3272ba8abc
git-svn-id: http://skia.googlecode.com/svn/trunk@1426 2bbb7eff-a529-9590-31e7-b0007b416f81
1630 lines
44 KiB
C++
1630 lines
44 KiB
C++
#include "SkCanvas.h"
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#include "SkDevice.h"
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#include "SkGpuCanvas.h"
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#include "SkGraphics.h"
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#include "SkImageEncoder.h"
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#include "SkPaint.h"
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#include "SkPicture.h"
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#include "SkStream.h"
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#include "SkTime.h"
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#include "SkWindow.h"
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#include "SampleCode.h"
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#include "GrContext.h"
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#include "SkTouchGesture.h"
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#include "SkTypeface.h"
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#define USE_ARROWS_FOR_ZOOM true
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//#define DEFAULT_TO_GPU
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extern SkView* create_overview(int, const SkViewFactory[]);
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#define SK_SUPPORT_GL
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#define ANIMATING_EVENTTYPE "nextSample"
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#define ANIMATING_DELAY 750
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#ifdef SK_DEBUG
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#define FPS_REPEAT_MULTIPLIER 1
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#else
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#define FPS_REPEAT_MULTIPLIER 10
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#endif
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#define FPS_REPEAT_COUNT (10 * FPS_REPEAT_MULTIPLIER)
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#ifdef SK_SUPPORT_GL
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#include "GrGLConfig.h"
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#endif
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///////////////
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static const char view_inval_msg[] = "view-inval-msg";
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static void postInvalDelay(SkEventSinkID sinkID) {
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SkEvent* evt = new SkEvent(view_inval_msg);
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evt->post(sinkID, 1);
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}
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static bool isInvalEvent(const SkEvent& evt) {
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return evt.isType(view_inval_msg);
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}
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//////////////////
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SkViewRegister* SkViewRegister::gHead;
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SkViewRegister::SkViewRegister(SkViewFactory fact) : fFact(fact) {
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static bool gOnce;
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if (!gOnce) {
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gHead = NULL;
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gOnce = true;
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}
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fChain = gHead;
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gHead = this;
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}
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#if defined(SK_SUPPORT_GL)
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#define SK_USE_SHADERS
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#endif
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#ifdef SK_BUILD_FOR_MAC
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#include <CoreFoundation/CoreFoundation.h>
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#include <CoreFoundation/CFURLAccess.h>
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static void testpdf() {
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CFStringRef path = CFStringCreateWithCString(NULL, "/test.pdf",
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kCFStringEncodingUTF8);
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CFURLRef url = CFURLCreateWithFileSystemPath(NULL, path,
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kCFURLPOSIXPathStyle,
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false);
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CFRelease(path);
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CGRect box = CGRectMake(0, 0, 8*72, 10*72);
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CGContextRef cg = CGPDFContextCreateWithURL(url, &box, NULL);
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CFRelease(url);
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CGContextBeginPage(cg, &box);
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CGRect r = CGRectMake(10, 10, 40 + 0.5, 50 + 0.5);
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CGContextFillEllipseInRect(cg, r);
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CGContextEndPage(cg);
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CGContextRelease(cg);
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if (false) {
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SkBitmap bm;
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bm.setConfig(SkBitmap::kA8_Config, 64, 64);
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bm.allocPixels();
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bm.eraseColor(0);
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SkCanvas canvas(bm);
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}
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}
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#endif
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//////////////////////////////////////////////////////////////////////////////
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enum FlipAxisEnum {
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kFlipAxis_X = (1 << 0),
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kFlipAxis_Y = (1 << 1)
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};
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enum SkTriState {
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kFalse_SkTriState,
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kTrue_SkTriState,
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kUnknown_SkTriState,
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};
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static SkTriState cycle_tristate(SkTriState state) {
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static const SkTriState gCycle[] = {
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/* kFalse_SkTriState -> */ kUnknown_SkTriState,
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/* kTrue_SkTriState -> */ kFalse_SkTriState,
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/* kUnknown_SkTriState -> */ kTrue_SkTriState,
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};
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return gCycle[state];
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}
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#include "SkDrawFilter.h"
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class FlagsDrawFilter : public SkDrawFilter {
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public:
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FlagsDrawFilter(SkTriState lcd, SkTriState aa, SkTriState filter,
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SkTriState hinting) :
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fLCDState(lcd), fAAState(aa), fFilterState(filter), fHintingState(hinting) {}
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virtual void filter(SkPaint* paint, Type t) {
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if (kText_Type == t && kUnknown_SkTriState != fLCDState) {
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paint->setLCDRenderText(kTrue_SkTriState == fLCDState);
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}
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if (kUnknown_SkTriState != fAAState) {
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paint->setAntiAlias(kTrue_SkTriState == fAAState);
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}
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if (kUnknown_SkTriState != fFilterState) {
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paint->setFilterBitmap(kTrue_SkTriState == fFilterState);
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}
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if (kUnknown_SkTriState != fHintingState) {
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paint->setHinting(kTrue_SkTriState == fHintingState ?
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SkPaint::kNormal_Hinting :
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SkPaint::kSlight_Hinting);
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}
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}
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private:
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SkTriState fLCDState;
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SkTriState fAAState;
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SkTriState fFilterState;
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SkTriState fHintingState;
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};
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//////////////////////////////////////////////////////////////////////////////
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#define MAX_ZOOM_LEVEL 8
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#define MIN_ZOOM_LEVEL -8
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static const char gCharEvtName[] = "SampleCode_Char_Event";
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static const char gKeyEvtName[] = "SampleCode_Key_Event";
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static const char gTitleEvtName[] = "SampleCode_Title_Event";
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static const char gPrefSizeEvtName[] = "SampleCode_PrefSize_Event";
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static const char gFastTextEvtName[] = "SampleCode_FastText_Event";
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bool SampleCode::CharQ(const SkEvent& evt, SkUnichar* outUni) {
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if (evt.isType(gCharEvtName, sizeof(gCharEvtName) - 1)) {
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if (outUni) {
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*outUni = evt.getFast32();
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}
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return true;
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}
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return false;
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}
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bool SampleCode::KeyQ(const SkEvent& evt, SkKey* outKey) {
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if (evt.isType(gKeyEvtName, sizeof(gKeyEvtName) - 1)) {
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if (outKey) {
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*outKey = (SkKey)evt.getFast32();
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}
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return true;
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}
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return false;
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}
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bool SampleCode::TitleQ(const SkEvent& evt) {
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return evt.isType(gTitleEvtName, sizeof(gTitleEvtName) - 1);
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}
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void SampleCode::TitleR(SkEvent* evt, const char title[]) {
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SkASSERT(evt && TitleQ(*evt));
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evt->setString(gTitleEvtName, title);
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}
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bool SampleCode::PrefSizeQ(const SkEvent& evt) {
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return evt.isType(gPrefSizeEvtName, sizeof(gPrefSizeEvtName) - 1);
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}
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void SampleCode::PrefSizeR(SkEvent* evt, SkScalar width, SkScalar height) {
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SkASSERT(evt && PrefSizeQ(*evt));
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SkScalar size[2];
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size[0] = width;
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size[1] = height;
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evt->setScalars(gPrefSizeEvtName, 2, size);
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}
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bool SampleCode::FastTextQ(const SkEvent& evt) {
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return evt.isType(gFastTextEvtName, sizeof(gFastTextEvtName) - 1);
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}
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///////////////////////////////////////////////////////////////////////////////
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static SkMSec gAnimTime;
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static SkMSec gAnimTimePrev;
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SkMSec SampleCode::GetAnimTime() { return gAnimTime; }
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SkMSec SampleCode::GetAnimTimeDelta() { return gAnimTime - gAnimTimePrev; }
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SkScalar SampleCode::GetAnimSecondsDelta() {
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return SkDoubleToScalar(GetAnimTimeDelta() / 1000.0);
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}
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SkScalar SampleCode::GetAnimScalar(SkScalar speed, SkScalar period) {
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// since gAnimTime can be up to 32 bits, we can't convert it to a float
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// or we'll lose the low bits. Hence we use doubles for the intermediate
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// calculations
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double seconds = (double)gAnimTime / 1000.0;
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double value = SkScalarToDouble(speed) * seconds;
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if (period) {
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value = ::fmod(value, SkScalarToDouble(period));
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}
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return SkDoubleToScalar(value);
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}
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//////////////////////////////////////////////////////////////////////////////
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static SkView* curr_view(SkWindow* wind) {
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SkView::F2BIter iter(wind);
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return iter.next();
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}
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class SampleWindow : public SkOSWindow {
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SkTDArray<SkViewFactory> fSamples;
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public:
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SampleWindow(void* hwnd);
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virtual ~SampleWindow();
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virtual void draw(SkCanvas* canvas);
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protected:
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virtual void onDraw(SkCanvas* canvas);
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virtual bool onHandleKey(SkKey key);
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virtual bool onHandleChar(SkUnichar);
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virtual void onSizeChange();
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virtual SkCanvas* beforeChildren(SkCanvas*);
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virtual void afterChildren(SkCanvas*);
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virtual void beforeChild(SkView* child, SkCanvas* canvas);
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virtual void afterChild(SkView* child, SkCanvas* canvas);
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virtual bool onEvent(const SkEvent& evt);
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virtual bool onQuery(SkEvent* evt);
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virtual bool onDispatchClick(int x, int y, Click::State);
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virtual bool onClick(Click* click);
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virtual Click* onFindClickHandler(SkScalar x, SkScalar y);
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#if 0
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virtual bool handleChar(SkUnichar uni);
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virtual bool handleEvent(const SkEvent& evt);
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virtual bool handleKey(SkKey key);
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virtual bool handleKeyUp(SkKey key);
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virtual bool onHandleKeyUp(SkKey key);
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#endif
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private:
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int fCurrIndex;
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SkPicture* fPicture;
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SkGpuCanvas* fGpuCanvas;
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GrContext* fGrContext;
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SkPath fClipPath;
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SkTouchGesture fGesture;
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int fZoomLevel;
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SkScalar fZoomScale;
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enum CanvasType {
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kRaster_CanvasType,
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kPicture_CanvasType,
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kGPU_CanvasType
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};
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CanvasType fCanvasType;
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bool fUseClip;
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bool fNClip;
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bool fRepeatDrawing;
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bool fAnimating;
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bool fRotate;
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bool fScale;
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bool fRequestGrabImage;
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bool fUsePipe;
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bool fMeasureFPS;
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SkMSec fMeasureFPS_Time;
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// The following are for the 'fatbits' drawing
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// Latest position of the mouse.
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int fMouseX, fMouseY;
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int fFatBitsScale;
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// Used by the text showing position and color values.
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SkTypeface* fTypeface;
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bool fShowZoomer;
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SkTriState fLCDState;
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SkTriState fAAState;
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SkTriState fFilterState;
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SkTriState fHintingState;
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unsigned fFlipAxis;
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int fScrollTestX, fScrollTestY;
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bool make3DReady();
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void changeZoomLevel(int delta);
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void loadView(SkView*);
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void updateTitle();
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bool nextSample();
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void toggleZoomer();
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bool zoomIn();
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bool zoomOut();
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void updatePointer(int x, int y);
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void showZoomer(SkCanvas* canvas);
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void postAnimatingEvent() {
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if (fAnimating) {
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SkEvent* evt = new SkEvent(ANIMATING_EVENTTYPE);
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evt->post(this->getSinkID(), ANIMATING_DELAY);
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}
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}
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static CanvasType cycle_canvastype(CanvasType);
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typedef SkOSWindow INHERITED;
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};
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bool SampleWindow::zoomIn()
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{
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// Arbitrarily decided
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if (fFatBitsScale == 25) return false;
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fFatBitsScale++;
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this->inval(NULL);
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return true;
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}
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bool SampleWindow::zoomOut()
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{
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if (fFatBitsScale == 1) return false;
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fFatBitsScale--;
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this->inval(NULL);
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return true;
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}
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void SampleWindow::toggleZoomer()
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{
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fShowZoomer = !fShowZoomer;
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this->inval(NULL);
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}
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void SampleWindow::updatePointer(int x, int y)
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{
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fMouseX = x;
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fMouseY = y;
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if (fShowZoomer) {
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this->inval(NULL);
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}
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}
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bool SampleWindow::make3DReady() {
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#if defined(SK_SUPPORT_GL)
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if (attachGL()) {
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if (NULL != fGrContext) {
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// various gr lifecycle tests
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#if 0
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fGrContext->freeGpuResources();
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#elif 0
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// this will leak resources.
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fGrContext->contextLost();
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#elif 0
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GrAssert(1 == fGrContext->refcnt());
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fGrContext->unref();
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fGrContext = NULL;
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#endif
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}
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if (NULL == fGrContext) {
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#if defined(SK_USE_SHADERS)
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fGrContext = GrContext::Create(kOpenGL_Shaders_GrEngine, NULL);
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#else
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fGrContext = GrContext::Create(kOpenGL_Fixed_GrEngine, NULL);
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#endif
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SkDebugf("---- constructor\n");
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}
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if (NULL != fGrContext) {
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return true;
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} else {
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detachGL();
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}
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}
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#endif
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SkDebugf("Failed to setup 3D");
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return false;
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}
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SampleWindow::CanvasType SampleWindow::cycle_canvastype(CanvasType ct) {
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static const CanvasType gCT[] = {
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kPicture_CanvasType,
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kGPU_CanvasType,
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kRaster_CanvasType
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};
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return gCT[ct];
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}
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SampleWindow::SampleWindow(void* hwnd) : INHERITED(hwnd) {
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fPicture = NULL;
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fGpuCanvas = NULL;
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fGrContext = NULL;
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#ifdef DEFAULT_TO_GPU
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fCanvasType = kGPU_CanvasType;
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#else
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fCanvasType = kRaster_CanvasType;
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#endif
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fUseClip = false;
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fNClip = false;
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fRepeatDrawing = false;
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fAnimating = false;
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fRotate = false;
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fScale = false;
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fRequestGrabImage = false;
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fUsePipe = false;
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fMeasureFPS = false;
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fLCDState = kUnknown_SkTriState;
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fAAState = kUnknown_SkTriState;
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fFilterState = kUnknown_SkTriState;
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fHintingState = kUnknown_SkTriState;
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fFlipAxis = 0;
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fScrollTestX = fScrollTestY = 0;
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fMouseX = fMouseY = 0;
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fFatBitsScale = 8;
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fTypeface = SkTypeface::CreateFromTypeface(NULL, SkTypeface::kBold);
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fShowZoomer = false;
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fZoomLevel = 0;
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fZoomScale = SK_Scalar1;
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// this->setConfig(SkBitmap::kRGB_565_Config);
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this->setConfig(SkBitmap::kARGB_8888_Config);
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this->setVisibleP(true);
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this->setClipToBounds(false);
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{
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const SkViewRegister* reg = SkViewRegister::Head();
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while (reg) {
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*fSamples.append() = reg->factory();
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reg = reg->next();
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}
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}
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fCurrIndex = 0;
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this->loadView(fSamples[fCurrIndex]());
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#ifdef SK_BUILD_FOR_MAC
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testpdf();
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#endif
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}
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SampleWindow::~SampleWindow() {
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delete fPicture;
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delete fGpuCanvas;
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if (NULL != fGrContext) {
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fGrContext->unref();
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}
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fTypeface->unref();
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}
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static SkBitmap capture_bitmap(SkCanvas* canvas) {
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SkBitmap bm;
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const SkBitmap& src = canvas->getDevice()->accessBitmap(false);
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src.copyTo(&bm, src.config());
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return bm;
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}
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static bool bitmap_diff(SkCanvas* canvas, const SkBitmap& orig,
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SkBitmap* diff) {
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const SkBitmap& src = canvas->getDevice()->accessBitmap(false);
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SkAutoLockPixels alp0(src);
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SkAutoLockPixels alp1(orig);
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for (int y = 0; y < src.height(); y++) {
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const void* srcP = src.getAddr(0, y);
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const void* origP = orig.getAddr(0, y);
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size_t bytes = src.width() * src.bytesPerPixel();
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if (memcmp(srcP, origP, bytes)) {
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SkDebugf("---------- difference on line %d\n", y);
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return true;
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}
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}
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return false;
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}
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static void drawText(SkCanvas* canvas, SkString string, SkScalar left, SkScalar top, SkPaint& paint)
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{
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SkColor desiredColor = paint.getColor();
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paint.setColor(SK_ColorWHITE);
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const char* c_str = string.c_str();
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size_t size = string.size();
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SkRect bounds;
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paint.measureText(c_str, size, &bounds);
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bounds.offset(left, top);
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SkScalar inset = SkIntToScalar(-2);
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bounds.inset(inset, inset);
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canvas->drawRect(bounds, paint);
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if (desiredColor != SK_ColorBLACK) {
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paint.setColor(SK_ColorBLACK);
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canvas->drawText(c_str, size, left + SK_Scalar1, top + SK_Scalar1, paint);
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}
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paint.setColor(desiredColor);
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canvas->drawText(c_str, size, left, top, paint);
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}
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#define XCLIP_N 8
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#define YCLIP_N 8
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void SampleWindow::draw(SkCanvas* canvas) {
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// update the animation time
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gAnimTimePrev = gAnimTime;
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gAnimTime = SkTime::GetMSecs();
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SkScalar cx = SkScalarHalf(this->width());
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SkScalar cy = SkScalarHalf(this->height());
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if (fZoomLevel) {
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SkMatrix m;
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SkPoint center;
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m = canvas->getTotalMatrix();//.invert(&m);
|
|
m.mapXY(cx, cy, ¢er);
|
|
cx = center.fX;
|
|
cy = center.fY;
|
|
|
|
m.setTranslate(-cx, -cy);
|
|
m.postScale(fZoomScale, fZoomScale);
|
|
m.postTranslate(cx, cy);
|
|
|
|
canvas->concat(m);
|
|
}
|
|
|
|
if (fFlipAxis) {
|
|
SkMatrix m;
|
|
m.setTranslate(cx, cy);
|
|
if (fFlipAxis & kFlipAxis_X) {
|
|
m.preScale(-SK_Scalar1, SK_Scalar1);
|
|
}
|
|
if (fFlipAxis & kFlipAxis_Y) {
|
|
m.preScale(SK_Scalar1, -SK_Scalar1);
|
|
}
|
|
m.preTranslate(-cx, -cy);
|
|
canvas->concat(m);
|
|
}
|
|
|
|
// Apply any gesture matrix
|
|
if (true) {
|
|
const SkMatrix& localM = fGesture.localM();
|
|
if (localM.getType() & SkMatrix::kScale_Mask) {
|
|
canvas->setExternalMatrix(&localM);
|
|
}
|
|
canvas->concat(localM);
|
|
canvas->concat(fGesture.globalM());
|
|
|
|
if (fGesture.isActive()) {
|
|
this->inval(NULL);
|
|
}
|
|
}
|
|
|
|
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 && fCanvasType != kGPU_CanvasType) {
|
|
// In the GPU case, INHERITED::draw calls beforeChildren, which
|
|
// creates an SkGpuCanvas. All further draw calls are directed
|
|
// at that canvas, which is deleted in afterChildren (which is
|
|
// also called by draw), so we cannot show the zoomer here.
|
|
// Instead, we call it inside afterChildren.
|
|
showZoomer(canvas);
|
|
}
|
|
}
|
|
|
|
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);
|
|
bitmap.unlockPixels();
|
|
}
|
|
|
|
void SampleWindow::onDraw(SkCanvas* canvas) {
|
|
if (fRepeatDrawing) {
|
|
this->inval(NULL);
|
|
}
|
|
}
|
|
|
|
#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;
|
|
}
|
|
}
|
|
|
|
SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) {
|
|
if (kGPU_CanvasType != fCanvasType) {
|
|
#ifdef SK_SUPPORT_GL
|
|
detachGL();
|
|
#endif
|
|
}
|
|
|
|
switch (fCanvasType) {
|
|
case kRaster_CanvasType:
|
|
canvas = this->INHERITED::beforeChildren(canvas);
|
|
break;
|
|
case kPicture_CanvasType:
|
|
fPicture = new SkPicture;
|
|
canvas = fPicture->beginRecording(9999, 9999);
|
|
break;
|
|
case kGPU_CanvasType: {
|
|
if (make3DReady()) {
|
|
SkDevice* device = canvas->getDevice();
|
|
const SkBitmap& bitmap = device->accessBitmap(true);
|
|
|
|
GrRenderTarget* renderTarget;
|
|
renderTarget = fGrContext->createRenderTargetFrom3DApiState();
|
|
fGpuCanvas = new SkGpuCanvas(fGrContext, renderTarget);
|
|
renderTarget->unref();
|
|
|
|
device = fGpuCanvas->createDevice(SkBitmap::kARGB_8888_Config,
|
|
bitmap.width(), bitmap.height(),
|
|
false, false);
|
|
fGpuCanvas->setDevice(device)->unref();
|
|
|
|
fGpuCanvas->concat(canvas->getTotalMatrix());
|
|
canvas = fGpuCanvas;
|
|
|
|
} else {
|
|
canvas = this->INHERITED::beforeChildren(canvas);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (fUseClip) {
|
|
canvas->drawColor(0xFFFF88FF);
|
|
canvas->clipPath(fClipPath);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
void SampleWindow::afterChildren(SkCanvas* orig) {
|
|
if (fRequestGrabImage) {
|
|
fRequestGrabImage = false;
|
|
|
|
SkCanvas* canvas = fGpuCanvas ? fGpuCanvas : orig;
|
|
SkDevice* device = canvas->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);
|
|
}
|
|
}
|
|
|
|
switch (fCanvasType) {
|
|
case kRaster_CanvasType:
|
|
break;
|
|
case kPicture_CanvasType:
|
|
if (true) {
|
|
SkPicture* pict = new SkPicture(*fPicture);
|
|
fPicture->unref();
|
|
orig->drawPicture(*pict);
|
|
pict->unref();
|
|
} else if (true) {
|
|
SkDynamicMemoryWStream ostream;
|
|
fPicture->serialize(&ostream);
|
|
fPicture->unref();
|
|
|
|
SkMemoryStream istream(ostream.getStream(), ostream.getOffset());
|
|
SkPicture pict(&istream);
|
|
orig->drawPicture(pict);
|
|
} else {
|
|
fPicture->draw(orig);
|
|
fPicture->unref();
|
|
}
|
|
fPicture = NULL;
|
|
break;
|
|
#ifdef SK_SUPPORT_GL
|
|
case kGPU_CanvasType:
|
|
if (fShowZoomer) {
|
|
this->showZoomer(fGpuCanvas);
|
|
}
|
|
delete fGpuCanvas;
|
|
fGpuCanvas = NULL;
|
|
presentGL();
|
|
break;
|
|
#endif
|
|
}
|
|
|
|
// Do this after presentGL and other finishing, rather than in afterChild
|
|
if (fMeasureFPS && fMeasureFPS_Time) {
|
|
fMeasureFPS_Time = SkTime::GetMSecs() - fMeasureFPS_Time;
|
|
this->updateTitle();
|
|
postInvalDelay(this->getSinkID());
|
|
}
|
|
|
|
// 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);
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
canvas->setDrawFilter(new FlagsDrawFilter(fLCDState, fAAState,
|
|
fFilterState, fHintingState))->unref();
|
|
|
|
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);
|
|
}
|
|
(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(int delta) {
|
|
fZoomLevel += delta;
|
|
if (fZoomLevel > 0) {
|
|
fZoomLevel = SkMin32(fZoomLevel, MAX_ZOOM_LEVEL);
|
|
fZoomScale = SkIntToScalar(fZoomLevel + 1);
|
|
} else if (fZoomLevel < 0) {
|
|
fZoomLevel = SkMax32(fZoomLevel, MIN_ZOOM_LEVEL);
|
|
fZoomScale = SK_Scalar1 / (1 - fZoomLevel);
|
|
} else {
|
|
fZoomScale = SK_Scalar1;
|
|
}
|
|
|
|
this->inval(NULL);
|
|
}
|
|
|
|
bool SampleWindow::nextSample() {
|
|
fCurrIndex = (fCurrIndex + 1) % fSamples.count();
|
|
this->loadView(fSamples[fCurrIndex]());
|
|
return true;
|
|
}
|
|
|
|
bool SampleWindow::onEvent(const SkEvent& evt) {
|
|
if (evt.isType(ANIMATING_EVENTTYPE)) {
|
|
if (fAnimating) {
|
|
this->nextSample();
|
|
this->postAnimatingEvent();
|
|
}
|
|
return true;
|
|
}
|
|
if (evt.isType("set-curr-index")) {
|
|
fCurrIndex = evt.getFast32() % fSamples.count();
|
|
this->loadView(fSamples[fCurrIndex]());
|
|
return true;
|
|
}
|
|
if (isInvalEvent(evt)) {
|
|
this->inval(NULL);
|
|
return true;
|
|
}
|
|
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);
|
|
}
|
|
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 'a':
|
|
fAnimating = !fAnimating;
|
|
this->postAnimatingEvent();
|
|
this->updateTitle();
|
|
return true;
|
|
case 'b':
|
|
fAAState = cycle_tristate(fAAState);
|
|
this->updateTitle();
|
|
this->inval(NULL);
|
|
break;
|
|
case 'c':
|
|
fUseClip = !fUseClip;
|
|
this->inval(NULL);
|
|
this->updateTitle();
|
|
return true;
|
|
case 'd':
|
|
SkGraphics::SetFontCacheUsed(0);
|
|
return true;
|
|
case 'f':
|
|
fMeasureFPS = !fMeasureFPS;
|
|
this->inval(NULL);
|
|
break;
|
|
case 'g':
|
|
fRequestGrabImage = true;
|
|
this->inval(NULL);
|
|
break;
|
|
case 'h':
|
|
fHintingState = cycle_tristate(fHintingState);
|
|
this->updateTitle();
|
|
this->inval(NULL);
|
|
break;
|
|
case 'i':
|
|
this->zoomIn();
|
|
break;
|
|
case 'l':
|
|
fLCDState = cycle_tristate(fLCDState);
|
|
this->updateTitle();
|
|
this->inval(NULL);
|
|
break;
|
|
case 'n':
|
|
fFilterState = cycle_tristate(fFilterState);
|
|
this->updateTitle();
|
|
this->inval(NULL);
|
|
break;
|
|
case 'o':
|
|
this->zoomOut();
|
|
break;
|
|
case 'p':
|
|
fUsePipe = !fUsePipe;
|
|
this->updateTitle();
|
|
this->inval(NULL);
|
|
break;
|
|
case 'r':
|
|
fRotate = !fRotate;
|
|
this->inval(NULL);
|
|
this->updateTitle();
|
|
return true;
|
|
case 's':
|
|
fScale = !fScale;
|
|
this->inval(NULL);
|
|
this->updateTitle();
|
|
return true;
|
|
case 'x':
|
|
fFlipAxis ^= kFlipAxis_X;
|
|
this->updateTitle();
|
|
this->inval(NULL);
|
|
break;
|
|
case 'y':
|
|
fFlipAxis ^= kFlipAxis_Y;
|
|
this->updateTitle();
|
|
this->inval(NULL);
|
|
break;
|
|
case 'z':
|
|
this->toggleZoomer();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return this->INHERITED::onHandleChar(uni);
|
|
}
|
|
|
|
#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:
|
|
fCanvasType = cycle_canvastype(fCanvasType);
|
|
this->updateTitle();
|
|
this->inval(NULL);
|
|
return true;
|
|
case kUp_SkKey:
|
|
if (USE_ARROWS_FOR_ZOOM) {
|
|
this->changeZoomLevel(1);
|
|
} else {
|
|
fNClip = !fNClip;
|
|
this->inval(NULL);
|
|
}
|
|
this->updateTitle();
|
|
return true;
|
|
case kDown_SkKey:
|
|
if (USE_ARROWS_FOR_ZOOM) {
|
|
this->changeZoomLevel(-1);
|
|
} else {
|
|
this->setConfig(cycle_configs(this->getBitmap().config()));
|
|
}
|
|
this->updateTitle();
|
|
return true;
|
|
case kOK_SkKey:
|
|
if (false) {
|
|
SkDebugfDumper dumper;
|
|
SkDumpCanvas dc(&dumper);
|
|
this->draw(&dc);
|
|
} else {
|
|
fRepeatDrawing = !fRepeatDrawing;
|
|
if (fRepeatDrawing) {
|
|
this->inval(NULL);
|
|
}
|
|
}
|
|
return true;
|
|
case kBack_SkKey:
|
|
this->loadView(NULL);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
return this->INHERITED::onHandleKey(key);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
static const char gGestureClickType[] = "GestureClickType";
|
|
|
|
bool SampleWindow::onDispatchClick(int x, int y, Click::State state) {
|
|
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 {
|
|
return this->INHERITED::onDispatchClick(x, y, state);
|
|
}
|
|
}
|
|
|
|
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 = SkScalarToFloat(click->fCurr.fX);
|
|
float y = SkScalarToFloat(click->fCurr.fY);
|
|
switch (click->fState) {
|
|
case SkView::Click::kDown_State:
|
|
fGesture.touchBegin(click, x, y);
|
|
break;
|
|
case SkView::Click::kMoved_State:
|
|
fGesture.touchMoved(click, x, y);
|
|
this->inval(NULL);
|
|
break;
|
|
case SkView::Click::kUp_State:
|
|
fGesture.touchEnd(click);
|
|
this->inval(NULL);
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
void SampleWindow::loadView(SkView* view) {
|
|
SkView::F2BIter iter(this);
|
|
SkView* prev = iter.next();
|
|
if (prev) {
|
|
prev->detachFromParent();
|
|
}
|
|
|
|
if (NULL == view) {
|
|
view = create_overview(fSamples.count(), fSamples.begin());
|
|
}
|
|
view->setVisibleP(true);
|
|
view->setClipToBounds(false);
|
|
this->attachChildToFront(view)->unref();
|
|
view->setSize(this->width(), this->height());
|
|
|
|
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* gCanvasTypePrefix[] = {
|
|
"raster: ",
|
|
"picture: ",
|
|
"opengl: "
|
|
};
|
|
|
|
static const char* trystate_str(SkTriState state,
|
|
const char trueStr[], const char falseStr[]) {
|
|
if (kTrue_SkTriState == state) {
|
|
return trueStr;
|
|
} else if (kFalse_SkTriState == state) {
|
|
return falseStr;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void SampleWindow::updateTitle() {
|
|
SkString title;
|
|
|
|
SkView::F2BIter iter(this);
|
|
SkView* view = iter.next();
|
|
SkEvent evt(gTitleEvtName);
|
|
if (view->doQuery(&evt)) {
|
|
title.set(evt.findString(gTitleEvtName));
|
|
}
|
|
if (title.size() == 0) {
|
|
title.set("<unknown>");
|
|
}
|
|
|
|
title.prepend(gCanvasTypePrefix[fCanvasType]);
|
|
|
|
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> ");
|
|
}
|
|
|
|
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("{%d} ", 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("! ");
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
this->updateTitle(); // to refresh our config
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
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);
|
|
}
|
|
|
|
#define TEST_GPIPEx
|
|
|
|
#ifdef TEST_GPIPE
|
|
#include "SkGPipe.h"
|
|
|
|
class SimplePC : public SkGPipeController {
|
|
public:
|
|
SimplePC(SkCanvas* target);
|
|
~SimplePC();
|
|
|
|
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;
|
|
|
|
size_t fTotalWritten;
|
|
};
|
|
|
|
SimplePC::SimplePC(SkCanvas* target) : fReader(target) {
|
|
fBlock = NULL;
|
|
fBlockSize = fBytesWritten = 0;
|
|
fStatus = SkGPipeReader::kDone_Status;
|
|
fTotalWritten = 0;
|
|
fAtomsWritten = 0;
|
|
}
|
|
|
|
SimplePC::~SimplePC() {
|
|
// SkASSERT(SkGPipeReader::kDone_Status == fStatus);
|
|
sk_free(fBlock);
|
|
|
|
if (fTotalWritten) {
|
|
SkDebugf("--- %d bytes %d atoms, status %d\n", fTotalWritten,
|
|
fAtomsWritten, fStatus);
|
|
}
|
|
}
|
|
|
|
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::onDraw(SkCanvas* canvas) {
|
|
this->onDrawBackground(canvas);
|
|
|
|
#ifdef TEST_GPIPE
|
|
SimplePC controller(canvas);
|
|
SkGPipeWriter writer;
|
|
if (fUsePipe) {
|
|
uint32_t flags = SkGPipeWriter::kCrossProcess_Flag;
|
|
// flags = 0;
|
|
canvas = writer.startRecording(&controller, flags);
|
|
}
|
|
#endif
|
|
|
|
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) {
|
|
// test();
|
|
return new SampleWindow(hwnd);
|
|
}
|
|
|
|
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();
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SkEvent::Init();
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}
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|
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void application_term() {
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SkEvent::Term();
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SkGraphics::Term();
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}
|