91 {
122 };
123
125 backgroundPaint.
setColor(backgroundColor);
128 for (
size_t m = 0;
m < std::size(
gModes);
m++) {
130 paint.setColor(textColor);
133 font.setSubpixel(
true);
135 if (useGrad) {
139 }
143 }
144 }
static sk_sp< SkShader > make_shader()
SK_API const char * SkBlendMode_Name(SkBlendMode blendMode)
@ kExclusion
rc = s + d - two(s*d), ra = kSrcOver
@ kSaturation
saturation of source with hue and luminosity of destination
@ kColorBurn
darken destination to reflect source
@ kLighten
rc = s + d - min(s*da, d*sa), ra = kSrcOver
@ kHue
hue of source with saturation and luminosity of destination
@ kMultiply
r = s*(1-da) + d*(1-sa) + s*d
@ kColorDodge
brighten destination to reflect source
@ kSrcOver
r = s + (1-sa)*d
@ kXor
r = s*(1-da) + d*(1-sa)
@ kLuminosity
luminosity of source with hue and saturation of destination
@ kSoftLight
lighten or darken, depending on source
@ kDifference
rc = s + d - 2*(min(s*da, d*sa)), ra = kSrcOver
@ kOverlay
multiply or screen, depending on destination
@ kSrcATop
r = s*da + d*(1-sa)
@ kDstATop
r = d*sa + s*(1-da)
@ kDstOver
r = d + (1-da)*s
@ kColor
hue and saturation of source with luminosity of destination
@ kHardLight
multiply or screen, depending on source
@ kDarken
rc = s + d - max(s*da, d*sa), ra = kSrcOver
constexpr SkBlendMode gModes[]
void drawRect(const SkRect &rect, const SkPaint &paint)
void drawString(const char str[], SkScalar x, SkScalar y, const SkFont &font, const SkPaint &paint)
@ kSubpixelAntiAlias
glyph positioned in pixel using transparency
void setColor(SkColor color)
font
Font Metadata and Metrics.
void setXYWH(float x, float y, float width, float height)
static SkRect MakeIWH(int w, int h)
Protected Member Functions inherited from skiagm::GM
1.9.8