void onDraw(SkCanvas* canvas) override { SkPaint paint; paint.setImageFilter(SkBlurImageFilter::Create(fSigmaX, fSigmaY))->unref(); canvas->saveLayer(nullptr, &paint); const char* str = "The quick brown fox jumped over the lazy dog."; SkRandom rand; SkPaint textPaint; textPaint.setAntiAlias(true); sk_tool_utils::set_portable_typeface(&textPaint); for (int i = 0; i < 25; ++i) { int x = rand.nextULessThan(WIDTH); int y = rand.nextULessThan(HEIGHT); textPaint.setColor(sk_tool_utils::color_to_565(rand.nextBits(24) | 0xFF000000)); textPaint.setTextSize(rand.nextRangeScalar(0, 300)); canvas->drawText(str, strlen(str), SkIntToScalar(x), SkIntToScalar(y), textPaint); } canvas->restore(); }
DEF_SIMPLE_GM_BG(imagemagnifier, canvas, WIDTH, HEIGHT, SK_ColorBLACK) { SkPaint filterPaint; filterPaint.setImageFilter( SkMagnifierImageFilter::Make( SkRect::MakeXYWH(SkIntToScalar(100), SkIntToScalar(100), SkIntToScalar(WIDTH / 2), SkIntToScalar(HEIGHT / 2)), 100, nullptr)); canvas->saveLayer(nullptr, &filterPaint); const char* str = "The quick brown fox jumped over the lazy dog."; SkRandom rand; for (int i = 0; i < 25; ++i) { int x = rand.nextULessThan(WIDTH); int y = rand.nextULessThan(HEIGHT); SkPaint paint; sk_tool_utils::set_portable_typeface(&paint); paint.setColor(sk_tool_utils::color_to_565(rand.nextBits(24) | 0xFF000000)); paint.setTextSize(rand.nextRangeScalar(0, 300)); paint.setAntiAlias(true); canvas->drawText(str, strlen(str), SkIntToScalar(x), SkIntToScalar(y), paint); } canvas->restore(); }
void onDraw(SkCanvas* canvas) override { SkPaint filterPaint; filterPaint.setImageFilter( SkMagnifierImageFilter::Create( SkRect::MakeXYWH(SkIntToScalar(100), SkIntToScalar(100), SkIntToScalar(WIDTH / 2), SkIntToScalar(HEIGHT / 2)), 100))->unref(); canvas->saveLayer(NULL, &filterPaint); const char* str = "The quick brown fox jumped over the lazy dog."; SkRandom rand; for (int i = 0; i < 25; ++i) { int x = rand.nextULessThan(WIDTH); int y = rand.nextULessThan(HEIGHT); SkPaint paint; sk_tool_utils::set_portable_typeface(&paint); paint.setColor(sk_tool_utils::color_to_565(rand.nextBits(24) | 0xFF000000)); paint.setTextSize(rand.nextRangeScalar(0, 300)); paint.setAntiAlias(true); canvas->drawText(str, strlen(str), SkIntToScalar(x), SkIntToScalar(y), paint); } canvas->restore(); }