void drawBG(SkCanvas* canvas)
{
canvas->drawColor(0xFFDDDDDD);
return;
#if 0
SkColorTable ct;
SkPMColor colors[] = { SK_ColorRED, SK_ColorBLUE };
ct.setColors(colors, 2);
ct.setFlags(ct.getFlags() | SkColorTable::kColorsAreOpaque_Flag);
SkBitmap bm;
bm.setConfig(SkBitmap::kIndex8_Config, 20, 20, 21);
bm.setColorTable(&ct);
bm.allocPixels();
sk_memset16((uint16_t*)bm.getAddr8(0, 0), 0x0001, bm.rowBytes() * bm.height() / 2);
#endif
#if 0
SkBitmap bm;
bm.setConfig(SkBitmap::kRGB_565_Config, 20, 20, 42);
bm.allocPixels();
sk_memset32((uint32_t*)bm.getAddr16(0, 0), 0x0000FFFF, bm.rowBytes() * bm.height() / 4);
#endif
#if 1
SkBitmap bm;
bm.setConfig(SkBitmap::kARGB_8888_Config, 20, 20);
bm.allocPixels();
sk_memset32((uint32_t*)bm.getAddr32(0, 0), 0xFFDDDDDD, bm.rowBytes() * bm.height() / 4);
#endif
SkPaint paint;
// SkShader* shader = SkShader::CreateBitmapShader(bm, false, SkPaint::kBilinear_FilterType, SkShader::kRepeat_TileMode);
SkPoint pts[] = { 0, 0, SkIntToScalar(100), SkIntToScalar(0) };
SkColor colors[] = { SK_ColorBLACK, SK_ColorWHITE };
SkShader* shader = SkGradientShader::CreateLinear(pts, colors, NULL, 2, SkShader::kMirror_TileMode);
paint.setShader(shader)->unref();
canvas->drawPaint(paint);
}
