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Added A8 pixel format

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PixelFormat::GetBytesPerPixel() will no longer warn with
less-than-one-byte formats

Former-commit-id: af41f0c2bc7a35c2ee617980878628ff1c8bf868
This commit is contained in:
Lynix
2014-12-07 03:09:39 +01:00
parent 4b2e3370d9
commit d22c4a5ac9
5 changed files with 121 additions and 19 deletions
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103
src/Nazara/Utility/PixelFormat.cpp
View File

@@ -50,6 +50,94 @@ namespace
return nullptr;
}
/**********************************A8***********************************/
template<>
nzUInt8* ConvertPixels<nzPixelFormat_A8, nzPixelFormat_BGRA8>(const nzUInt8* start, const nzUInt8* end, nzUInt8* dst)
{
while (start < end)
{
*dst++ = 0xFF;
*dst++ = 0xFF;
*dst++ = 0xFF;
*dst++ = *start;
start += 1;
}
return dst;
}
template<>
nzUInt8* ConvertPixels<nzPixelFormat_A8, nzPixelFormat_LA8>(const nzUInt8* start, const nzUInt8* end, nzUInt8* dst)
{
while (start < end)
{
*dst++ = 0xFF;
*dst++ = *start;
start += 1;
}
return dst;
}
template<>
nzUInt8* ConvertPixels<nzPixelFormat_A8, nzPixelFormat_RGB5A1>(const nzUInt8* start, const nzUInt8* end, nzUInt8* dst)
{
nzUInt16* ptr = reinterpret_cast<nzUInt16*>(dst);
while (start < end)
{
*ptr = (static_cast<nzUInt16>(c8to5(start[2])) << 11) |
(static_cast<nzUInt16>(c8to5(start[1])) << 6) |
(static_cast<nzUInt16>(c8to5(start[0])) << 1) |
((*start > 0xF) ? 1 : 0); // > 128
#ifdef NAZARA_BIG_ENDIAN
NzByteSwap(ptr, sizeof(nzUInt16));
#endif
ptr++;
start += 1;
}
return reinterpret_cast<nzUInt8*>(ptr);
}
template<>
nzUInt8* ConvertPixels<nzPixelFormat_A8, nzPixelFormat_RGBA4>(const nzUInt8* start, const nzUInt8* end, nzUInt8* dst)
{
nzUInt16* ptr = reinterpret_cast<nzUInt16*>(dst);
while (start < end)
{
*ptr = 0xFFF0 | c8to4(*start);
#ifdef NAZARA_BIG_ENDIAN
NzByteSwap(ptr, sizeof(nzUInt16));
#endif
ptr++;
start += 1;
}
return dst;
}
template<>
nzUInt8* ConvertPixels<nzPixelFormat_A8, nzPixelFormat_RGBA8>(const nzUInt8* start, const nzUInt8* end, nzUInt8* dst)
{
while (start < end)
{
*dst++ = 0xFF;
*dst++ = 0xFF;
*dst++ = 0xFF;
*dst++ = *start;
start += 1;
}
return dst;
}
/**********************************BGR8***********************************/
template<>
nzUInt8* ConvertPixels<nzPixelFormat_BGR8, nzPixelFormat_BGRA8>(const nzUInt8* start, const nzUInt8* end, nzUInt8* dst)
@@ -243,7 +331,7 @@ namespace
*ptr = (static_cast<nzUInt16>(c8to5(start[2])) << 11) |
(static_cast<nzUInt16>(c8to5(start[1])) << 6) |
(static_cast<nzUInt16>(c8to5(start[0])) << 1) |
((start[3] == 0xFF) ? 1 : 0);
((start[3] > 0xF) ? 1 : 0); // > 128
#ifdef NAZARA_BIG_ENDIAN
NzByteSwap(ptr, sizeof(nzUInt16));
@@ -465,7 +553,7 @@ namespace
{
nzUInt16 l = static_cast<nzUInt16>(c8to5(start[0]));
*ptr = (l << 11) | (l << 6) | (l << 1) | ((start[1] == 0xFF) ? 1 : 0);
*ptr = (l << 11) | (l << 6) | (l << 1) | ((start[1] > 0xF) ? 1 : 0);
#ifdef NAZARA_BIG_ENDIAN
NzByteSwap(ptr, sizeof(nzUInt16));
@@ -638,7 +726,7 @@ namespace
nzUInt16 b = c4to5((pixel & 0x00F0) >> 4);
nzUInt16 a = c4to5((pixel & 0x000F) >> 0);
*ptr = (r << 11) | (g << 6) | (b << 1) | ((a == 0xFF) ? 1 : 0);
*ptr = (r << 11) | (g << 6) | (b << 1) | ((a > 0x3) ? 1 : 0);
#ifdef NAZARA_BIG_ENDIAN
NzByteSwap(ptr, sizeof(nzUInt16));
@@ -1044,7 +1132,7 @@ namespace
*ptr = (static_cast<nzUInt16>(c8to5(start[0])) << 11) |
(static_cast<nzUInt16>(c8to5(start[1])) << 6) |
(static_cast<nzUInt16>(c8to5(start[2])) << 1) |
((start[3] == 0xFF) ? 1 : 0);
((start[3] > 0xF) ? 1 : 0); // > 128
#ifdef NAZARA_BIG_ENDIAN
NzByteSwap(ptr, sizeof(nzUInt16));
@@ -1106,6 +1194,13 @@ bool NzPixelFormat::Initialize()
// Réinitialisation
std::memset(s_convertFunctions, 0, (nzPixelFormat_Max+1)*(nzPixelFormat_Max+1)*sizeof(NzPixelFormat::ConvertFunction));
/***********************************A8************************************/
RegisterConverter<nzPixelFormat_A8, nzPixelFormat_BGRA8>();
RegisterConverter<nzPixelFormat_A8, nzPixelFormat_LA8>();
RegisterConverter<nzPixelFormat_A8, nzPixelFormat_RGB5A1>();
RegisterConverter<nzPixelFormat_A8, nzPixelFormat_RGBA4>();
RegisterConverter<nzPixelFormat_A8, nzPixelFormat_RGBA8>();
/**********************************BGR8***********************************/
RegisterConverter<nzPixelFormat_BGR8, nzPixelFormat_BGRA8>();
RegisterConverter<nzPixelFormat_BGR8, nzPixelFormat_L8>();