本文整理汇总了C++中FImage::AsRGBA32F方法的典型用法代码示例。如果您正苦于以下问题：C++ FImage::AsRGBA32F方法的具体用法？C++ FImage::AsRGBA32F怎么用？C++ FImage::AsRGBA32F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FImage的用法示例。
在下文中一共展示了FImage::AsRGBA32F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: CopyImage
/**
* Copies an image accounting for format differences. Sizes must match.
*
* @param SrcImage - The source image to copy from.
* @param DestImage - The destination image to copy to.
*/
static void CopyImage(const FImage& SrcImage, FImage& DestImage)
{
check(SrcImage.SizeX == DestImage.SizeX);
check(SrcImage.SizeY == DestImage.SizeY);
check(SrcImage.NumSlices == DestImage.NumSlices);
const int32 NumTexels = SrcImage.SizeX * SrcImage.SizeY * SrcImage.NumSlices;
if (SrcImage.Format == DestImage.Format &&
SrcImage.GammaSpace == DestImage.GammaSpace)
{
DestImage.RawData = SrcImage.RawData;
}
else if (SrcImage.Format == ERawImageFormat::RGBA32F)
{
// Convert from 32-bit linear floating point.
const FLinearColor* SrcColors = SrcImage.AsRGBA32F();
switch (DestImage.Format)
{
case ERawImageFormat::G8:
{
uint8* DestLum = DestImage.AsG8();
for (int32 TexelIndex = 0; TexelIndex < NumTexels; ++TexelIndex)
{
DestLum[TexelIndex] = SrcColors[TexelIndex].ToFColor(DestImage.IsGammaCorrected()).R;
}
}
break;
case ERawImageFormat::BGRA8:
{
FColor* DestColors = DestImage.AsBGRA8();
for (int32 TexelIndex = 0; TexelIndex < NumTexels; ++TexelIndex)
{
DestColors[TexelIndex] = SrcColors[TexelIndex].ToFColor(DestImage.IsGammaCorrected());
}
}
break;
case ERawImageFormat::BGRE8:
{
FColor* DestColors = DestImage.AsBGRE8();
for (int32 TexelIndex = 0; TexelIndex < NumTexels; ++TexelIndex)
{
DestColors[TexelIndex] = SrcColors[TexelIndex].ToRGBE();
}
}
break;
case ERawImageFormat::RGBA16:
{
uint16* DestColors = DestImage.AsRGBA16();
for (int32 TexelIndex = 0; TexelIndex < NumTexels; ++TexelIndex)
{
int32 DestIndex = TexelIndex * 4;
DestColors[DestIndex + 0] = FMath::Clamp(FMath::FloorToInt(SrcColors[TexelIndex].R * 65535.999f), 0, 65535);
DestColors[DestIndex + 1] = FMath::Clamp(FMath::FloorToInt(SrcColors[TexelIndex].G * 65535.999f), 0, 65535);
DestColors[DestIndex + 2] = FMath::Clamp(FMath::FloorToInt(SrcColors[TexelIndex].B * 65535.999f), 0, 65535);
DestColors[DestIndex + 3] = FMath::Clamp(FMath::FloorToInt(SrcColors[TexelIndex].A * 65535.999f), 0, 65535);
}
}
break;
case ERawImageFormat::RGBA16F:
{
FFloat16Color* DestColors = DestImage.AsRGBA16F();
for (int32 TexelIndex = 0; TexelIndex < NumTexels; ++TexelIndex)
{
DestColors[TexelIndex] = FFloat16Color(SrcColors[TexelIndex]);
}
}
break;
}
}
else if (DestImage.Format == ERawImageFormat::RGBA32F)
{
// Convert to 32-bit linear floating point.
FLinearColor* DestColors = DestImage.AsRGBA32F();
switch (SrcImage.Format)
{
case ERawImageFormat::G8:
{
const uint8* SrcLum = SrcImage.AsG8();
for (int32 TexelIndex = 0; TexelIndex < NumTexels; ++TexelIndex)
{
FColor SrcColor(SrcLum[TexelIndex],SrcLum[TexelIndex],SrcLum[TexelIndex],255);
switch ( SrcImage.GammaSpace )
{
case EGammaSpace::Linear:
DestColors[TexelIndex] = SrcColor.ReinterpretAsLinear();
break;
case EGammaSpace::sRGB:
//.........这里部分代码省略.........