C++ (Cpp) DoGrayscale示例

示例#1

文件： ScaledFontDWrite.cpp 项目： cstipkovic/gecko-dev

AntialiasMode
ScaledFontDWrite::GetDefaultAAMode()
{
  AntialiasMode defaultMode = GetSystemDefaultAAMode();

  if (defaultMode == AntialiasMode::GRAY) {
    if (!DoGrayscale(mFontFace, mSize)) {
      defaultMode = AntialiasMode::NONE;
    }
  }
  return defaultMode;
}

示例#2

文件： ScaledFontDWrite.cpp 项目： ConradIrwin/gecko-dev

AntialiasMode
ScaledFontDWrite::GetDefaultAAMode()
{
  AntialiasMode defaultMode = AntialiasMode::SUBPIXEL;

  switch (GetSystemTextQuality()) {
  case CLEARTYPE_QUALITY:
    defaultMode = AntialiasMode::SUBPIXEL;
    break;
  case ANTIALIASED_QUALITY:
    defaultMode = AntialiasMode::GRAY;
    break;
  case DEFAULT_QUALITY:
    defaultMode = AntialiasMode::NONE;
    break;
  }

  if (defaultMode == AntialiasMode::GRAY) {
    if (!DoGrayscale(mFontFace, mSize)) {
      defaultMode = AntialiasMode::NONE;
    }
  }
  return defaultMode;
}