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Add PfmImage and PnmImage classes

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This commit is contained in:
GeorgH93
2020-12-25 00:24:25 +01:00
parent af8bd16e51
commit b14f691466
2 changed files with 29 additions and 17 deletions
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24
openVulkanoCpp/IO/Files/Pfm.hpp
View File

@@ -84,16 +84,22 @@ namespace openVulkanoCpp
{ {
return GetElementCount() * sizeof(float); return GetElementCount() * sizeof(float);
} }
};
static std::pair<PfmHeader, std::unique_ptr<float[]>> ReadImage(std::istream& inStream) struct PfmImage
{
PfmHeader header;
std::unique_ptr<float[]> image;
static PfmImage ReadImage(std::istream& inStream)
{ {
std::pair<PfmHeader, std::unique_ptr<float[]>> image; PfmImage image;
inStream >> image.first; inStream >> image.header;
size_t size = image.first.GetElementCount(); size_t size = image.header.GetElementCount();
if (Utils::IsLittleEndian() != image.first.littleEndian) if (Utils::IsLittleEndian() != image.header.littleEndian)
{ {
char* data = reinterpret_cast<char*>(image.second.get()); char* data = reinterpret_cast<char*>(image.image.get());
for(size_t i = 0; i < size; i++) for(size_t i = 0; i < size; i++)
{ {
size_t idx = i * sizeof(float); size_t idx = i * sizeof(float);
@@ -101,9 +107,9 @@ namespace openVulkanoCpp
} }
} }
image.second = std::make_unique<float[]>(size); image.image = std::make_unique<float[]>(size);
inStream.read(reinterpret_cast<char*>(image.second.get()), size); inStream.read(reinterpret_cast<char*>(image.image.get()), size);
return image; return image;
}; }
}; };
} }

22
openVulkanoCpp/IO/Files/Pnm.hpp
View File

@@ -103,19 +103,25 @@ namespace openVulkanoCpp
} }
return size; return size;
} }
};
static std::pair<PnmHeader, std::unique_ptr<char[]>> ReadImage(std::istream& inStream) struct PnmImage
{
PnmHeader header;
std::unique_ptr<char[]> image;
static PnmImage ReadImage(std::istream& inStream)
{ {
std::pair<PnmHeader, std::unique_ptr<char[]>> image; PnmImage image;
inStream >> image.first; inStream >> image.header;
// TODO handle ascii mode // TODO handle ascii mode
if (image.first.ascii) throw std::runtime_error("ascii mode not supported!"); if (image.header.ascii) throw std::runtime_error("ascii mode not supported!");
size_t size = image.first.GetImageSize(); size_t size = image.header.GetImageSize();
image.second = std::make_unique<char[]>(size); image.image = std::make_unique<char[]>(size);
inStream.read(image.second.get(), size); inStream.read(image.image.get(), size);
return image; return image;
}; }
}; };
} }