Iso - chromanone series ar - 20000 异二氢色原酮类ar - 20000
2.
Structure that represents the dither origin for 8 - bits - per - pixel and 16 - bits - per - pixel dithering and is also used to set the origin for hatch brushes 结构，它表示8位/像素和16位/像素抖色处理的抖色原点，还用于设置阴影画笔的原点。
