) && !is_overview(view) && !is_transition(view) && fDebugger) {
//Force Pipe to be on if using debugger
fUsePipe = true;
}
#endif
(void)SampleView::SetUsePipe(view, fUsePipe);
if (SampleView::IsSampleView(view))
((SampleView*)view)->requestMenu(&fSlideMenu);
this->onUpdateMenu(&fSlideMenu);
this->updateTitle();
}
static const char* gConfigNames[] = {
"unknown config",
"A1",
"A8",
"Index8",
"565",
"4444",
"8888"
};
static const char* configToString(SkBitmap::Config c) {
return gConfigNames[c];
}
static const char* gDeviceTypePrefix[] = {
"raster: ",
"picture: ",
"opengl: ",
#if SK_ANGLE
"angle: ",
#endif
"null-gl: "
};
static const bool gDeviceTypeIsGPU[] = {
false,
false,
true,
#if SK_ANGLE
true,
#endif
true
};
static const char* trystate_str(SkOSMenu::TriState state,
const char trueStr[], const char falseStr[]) {
if (SkOSMenu::kOnState == state) {
return trueStr;
} else if (SkOSMenu::kOffState == state) {
return falseStr;
}
return NULL;
}
void SampleWindow::updateTitle() {
SkView* view = curr_view(this);
SkString title;
if (!curr_title(this, &title)) {
title.set("<unknown>");
}
title.prepend(gDeviceTypePrefix[fDeviceType]);
title.prepend(" ");
title.prepend(configToString(this->getBitmap().config()));
if (fAnimating) {
title.prepend("<A> ");
}
if (fScale) {
title.prepend("<S> ");
}
if (fRotate) {
title.prepend("<R> ");
}
if (fNClip) {
title.prepend("<C> ");
}
if (fPerspAnim) {
title.prepend("<K> ");
}
title.prepend(trystate_str(fLCDState, "LCD ", "lcd "));
title.prepend(trystate_str(fAAState, "AA ", "aa "));
title.prepend(trystate_str(fFilterState, "H ", "h "));
title.prepend(fFlipAxis & kFlipAxis_X ? "X " : NULL);
title.prepend(fFlipAxis & kFlipAxis_Y ? "Y " : NULL);
if (fZoomLevel) {
title.prependf("{%.2f} ", SkScalarToFloat(fZoomLevel));
}
if (fMeasureFPS) {
title.appendf(" %6.1f ms", fMeasureFPS_Time / (float)FPS_REPEAT_MULTIPLIER);
}
if (fUsePipe && SampleView::IsSampleView(view)) {
title.prepend("<P> ");
}
if (SampleView::IsSampleView(view)) {
title.prepend("! ");
}
if (gDeviceTypeIsGPU[fDeviceType] &&
NULL != fDevManager &&
fDevManager->getGrRenderTarget()->numSamples() > 0) {
title.appendf(" [MSAA: %d]",
fDevManager->getGrRenderTarget()->numSamples());
}
this->setTitle(title.c_str());
}
void SampleWindow::onSizeChange() {
this->INHERITED::onSizeChange();
SkView::F2BIter iter(this);
SkView* view = iter.next();
view->setSize(this->width(), this->height());
// rebuild our clippath
{
const SkScalar W = this->width();
const SkScalar H = this->height();
fClipPath.reset();
#if 0
for (SkScalar y = SK_Scalar1; y < H; y += SkIntToScalar(32)) {
SkRect r;
r.set(SK_Scalar1, y, SkIntToScalar(30), y + SkIntToScalar(30));
for (; r.fLeft < W; r.offset(SkIntToScalar(32), 0))
fClipPath.addRect(r);
}
#else
SkRect r;
r.set(0, 0, W, H);
fClipPath.addRect(r, SkPath::kCCW_Direction);
r.set(W/4, H/4, W*3/4, H*3/4);
fClipPath.addRect(r, SkPath::kCW_Direction);
#endif
}
fZoomCenterX = SkScalarHalf(this->width());
fZoomCenterY = SkScalarHalf(this->height());
#ifdef SK_BUILD_FOR_ANDROID
// FIXME: The first draw after a size change does not work on Android, so
// we post an invalidate.
this->postInvalDelay();
#endif
this->updateTitle(); // to refresh our config
fDevManager->windowSizeChanged(this);
}
///////////////////////////////////////////////////////////////////////////////
static const char is_sample_view_tag[] = "sample-is-sample-view";
static const char repeat_count_tag[] = "sample-set-repeat-count";
static const char set_use_pipe_tag[] = "sample-set-use-pipe";
bool SampleView::IsSampleView(SkView* view) {
SkEvent evt(is_sample_view_tag);
return view->doQuery(&evt);
}
bool SampleView::SetRepeatDraw(SkView* view, int count) {
SkEvent evt(repeat_count_tag);
evt.setFast32(count);
return view->doEvent(evt);
}
bool SampleView::SetUsePipe(SkView* view, bool pred) {
SkEvent evt(set_use_pipe_tag);
evt.setFast32(pred);
return view->doEvent(evt);
}
bool SampleView::onEvent(const SkEvent& evt) {
if (evt.isType(repeat_count_tag)) {
fRepeatCount = evt.getFast32();
return true;
}
if (evt.isType(set_use_pipe_tag)) {
fUsePipe = !!evt.getFast32();
return true;
}
return this->INHERITED::onEvent(evt);
}
bool SampleView::onQuery(SkEvent* evt) {
if (evt->isType(is_sample_view_tag)) {
return true;
}
return this->INHERITED::onQuery(evt);
}
#ifdef TEST_GPIPE
#include "SkGPipe.h"
class SimplePC : public SkGPipeController {
public:
SimplePC(SkCanvas* target);
~SimplePC();
/**
* User this method to halt/restart pipe
*/
void setWriteToPipe(bool writeToPipe) { fWriteToPipe = writeToPipe; }
virtual void* requestBlock(size_t minRequest, size_t* actual);
virtual void notifyWritten(size_t bytes);
private:
SkGPipeReader fReader;
void* fBlock;
size_t fBlockSize;
size_t fBytesWritten;
int fAtomsWritten;
SkGPipeReader::Status fStatus;
bool fWriteToPipe;
size_t fTotalWritten;
};
SimplePC::SimplePC(SkCanvas* target) : fReader(target) {
fBlock = NULL;
fBlockSize = fBytesWritten = 0;
fStatus = SkGPipeReader::kDone_Status;
fTotalWritten = 0;
fAtomsWritten = 0;
fWriteToPipe = true;
}
SimplePC::~SimplePC() {
// SkASSERT(SkGPipeReader::kDone_Status == fStatus);
if (fTotalWritten) {
if (fWriteToPipe) {
SkDebugf("--- %d bytes %d atoms, status %d\n", fTotalWritten,
fAtomsWritten, fStatus);
#ifdef PIPE_FILE
//File is open in append mode
FILE* f = fopen(FILE_PATH, "ab");
SkASSERT(f != NULL);
fwrite((const char*)fBlock + fBytesWritten, 1, bytes, f);
fclose(f);
#endif
#ifdef PIPE_NET
if (fAtomsWritten > 1 && fTotalWritten > 4) { //ignore done
gServer.acceptConnections();
gServer.writePacket(fBlock, fTotalWritten);
}
#endif
#ifdef DEBUGGER
gTempDataStore.reset();
gTempDataStore.append(fTotalWritten, (const char*)fBlock);
#endif
}
}
sk_free(fBlock);
}
void* SimplePC::requestBlock(size_t minRequest, size_t* actual) {
sk_free(fBlock);
fBlockSize = minRequest * 4;
fBlock = sk_malloc_throw(fBlockSize);
fBytesWritten = 0;
*actual = fBlockSize;
return fBlock;
}
void SimplePC::notifyWritten(size_t bytes) {
SkASSERT(fBytesWritten + bytes <= fBlockSize);
fStatus = fReader.playback((const char*)fBlock + fBytesWritten, bytes);
SkASSERT(SkGPipeReader::kError_Status != fStatus);
fBytesWritten += bytes;
fTotalWritten += bytes;
fAtomsWritten += 1;
}
#endif
void SampleView::draw(SkCanvas* canvas) {
#ifdef TEST_GPIPE
if (fUsePipe) {
SkGPipeWriter writer;
SimplePC controller(canvas);
uint32_t flags = SkGPipeWriter::kCrossProcess_Flag;
canvas = writer.startRecording(&controller, flags);
//Must draw before controller goes out of scope and sends data
this->INHERITED::draw(canvas);
//explicitly end recording to ensure writer is flushed before the memory
//is freed in the deconstructor of the controller
writer.endRecording();
controller.setWriteToPipe(fUsePipe);
}
else
this->INHERITED::draw(canvas);
#else
this->INHERITED::draw(canvas);
#endif
}
void SampleView::onDraw(SkCanvas* canvas) {
this->onDrawBackground(canvas);
for (int i = 0; i < fRepeatCount; i++) {
SkAutoCanvasRestore acr(canvas, true);
this->onDrawContent(canvas);
}
}
void SampleView::onDrawBackground(SkCanvas* canvas) {
canvas->drawColor(fBGColor);
}
///////////////////////////////////////////////////////////////////////////////
template <typename T> void SkTBSort(T array[], int count) {
for (int i = 1; i < count - 1; i++) {
bool didSwap = false;
for (int j = count - 1; j > i; --j) {
if (array[j] < array[j-1]) {
T tmp(array[j-1]);
array[j-1] = array[j];
array[j] = tmp;
didSwap = true;
}
}
if (!didSwap) {
break;
}
}
for (int k = 0; k < count - 1; k++) {
SkASSERT(!(array[k+1] < array[k]));
}
}
#include "SkRandom.h"
static void rand_rect(SkIRect* rect, SkRandom& rand) {
int bits = 8;
int shift = 32 - bits;
rect->set(rand.nextU() >> shift, rand.nextU() >> shift,
rand.nextU() >> shift, rand.nextU() >> shift);
rect->sort();
}
static void dumpRect(const SkIRect& r) {
SkDebugf(" { %d, %d, %d, %d },\n",
r.fLeft, r.fTop,
r.fRight, r.fBottom);
}
static void test_rects(const SkIRect rect[], int count) {
SkRegion rgn0, rgn1;
for (int i = 0; i < count; i++) {
rgn0.op(rect[i], SkRegion::kUnion_Op);
// dumpRect(rect[i]);
}
rgn1.setRects(rect, count);
if (rgn0 != rgn1) {
SkDebugf("\n");
for (int i = 0; i < count; i++) {
dumpRect(rect[i]);
}
SkDebugf("\n");
}
}
static void test() {
size_t i;
const SkIRect r0[] = {
{ 0, 0, 1, 1 },
{ 2, 2, 3, 3 },
};
const SkIRect r1[] = {
{ 0, 0, 1, 3 },
{ 1, 1, 2, 2 },
{ 2, 0, 3, 3 },
};
const SkIRect r2[] = {
{ 0, 0, 1, 2 },
{ 2, 1, 3, 3 },
{ 4, 0, 5, 1 },
{ 6, 0, 7, 4 },
};
static const struct {
const SkIRect* fRects;
int fCount;
} gRecs[] = {
{ r0, SK_ARRAY_COUNT(r0) },
{ r1, SK_ARRAY_COUNT(r1) },
{ r2, SK_ARRAY_COUNT(r2) },
};
for (i = 0; i < SK_ARRAY_COUNT(gRecs); i++) {
test_rects(gRecs[i].fRects, gRecs[i].fCount);
}
SkRandom rand;
for (i = 0; i < 10000; i++) {
SkRegion rgn0, rgn1;
const int N = 8;
SkIRect rect[N];
for (int j = 0; j < N; j++) {
rand_rect(&rect[j], rand);
}
test_rects(rect, N);
}
}
SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) {
// test();
return new SampleWindow(hwnd, argc, argv, NULL);
}
void get_preferred_size(int* x, int* y, int* width, int* height) {
*x = 10;
*y = 50;
*width = 640;
*height = 480;
}
void application_init() {
// setenv("ANDROID_ROOT", "../../../data", 0);
#ifdef SK_BUILD_FOR_MAC
setenv("ANDROID_ROOT", "/android/device/data", 0);
#endif
SkGraphics::Init();
SkEvent::Init();
}
void application_term() {
SkEvent::Term();
SkGraphics::Term();
}
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