本文整理汇总了C++中SkAutoTDelete::CreateAlphaToLuminosityState方法的典型用法代码示例。如果您正苦于以下问题:C++ SkAutoTDelete::CreateAlphaToLuminosityState方法的具体用法?C++ SkAutoTDelete::CreateAlphaToLuminosityState怎么用?C++ SkAutoTDelete::CreateAlphaToLuminosityState使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SkAutoTDelete
的用法示例。
在下文中一共展示了SkAutoTDelete::CreateAlphaToLuminosityState方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: CreateSMaskGraphicState
/**
* Creates a ExtGState with the SMask set to the luminosityShader in
* luminosity mode. The shader pattern extends to the bbox.
*/
SkPDFGraphicState* SkPDFAlphaFunctionShader::CreateSMaskGraphicState() {
SkRect bbox;
bbox.set(fState.get()->fBBox);
SkAutoTUnref<SkPDFObject> luminosityShader(
SkPDFShader::GetPDFShaderByState(
fState->CreateAlphaToLuminosityState()));
SkAutoTUnref<SkStream> alphaStream(create_pattern_fill_content(-1, bbox));
SkAutoTUnref<SkPDFResourceDict>
resources(get_gradient_resource_dict(luminosityShader, NULL));
SkAutoTUnref<SkPDFFormXObject> alphaMask(
new SkPDFFormXObject(alphaStream.get(), bbox, resources.get()));
return SkPDFGraphicState::GetSMaskGraphicState(
alphaMask.get(), false,
SkPDFGraphicState::kLuminosity_SMaskMode);
}