skia2/samplecode/SamplePathClip.cpp
reed@android.com 048522dd2a remove remaining references to porterduff
git-svn-id: http://skia.googlecode.com/svn/trunk@236 2bbb7eff-a529-9590-31e7-b0007b416f81
2009-06-23 12:19:41 +00:00

138 lines
3.6 KiB
C++

#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"
#if 0
static void CFString2SkString(CFStringRef ref, SkString* str) {
str->reset();
int count = CFStringGetLength(ref);
for (int i = 0; i < count; i++) {
SkString tmp;
UniChar c = CFStringGetCharacterAtIndex(ref, i);
tmp.setUTF16(&c, 1);
str->append(tmp);
}
}
static size_t get_table_size(ATSFontRef font, uint32_t tableTag) {
ByteCount size;
OSStatus status = ATSFontGetTable(font, tableTag, 0, 0, NULL, &size);
if (status) {
SkDebugf("*** ATSFontGetTable returned %d\n", status);
size = -1;
}
return size;
}
static void test_ats() {
OSStatus status;
ATSFontIterator iter;
status = ATSFontIteratorCreate(kATSFontContextLocal, NULL, NULL,
kATSOptionFlagsUnRestrictedScope, &iter);
for (int index = 0;; index++) {
ATSFontRef fontRef;
status = ATSFontIteratorNext(iter, &fontRef);
if (status) {
break;
}
CFStringRef name;
SkString str;
ATSFontGetName(fontRef, kATSOptionFlagsDefault, &name);
CFString2SkString(name, &str);
if (str.size() > 0 && str.c_str()[0] != '.') {
SkDebugf("[%3d] font %x cmap %d 'name' %d <%s>\n", index, fontRef,
get_table_size(fontRef, 'cmap'),
get_table_size(fontRef, 'name'),
str.c_str());
}
CFRelease(name);
}
ATSFontIteratorRelease(&iter);
}
#endif
class PathClipView : public SkView {
public:
SkRect fOval;
SkPoint fCenter;
PathClipView() {
fOval.set(0, 0, SkIntToScalar(200), SkIntToScalar(50));
fCenter.set(SkIntToScalar(250), SkIntToScalar(250));
// test_ats();
}
virtual ~PathClipView() {}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) {
if (SampleCode::TitleQ(*evt)) {
SampleCode::TitleR(evt, "PathClip");
return true;
}
return this->INHERITED::onQuery(evt);
}
void drawBG(SkCanvas* canvas) {
canvas->drawColor(SK_ColorWHITE);
}
virtual void onDraw(SkCanvas* canvas) {
this->drawBG(canvas);
SkRect oval = fOval;
oval.offset(fCenter.fX - oval.centerX(), fCenter.fY - oval.centerY());
SkPaint p;
p.setAntiAlias(true);
p.setStyle(SkPaint::kStroke_Style);
canvas->drawOval(oval, p);
SkRect r;
r.set(SkIntToScalar(200), SkIntToScalar(200),
SkIntToScalar(300), SkIntToScalar(300));
canvas->clipRect(r);
p.setStyle(SkPaint::kFill_Style);
p.setColor(SK_ColorRED);
canvas->drawRect(r, p);
p.setColor(0x800000FF);
r.set(SkIntToScalar(150), SkIntToScalar(10),
SkIntToScalar(250), SkIntToScalar(400));
canvas->drawOval(oval, p);
}
virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) {
fCenter.set(x, y);
this->inval(NULL);
return NULL;
}
private:
typedef SkView INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() { return new PathClipView; }
static SkViewRegister reg(MyFactory);