91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
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#include "SampleCode.h"
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#include "SkView.h"
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#include "SkCanvas.h"
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#include "SkShader.h"
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#include "SkKey.h"
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static void make_bitmap(SkBitmap* bm) {
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const int W = 100;
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const int H = 100;
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bm->setConfig(SkBitmap::kARGB_8888_Config, W, H);
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bm->allocPixels();
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SkPaint paint;
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SkCanvas canvas(*bm);
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canvas.drawColor(SK_ColorWHITE);
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const SkColor colors[] = {
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SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE
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};
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for (int ix = 0; ix < W; ix += 1) {
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SkScalar x = SkIntToScalar(ix) + SK_ScalarHalf;
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paint.setColor(colors[ix & 3]);
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canvas.drawLine(x, 0, x, SkIntToScalar(H - 1), paint);
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}
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paint.setColor(SK_ColorGRAY);
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canvas.drawLine(0, 0, SkIntToScalar(W), 0, paint);
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}
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static void make_paint(SkPaint* paint, SkShader::TileMode tm) {
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SkBitmap bm;
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make_bitmap(&bm);
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SkShader* shader = SkShader::CreateBitmapShader(bm, tm, tm);
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paint->setShader(shader)->unref();
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}
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class RepeatTileView : public SkView {
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public:
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RepeatTileView() {}
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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, "RepeatTile");
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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_ColorGRAY);
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}
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virtual void onDraw(SkCanvas* canvas) {
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this->drawBG(canvas);
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SkPaint paint;
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make_paint(&paint, SkShader::kRepeat_TileMode);
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// canvas->scale(SK_Scalar1*2, SK_Scalar1);
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canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
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canvas->drawPaint(paint);
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}
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virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) {
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this->inval(NULL);
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return this->INHERITED::onFindClickHandler(x, y);
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}
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virtual bool onClick(Click* click) {
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return this->INHERITED::onClick(click);
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}
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virtual bool handleKey(SkKey key) {
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this->inval(NULL);
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return true;
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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 RepeatTileView; }
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static SkViewRegister reg(MyFactory);
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