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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 "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);
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