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-rw-r--r--samplecode/SampleApp.cpp188
1 files changed, 56 insertions, 132 deletions
diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index aba105b3f7..c457ef68a8 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -1,3 +1,5 @@
+#include "SampleApp.h"
+
#include "SkCanvas.h"
#include "SkDevice.h"
#include "SkGpuCanvas.h"
@@ -11,9 +13,12 @@
#include "SampleCode.h"
#include "GrContext.h"
-#include "SkTouchGesture.h"
#include "SkTypeface.h"
+#ifdef ANDROID
+ #include "gl2.h"
+#endif
+
#define TEST_GPIPEx
#ifdef TEST_GPIPE
@@ -111,12 +116,6 @@ enum FlipAxisEnum {
kFlipAxis_Y = (1 << 1)
};
-enum SkTriState {
- kFalse_SkTriState,
- kTrue_SkTriState,
- kUnknown_SkTriState,
-};
-
static SkTriState cycle_tristate(SkTriState state) {
static const SkTriState gCycle[] = {
/* kFalse_SkTriState -> */ kUnknown_SkTriState,
@@ -244,121 +243,12 @@ static SkView* curr_view(SkWindow* wind) {
return iter.next();
}
-class SampleWindow : public SkOSWindow {
- SkTDArray<SkViewFactory> fSamples;
-public:
- SampleWindow(void* hwnd);
- virtual ~SampleWindow();
-
- virtual void draw(SkCanvas* canvas);
-#ifdef ANDROID
- virtual bool drawsToHardware() { return fCanvasType == kGPU_CanvasType; }
- virtual bool setGrContext(GrContext*);
- virtual GrContext* getGrContext();
-#endif
-
-protected:
- virtual void onDraw(SkCanvas* canvas);
- virtual bool onHandleKey(SkKey key);
- virtual bool onHandleChar(SkUnichar);
- virtual void onSizeChange();
-
- virtual SkCanvas* beforeChildren(SkCanvas*);
- virtual void afterChildren(SkCanvas*);
- virtual void beforeChild(SkView* child, SkCanvas* canvas);
- virtual void afterChild(SkView* child, SkCanvas* canvas);
-
- virtual bool onEvent(const SkEvent& evt);
- virtual bool onQuery(SkEvent* evt);
-
- virtual bool onDispatchClick(int x, int y, Click::State);
- virtual bool onClick(Click* click);
- virtual Click* onFindClickHandler(SkScalar x, SkScalar y);
-
-#if 0
- virtual bool handleChar(SkUnichar uni);
- virtual bool handleEvent(const SkEvent& evt);
- virtual bool handleKey(SkKey key);
- virtual bool handleKeyUp(SkKey key);
- virtual bool onHandleKeyUp(SkKey key);
-#endif
-
-private:
- int fCurrIndex;
-
- SkPicture* fPicture;
- SkGpuCanvas* fGpuCanvas;
- GrContext* fGrContext;
- SkPath fClipPath;
-
- SkTouchGesture fGesture;
- SkScalar fZoomLevel;
- SkScalar fZoomScale;
-
- enum CanvasType {
- kRaster_CanvasType,
- kPicture_CanvasType,
- kGPU_CanvasType
- };
- CanvasType fCanvasType;
-
- bool fUseClip;
- bool fNClip;
- bool fRepeatDrawing;
- bool fAnimating;
- bool fRotate;
- bool fScale;
- bool fRequestGrabImage;
- bool fUsePipe;
- bool fMeasureFPS;
- SkMSec fMeasureFPS_Time;
-
- // The following are for the 'fatbits' drawing
- // Latest position of the mouse.
- int fMouseX, fMouseY;
- int fFatBitsScale;
- // Used by the text showing position and color values.
- SkTypeface* fTypeface;
- bool fShowZoomer;
-
- SkTriState fLCDState;
- SkTriState fAAState;
- SkTriState fFilterState;
- SkTriState fHintingState;
- unsigned fFlipAxis;
-
- int fScrollTestX, fScrollTestY;
-
- bool make3DReady();
-#ifdef ANDROID
- virtual
-#endif
- void changeZoomLevel(float delta);
-
- void loadView(SkView*);
- void updateTitle();
- bool nextSample();
-
- void toggleZoomer();
- bool zoomIn();
- bool zoomOut();
- void updatePointer(int x, int y);
- void showZoomer(SkCanvas* canvas);
-
- void postAnimatingEvent() {
- if (fAnimating) {
- SkEvent* evt = new SkEvent(ANIMATING_EVENTTYPE);
- evt->post(this->getSinkID(), ANIMATING_DELAY);
- }
- }
-
-
- static CanvasType cycle_canvastype(CanvasType);
-
- typedef SkOSWindow INHERITED;
-};
+void SampleWindow::setZoomCenter(float x, float y)
+{
+ fZoomCenterX = SkFloatToScalar(x);
+ fZoomCenterY = SkFloatToScalar(y);
+}
-#ifdef ANDROID
bool SampleWindow::setGrContext(GrContext* context)
{
if (fGrContext) {
@@ -373,7 +263,6 @@ GrContext* SampleWindow::getGrContext()
{
return fGrContext;
}
-#endif
bool SampleWindow::zoomIn()
{
@@ -577,8 +466,8 @@ void SampleWindow::draw(SkCanvas* canvas) {
gAnimTimePrev = gAnimTime;
gAnimTime = SkTime::GetMSecs();
- SkScalar cx = SkScalarHalf(this->width());
- SkScalar cy = SkScalarHalf(this->height());
+ SkScalar cx = fZoomCenterX;
+ SkScalar cy = fZoomCenterY;
if (fZoomLevel) {
SkMatrix m;
@@ -970,12 +859,25 @@ void SampleWindow::changeZoomLevel(float delta) {
this->inval(NULL);
}
+bool SampleWindow::previousSample() {
+ fCurrIndex = (fCurrIndex - 1) % fSamples.count();
+ this->loadView(fSamples[fCurrIndex]());
+ return true;
+}
+
bool SampleWindow::nextSample() {
fCurrIndex = (fCurrIndex + 1) % fSamples.count();
this->loadView(fSamples[fCurrIndex]());
return true;
}
+void SampleWindow::postAnimatingEvent() {
+ if (fAnimating) {
+ SkEvent* evt = new SkEvent(ANIMATING_EVENTTYPE);
+ evt->post(this->getSinkID(), ANIMATING_DELAY);
+ }
+}
+
bool SampleWindow::onEvent(const SkEvent& evt) {
if (evt.isType(ANIMATING_EVENTTYPE)) {
if (fAnimating) {
@@ -1072,9 +974,7 @@ bool SampleWindow::onHandleChar(SkUnichar uni) {
switch (uni) {
case 'a':
- fAnimating = !fAnimating;
- this->postAnimatingEvent();
- this->updateTitle();
+ this->toggleSlideshow();
return true;
case 'b':
fAAState = cycle_tristate(fAAState);
@@ -1090,8 +990,7 @@ bool SampleWindow::onHandleChar(SkUnichar uni) {
SkGraphics::SetFontCacheUsed(0);
return true;
case 'f':
- fMeasureFPS = !fMeasureFPS;
- this->inval(NULL);
+ this->toggleFPS();
break;
case 'g':
fRequestGrabImage = true;
@@ -1153,6 +1052,24 @@ bool SampleWindow::onHandleChar(SkUnichar uni) {
return this->INHERITED::onHandleChar(uni);
}
+void SampleWindow::toggleFPS() {
+ fMeasureFPS = !fMeasureFPS;
+ this->inval(NULL);
+ this->updateTitle();
+}
+
+void SampleWindow::toggleSlideshow() {
+ fAnimating = !fAnimating;
+ this->postAnimatingEvent();
+ this->updateTitle();
+}
+
+void SampleWindow::toggleRendering() {
+ fCanvasType = cycle_canvastype(fCanvasType);
+ this->updateTitle();
+ this->inval(NULL);
+}
+
#include "SkDumpCanvas.h"
bool SampleWindow::onHandleKey(SkKey key) {
@@ -1174,9 +1091,7 @@ bool SampleWindow::onHandleKey(SkKey key) {
}
break;
case kLeft_SkKey:
- fCanvasType = cycle_canvastype(fCanvasType);
- this->updateTitle();
- this->inval(NULL);
+ toggleRendering();
return true;
case kUp_SkKey:
if (USE_ARROWS_FOR_ZOOM) {
@@ -1405,6 +1320,15 @@ void SampleWindow::onSizeChange() {
#endif
}
+ fZoomCenterX = SkScalarHalf(this->width());
+ fZoomCenterY = SkScalarHalf(this->height());
+
+ if (fGrContext) {
+ glViewport(0, 0, SkScalarRound(this->width()),
+ SkScalarRound(this->height()));
+ fGrContext->resetContext();
+ }
+
this->updateTitle(); // to refresh our config
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-23 11:39:51 +0000