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#include "SampleCode.h"
#include "SkView.h"
#include "SkCanvas.h"
#include "SkAnimator.h"
#include "SkStream.h"
#include "SkColorPriv.h"
static inline void Filter_32_opaque_portable(unsigned x, unsigned y,
SkPMColor a00, SkPMColor a01,
SkPMColor a10, SkPMColor a11,
SkPMColor* dstColor) {
SkASSERT((unsigned)x <= 0xF);
SkASSERT((unsigned)y <= 0xF);
int xy = x * y;
uint32_t mask = gMask_00FF00FF; //0xFF00FF;
int scale = 256 - 16*y - 16*x + xy;
uint32_t lo = (a00 & mask) * scale;
uint32_t hi = ((a00 >> 8) & mask) * scale;
scale = 16*x - xy;
lo += (a01 & mask) * scale;
hi += ((a01 >> 8) & mask) * scale;
scale = 16*y - xy;
lo += (a10 & mask) * scale;
hi += ((a10 >> 8) & mask) * scale;
lo += (a11 & mask) * xy;
hi += ((a11 >> 8) & mask) * xy;
*dstColor = ((lo >> 8) & mask) | (hi & ~mask);
}
static void test_filter() {
for (int r = 0; r <= 0xFF; r++) {
SkPMColor c = SkPackARGB32(0xFF, r, r, r);
for (int y = 0; y <= 0xF; y++) {
for (int x = 0; x <= 0xF; x++) {
SkPMColor dst;
Filter_32_opaque_portable(x, y, c, c, c, c, &dst);
SkASSERT(SkGetPackedA32(dst) == 255);
}
}
}
}
///////////////////////////////////////////////////////////////////////////////
class SkAnimatorView : public SkView {
public:
SkAnimatorView();
virtual ~SkAnimatorView();
void setURIBase(const char dir[]);
SkAnimator* getAnimator() const { return fAnimator; }
bool decodeFile(const char path[]);
bool decodeMemory(const void* buffer, size_t size);
bool decodeStream(SkStream* stream);
protected:
// overrides
virtual void onDraw(SkCanvas*);
private:
SkString fBaseURI;
SkAnimator* fAnimator;
typedef SkView INHERITED;
};
SkAnimatorView::SkAnimatorView() : fAnimator(NULL) {
test_filter();
}
SkAnimatorView::~SkAnimatorView() {
delete fAnimator;
}
void SkAnimatorView::setURIBase(const char dir[]) {
fBaseURI.set(dir);
}
bool SkAnimatorView::decodeFile(const char path[]) {
SkFILEStream* is = new SkFILEStream(path);
SkAutoUnref aur(is);
return is->isValid() && this->decodeStream(is);
}
bool SkAnimatorView::decodeMemory(const void* buffer, size_t size) {
SkMemoryStream* is = new SkMemoryStream(buffer, size);
SkAutoUnref aur(is);
return this->decodeStream(is);
}
bool SkAnimatorView::decodeStream(SkStream* stream) {
delete fAnimator;
fAnimator = new SkAnimator;
fAnimator->setURIBase(fBaseURI.c_str());
if (!fAnimator->decodeStream(stream)) {
delete fAnimator;
fAnimator = NULL;
return false;
}
return true;
}
#include "SkTime.h"
void SkAnimatorView::onDraw(SkCanvas* canvas) {
if (fAnimator) {
canvas->drawColor(SK_ColorWHITE);
fAnimator->draw(canvas, 0);
canvas->save();
canvas->translate(120, 30);
canvas->scale(0.5, 0.5);
fAnimator->draw(canvas, 0);
canvas->restore();
canvas->save();
canvas->translate(190, 40);
canvas->scale(0.25, 0.25);
fAnimator->draw(canvas, 0);
canvas->restore();
this->inval(NULL);
}
}
//////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() {
SkAnimatorView* av = new SkAnimatorView;
// av->decodeFile("/skimages/test.xml");
av->setURIBase("/skia/trunk/animations/");
av->decodeFile("/skia/trunk/animations/checkbox.xml");
return av;
}
static SkViewRegister reg(MyFactory);
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