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Don't use custom int types in pngu

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Crayon2000 2024-03-03 14:55:16 -05:00
parent bb8d8ed569
commit 4b65d83fea
2 changed files with 161 additions and 163 deletions
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266
GRRLIB/lib/pngu/pngu.c
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@ -19,13 +19,13 @@ More info : http://frontier-dev.net
#define PNGU_SOURCE_DEVICE 2 #define PNGU_SOURCE_DEVICE 2
#define _SHIFTL(v, s, w) \ #define _SHIFTL(v, s, w) \
((PNGU_u32) (((PNGU_u32)(v) & ((0x01 << (w)) - 1)) << (s))) ((uint32_t) (((uint32_t)(v) & ((0x01 << (w)) - 1)) << (s)))
#define _SHIFTR(v, s, w) \ #define _SHIFTR(v, s, w) \
((PNGU_u32)(((PNGU_u32)(v) >> (s)) & ((0x01 << (w)) - 1))) ((uint32_t)(((uint32_t)(v) >> (s)) & ((0x01 << (w)) - 1)))
// Prototypes of helper functions // Prototypes of helper functions
int pngu_info (IMGCTX ctx); int pngu_info (IMGCTX ctx);
int pngu_decode (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, PNGU_u32 stripAlpha); int pngu_decode (IMGCTX ctx, uint32_t width, uint32_t height, uint32_t stripAlpha);
void pngu_free_info (IMGCTX ctx); void pngu_free_info (IMGCTX ctx);
void pngu_read_data_from_buffer (png_structp png_ptr, png_bytep data, png_size_t length); void pngu_read_data_from_buffer (png_structp png_ptr, png_bytep data, png_size_t length);
void pngu_write_data_to_buffer (png_structp png_ptr, png_bytep data, png_size_t length); void pngu_write_data_to_buffer (png_structp png_ptr, png_bytep data, png_size_t length);
@ -39,12 +39,12 @@ struct _IMGCTX
int source; int source;
void *buffer; void *buffer;
char *filename; char *filename;
PNGU_u32 cursor; uint32_t cursor;
PNGU_u32 propRead; uint32_t propRead;
PNGUPROP prop; PNGUPROP prop;
PNGU_u32 infoRead; uint32_t infoRead;
png_structp png_ptr; png_structp png_ptr;
png_infop info_ptr; png_infop info_ptr;
FILE *fd; FILE *fd;
@ -136,7 +136,7 @@ int PNGU_GetImageProperties (IMGCTX ctx, PNGUPROP *imgprop)
} }
int PNGU_DecodeToYCbYCr (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride) int PNGU_DecodeToYCbYCr (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint32_t stride)
{ {
// width needs to be divisible by two // width needs to be divisible by two
if (width % 2) if (width % 2)
@ -151,12 +151,12 @@ int PNGU_DecodeToYCbYCr (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buff
return result; return result;
// Copy image to the output buffer // Copy image to the output buffer
const PNGU_u32 buffWidth = (width + stride) / 2; const uint32_t buffWidth = (width + stride) / 2;
for (PNGU_u32 y = 0; y < height; y++) for (uint32_t y = 0; y < height; y++)
{ {
for (PNGU_u32 x = 0; x < (width / 2); x++) for (uint32_t x = 0; x < (width / 2); x++)
{ {
((PNGU_u32 *)buffer)[y*buffWidth+x] = PNGU_RGB8_TO_YCbYCr (*(ctx->row_pointers[y]+x*6), *(ctx->row_pointers[y]+x*6+1), *(ctx->row_pointers[y]+x*6+2), ((uint32_t *)buffer)[y*buffWidth+x] = PNGU_RGB8_TO_YCbYCr (*(ctx->row_pointers[y]+x*6), *(ctx->row_pointers[y]+x*6+1), *(ctx->row_pointers[y]+x*6+2),
*(ctx->row_pointers[y]+x*6+3), *(ctx->row_pointers[y]+x*6+4), *(ctx->row_pointers[y]+x*6+5)); *(ctx->row_pointers[y]+x*6+3), *(ctx->row_pointers[y]+x*6+4), *(ctx->row_pointers[y]+x*6+5));
} }
} }
@ -170,23 +170,23 @@ int PNGU_DecodeToYCbYCr (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buff
} }
int PNGU_DecodeToRGB565 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride) int PNGU_DecodeToRGB565 (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint32_t stride)
{ {
const int result = pngu_decode (ctx, width, height, 1); const int result = pngu_decode (ctx, width, height, 1);
if (result != PNGU_OK) if (result != PNGU_OK)
return result; return result;
const PNGU_u32 buffWidth = width + stride; const uint32_t buffWidth = width + stride;
// Copy image to the output buffer // Copy image to the output buffer
for (PNGU_u32 y = 0; y < height; y++) for (uint32_t y = 0; y < height; y++)
{ {
for (PNGU_u32 x = 0; x < width; x++) for (uint32_t x = 0; x < width; x++)
{ {
((PNGU_u16 *)buffer)[y*buffWidth+x] = ((uint16_t *)buffer)[y*buffWidth+x] =
(((PNGU_u16) (ctx->row_pointers[y][x*3] & 0xF8)) << 8) | (((uint16_t) (ctx->row_pointers[y][x*3] & 0xF8)) << 8) |
(((PNGU_u16) (ctx->row_pointers[y][x*3+1] & 0xFC)) << 3) | (((uint16_t) (ctx->row_pointers[y][x*3+1] & 0xFC)) << 3) |
(((PNGU_u16) (ctx->row_pointers[y][x*3+2] & 0xF8)) >> 3); (((uint16_t) (ctx->row_pointers[y][x*3+2] & 0xF8)) >> 3);
} }
} }
@ -199,19 +199,19 @@ int PNGU_DecodeToRGB565 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buff
} }
int PNGU_DecodeToRGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride, PNGU_u8 default_alpha) int PNGU_DecodeToRGBA8 (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint32_t stride, uint8_t default_alpha)
{ {
const int result = pngu_decode (ctx, width, height, 0); const int result = pngu_decode (ctx, width, height, 0);
if (result != PNGU_OK) if (result != PNGU_OK)
return result; return result;
const PNGU_u32 buffWidth = width + stride; const uint32_t buffWidth = width + stride;
// Check is source image has an alpha channel // Check is source image has an alpha channel
if ( (ctx->prop.imgColorType == PNGU_COLOR_TYPE_GRAY_ALPHA) || (ctx->prop.imgColorType == PNGU_COLOR_TYPE_RGB_ALPHA) ) if ( (ctx->prop.imgColorType == PNGU_COLOR_TYPE_GRAY_ALPHA) || (ctx->prop.imgColorType == PNGU_COLOR_TYPE_RGB_ALPHA) )
{ {
// Alpha channel present, copy image to the output buffer // Alpha channel present, copy image to the output buffer
for (PNGU_u32 y = 0; y < height; y++) for (uint32_t y = 0; y < height; y++)
{ {
memcpy (buffer + (y * buffWidth * 4), ctx->row_pointers[y], width * 4); memcpy (buffer + (y * buffWidth * 4), ctx->row_pointers[y], width * 4);
} }
@ -219,15 +219,15 @@ int PNGU_DecodeToRGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffe
else else
{ {
// No alpha channel present, copy image to the output buffer // No alpha channel present, copy image to the output buffer
for (PNGU_u32 y = 0; y < height; y++) for (uint32_t y = 0; y < height; y++)
{ {
for (PNGU_u32 x = 0; x < width; x++) for (uint32_t x = 0; x < width; x++)
{ {
((PNGU_u32 *)buffer)[y*buffWidth+x] = ((uint32_t *)buffer)[y*buffWidth+x] =
(((PNGU_u32) ctx->row_pointers[y][x*3]) << 24) | (((uint32_t) ctx->row_pointers[y][x*3]) << 24) |
(((PNGU_u32) ctx->row_pointers[y][x*3+1]) << 16) | (((uint32_t) ctx->row_pointers[y][x*3+1]) << 16) |
(((PNGU_u32) ctx->row_pointers[y][x*3+2]) << 8) | (((uint32_t) ctx->row_pointers[y][x*3+2]) << 8) |
((PNGU_u32) default_alpha); ((uint32_t) default_alpha);
} }
} }
} }
@ -241,7 +241,7 @@ int PNGU_DecodeToRGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffe
} }
int PNGU_DecodeTo4x4RGB565 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer) int PNGU_DecodeTo4x4RGB565 (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer)
{ {
// width and height need to be divisible by four // width and height need to be divisible by four
if ((width % 4) || (height % 4)) if ((width % 4) || (height % 4))
@ -252,42 +252,42 @@ int PNGU_DecodeTo4x4RGB565 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
return result; return result;
// Copy image to the output buffer // Copy image to the output buffer
const PNGU_u32 qwidth = width / 4; const uint32_t qwidth = width / 4;
const PNGU_u32 qheight = height / 4; const uint32_t qheight = height / 4;
for (PNGU_u32 y = 0; y < qheight; y++) for (uint32_t y = 0; y < qheight; y++)
{ {
for (PNGU_u32 x = 0; x < qwidth; x++) for (uint32_t x = 0; x < qwidth; x++)
{ {
const int blockbase = (y * qwidth + x) * 4; const int blockbase = (y * qwidth + x) * 4;
PNGU_u64 field64 = *((PNGU_u64 *)(ctx->row_pointers[y*4]+x*12)); uint64_t field64 = *((uint64_t *)(ctx->row_pointers[y*4]+x*12));
PNGU_u64 field32 = (PNGU_u64) *((PNGU_u32 *)(ctx->row_pointers[y*4]+x*12+8)); uint64_t field32 = (uint64_t) *((uint32_t *)(ctx->row_pointers[y*4]+x*12+8));
((PNGU_u64 *) buffer)[blockbase] = ((uint64_t *) buffer)[blockbase] =
(((field64 & 0xF800000000000000ULL) | ((field64 & 0xFC000000000000ULL) << 3) | ((field64 & 0xF80000000000ULL) << 5)) | (((field64 & 0xF800000000000000ULL) | ((field64 & 0xFC000000000000ULL) << 3) | ((field64 & 0xF80000000000ULL) << 5)) |
(((field64 & 0xF800000000ULL) << 8) | ((field64 & 0xFC000000ULL) << 11) | ((field64 & 0xF80000ULL) << 13)) | (((field64 & 0xF800000000ULL) << 8) | ((field64 & 0xFC000000ULL) << 11) | ((field64 & 0xF80000ULL) << 13)) |
(((field64 & 0xF800ULL) << 16) | ((field64 & 0xFCULL) << 19) | ((field32 & 0xF8000000ULL) >> 11)) | (((field64 & 0xF800ULL) << 16) | ((field64 & 0xFCULL) << 19) | ((field32 & 0xF8000000ULL) >> 11)) |
(((field32 & 0xF80000ULL) >> 8) | ((field32 & 0xFC00ULL) >> 5) | ((field32 & 0xF8ULL) >> 3))); (((field32 & 0xF80000ULL) >> 8) | ((field32 & 0xFC00ULL) >> 5) | ((field32 & 0xF8ULL) >> 3)));
field64 = *((PNGU_u64 *)(ctx->row_pointers[y*4+1]+x*12)); field64 = *((uint64_t *)(ctx->row_pointers[y*4+1]+x*12));
field32 = (PNGU_u64) *((PNGU_u32 *)(ctx->row_pointers[y*4+1]+x*12+8)); field32 = (uint64_t) *((uint32_t *)(ctx->row_pointers[y*4+1]+x*12+8));
((PNGU_u64 *) buffer)[blockbase+1] = ((uint64_t *) buffer)[blockbase+1] =
(((field64 & 0xF800000000000000ULL) | ((field64 & 0xFC000000000000ULL) << 3) | ((field64 & 0xF80000000000ULL) << 5)) | (((field64 & 0xF800000000000000ULL) | ((field64 & 0xFC000000000000ULL) << 3) | ((field64 & 0xF80000000000ULL) << 5)) |
(((field64 & 0xF800000000ULL) << 8) | ((field64 & 0xFC000000ULL) << 11) | ((field64 & 0xF80000ULL) << 13)) | (((field64 & 0xF800000000ULL) << 8) | ((field64 & 0xFC000000ULL) << 11) | ((field64 & 0xF80000ULL) << 13)) |
(((field64 & 0xF800ULL) << 16) | ((field64 & 0xFCULL) << 19) | ((field32 & 0xF8000000ULL) >> 11)) | (((field64 & 0xF800ULL) << 16) | ((field64 & 0xFCULL) << 19) | ((field32 & 0xF8000000ULL) >> 11)) |
(((field32 & 0xF80000ULL) >> 8) | ((field32 & 0xFC00ULL) >> 5) | ((field32 & 0xF8ULL) >> 3))); (((field32 & 0xF80000ULL) >> 8) | ((field32 & 0xFC00ULL) >> 5) | ((field32 & 0xF8ULL) >> 3)));
field64 = *((PNGU_u64 *)(ctx->row_pointers[y*4+2]+x*12)); field64 = *((uint64_t *)(ctx->row_pointers[y*4+2]+x*12));
field32 = (PNGU_u64) *((PNGU_u32 *)(ctx->row_pointers[y*4+2]+x*12+8)); field32 = (uint64_t) *((uint32_t *)(ctx->row_pointers[y*4+2]+x*12+8));
((PNGU_u64 *) buffer)[blockbase+2] = ((uint64_t *) buffer)[blockbase+2] =
(((field64 & 0xF800000000000000ULL) | ((field64 & 0xFC000000000000ULL) << 3) | ((field64 & 0xF80000000000ULL) << 5)) | (((field64 & 0xF800000000000000ULL) | ((field64 & 0xFC000000000000ULL) << 3) | ((field64 & 0xF80000000000ULL) << 5)) |
(((field64 & 0xF800000000ULL) << 8) | ((field64 & 0xFC000000ULL) << 11) | ((field64 & 0xF80000ULL) << 13)) | (((field64 & 0xF800000000ULL) << 8) | ((field64 & 0xFC000000ULL) << 11) | ((field64 & 0xF80000ULL) << 13)) |
(((field64 & 0xF800ULL) << 16) | ((field64 & 0xFCULL) << 19) | ((field32 & 0xF8000000ULL) >> 11)) | (((field64 & 0xF800ULL) << 16) | ((field64 & 0xFCULL) << 19) | ((field32 & 0xF8000000ULL) >> 11)) |
(((field32 & 0xF80000ULL) >> 8) | ((field32 & 0xFC00ULL) >> 5) | ((field32 & 0xF8ULL) >> 3))); (((field32 & 0xF80000ULL) >> 8) | ((field32 & 0xFC00ULL) >> 5) | ((field32 & 0xF8ULL) >> 3)));
field64 = *((PNGU_u64 *)(ctx->row_pointers[y*4+3]+x*12)); field64 = *((uint64_t *)(ctx->row_pointers[y*4+3]+x*12));
field32 = (PNGU_u64) *((PNGU_u32 *)(ctx->row_pointers[y*4+3]+x*12+8)); field32 = (uint64_t) *((uint32_t *)(ctx->row_pointers[y*4+3]+x*12+8));
((PNGU_u64 *) buffer)[blockbase+3] = ((uint64_t *) buffer)[blockbase+3] =
(((field64 & 0xF800000000000000ULL) | ((field64 & 0xFC000000000000ULL) << 3) | ((field64 & 0xF80000000000ULL) << 5)) | (((field64 & 0xF800000000000000ULL) | ((field64 & 0xFC000000000000ULL) << 3) | ((field64 & 0xF80000000000ULL) << 5)) |
(((field64 & 0xF800000000ULL) << 8) | ((field64 & 0xFC000000ULL) << 11) | ((field64 & 0xF80000ULL) << 13)) | (((field64 & 0xF800000000ULL) << 8) | ((field64 & 0xFC000000ULL) << 11) | ((field64 & 0xF80000ULL) << 13)) |
(((field64 & 0xF800ULL) << 16) | ((field64 & 0xFCULL) << 19) | ((field32 & 0xF8000000ULL) >> 11)) | (((field64 & 0xF800ULL) << 16) | ((field64 & 0xFCULL) << 19) | ((field32 & 0xF8000000ULL) >> 11)) |
@ -304,7 +304,7 @@ int PNGU_DecodeTo4x4RGB565 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
} }
int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u8 default_alpha) int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint8_t default_alpha)
{ {
// width and height need to be divisible by four // width and height need to be divisible by four
if ((width % 4) || (height % 4)) if ((width % 4) || (height % 4))
@ -315,22 +315,22 @@ int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
return result; return result;
// Init some vars // Init some vars
const PNGU_u32 qwidth = width / 4; const uint32_t qwidth = width / 4;
const PNGU_u32 qheight = height / 4; const uint32_t qheight = height / 4;
// Check is source image has an alpha channel // Check is source image has an alpha channel
if ( (ctx->prop.imgColorType == PNGU_COLOR_TYPE_GRAY_ALPHA) || (ctx->prop.imgColorType == PNGU_COLOR_TYPE_RGB_ALPHA) ) if ( (ctx->prop.imgColorType == PNGU_COLOR_TYPE_GRAY_ALPHA) || (ctx->prop.imgColorType == PNGU_COLOR_TYPE_RGB_ALPHA) )
{ {
// Alpha channel present, copy image to the output buffer // Alpha channel present, copy image to the output buffer
for (PNGU_u32 y = 0; y < qheight; y++) for (uint32_t y = 0; y < qheight; y++)
{ {
for (PNGU_u32 x = 0; x < qwidth; x++) for (uint32_t x = 0; x < qwidth; x++)
{ {
int blockbase = (y * qwidth + x) * 4; int blockbase = (y * qwidth + x) * 4;
PNGU_u64 tmp; uint64_t tmp;
PNGU_u64 fieldA = *((PNGU_u64 *)(ctx->row_pointers[y*4]+x*16)); uint64_t fieldA = *((uint64_t *)(ctx->row_pointers[y*4]+x*16));
PNGU_u64 fieldB = *((PNGU_u64 *)(ctx->row_pointers[y*4]+x*16+8)); uint64_t fieldB = *((uint64_t *)(ctx->row_pointers[y*4]+x*16+8));
// If first pixel is opaque set MSB to 1 and encode colors in RGB555, else set MSB to 0 and encode colors in ARGB3444 // If first pixel is opaque set MSB to 1 and encode colors in RGB555, else set MSB to 0 and encode colors in ARGB3444
if ((fieldA & 0xE000000000ULL) == 0xE000000000ULL) if ((fieldA & 0xE000000000ULL) == 0xE000000000ULL)
tmp = 0x8000000000000000ULL | ((fieldA & 0xF800000000000000ULL) >> 1) | ((fieldA & 0xF8000000000000ULL) << 2) | ((fieldA & 0xF80000000000ULL) << 5); tmp = 0x8000000000000000ULL | ((fieldA & 0xF800000000000000ULL) >> 1) | ((fieldA & 0xF8000000000000ULL) << 2) | ((fieldA & 0xF80000000000ULL) << 5);
@ -354,10 +354,10 @@ int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
tmp = tmp | 0x8000ULL | ((fieldB & 0xF8000000ULL) >> 17) | ((fieldB & 0xF80000ULL) >> 14) | ((fieldB & 0xF800ULL) >> 11); tmp = tmp | 0x8000ULL | ((fieldB & 0xF8000000ULL) >> 17) | ((fieldB & 0xF80000ULL) >> 14) | ((fieldB & 0xF800ULL) >> 11);
else else
tmp = tmp | ((fieldB & 0xE0ULL) << 7) | ((fieldB & 0xF0000000ULL) >> 20) | ((fieldB & 0xF00000ULL) >> 16) | ((fieldB & 0xF000ULL) >> 12); tmp = tmp | ((fieldB & 0xE0ULL) << 7) | ((fieldB & 0xF0000000ULL) >> 20) | ((fieldB & 0xF00000ULL) >> 16) | ((fieldB & 0xF000ULL) >> 12);
((PNGU_u64 *) buffer)[blockbase] = tmp; ((uint64_t *) buffer)[blockbase] = tmp;
fieldA = *((PNGU_u64 *)(ctx->row_pointers[y*4+1]+x*16)); fieldA = *((uint64_t *)(ctx->row_pointers[y*4+1]+x*16));
fieldB = *((PNGU_u64 *)(ctx->row_pointers[y*4+1]+x*16+8)); fieldB = *((uint64_t *)(ctx->row_pointers[y*4+1]+x*16+8));
if ((fieldA & 0xE000000000ULL) == 0xE000000000ULL) if ((fieldA & 0xE000000000ULL) == 0xE000000000ULL)
// Opaque pixel, so set MSB to 1 and encode colors in RGB555 // Opaque pixel, so set MSB to 1 and encode colors in RGB555
tmp = 0x8000000000000000ULL | ((fieldA & 0xF800000000000000ULL) >> 1) | ((fieldA & 0xF8000000000000ULL) << 2) | ((fieldA & 0xF80000000000ULL) << 5); tmp = 0x8000000000000000ULL | ((fieldA & 0xF800000000000000ULL) >> 1) | ((fieldA & 0xF8000000000000ULL) << 2) | ((fieldA & 0xF80000000000ULL) << 5);
@ -385,10 +385,10 @@ int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
else else
// Tranlucid pixel, so set MSB to 0 and encode colors in ARGB3444 // Tranlucid pixel, so set MSB to 0 and encode colors in ARGB3444
tmp = tmp | ((fieldB & 0xE0ULL) << 7) | ((fieldB & 0xF0000000ULL) >> 20) | ((fieldB & 0xF00000ULL) >> 16) | ((fieldB & 0xF000ULL) >> 12); tmp = tmp | ((fieldB & 0xE0ULL) << 7) | ((fieldB & 0xF0000000ULL) >> 20) | ((fieldB & 0xF00000ULL) >> 16) | ((fieldB & 0xF000ULL) >> 12);
((PNGU_u64 *) buffer)[blockbase+1] = tmp; ((uint64_t *) buffer)[blockbase+1] = tmp;
fieldA = *((PNGU_u64 *)(ctx->row_pointers[y*4+2]+x*16)); fieldA = *((uint64_t *)(ctx->row_pointers[y*4+2]+x*16));
fieldB = *((PNGU_u64 *)(ctx->row_pointers[y*4+2]+x*16+8)); fieldB = *((uint64_t *)(ctx->row_pointers[y*4+2]+x*16+8));
if ((fieldA & 0xE000000000ULL) == 0xE000000000ULL) if ((fieldA & 0xE000000000ULL) == 0xE000000000ULL)
// Opaque pixel, so set MSB to 1 and encode colors in RGB555 // Opaque pixel, so set MSB to 1 and encode colors in RGB555
tmp = 0x8000000000000000ULL | ((fieldA & 0xF800000000000000ULL) >> 1) | ((fieldA & 0xF8000000000000ULL) << 2) | ((fieldA & 0xF80000000000ULL) << 5); tmp = 0x8000000000000000ULL | ((fieldA & 0xF800000000000000ULL) >> 1) | ((fieldA & 0xF8000000000000ULL) << 2) | ((fieldA & 0xF80000000000ULL) << 5);
@ -416,10 +416,10 @@ int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
else else
// Tranlucid pixel, so set MSB to 0 and encode colors in ARGB3444 // Tranlucid pixel, so set MSB to 0 and encode colors in ARGB3444
tmp = tmp | ((fieldB & 0xE0ULL) << 7) | ((fieldB & 0xF0000000ULL) >> 20) | ((fieldB & 0xF00000ULL) >> 16) | ((fieldB & 0xF000ULL) >> 12); tmp = tmp | ((fieldB & 0xE0ULL) << 7) | ((fieldB & 0xF0000000ULL) >> 20) | ((fieldB & 0xF00000ULL) >> 16) | ((fieldB & 0xF000ULL) >> 12);
((PNGU_u64 *) buffer)[blockbase+2] = tmp; ((uint64_t *) buffer)[blockbase+2] = tmp;
fieldA = *((PNGU_u64 *)(ctx->row_pointers[y*4+3]+x*16)); fieldA = *((uint64_t *)(ctx->row_pointers[y*4+3]+x*16));
fieldB = *((PNGU_u64 *)(ctx->row_pointers[y*4+3]+x*16+8)); fieldB = *((uint64_t *)(ctx->row_pointers[y*4+3]+x*16+8));
if ((fieldA & 0xE000000000ULL) == 0xE000000000ULL) if ((fieldA & 0xE000000000ULL) == 0xE000000000ULL)
// Opaque pixel, so set MSB to 1 and encode colors in RGB555 // Opaque pixel, so set MSB to 1 and encode colors in RGB555
tmp = 0x8000000000000000ULL | ((fieldA & 0xF800000000000000ULL) >> 1) | ((fieldA & 0xF8000000000000ULL) << 2) | ((fieldA & 0xF80000000000ULL) << 5); tmp = 0x8000000000000000ULL | ((fieldA & 0xF800000000000000ULL) >> 1) | ((fieldA & 0xF8000000000000ULL) << 2) | ((fieldA & 0xF80000000000ULL) << 5);
@ -447,13 +447,13 @@ int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
else else
// Tranlucid pixel, so set MSB to 0 and encode colors in ARGB3444 // Tranlucid pixel, so set MSB to 0 and encode colors in ARGB3444
tmp = tmp | ((fieldB & 0xE0ULL) << 7) | ((fieldB & 0xF0000000ULL) >> 20) | ((fieldB & 0xF00000ULL) >> 16) | ((fieldB & 0xF000ULL) >> 12); tmp = tmp | ((fieldB & 0xE0ULL) << 7) | ((fieldB & 0xF0000000ULL) >> 20) | ((fieldB & 0xF00000ULL) >> 16) | ((fieldB & 0xF000ULL) >> 12);
((PNGU_u64 *) buffer)[blockbase+3] = tmp; ((uint64_t *) buffer)[blockbase+3] = tmp;
} }
} }
} }
else else
{ {
PNGU_u64 alphaMask; uint64_t alphaMask;
// No alpha channel present, copy image to the output buffer // No alpha channel present, copy image to the output buffer
default_alpha = (default_alpha >> 5); default_alpha = (default_alpha >> 5);
@ -462,39 +462,39 @@ int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
// The user wants an opaque texture, so set MSB to 1 and encode colors in RGB555 // The user wants an opaque texture, so set MSB to 1 and encode colors in RGB555
alphaMask = 0x8000800080008000ULL; alphaMask = 0x8000800080008000ULL;
for (PNGU_u32 y = 0; y < qheight; y++) for (uint32_t y = 0; y < qheight; y++)
{ {
for (PNGU_u32 x = 0; x < qwidth; x++) for (uint32_t x = 0; x < qwidth; x++)
{ {
int blockbase = (y * qwidth + x) * 4; int blockbase = (y * qwidth + x) * 4;
PNGU_u64 field64 = *((PNGU_u64 *)(ctx->row_pointers[y*4]+x*12)); uint64_t field64 = *((uint64_t *)(ctx->row_pointers[y*4]+x*12));
PNGU_u64 field32 = (PNGU_u64) *((PNGU_u32 *)(ctx->row_pointers[y*4]+x*12+8)); uint64_t field32 = (uint64_t) *((uint32_t *)(ctx->row_pointers[y*4]+x*12+8));
((PNGU_u64 *) buffer)[blockbase] = ((uint64_t *) buffer)[blockbase] =
alphaMask | ((field64 & 0xF800000000000000ULL) >> 1) | ((field64 & 0xF8000000000000ULL) << 2) | alphaMask | ((field64 & 0xF800000000000000ULL) >> 1) | ((field64 & 0xF8000000000000ULL) << 2) |
((field64 & 0xF80000000000ULL) << 5) | ((field64 & 0xF800000000ULL) << 7) | ((field64 & 0xF8000000ULL) << 10) | ((field64 & 0xF80000000000ULL) << 5) | ((field64 & 0xF800000000ULL) << 7) | ((field64 & 0xF8000000ULL) << 10) |
((field64 & 0xF80000ULL) << 13) | ((field64 & 0xF800ULL) << 15) | ((field64 & 0xF8ULL) << 18) | ((field64 & 0xF80000ULL) << 13) | ((field64 & 0xF800ULL) << 15) | ((field64 & 0xF8ULL) << 18) |
((field32 & 0xF8000000ULL) >> 11) | ((field32 & 0xF80000ULL) >> 9) | ((field32 & 0xF800ULL) >> 6) | ((field32 & 0xF8ULL) >> 3); ((field32 & 0xF8000000ULL) >> 11) | ((field32 & 0xF80000ULL) >> 9) | ((field32 & 0xF800ULL) >> 6) | ((field32 & 0xF8ULL) >> 3);
field64 = *((PNGU_u64 *)(ctx->row_pointers[y*4+1]+x*12)); field64 = *((uint64_t *)(ctx->row_pointers[y*4+1]+x*12));
field32 = (PNGU_u64) *((PNGU_u32 *)(ctx->row_pointers[y*4+1]+x*12+8)); field32 = (uint64_t) *((uint32_t *)(ctx->row_pointers[y*4+1]+x*12+8));
((PNGU_u64 *) buffer)[blockbase+1] = ((uint64_t *) buffer)[blockbase+1] =
alphaMask | ((field64 & 0xF800000000000000ULL) >> 1) | ((field64 & 0xF8000000000000ULL) << 2) | alphaMask | ((field64 & 0xF800000000000000ULL) >> 1) | ((field64 & 0xF8000000000000ULL) << 2) |
((field64 & 0xF80000000000ULL) << 5) | ((field64 & 0xF800000000ULL) << 7) | ((field64 & 0xF8000000ULL) << 10) | ((field64 & 0xF80000000000ULL) << 5) | ((field64 & 0xF800000000ULL) << 7) | ((field64 & 0xF8000000ULL) << 10) |
((field64 & 0xF80000ULL) << 13) | ((field64 & 0xF800ULL) << 15) | ((field64 & 0xF8ULL) << 18) | ((field64 & 0xF80000ULL) << 13) | ((field64 & 0xF800ULL) << 15) | ((field64 & 0xF8ULL) << 18) |
((field32 & 0xF8000000ULL) >> 11) | ((field32 & 0xF80000ULL) >> 9) | ((field32 & 0xF800ULL) >> 6) | ((field32 & 0xF8ULL) >> 3); ((field32 & 0xF8000000ULL) >> 11) | ((field32 & 0xF80000ULL) >> 9) | ((field32 & 0xF800ULL) >> 6) | ((field32 & 0xF8ULL) >> 3);
field64 = *((PNGU_u64 *)(ctx->row_pointers[y*4+2]+x*12)); field64 = *((uint64_t *)(ctx->row_pointers[y*4+2]+x*12));
field32 = (PNGU_u64) *((PNGU_u32 *)(ctx->row_pointers[y*4+2]+x*12+8)); field32 = (uint64_t) *((uint32_t *)(ctx->row_pointers[y*4+2]+x*12+8));
((PNGU_u64 *) buffer)[blockbase+2] = ((uint64_t *) buffer)[blockbase+2] =
alphaMask | ((field64 & 0xF800000000000000ULL) >> 1) | ((field64 & 0xF8000000000000ULL) << 2) | alphaMask | ((field64 & 0xF800000000000000ULL) >> 1) | ((field64 & 0xF8000000000000ULL) << 2) |
((field64 & 0xF80000000000ULL) << 5) | ((field64 & 0xF800000000ULL) << 7) | ((field64 & 0xF8000000ULL) << 10) | ((field64 & 0xF80000000000ULL) << 5) | ((field64 & 0xF800000000ULL) << 7) | ((field64 & 0xF8000000ULL) << 10) |
((field64 & 0xF80000ULL) << 13) | ((field64 & 0xF800ULL) << 15) | ((field64 & 0xF8ULL) << 18) | ((field64 & 0xF80000ULL) << 13) | ((field64 & 0xF800ULL) << 15) | ((field64 & 0xF8ULL) << 18) |
((field32 & 0xF8000000ULL) >> 11) | ((field32 & 0xF80000ULL) >> 9) | ((field32 & 0xF800ULL) >> 6) | ((field32 & 0xF8ULL) >> 3); ((field32 & 0xF8000000ULL) >> 11) | ((field32 & 0xF80000ULL) >> 9) | ((field32 & 0xF800ULL) >> 6) | ((field32 & 0xF8ULL) >> 3);
field64 = *((PNGU_u64 *)(ctx->row_pointers[y*4+3]+x*12)); field64 = *((uint64_t *)(ctx->row_pointers[y*4+3]+x*12));
field32 = (PNGU_u64) *((PNGU_u32 *)(ctx->row_pointers[y*4+3]+x*12+8)); field32 = (uint64_t) *((uint32_t *)(ctx->row_pointers[y*4+3]+x*12+8));
((PNGU_u64 *) buffer)[blockbase+3] = ((uint64_t *) buffer)[blockbase+3] =
alphaMask | ((field64 & 0xF800000000000000ULL) >> 1) | ((field64 & 0xF8000000000000ULL) << 2) | alphaMask | ((field64 & 0xF800000000000000ULL) >> 1) | ((field64 & 0xF8000000000000ULL) << 2) |
((field64 & 0xF80000000000ULL) << 5) | ((field64 & 0xF800000000ULL) << 7) | ((field64 & 0xF8000000ULL) << 10) | ((field64 & 0xF80000000000ULL) << 5) | ((field64 & 0xF800000000ULL) << 7) | ((field64 & 0xF8000000ULL) << 10) |
((field64 & 0xF80000ULL) << 13) | ((field64 & 0xF800ULL) << 15) | ((field64 & 0xF8ULL) << 18) | ((field64 & 0xF80000ULL) << 13) | ((field64 & 0xF800ULL) << 15) | ((field64 & 0xF8ULL) << 18) |
@ -506,42 +506,42 @@ int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
{ {
// The user wants a translucid texture, so set MSB to 0 and encode colors in ARGB3444 // The user wants a translucid texture, so set MSB to 0 and encode colors in ARGB3444
default_alpha = (default_alpha << 4); default_alpha = (default_alpha << 4);
alphaMask = (((PNGU_u64) default_alpha) << 56) | (((PNGU_u64) default_alpha) << 40) | alphaMask = (((uint64_t) default_alpha) << 56) | (((uint64_t) default_alpha) << 40) |
(((PNGU_u64) default_alpha) << 24) | (((PNGU_u64) default_alpha) << 8); (((uint64_t) default_alpha) << 24) | (((uint64_t) default_alpha) << 8);
for (PNGU_u32 y = 0; y < qheight; y++) for (uint32_t y = 0; y < qheight; y++)
{ {
for (PNGU_u32 x = 0; x < qwidth; x++) for (uint32_t x = 0; x < qwidth; x++)
{ {
int blockbase = (y * qwidth + x) * 4; int blockbase = (y * qwidth + x) * 4;
PNGU_u64 field64 = *((PNGU_u64 *)(ctx->row_pointers[y*4]+x*12)); uint64_t field64 = *((uint64_t *)(ctx->row_pointers[y*4]+x*12));
PNGU_u64 field32 = (PNGU_u64) *((PNGU_u32 *)(ctx->row_pointers[y*4]+x*12+8)); uint64_t field32 = (uint64_t) *((uint32_t *)(ctx->row_pointers[y*4]+x*12+8));
((PNGU_u64 *) buffer)[blockbase] = ((uint64_t *) buffer)[blockbase] =
alphaMask | ((field64 & 0xF000000000000000ULL) >> 4) | (field64 & 0xF0000000000000ULL) | ((field64 & 0xF00000000000ULL) << 4) | alphaMask | ((field64 & 0xF000000000000000ULL) >> 4) | (field64 & 0xF0000000000000ULL) | ((field64 & 0xF00000000000ULL) << 4) |
((field64 & 0xF000000000ULL) << 4) | ((field64 & 0xF0000000ULL) << 8) | ((field64 & 0xF00000ULL) << 12) | ((field64 & 0xF000000000ULL) << 4) | ((field64 & 0xF0000000ULL) << 8) | ((field64 & 0xF00000ULL) << 12) |
((field64 & 0xF000ULL) << 12) | ((field64 & 0xF0ULL) << 16) | ((field32 & 0xF0000000ULL) >> 12) | ((field64 & 0xF000ULL) << 12) | ((field64 & 0xF0ULL) << 16) | ((field32 & 0xF0000000ULL) >> 12) |
((field32 & 0xF00000ULL) >> 12) | ((field32 & 0xF000ULL) >> 8) | ((field32 & 0xF0ULL) >> 4); ((field32 & 0xF00000ULL) >> 12) | ((field32 & 0xF000ULL) >> 8) | ((field32 & 0xF0ULL) >> 4);
field64 = *((PNGU_u64 *)(ctx->row_pointers[y*4+1]+x*12)); field64 = *((uint64_t *)(ctx->row_pointers[y*4+1]+x*12));
field32 = (PNGU_u64) *((PNGU_u32 *)(ctx->row_pointers[y*4+1]+x*12+8)); field32 = (uint64_t) *((uint32_t *)(ctx->row_pointers[y*4+1]+x*12+8));
((PNGU_u64 *) buffer)[blockbase+1] = ((uint64_t *) buffer)[blockbase+1] =
alphaMask | ((field64 & 0xF000000000000000ULL) >> 4) | (field64 & 0xF0000000000000ULL) | ((field64 & 0xF00000000000ULL) << 4) | alphaMask | ((field64 & 0xF000000000000000ULL) >> 4) | (field64 & 0xF0000000000000ULL) | ((field64 & 0xF00000000000ULL) << 4) |
((field64 & 0xF000000000ULL) << 4) | ((field64 & 0xF0000000ULL) << 8) | ((field64 & 0xF00000ULL) << 12) | ((field64 & 0xF000000000ULL) << 4) | ((field64 & 0xF0000000ULL) << 8) | ((field64 & 0xF00000ULL) << 12) |
((field64 & 0xF000ULL) << 12) | ((field64 & 0xF0ULL) << 16) | ((field32 & 0xF0000000ULL) >> 12) | ((field64 & 0xF000ULL) << 12) | ((field64 & 0xF0ULL) << 16) | ((field32 & 0xF0000000ULL) >> 12) |
((field32 & 0xF00000ULL) >> 12) | ((field32 & 0xF000ULL) >> 8) | ((field32 & 0xF0ULL) >> 4); ((field32 & 0xF00000ULL) >> 12) | ((field32 & 0xF000ULL) >> 8) | ((field32 & 0xF0ULL) >> 4);
field64 = *((PNGU_u64 *)(ctx->row_pointers[y*4+2]+x*12)); field64 = *((uint64_t *)(ctx->row_pointers[y*4+2]+x*12));
field32 = (PNGU_u64) *((PNGU_u32 *)(ctx->row_pointers[y*4+2]+x*12+8)); field32 = (uint64_t) *((uint32_t *)(ctx->row_pointers[y*4+2]+x*12+8));
((PNGU_u64 *) buffer)[blockbase+2] = ((uint64_t *) buffer)[blockbase+2] =
alphaMask | ((field64 & 0xF000000000000000ULL) >> 4) | (field64 & 0xF0000000000000ULL) | ((field64 & 0xF00000000000ULL) << 4) | alphaMask | ((field64 & 0xF000000000000000ULL) >> 4) | (field64 & 0xF0000000000000ULL) | ((field64 & 0xF00000000000ULL) << 4) |
((field64 & 0xF000000000ULL) << 4) | ((field64 & 0xF0000000ULL) << 8) | ((field64 & 0xF00000ULL) << 12) | ((field64 & 0xF000000000ULL) << 4) | ((field64 & 0xF0000000ULL) << 8) | ((field64 & 0xF00000ULL) << 12) |
((field64 & 0xF000ULL) << 12) | ((field64 & 0xF0ULL) << 16) | ((field32 & 0xF0000000ULL) >> 12) | ((field64 & 0xF000ULL) << 12) | ((field64 & 0xF0ULL) << 16) | ((field32 & 0xF0000000ULL) >> 12) |
((field32 & 0xF00000ULL) >> 12) | ((field32 & 0xF000ULL) >> 8) | ((field32 & 0xF0ULL) >> 4); ((field32 & 0xF00000ULL) >> 12) | ((field32 & 0xF000ULL) >> 8) | ((field32 & 0xF0ULL) >> 4);
field64 = *((PNGU_u64 *)(ctx->row_pointers[y*4+3]+x*12)); field64 = *((uint64_t *)(ctx->row_pointers[y*4+3]+x*12));
field32 = (PNGU_u64) *((PNGU_u32 *)(ctx->row_pointers[y*4+3]+x*12+8)); field32 = (uint64_t) *((uint32_t *)(ctx->row_pointers[y*4+3]+x*12+8));
((PNGU_u64 *) buffer)[blockbase+3] = ((uint64_t *) buffer)[blockbase+3] =
alphaMask | ((field64 & 0xF000000000000000ULL) >> 4) | (field64 & 0xF0000000000000ULL) | ((field64 & 0xF00000000000ULL) << 4) | alphaMask | ((field64 & 0xF000000000000000ULL) >> 4) | (field64 & 0xF0000000000000ULL) | ((field64 & 0xF00000000000ULL) << 4) |
((field64 & 0xF000000000ULL) << 4) | ((field64 & 0xF0000000ULL) << 8) | ((field64 & 0xF00000ULL) << 12) | ((field64 & 0xF000000000ULL) << 4) | ((field64 & 0xF0000000ULL) << 8) | ((field64 & 0xF00000ULL) << 12) |
((field64 & 0xF000ULL) << 12) | ((field64 & 0xF0ULL) << 16) | ((field32 & 0xF0000000ULL) >> 12) | ((field64 & 0xF000ULL) << 12) | ((field64 & 0xF0ULL) << 16) | ((field32 & 0xF0000000ULL) >> 12) |
@ -560,15 +560,15 @@ int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
} }
// Coded by Tantric for WiiMC (http://www.wiimc.org) // Coded by Tantric for WiiMC (http://www.wiimc.org)
static inline PNGU_u32 coordsRGBA8(PNGU_u32 x, PNGU_u32 y, PNGU_u32 w) static inline uint32_t coordsRGBA8(uint32_t x, uint32_t y, uint32_t w)
{ {
return ((((y >> 2) * (w >> 2) + (x >> 2)) << 5) + ((y & 3) << 2) + (x & 3)) << 1; return ((((y >> 2) * (w >> 2) + (x >> 2)) << 5) + ((y & 3) << 2) + (x & 3)) << 1;
} }
// Coded by Tantric for WiiMC (http://www.wiimc.org) // Coded by Tantric for WiiMC (http://www.wiimc.org)
PNGU_u8 * PNGU_DecodeTo4x4RGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, int * dstWidth, int * dstHeight) uint8_t * PNGU_DecodeTo4x4RGBA8 (IMGCTX ctx, uint32_t width, uint32_t height, int * dstWidth, int * dstHeight)
{ {
PNGU_u8 default_alpha = 255; // default alpha value, which is used if the source image doesn't have an alpha channel. uint8_t default_alpha = 255; // default alpha value, which is used if the source image doesn't have an alpha channel.
int x, y, x2=0, y2=0; int x, y, x2=0, y2=0;
int xRatio = 0, yRatio = 0; int xRatio = 0, yRatio = 0;
@ -598,13 +598,16 @@ PNGU_u8 * PNGU_DecodeTo4x4RGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, in
int padWidth = newWidth; int padWidth = newWidth;
int padHeight = newHeight; int padHeight = newHeight;
if(padWidth%4) padWidth += (4-padWidth%4); if(padWidth%4)
if(padHeight%4) padHeight += (4-padHeight%4); padWidth += (4-padWidth%4);
if(padHeight%4)
padHeight += (4-padHeight%4);
int len = (padWidth * padHeight) << 2; int len = (padWidth * padHeight) << 2;
if(len%32) len += (32-len%32); if(len%32)
len += (32-len%32);
PNGU_u8 *dst = memalign (32, len); uint8_t *dst = memalign (32, len);
if(!dst) if(!dst)
return NULL; return NULL;
@ -670,10 +673,10 @@ PNGU_u8 * PNGU_DecodeTo4x4RGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, in
} }
// Coded by Tantric for libwiigui (https://github.com/dborth/libwiigui) // Coded by Tantric for libwiigui (https://github.com/dborth/libwiigui)
int PNGU_EncodeFromRGB (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride) int PNGU_EncodeFromRGB (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint32_t stride)
{ {
png_uint_32 rowbytes; png_uint_32 rowbytes;
PNGU_u32 y; uint32_t y;
// Erase from the context any readed info // Erase from the context any readed info
pngu_free_info (ctx); pngu_free_info (ctx);
@ -779,22 +782,22 @@ int PNGU_EncodeFromRGB (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffe
} }
// Coded by Tantric for libwiigui (https://github.com/dborth/libwiigui) // Coded by Tantric for libwiigui (https://github.com/dborth/libwiigui)
int PNGU_EncodeFromGXTexture (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride) int PNGU_EncodeFromGXTexture (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint32_t stride)
{ {
const unsigned char * ptr = (unsigned char*)buffer; const unsigned char * ptr = (unsigned char*)buffer;
unsigned char * tmpbuffer = (unsigned char *)malloc(width*height*3); unsigned char * tmpbuffer = (unsigned char *)malloc(width*height*3);
memset(tmpbuffer, 0, width*height*3); memset(tmpbuffer, 0, width*height*3);
for(PNGU_u32 y=0; y < height; y++) for(uint32_t y=0; y < height; y++)
{ {
const PNGU_u32 tmpy1 = y * 640*3; const uint32_t tmpy1 = y * 640*3;
const PNGU_u32 tmpy2 = y%4 << 2; const uint32_t tmpy2 = y%4 << 2;
const PNGU_u32 tmpyWid = (((y >> 2)<<4)*width); const uint32_t tmpyWid = (((y >> 2)<<4)*width);
for(PNGU_u32 x=0; x < width; x++) for(uint32_t x=0; x < width; x++)
{ {
const png_uint_32 offset = tmpyWid + ((x >> 2)<<6) + ((tmpy2+ x%4 ) << 1); const png_uint_32 offset = tmpyWid + ((x >> 2)<<6) + ((tmpy2+ x%4 ) << 1);
const PNGU_u32 tmpxy = x * 3 + tmpy1; const uint32_t tmpxy = x * 3 + tmpy1;
tmpbuffer[tmpxy ] = ptr[offset+1]; // R tmpbuffer[tmpxy ] = ptr[offset+1]; // R
tmpbuffer[tmpxy+1] = ptr[offset+32]; // G tmpbuffer[tmpxy+1] = ptr[offset+32]; // G
@ -808,20 +811,20 @@ int PNGU_EncodeFromGXTexture (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void
} }
// Coded by Crayon for GRRLIB (https://github.com/GRRLIB/GRRLIB) // Coded by Crayon for GRRLIB (https://github.com/GRRLIB/GRRLIB)
int PNGU_EncodeFromEFB (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, PNGU_u32 stride) int PNGU_EncodeFromEFB (IMGCTX ctx, uint32_t width, uint32_t height, uint32_t stride)
{ {
unsigned char * tmpbuffer = (unsigned char *)malloc(width*height*3); unsigned char * tmpbuffer = (unsigned char *)malloc(width*height*3);
memset(tmpbuffer, 0, width*height*3); memset(tmpbuffer, 0, width*height*3);
for(PNGU_u32 y=0; y < height; y++) for(uint32_t y=0; y < height; y++)
{ {
const PNGU_u32 tmpy = y * 640*3; const uint32_t tmpy = y * 640*3;
for(PNGU_u32 x=0; x < width; x++) for(uint32_t x=0; x < width; x++)
{ {
PNGU_u32 regval = 0xc8000000|(_SHIFTL(x,2,10)); uint32_t regval = 0xc8000000|(_SHIFTL(x,2,10));
regval = (regval&~0x3FF000)|(_SHIFTL(y,12,10)); regval = (regval&~0x3FF000)|(_SHIFTL(y,12,10));
const PNGU_u32 val = *(PNGU_u32*)regval; const uint32_t val = *(uint32_t*)regval;
const PNGU_u32 tmpxy = x * 3 + tmpy; const uint32_t tmpxy = x * 3 + tmpy;
tmpbuffer[tmpxy ] = _SHIFTR(val,16,8); // R tmpbuffer[tmpxy ] = _SHIFTR(val,16,8); // R
tmpbuffer[tmpxy+1] = _SHIFTR(val,8,8); // G tmpbuffer[tmpxy+1] = _SHIFTR(val,8,8); // G
tmpbuffer[tmpxy+2] = val&0xff; // B tmpbuffer[tmpxy+2] = val&0xff; // B
@ -834,10 +837,10 @@ int PNGU_EncodeFromEFB (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, PNGU_u32 st
} }
int PNGU_EncodeFromYCbYCr (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride) int PNGU_EncodeFromYCbYCr (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint32_t stride)
{ {
png_uint_32 rowbytes; png_uint_32 rowbytes;
PNGU_u32 x, y, buffWidth; uint32_t x, y, buffWidth;
// Erase from the context any readed info // Erase from the context any readed info
pngu_free_info (ctx); pngu_free_info (ctx);
@ -920,10 +923,10 @@ int PNGU_EncodeFromYCbYCr (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *bu
ctx->row_pointers[y] = ctx->img_data + (y * rowbytes); ctx->row_pointers[y] = ctx->img_data + (y * rowbytes);
for (x = 0; x < (width / 2); x++) for (x = 0; x < (width / 2); x++)
PNGU_YCbYCr_TO_RGB8 ( ((PNGU_u32 *)buffer)[y*buffWidth+x], PNGU_YCbYCr_TO_RGB8 ( ((uint32_t *)buffer)[y*buffWidth+x],
((PNGU_u8 *) ctx->row_pointers[y]+x*6), ((PNGU_u8 *) ctx->row_pointers[y]+x*6+1), ((uint8_t *) ctx->row_pointers[y]+x*6), ((uint8_t *) ctx->row_pointers[y]+x*6+1),
((PNGU_u8 *) ctx->row_pointers[y]+x*6+2), ((PNGU_u8 *) ctx->row_pointers[y]+x*6+3), ((uint8_t *) ctx->row_pointers[y]+x*6+2), ((uint8_t *) ctx->row_pointers[y]+x*6+3),
((PNGU_u8 *) ctx->row_pointers[y]+x*6+4), ((PNGU_u8 *) ctx->row_pointers[y]+x*6+5) ); ((uint8_t *) ctx->row_pointers[y]+x*6+4), ((uint8_t *) ctx->row_pointers[y]+x*6+5) );
} }
// Tell libpng where is our image data // Tell libpng where is our image data
@ -948,7 +951,7 @@ int PNGU_EncodeFromYCbYCr (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *bu
// This function is taken from a libogc example // This function is taken from a libogc example
PNGU_u32 PNGU_RGB8_TO_YCbYCr (PNGU_u8 r1, PNGU_u8 g1, PNGU_u8 b1, PNGU_u8 r2, PNGU_u8 g2, PNGU_u8 b2) uint32_t PNGU_RGB8_TO_YCbYCr (uint8_t r1, uint8_t g1, uint8_t b1, uint8_t r2, uint8_t g2, uint8_t b2)
{ {
const int y1 = (299 * r1 + 587 * g1 + 114 * b1) / 1000; const int y1 = (299 * r1 + 587 * g1 + 114 * b1) / 1000;
const int cb1 = (-16874 * r1 - 33126 * g1 + 50000 * b1 + 12800000) / 100000; const int cb1 = (-16874 * r1 - 33126 * g1 + 50000 * b1 + 12800000) / 100000;
@ -961,13 +964,13 @@ PNGU_u32 PNGU_RGB8_TO_YCbYCr (PNGU_u8 r1, PNGU_u8 g1, PNGU_u8 b1, PNGU_u8 r2, PN
const int cb = (cb1 + cb2) >> 1; const int cb = (cb1 + cb2) >> 1;
const int cr = (cr1 + cr2) >> 1; const int cr = (cr1 + cr2) >> 1;
return (PNGU_u32) ((y1 << 24) | (cb << 16) | (y2 << 8) | cr); return (uint32_t) ((y1 << 24) | (cb << 16) | (y2 << 8) | cr);
} }
void PNGU_YCbYCr_TO_RGB8 (PNGU_u32 ycbycr, PNGU_u8 *r1, PNGU_u8 *g1, PNGU_u8 *b1, PNGU_u8 *r2, PNGU_u8 *g2, PNGU_u8 *b2) void PNGU_YCbYCr_TO_RGB8 (uint32_t ycbycr, uint8_t *r1, uint8_t *g1, uint8_t *b1, uint8_t *r2, uint8_t *g2, uint8_t *b2)
{ {
const PNGU_u8 *val = (PNGU_u8 *) &ycbycr; const uint8_t *val = (uint8_t *) &ycbycr;
const int r = 1.371f * (val[3] - 128); const int r = 1.371f * (val[3] - 128);
const int g = - 0.698f * (val[3] - 128) - 0.336f * (val[1] - 128); const int g = - 0.698f * (val[3] - 128) - 0.336f * (val[1] - 128);
@ -1163,15 +1166,14 @@ int pngu_info (IMGCTX ctx)
} }
int pngu_decode (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, PNGU_u32 stripAlpha) int pngu_decode (IMGCTX ctx, uint32_t width, uint32_t height, uint32_t stripAlpha)
{ {
png_uint_32 rowbytes; png_uint_32 rowbytes;
int i;
// Read info if it hasn't been read before // Read info if it hasn't been read before
if (!ctx->infoRead) if (!ctx->infoRead)
{ {
i = pngu_info (ctx); const int i = pngu_info (ctx);
if (i != PNGU_OK) if (i != PNGU_OK)
return i; return i;
} }
@ -1223,7 +1225,7 @@ int pngu_decode (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, PNGU_u32 stripAlph
return PNGU_LIB_ERROR; return PNGU_LIB_ERROR;
} }
for (i = 0; i < ctx->prop.imgHeight; i++) for (uint32_t i = 0; i < ctx->prop.imgHeight; i++)
{ {
ctx->row_pointers[i] = ctx->img_data + (i * rowbytes); ctx->row_pointers[i] = ctx->img_data + (i * rowbytes);
} }

58
GRRLIB/lib/pngu/pngu.h
View file

@ -10,6 +10,8 @@ More info : http://frontier-dev.net
#ifndef __PNGU__ #ifndef __PNGU__
#define __PNGU__ #define __PNGU__
#include <stdint.h>
// Return codes // Return codes
#define PNGU_OK 0 #define PNGU_OK 0
#define PNGU_ODD_WIDTH 1 #define PNGU_ODD_WIDTH 1
@ -35,28 +37,22 @@ More info : http://frontier-dev.net
extern "C" { extern "C" {
#endif #endif
// Types
typedef unsigned char PNGU_u8;
typedef unsigned short PNGU_u16;
typedef unsigned int PNGU_u32;
typedef unsigned long long PNGU_u64;
typedef struct typedef struct
{ {
PNGU_u8 r; uint8_t r;
PNGU_u8 g; uint8_t g;
PNGU_u8 b; uint8_t b;
} PNGUCOLOR; } PNGUCOLOR;
typedef struct typedef struct
{ {
PNGU_u32 imgWidth; // In pixels uint32_t imgWidth; // In pixels
PNGU_u32 imgHeight; // In pixels uint32_t imgHeight; // In pixels
PNGU_u32 imgBitDepth; // In bitx uint32_t imgBitDepth; // In bitx
PNGU_u32 imgColorType; // PNGU_COLOR_TYPE_* uint32_t imgColorType; // PNGU_COLOR_TYPE_*
PNGU_u32 validBckgrnd; // Non zero if there is a background color uint32_t validBckgrnd; // Non zero if there is a background color
PNGUCOLOR bckgrnd; // Background color PNGUCOLOR bckgrnd; // Background color
PNGU_u32 numTrans; // Number of transparent colors uint32_t numTrans; // Number of transparent colors
PNGUCOLOR *trans; // Transparent colors PNGUCOLOR *trans; // Transparent colors
} PNGUPROP; } PNGUPROP;
@ -70,18 +66,18 @@ typedef struct _IMGCTX *IMGCTX;
****************************************************************************/ ****************************************************************************/
// Macro to convert RGB8 values to RGB565 // Macro to convert RGB8 values to RGB565
#define PNGU_RGB8_TO_RGB565(r,g,b) ( ((((PNGU_u16) r) & 0xF8U) << 8) | ((((PNGU_u16) g) & 0xFCU) << 3) | (((PNGU_u16) b) >> 3) ) #define PNGU_RGB8_TO_RGB565(r,g,b) ( ((((uint16_t) r) & 0xF8U) << 8) | ((((uint16_t) g) & 0xFCU) << 3) | (((uint16_t) b) >> 3) )
// Macro to convert RGBA8 values to RGB5A3 // Macro to convert RGBA8 values to RGB5A3
#define PNGU_RGB8_TO_RGB5A3(r,g,b,a) (PNGU_u16) (((a & 0xE0U) == 0xE0U) ? \ #define PNGU_RGB8_TO_RGB5A3(r,g,b,a) (uint16_t) (((a & 0xE0U) == 0xE0U) ? \
(0x8000U | ((((PNGU_u16) r) & 0xF8U) << 7) | ((((PNGU_u16) g) & 0xF8U) << 2) | (((PNGU_u16) b) >> 3)) : \ (0x8000U | ((((uint16_t) r) & 0xF8U) << 7) | ((((uint16_t) g) & 0xF8U) << 2) | (((uint16_t) b) >> 3)) : \
(((((PNGU_u16) a) & 0xE0U) << 7) | ((((PNGU_u16) r) & 0xF0U) << 4) | (((PNGU_u16) g) & 0xF0U) | ((((PNGU_u16) b) & 0xF0U) >> 4))) (((((uint16_t) a) & 0xE0U) << 7) | ((((uint16_t) r) & 0xF0U) << 4) | (((uint16_t) g) & 0xF0U) | ((((uint16_t) b) & 0xF0U) >> 4)))
// Function to convert two RGB8 values to YCbYCr // Function to convert two RGB8 values to YCbYCr
PNGU_u32 PNGU_RGB8_TO_YCbYCr (PNGU_u8 r1, PNGU_u8 g1, PNGU_u8 b1, PNGU_u8 r2, PNGU_u8 g2, PNGU_u8 b2); uint32_t PNGU_RGB8_TO_YCbYCr (uint8_t r1, uint8_t g1, uint8_t b1, uint8_t r2, uint8_t g2, uint8_t b2);
// Function to convert an YCbYCr to two RGB8 values. // Function to convert an YCbYCr to two RGB8 values.
void PNGU_YCbYCr_TO_RGB8 (PNGU_u32 ycbycr, PNGU_u8 *r1, PNGU_u8 *g1, PNGU_u8 *b1, PNGU_u8 *r2, PNGU_u8 *g2, PNGU_u8 *b2); void PNGU_YCbYCr_TO_RGB8 (uint32_t ycbycr, uint8_t *r1, uint8_t *g1, uint8_t *b1, uint8_t *r2, uint8_t *g2, uint8_t *b2);
/**************************************************************************** /****************************************************************************
@ -112,7 +108,7 @@ int PNGU_GetImageProperties (IMGCTX ctx, PNGUPROP *fileproperties);
// Expands selected image into an YCbYCr buffer. You need to specify context, image dimensions, // Expands selected image into an YCbYCr buffer. You need to specify context, image dimensions,
// destination address and stride in pixels (stride = buffer width - image width). // destination address and stride in pixels (stride = buffer width - image width).
int PNGU_DecodeToYCbYCr (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride); int PNGU_DecodeToYCbYCr (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint32_t stride);
// Macro for decoding an image inside a buffer at given coordinates. // Macro for decoding an image inside a buffer at given coordinates.
#define PNGU_DECODE_TO_COORDS_YCbYCr(ctx,coordX,coordY,imgWidth,imgHeight,bufferWidth,bufferHeight,buffer) \ #define PNGU_DECODE_TO_COORDS_YCbYCr(ctx,coordX,coordY,imgWidth,imgHeight,bufferWidth,bufferHeight,buffer) \
@ -122,7 +118,7 @@ int PNGU_DecodeToYCbYCr (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buff
// Expands selected image into a linear RGB565 buffer. You need to specify context, image dimensions, // Expands selected image into a linear RGB565 buffer. You need to specify context, image dimensions,
// destination address and stride in pixels (stride = buffer width - image width). // destination address and stride in pixels (stride = buffer width - image width).
int PNGU_DecodeToRGB565 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride); int PNGU_DecodeToRGB565 (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint32_t stride);
// Macro for decoding an image inside a buffer at given coordinates. // Macro for decoding an image inside a buffer at given coordinates.
#define PNGU_DECODE_TO_COORDS_RGB565(ctx,coordX,coordY,imgWidth,imgHeight,bufferWidth,bufferHeight,buffer) \ #define PNGU_DECODE_TO_COORDS_RGB565(ctx,coordX,coordY,imgWidth,imgHeight,bufferWidth,bufferHeight,buffer) \
@ -133,7 +129,7 @@ int PNGU_DecodeToRGB565 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buff
// Expands selected image into a linear RGBA8 buffer. You need to specify context, image dimensions, // Expands selected image into a linear RGBA8 buffer. You need to specify context, image dimensions,
// destination address, stride in pixels and default alpha value, which is used if the source image // destination address, stride in pixels and default alpha value, which is used if the source image
// doesn't have an alpha channel. // doesn't have an alpha channel.
int PNGU_DecodeToRGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride, PNGU_u8 default_alpha); int PNGU_DecodeToRGBA8 (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint32_t stride, uint8_t default_alpha);
// Macro for decoding an image inside a buffer at given coordinates. // Macro for decoding an image inside a buffer at given coordinates.
#define PNGU_DECODE_TO_COORDS_RGBA8(ctx,coordX,coordY,imgWidth,imgHeight,default_alpha,bufferWidth,bufferHeight,buffer) \ #define PNGU_DECODE_TO_COORDS_RGBA8(ctx,coordX,coordY,imgWidth,imgHeight,default_alpha,bufferWidth,bufferHeight,buffer) \
@ -143,23 +139,23 @@ int PNGU_DecodeToRGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffe
// Expands selected image into a 4x4 tiled RGB565 buffer. You need to specify context, image dimensions // Expands selected image into a 4x4 tiled RGB565 buffer. You need to specify context, image dimensions
// and destination address. // and destination address.
int PNGU_DecodeTo4x4RGB565 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer); int PNGU_DecodeTo4x4RGB565 (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer);
// Expands selected image into a 4x4 tiled RGB5A3 buffer. You need to specify context, image dimensions, // Expands selected image into a 4x4 tiled RGB5A3 buffer. You need to specify context, image dimensions,
// destination address and default alpha value, which is used if the source image doesn't have an alpha channel. // destination address and default alpha value, which is used if the source image doesn't have an alpha channel.
int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u8 default_alpha); int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint8_t default_alpha);
// Expands selected image into a 4x4 tiled RGBA8 buffer. You need to specify context, image dimensions, // Expands selected image into a 4x4 tiled RGBA8 buffer. You need to specify context, image dimensions,
// destination address. // destination address.
PNGU_u8 * PNGU_DecodeTo4x4RGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, int * dstWidth, int * dstHeight); uint8_t * PNGU_DecodeTo4x4RGBA8 (IMGCTX ctx, uint32_t width, uint32_t height, int * dstWidth, int * dstHeight);
// Encodes an YCbYCr image in PNG format and stores it in the selected device or memory buffer. You need to // Encodes an YCbYCr image in PNG format and stores it in the selected device or memory buffer. You need to
// specify context, image dimensions, destination address and stride in pixels (stride = buffer width - image width). // specify context, image dimensions, destination address and stride in pixels (stride = buffer width - image width).
int PNGU_EncodeFromYCbYCr (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride); int PNGU_EncodeFromYCbYCr (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint32_t stride);
int PNGU_EncodeFromRGB (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride); int PNGU_EncodeFromRGB (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint32_t stride);
int PNGU_EncodeFromGXTexture (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride); int PNGU_EncodeFromGXTexture (IMGCTX ctx, uint32_t width, uint32_t height, void *buffer, uint32_t stride);
int PNGU_EncodeFromEFB (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, PNGU_u32 stride); int PNGU_EncodeFromEFB (IMGCTX ctx, uint32_t width, uint32_t height, uint32_t stride);
// Macro for encoding an image stored into an YCbYCr buffer at given coordinates. // Macro for encoding an image stored into an YCbYCr buffer at given coordinates.
#define PNGU_ENCODE_TO_COORDS_YCbYCr(ctx,coordX,coordY,imgWidth,imgHeight,bufferWidth,bufferHeight,buffer) \ #define PNGU_ENCODE_TO_COORDS_YCbYCr(ctx,coordX,coordY,imgWidth,imgHeight,bufferWidth,bufferHeight,buffer) \