Skia Fiddle

Options

Width Height

check_box_outline_blank check_box Text Only [Use SkDebugf()]

check_box_outline_blank check_box sRGB

check_box_outline_blank check_box F16

check_box_outline_blank check_box Animation

check_box_outline_blank check_box Offscreen Render Target

Width Height Sample Count

check_box_outline_blank check_box Texturable

check_box_outline_blank check_box MipMap

This global is now defined:

GrBackendRenderTarget backEndRenderTarget;

GrBackendTexture backEndTextureRenderTarget;

Optional source image

check_box_outline_blank check_box MipMap

These globals are now defined:

SkBitmap source;
sk_sp<SkImage> image;
GrBackendTexture backEndTexture; // GPU Only.

Note:

Adding comments with SK_FOLD_START and SK_FOLD_END creates foldable code blocks.
These blocks will be folded by default and are useful for highlighting specific lines of code.
You can also use the keyboard shortcuts Ctrl+S and Ctrl+E in the code editor to set them.

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void draw(SkCanvas* canvas) {
    const int width = 256;
    const int height = 32;
    SkImageInfo info = SkImageInfo::MakeN32Premul(width, height);
    SkColor  gradColors[] = { 0xFFAA0055, 0xFF11CC88 };
    SkPoint  gradPoints[] = { { 0, 0 }, { width, 0 } };
    SkPaint gradPaint;
    gradPaint.setShader(SkGradientShader::MakeLinear(gradPoints, gradColors, nullptr,
                    std::size(gradColors), SkTileMode::kClamp));
    SkBitmap bitmap;
    bitmap.allocPixels(SkImageInfo::MakeN32(width, height, kPremul_SkAlphaType));
    SkCanvas offScreen(bitmap);
    offScreen.drawRect(SkRect::MakeWH(width, height), gradPaint);
    canvas->drawImage(bitmap.asImage(), 0, 0);
    bitmap.allocPixels(SkImageInfo::MakeS32(width, height, kPremul_SkAlphaType));
    SkCanvas sRGBOffscreen(bitmap);
    sRGBOffscreen.drawRect(SkRect::MakeWH(width, height), gradPaint);
    canvas->drawImage(bitmap.asImage(), 0, 48);
    SkBitmap noColorSpaceBitmap;
    noColorSpaceBitmap.setInfo(SkImageInfo::MakeN32(width, height, kPremul_SkAlphaType));
    noColorSpaceBitmap.setPixels(bitmap.getAddr(0, 0));
    canvas->drawImage(noColorSpaceBitmap.asImage(), 0, 96);
}