| #include "SampleCode.h" |
| #include "SkView.h" |
| #include "SkCanvas.h" |
| #include "SkGradientShader.h" |
| #include "SkGraphics.h" |
| #include "SkImageDecoder.h" |
| #include "SkPath.h" |
| #include "SkRegion.h" |
| #include "SkShader.h" |
| #include "SkUtils.h" |
| #include "SkXfermode.h" |
| #include "SkColorPriv.h" |
| #include "SkColorFilter.h" |
| #include "SkTime.h" |
| #include "SkTypeface.h" |
| |
| #include "SkImageRef_GlobalPool.h" |
| #include "SkStream.h" |
| |
| static const char* gNames[] = { |
| "1.bmp", "1.gif", "1.jpg", "1.png", |
| "2.bmp", "2.gif", "2.jpg", "2.png" |
| }; |
| |
| static bool SetImageRef(SkBitmap* bitmap, SkStream* stream, |
| SkBitmap::Config pref, const char name[] = NULL) |
| { |
| if (SkImageDecoder::DecodeStream(stream, bitmap, pref, |
| SkImageDecoder::kDecodeBounds_Mode, NULL)) { |
| SkASSERT(bitmap->config() != SkBitmap::kNo_Config); |
| |
| SkImageRef* ref = new SkImageRef_GlobalPool(stream, bitmap->config()); |
| ref->setURI(name); |
| bitmap->setPixelRef(ref)->unref(); |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| class ImageView : public SkView { |
| public: |
| SkBitmap* fBitmaps; |
| SkShader* fShader; |
| |
| ImageView() { |
| SkImageRef_GlobalPool::SetRAMBudget(32 * 1024); |
| |
| int i, N = SK_ARRAY_COUNT(gNames); |
| fBitmaps = new SkBitmap[N]; |
| |
| for (i = 0; i < N; i++) { |
| SkString str("/skimages/"); |
| str.append(gNames[i]); |
| SkFILEStream* stream = new SkFILEStream(str.c_str()); |
| |
| SetImageRef(&fBitmaps[i], stream, SkBitmap::kNo_Config, gNames[i]); |
| if (i & 1) |
| fBitmaps[i].buildMipMap(); |
| stream->unref(); |
| } |
| |
| fShader = SkShader::CreateBitmapShader(fBitmaps[5], |
| SkShader::kRepeat_TileMode, |
| SkShader::kRepeat_TileMode); |
| |
| if (true) { |
| SkMatrix m; |
| |
| m.setRotate(SkIntToScalar(30)); |
| fShader->setLocalMatrix(m); |
| } |
| |
| #if 0 |
| SkImageRef::DumpPool(); |
| for (i = 0; i < N; i++) { |
| SkBitmap& bm = fBitmaps[i]; |
| |
| SkDebugf("<%s> addr=%p", gNames[i], bm.getPixels()); |
| bool success = bm.lockPixels(); |
| SkDebugf(" addr=%d", bm.getPixels()); |
| if (success) |
| bm.unlockPixels(); |
| SkDebugf(" addr=%p", bm.getPixels()); |
| success = bm.lockPixels(); |
| SkDebugf(" addr=%d", bm.getPixels()); |
| if (success) |
| bm.unlockPixels(); |
| SkDebugf("\n"); |
| } |
| SkImageRef::DumpPool(); |
| #endif |
| } |
| |
| virtual ~ImageView() { |
| delete[] fBitmaps; |
| delete fShader; |
| |
| SkImageRef_GlobalPool::DumpPool(); |
| } |
| |
| protected: |
| // overrides from SkEventSink |
| virtual bool onQuery(SkEvent* evt) { |
| if (SampleCode::TitleQ(*evt)) { |
| SampleCode::TitleR(evt, "Image"); |
| return true; |
| } |
| return this->INHERITED::onQuery(evt); |
| } |
| |
| void drawBG(SkCanvas* canvas) { |
| canvas->drawColor(0xFFDDDDDD); |
| // canvas->drawColor(SK_ColorWHITE); |
| } |
| |
| virtual void onDraw(SkCanvas* canvas) { |
| this->drawBG(canvas); |
| |
| canvas->translate(SkIntToScalar(10), SkIntToScalar(10)); |
| |
| SkScalar x = 0, y = 0; |
| |
| for (size_t i = 0; i < SK_ARRAY_COUNT(gNames); i++) { |
| canvas->drawBitmap(fBitmaps[i], x, y); |
| x += SkIntToScalar(fBitmaps[i].width() + 10); |
| } |
| |
| canvas->translate(0, SkIntToScalar(120)); |
| |
| SkPaint paint; |
| paint.setShader(fShader); |
| paint.setFilterBitmap(true); |
| SkRect r = { 0, 0, SkIntToScalar(300), SkIntToScalar(100) }; |
| |
| canvas->drawRect(r, paint); |
| } |
| |
| virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) { |
| this->inval(NULL); |
| return this->INHERITED::onFindClickHandler(x, y); |
| } |
| |
| virtual bool onClick(Click* click) { |
| return this->INHERITED::onClick(click); |
| } |
| |
| private: |
| typedef SkView INHERITED; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| static SkView* MyFactory() { return new ImageView; } |
| static SkViewRegister reg(MyFactory); |
| |