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Cygwin port

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elasota
2021-03-18 17:08:11 -04:00
parent 184f867f79
commit 7060676b73
49 changed files with 1413 additions and 109 deletions
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54
PortabilityLayer/AntiAliasTable.cpp
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@@ -8,61 +8,10 @@
#include <algorithm>
#include <math.h>
#include <stdio.h>
// TODO: This is not gamma correct...
namespace PortabilityLayer
{
#if 0
void AntiAliasTable::GenerateForPalette(const RGBAColor &baseColorRef, const RGBAColor *colors, size_t numColors)
{
const RGBAColor baseColor = baseColorRef;
if (numColors > 256)
numColors = 256;
unsigned int baseCh[3] = { baseColor.r, baseColor.g, baseColor.b };
for (size_t i = 0; i < numColors; i++)
{
const RGBAColor existingColor = colors[i];
unsigned int existingCh[3] = { existingColor.r, existingColor.g, existingColor.b };
// 0 alpha is always the same color
m_aaTranslate[i][0] = static_cast<uint8_t>(i);
for (unsigned int b = 1; b < 16; b++)
{
unsigned int newCh[3];
for (unsigned int ch = 0; ch < 3; ch++)
newCh[ch] = (15 - b) * existingCh[ch] + b * baseCh[ch];
uint32_t bestError = 0xffffffffU;
size_t bestColor = 0;
for (size_t cmp = 0; cmp < numColors; cmp++)
{
int16_t existingChScaled[3] = { colors[cmp].r * 15, colors[cmp].g * 15, colors[cmp].b * 15 };
uint32_t error = 0;
for (unsigned int ch = 0; ch < 3; ch++)
{
int16_t delta = static_cast<int16_t>(newCh[ch]) - existingChScaled[ch];
error += static_cast<uint32_t>(delta * delta);
}
if (error < bestError)
{
bestError = error;
bestColor = cmp;
}
}
m_aaTranslate[i][b] = static_cast<uint8_t>(bestColor);
}
}
}
#else
bool AntiAliasTable::LoadFromCache(const char *cacheFileName)
{
GpIOStream *stream = PLDrivers::GetFileSystem()->OpenFile(PortabilityLayer::VirtualDirectories::kFontCache, cacheFileName, false, GpFileCreationDispositions::kOpenExisting);
@@ -203,5 +152,4 @@ namespace PortabilityLayer
if (cacheable)
SaveToCache(cacheFileName);
}
#endif
}