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TXTR bug fixes

This commit is contained in:
Jack Andersen 2015-07-19 00:43:37 -10:00
parent 29103838da
commit 78f4dbc5cd
2 changed files with 19 additions and 15 deletions
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4
DataSpec/DNACommon/DNACommon.hpp
View File

@ -69,7 +69,7 @@ public:
inline std::string toString() const
{
char buf[17];
snprintf(buf, 17, "%16lX", m_id);
snprintf(buf, 17, "%016lX", m_id);
return std::string(buf);
}
};
@ -122,7 +122,7 @@ public:
inline std::string toString() const
{
char buf[33];
snprintf(buf, 33, "%16lX%16lX", m_id[0], m_id[1]);
snprintf(buf, 33, "%016lX%016lX", m_id[0], m_id[1]);
return std::string(buf);
}
};

30
DataSpec/DNACommon/TXTR.cpp
View File

@ -41,7 +41,7 @@ static inline uint8_t Lookup4BPP(const uint8_t* texels, int width, int x, int y)
int ry = y % 8;
int bidx = by * bwidth + bx;
const uint8_t* btexels = &texels[32*bidx];
return btexels[ry*4+rx/2] << (rx%2*4) & 0xf;
return btexels[ry*4+rx/2] << ((rx%2)?0:4) & 0xf;
}
static inline uint8_t Lookup8BPP(const uint8_t* texels, int width, int x, int y)
@ -96,7 +96,7 @@ static void DecodeI4(png_structrp png, png_infop info,
png_write_info(png, info);
std::unique_ptr<uint8_t[]> buf(new uint8_t[width]);
memset(buf.get(), 0, width);
for (int y=0 ; y<height ; ++y)
for (int y=height-1 ; y>=0 ; --y)
{
for (int x=0 ; x<width ; ++x)
buf[x/2] |= Lookup4BPP(texels, width, x, y) << x%2*4;
@ -112,7 +112,7 @@ static void DecodeI8(png_structrp png, png_infop info,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
png_write_info(png, info);
std::unique_ptr<uint8_t[]> buf(new uint8_t[width]);
for (int y=0 ; y<height ; ++y)
for (int y=height-1 ; y>=0 ; --y)
{
for (int x=0 ; x<width ; ++x)
buf[x] = Lookup8BPP(texels, width, x, y);
@ -123,15 +123,19 @@ static void DecodeI8(png_structrp png, png_infop info,
static void DecodeIA4(png_structrp png, png_infop info,
const uint8_t* texels, int width, int height)
{
png_set_IHDR(png, info, width, height, 4,
png_set_IHDR(png, info, width, height, 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[]> buf(new uint8_t[width]);
for (int y=0 ; y<height ; ++y)
std::unique_ptr<uint8_t[]> buf(new uint8_t[width*2]);
for (int y=height-1 ; y>=0 ; --y)
{
for (int x=0 ; x<width ; ++x)
buf[x] = Lookup8BPP(texels, width, x, y);
{
uint8_t texel = Lookup8BPP(texels, width, x, y);
buf[x*2] = texel >> 4 & 0xf;
buf[x*2+1] = texel & 0xf;
}
png_write_row(png, buf.get());
}
}
@ -144,7 +148,7 @@ static void DecodeIA8(png_structrp png, png_infop info,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
png_write_info(png, info);
std::unique_ptr<uint16_t[]> buf(new uint16_t[width]);
for (int y=0 ; y<height ; ++y)
for (int y=height-1 ; y>=0 ; --y)
{
for (int x=0 ; x<width ; ++x)
buf[x] = Lookup16BPP(texels, width, x, y);
@ -228,7 +232,7 @@ static void DecodeC4(png_structrp png, png_infop info,
png_write_info(png, info);
std::unique_ptr<uint8_t[]> buf(new uint8_t[width]);
memset(buf.get(), 0, width);
for (int y=0 ; y<height ; ++y)
for (int y=height-1 ; y>=0 ; --y)
{
for (int x=0 ; x<width ; ++x)
buf[x/2] |= Lookup4BPP(texels, width, x, y) << x%2*4;
@ -245,7 +249,7 @@ static void DecodeC8(png_structrp png, png_infop info,
const uint8_t* texels = DecodePalette(png, info, 256, data);
png_write_info(png, info);
std::unique_ptr<uint8_t[]> buf(new uint8_t[width]);
for (int y=0 ; y<height ; ++y)
for (int y=height-1 ; y>=0 ; --y)
{
for (int x=0 ; x<width ; ++x)
buf[x] = Lookup8BPP(texels, width, x, y);
@ -261,7 +265,7 @@ static void DecodeRGB565(png_structrp png, png_infop info,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
png_write_info(png, info);
std::unique_ptr<uint8_t[]> buf(new uint8_t[width*3]);
for (int y=0 ; y<height ; ++y)
for (int y=height-1 ; y>=0 ; --y)
{
for (int x=0 ; x<width ; ++x)
{
@ -282,7 +286,7 @@ static void DecodeRGB5A3(png_structrp png, png_infop info,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
png_write_info(png, info);
std::unique_ptr<uint8_t[]> buf(new uint8_t[width*4]);
for (int y=0 ; y<height ; ++y)
for (int y=height-1 ; y>=0 ; --y)
{
for (int x=0 ; x<width ; ++x)
{
@ -314,7 +318,7 @@ static void DecodeRGBA8(png_structrp png, png_infop info,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
png_write_info(png, info);
std::unique_ptr<uint8_t[]> buf(new uint8_t[width*4]);
for (int y=0 ; y<height ; ++y)
for (int y=height-1 ; y>=0 ; --y)
{
for (int x=0 ; x<width ; ++x)
LookupRGBA8(texels, width, x, y, &buf[x*4], &buf[x*4+1], &buf[x*4+2], &buf[x*4+3]);