Exemplo n.º 1
0
    virtual void onDraw(SkCanvas* canvas)
    {
        if (true) {
            SkRect r = { 0, 0, 1 << 30, 1 << 30 };
            bool open = canvas->clipRect(r);
            SkDebugf("---- giant clip is %d\n", open);
        }
        this->drawBG(canvas);
        
        if (false) {
            SkPaint paint;
            paint.setAntiAlias(true);
            SkBitmap bm;
            bm.setConfig(SkBitmap::kA8_Config, 100, 100);
            bm.allocPixels();
            bm.eraseColor(0);
            SkCanvas c(bm);
            c.drawCircle(50, 50, 50, paint);

            paint.setColor(SK_ColorBLUE);
            canvas->drawBitmap(bm, 0, 0, &paint);
            canvas->scale(SK_Scalar1/2, SK_Scalar1/2);
            paint.setColor(SK_ColorRED);
            canvas->drawBitmap(bm, 0, 0, &paint);
            return;
        }
        
#ifdef SK_DEBUG
        if (true) {
            SkRegion a, b, c;
            test_union_bug_1505668(&a, &b, &c);
            
            if (false) {    // draw the result of the test
                SkPaint paint;
                
                canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
                paint.setColor(SK_ColorRED);
                paint_rgn(canvas, a, paint);
                paint.setColor(0x800000FF);
                paint_rgn(canvas, b, paint);
                paint.setColor(SK_ColorBLACK);
                paint.setStyle(SkPaint::kStroke_Style);
             //   paint_rgn(canvas, c, paint);
                return;
            }
        }
#endif

        static const struct {
            SkColor         fColor;
            const char*     fName;
            SkRegion::Op    fOp;
        } gOps[] = {
            { SK_ColorBLACK,    "Difference",   SkRegion::kDifference_Op    },
            { SK_ColorRED,      "Intersect",    SkRegion::kIntersect_Op     },
            { 0xFF008800,       "Union",        SkRegion::kUnion_Op         },
            { SK_ColorBLUE,     "XOR",          SkRegion::kXOR_Op           }
        };

        SkPaint textPaint;
        textPaint.setAntiAlias(true);
        textPaint.setTextSize(SK_Scalar1*24);

        this->drawOrig(canvas, false);
        canvas->save();
            canvas->translate(SkIntToScalar(200), 0);
            this->drawRgnOped(canvas, SkRegion::kUnion_Op, SK_ColorBLACK);
        canvas->restore();
        
        canvas->translate(0, SkIntToScalar(200));

        for (int op = 0; op < SK_ARRAY_COUNT(gOps); op++)
        {
            canvas->drawText(gOps[op].fName, strlen(gOps[op].fName), SkIntToScalar(75), SkIntToScalar(50), textPaint);

            this->drawRgnOped(canvas, gOps[op].fOp, gOps[op].fColor);

            if (true)
            {
                canvas->save();
                canvas->translate(0, SkIntToScalar(200));
                this->drawPathOped(canvas, gOps[op].fOp, gOps[op].fColor);
                canvas->restore();
            }
            
            canvas->translate(SkIntToScalar(200), 0);
        }
    }
Exemplo n.º 2
0
    virtual void onDrawContent(SkCanvas* canvas) {
        if (false) { // avoid bit rot, suppress warning
            test_strokerect(canvas);
            return;
        }
        if (false) { // avoid bit rot, suppress warning
            test_text(canvas);
            return;
        }
#ifdef SK_DEBUG
        if (true) {
            SkRegion a, b, c;
            test_union_bug_1505668(&a, &b, &c);

            if (false) {    // draw the result of the test
                SkPaint paint;

                canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
                paint.setColor(SK_ColorRED);
                paint_rgn(canvas, a, paint);
                paint.setColor(0x800000FF);
                paint_rgn(canvas, b, paint);
                paint.setColor(SK_ColorBLACK);
                paint.setStyle(SkPaint::kStroke_Style);
             //   paint_rgn(canvas, c, paint);
                return;
            }
        }
#endif
        const SkPoint origins[] = {
            { 30*SK_Scalar1, 50*SK_Scalar1 },
            { 150*SK_Scalar1, 50*SK_Scalar1 },
        };
        this->drawPredicates(canvas, origins);

        static const struct {
            SkColor         fColor;
            const char*     fName;
            SkRegion::Op    fOp;
        } gOps[] = {
            { SK_ColorBLACK,    "Difference",   SkRegion::kDifference_Op    },
            { SK_ColorRED,      "Intersect",    SkRegion::kIntersect_Op     },
            { 0xFF008800,       "Union",        SkRegion::kUnion_Op         },
            { SK_ColorBLUE,     "XOR",          SkRegion::kXOR_Op           }
        };

        SkPaint textPaint;
        textPaint.setAntiAlias(true);
        textPaint.setTextSize(SK_Scalar1*24);

        this->drawOrig(canvas, false);
        canvas->save();
            canvas->translate(SkIntToScalar(200), 0);
            this->drawRgnOped(canvas, SkRegion::kUnion_Op, SK_ColorBLACK);
        canvas->restore();

        canvas->translate(0, SkIntToScalar(200));

        for (size_t op = 0; op < SK_ARRAY_COUNT(gOps); op++) {
            canvas->drawText(gOps[op].fName, strlen(gOps[op].fName), SkIntToScalar(75), SkIntToScalar(50), textPaint);

            this->drawRgnOped(canvas, gOps[op].fOp, gOps[op].fColor);

            canvas->save();
            canvas->translate(0, SkIntToScalar(200));
            this->drawPathOped(canvas, gOps[op].fOp, gOps[op].fColor);
            canvas->restore();

            canvas->translate(SkIntToScalar(200), 0);
        }
    }