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Implement SkiaSurface::setDrawMode()

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This commit is contained in:
David Capello 2015-10-13 18:44:31 -03:00
parent b8f5a0236c
commit 0a1f492c24
1 changed files with 50 additions and 22 deletions
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72
src/she/skia/skia_surface.h
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@ -118,7 +118,41 @@ public:
}
void setDrawMode(DrawMode mode, int param) override {
// TODO
switch (mode) {
case DrawMode::Solid:
m_paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
m_paint.setShader(nullptr);
break;
case DrawMode::Xor:
m_paint.setXfermodeMode(SkXfermode::kXor_Mode);
m_paint.setShader(nullptr);
break;
case DrawMode::Checked: {
m_paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
{
SkBitmap bitmap;
bitmap.tryAllocPixels(SkImageInfo::MakeN32Premul(8, 8));
{
bitmap.lockPixels();
SkPMColor bg = SkPreMultiplyARGB(255, 0, 0, 0);
SkPMColor fg = SkPreMultiplyARGB(255, 255, 255, 255);
int offset = 7 - (param & 7);
for (int y=0; y<8; y++)
for (int x=0; x<8; x++)
*bitmap.getAddr32(x, y) = (((x+y+offset)&7) < 4 ? fg: bg);
bitmap.unlockPixels();
}
SkAutoTUnref<SkShader> shader(
SkShader::CreateBitmapShader(
bitmap,
SkShader::kRepeat_TileMode,
SkShader::kRepeat_TileMode, nullptr));
m_paint.setShader(shader);
}
break;
}
}
}
LockedSurface* lock() override {
@ -252,48 +286,41 @@ public:
}
void putPixel(gfx::Color color, int x, int y) override {
SkPaint paint;
paint.setColor(to_skia(color));
m_canvas->drawPoint(SkIntToScalar(x), SkIntToScalar(y), paint);
m_paint.setColor(to_skia(color));
m_canvas->drawPoint(SkIntToScalar(x), SkIntToScalar(y), m_paint);
}
void drawHLine(gfx::Color color, int x, int y, int w) override {
SkPaint paint;
paint.setColor(to_skia(color));
m_paint.setColor(to_skia(color));
m_canvas->drawLine(
SkIntToScalar(x), SkIntToScalar(y),
SkIntToScalar(x+w), SkIntToScalar(y), paint);
SkIntToScalar(x+w), SkIntToScalar(y), m_paint);
}
void drawVLine(gfx::Color color, int x, int y, int h) override {
SkPaint paint;
paint.setColor(to_skia(color));
m_paint.setColor(to_skia(color));
m_canvas->drawLine(
SkIntToScalar(x), SkIntToScalar(y),
SkIntToScalar(x), SkIntToScalar(y+h), paint);
SkIntToScalar(x), SkIntToScalar(y+h), m_paint);
}
void drawLine(gfx::Color color, const gfx::Point& a, const gfx::Point& b) override {
SkPaint paint;
paint.setColor(to_skia(color));
m_paint.setColor(to_skia(color));
m_canvas->drawLine(
SkIntToScalar(a.x), SkIntToScalar(a.y),
SkIntToScalar(b.x), SkIntToScalar(b.y), paint);
SkIntToScalar(b.x), SkIntToScalar(b.y), m_paint);
}
void drawRect(gfx::Color color, const gfx::Rect& rc) override {
SkPaint paint;
paint.setColor(to_skia(color));
paint.setStyle(SkPaint::kStroke_Style);
m_canvas->drawIRect(to_skia(gfx::Rect(rc.x, rc.y, rc.w-1, rc.h-1)), paint);
m_paint.setColor(to_skia(color));
m_paint.setStyle(SkPaint::kStroke_Style);
m_canvas->drawIRect(to_skia(gfx::Rect(rc.x, rc.y, rc.w-1, rc.h-1)), m_paint);
}
void fillRect(gfx::Color color, const gfx::Rect& rc) override {
SkPaint paint;
paint.setColor(to_skia(color));
paint.setStyle(SkPaint::kFill_Style);
paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
m_canvas->drawIRect(to_skia(rc), paint);
m_paint.setColor(to_skia(color));
m_paint.setStyle(SkPaint::kFill_Style);
m_canvas->drawIRect(to_skia(rc), m_paint);
}
void blitTo(LockedSurface* dest, int srcx, int srcy, int dstx, int dsty, int width, int height) const override {
@ -449,6 +476,7 @@ private:
SkBitmap m_bitmap;
SkSurface* m_surface;
SkCanvas* m_canvas;
SkPaint m_paint;
gfx::Rect m_clip;
};