2ee7c64015
git-svn-id: http://skia.googlecode.com/svn/trunk@409 2bbb7eff-a529-9590-31e7-b0007b416f81
147 lines
3.7 KiB
C++
147 lines
3.7 KiB
C++
#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);
|
|
|