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Camera filter refactor

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This commit is contained in:
Jack Andersen
2017-05-31 19:34:24 -10:00
parent a550ce1959
commit ca69a54faf
56 changed files with 1201 additions and 260 deletions
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67
DataSpec/SpecBase.cpp
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@@ -10,6 +10,7 @@
#include "DNACommon/TXTR.hpp"
#include <time.h>
#include <png.h>
namespace DataSpec
{
@@ -402,4 +403,70 @@ void SpecBase::doPackage(const PackagePassInfo& info)
{
}
static void PNGErr(png_structp png, png_const_charp msg)
{
Log.report(logvisor::Error, msg);
}
static void PNGWarn(png_structp png, png_const_charp msg)
{
Log.report(logvisor::Warning, msg);
}
static inline uint8_t Convert4To8(uint8_t v)
{
/* Swizzle bits: 00001234 -> 12341234 */
return (v << 4) | v;
}
void SpecBase::ExtractRandomStaticEntropy(const uint8_t* buf, const hecl::ProjectPath& noAramPath)
{
hecl::ProjectPath entropyPath(noAramPath, _S("RandomStaticEntropy.png"));
hecl::ProjectPath catalogPath(noAramPath, _S("!catalog.yaml"));
if (FILE* fp = hecl::Fopen(catalogPath.getAbsolutePath().c_str(), _S("a")))
{
fprintf(fp, "RandomStaticEntropy: %s\n", entropyPath.getRelativePathUTF8().c_str());
fclose(fp);
}
FILE* fp = hecl::Fopen(entropyPath.getAbsolutePath().c_str(), _S("wb"));
if (!fp)
{
Log.report(logvisor::Error,
_S("Unable to open '%s' for writing"),
entropyPath.getAbsolutePath().c_str());
return;
}
png_structp png = png_create_write_struct(PNG_LIBPNG_VER_STRING, nullptr, PNGErr, PNGWarn);
png_init_io(png, fp);
png_infop info = png_create_info_struct(png);
png_text textStruct = {};
textStruct.key = png_charp("urde_nomip");
png_set_text(png, info, &textStruct, 1);
png_set_IHDR(png, info, 1024, 512, 8,
PNG_COLOR_TYPE_GRAY_ALPHA, PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
png_write_info(png, info);
std::unique_ptr<uint8_t[]> rowbuf(new uint8_t[1024*2]);
for (int y=0 ; y<512 ; ++y)
{
for (int x=0 ; x<1024 ; ++x)
{
uint8_t texel = buf[y*1024+x];
rowbuf[x*2] = Convert4To8(texel >> 4 & 0xf);
rowbuf[x*2+1] = Convert4To8(texel & 0xf);
}
png_write_row(png, rowbuf.get());
}
png_write_end(png, info);
png_write_flush(png);
png_destroy_write_struct(&png, &info);
fclose(fp);
}
}