本文整理汇总了C++中outputoptions::Private::hasValidOutputHandler方法的典型用法代码示例。如果您正苦于以下问题：C++ Private::hasValidOutputHandler方法的具体用法？C++ Private::hasValidOutputHandler怎么用？C++ Private::hasValidOutputHandler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outputoptions::Private的用法示例。
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示例1: nvStaticCheck
bool Compressor::Private::compress(const InputOptions::Private & inputOptions, const CompressionOptions::Private & compressionOptions, const OutputOptions::Private & outputOptions) const
{
// Make sure enums match.
nvStaticCheck(FloatImage::WrapMode_Clamp == (FloatImage::WrapMode)WrapMode_Clamp);
nvStaticCheck(FloatImage::WrapMode_Mirror == (FloatImage::WrapMode)WrapMode_Mirror);
nvStaticCheck(FloatImage::WrapMode_Repeat == (FloatImage::WrapMode)WrapMode_Repeat);
// Get output handler.
if (!outputOptions.hasValidOutputHandler()) {
outputOptions.error(Error_FileOpen);
return false;
}
nvtt::Surface img;
img.setWrapMode(inputOptions.wrapMode);
img.setAlphaMode(inputOptions.alphaMode);
img.setNormalMap(inputOptions.isNormalMap);
const int faceCount = inputOptions.faceCount;
int width = inputOptions.width;
int height = inputOptions.height;
int depth = inputOptions.depth;
nv::getTargetExtent(&width, &height, &depth, inputOptions.maxExtent, inputOptions.roundMode, inputOptions.textureType);
// If the extents have not changed, then we can use source images for all mipmaps.
bool canUseSourceImages = (inputOptions.width == width && inputOptions.height == height && inputOptions.depth == depth);
int mipmapCount = 1;
if (inputOptions.generateMipmaps) {
mipmapCount = countMipmaps(width, height, depth);
if (inputOptions.maxLevel > 0) mipmapCount = min(mipmapCount, inputOptions.maxLevel);
}
if (!outputHeader(inputOptions.textureType, width, height, depth, mipmapCount, img.isNormalMap(), compressionOptions, outputOptions)) {
return false;
}
// Output images.
for (int f = 0; f < faceCount; f++)
{
int w = width;
int h = height;
int d = depth;
bool canUseSourceImagesForThisFace = canUseSourceImages;
img.setImage(inputOptions.inputFormat, inputOptions.width, inputOptions.height, inputOptions.depth, inputOptions.images[f]);
// To normal map.
if (inputOptions.convertToNormalMap) {
img.toGreyScale(inputOptions.heightFactors.x, inputOptions.heightFactors.y, inputOptions.heightFactors.z, inputOptions.heightFactors.w);
img.toNormalMap(inputOptions.bumpFrequencyScale.x, inputOptions.bumpFrequencyScale.y, inputOptions.bumpFrequencyScale.z, inputOptions.bumpFrequencyScale.w);
}
// To linear space.
if (!img.isNormalMap()) {
img.toLinear(inputOptions.inputGamma);
}
// Resize input.
img.resize(w, h, d, ResizeFilter_Box);
nvtt::Surface tmp = img;
if (!img.isNormalMap()) {
tmp.toGamma(inputOptions.outputGamma);
}
quantize(tmp, compressionOptions);
compress(tmp, f, 0, compressionOptions, outputOptions);
for (int m = 1; m < mipmapCount; m++) {
w = max(1, w/2);
h = max(1, h/2);
d = max(1, d/2);
int idx = m * faceCount + f;
bool useSourceImages = false;
if (canUseSourceImagesForThisFace) {
if (inputOptions.images[idx] == NULL) { // One face is missing in this mipmap level.
canUseSourceImagesForThisFace = false; // If one level is missing, ignore the following source images.
}
else {
useSourceImages = true;
}
}
if (useSourceImages) {
img.setImage(inputOptions.inputFormat, w, h, d, inputOptions.images[idx]);
// For already generated mipmaps, we need to convert to linear.
if (!img.isNormalMap()) {
img.toLinear(inputOptions.inputGamma);
}
}
else {
if (inputOptions.mipmapFilter == MipmapFilter_Kaiser) {
float params[2] = { inputOptions.kaiserStretch, inputOptions.kaiserAlpha };
img.buildNextMipmap(MipmapFilter_Kaiser, inputOptions.kaiserWidth, params);
//.........这里部分代码省略.........