AuroraMiddleware/skia2
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use imageref_globalpool in samplepicture, to test flattening bitmaps

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git-svn-id: http://skia.googlecode.com/svn/trunk@422 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@android.com 2009-11-10 15:54:55 +00:00
parent d03337c736
commit c6ddc110c0
2 changed files with 33 additions and 1 deletions
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29
samplecode/SamplePicture.cpp
View File

@ -21,6 +21,21 @@
#include "SkStream.h"
#include "SkXMLParser.h"
#include "SkImageRef_GlobalPool.h"
static SkBitmap load_bitmap() {
SkStream* stream = new SkFILEStream("/skimages/sesame_street_ensemble-hp.jpg");
SkAutoUnref aur(stream);
SkBitmap bm;
if (SkImageDecoder::DecodeStream(stream, &bm, SkBitmap::kNo_Config,
SkImageDecoder::kDecodeBounds_Mode)) {
SkPixelRef* pr = new SkImageRef_GlobalPool(stream, bm.config(), 1);
bm.setPixelRef(pr)->unref();
}
return bm;
}
static void drawCircle(SkCanvas* canvas, int r, SkColor color) {
SkPaint paint;
paint.setAntiAlias(true);
@ -31,13 +46,20 @@ static void drawCircle(SkCanvas* canvas, int r, SkColor color) {
}
class PictureView : public SkView {
SkBitmap fBitmap;
public:
PictureView() {
SkImageRef_GlobalPool::SetRAMBudget(16 * 1024);
fBitmap = load_bitmap();
fPicture = new SkPicture;
SkCanvas* canvas = fPicture->beginRecording(100, 100);
SkPaint paint;
paint.setAntiAlias(true);
canvas->drawBitmap(fBitmap, 0, 0, NULL);
drawCircle(canvas, 50, SK_ColorBLACK);
fSubPicture = new SkPicture;
canvas->drawPicture(*fSubPicture);
@ -75,7 +97,12 @@ protected:
void drawSomething(SkCanvas* canvas) {
SkPaint paint;
canvas->save();
canvas->scale(0.5f, 0.5f);
canvas->drawBitmap(fBitmap, 0, 0, NULL);
canvas->restore();
paint.setAntiAlias(true);
paint.setColor(SK_ColorRED);

5
src/images/SkImageRef.cpp
View File

@ -6,6 +6,8 @@
#include "SkTemplates.h"
#include "SkThread.h"
//#define DUMP_IMAGEREF_LIFECYCLE
// can't be static, as SkImageRef_Pool needs to see it
SkMutex gImageRefMutex;
@ -160,6 +162,8 @@ SkImageRef::SkImageRef(SkFlattenableReadBuffer& buffer)
: INHERITED(buffer, &gImageRefMutex), fErrorInDecoding(false) {
fConfig = (SkBitmap::Config)buffer.readU8();
fSampleSize = buffer.readU8();
fDoDither = buffer.readBool();
size_t length = buffer.readU32();
fStream = SkNEW_ARGS(SkMemoryStream, (length));
buffer.read((void*)fStream->getMemoryBase(), length);
@ -173,6 +177,7 @@ void SkImageRef::flatten(SkFlattenableWriteBuffer& buffer) const {
buffer.write8(fConfig);
buffer.write8(fSampleSize);
buffer.writeBool(fDoDither);
size_t length = fStream->getLength();
buffer.write32(length);
fStream->rewind();