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