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Added support for SPR2, DGRP, and OBJf in the iff library and in iff2html.

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This commit is contained in:
Fatbag 2012-06-15 10:18:12 -05:00
parent bc978bfa0b
commit e51ce26db9
11 changed files with 647 additions and 90 deletions
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26
Tools/iff2html/image.c
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@ -23,7 +23,8 @@
#include <libpng/png.h>
#include "opngreduc.h"
int WritePNG(const char * OutName, const IFFChunk * ChunkData, const IFFSprite * Sprite, size_t * Width, size_t * Height){
int WritePNG(const char * OutName, const IFFChunk * ChunkData, int ZBuffer,
const IFFSprite * Sprite, size_t * Width, size_t * Height){
FILE * hFile;
png_structp png_ptr;
png_infop info_ptr;
@ -40,7 +41,7 @@ int WritePNG(const char * OutName, const IFFChunk * ChunkData, const IFFSprite *
/* BMP_ or FBMP chunk */
bmpheader_t BMPHeader;
if(!bmp_read_header(&BMPHeader, ChunkData->Data, ChunkData->Size - 76))
if(!bmp_read_header(&BMPHeader, ChunkData->Data, ChunkData->Size))
return 0;
Image.Data = malloc(BMPHeader.DecompressedSize);
@ -57,14 +58,16 @@ int WritePNG(const char * OutName, const IFFChunk * ChunkData, const IFFSprite *
/* SPR# or SPR2 sprite */
Image.Width = Sprite->Width;
Image.Height = Sprite->Height;
Image.Data = Sprite->BGRA32Data;
Image.Data = (!ZBuffer) ? Sprite->BGRA32Data : Sprite->ZBuffer;
/* Swap from BGR to RGB; this cannot be done with libpng when you use opng_reduce_image
** due to the state that it leaves png_ptr in */
for(i=0; i<Image.Width*Image.Height; i++){
uint8_t temp = Image.Data[i*4 + 0];
Image.Data[i*4 + 0] = Image.Data[i*4 + 2];
Image.Data[i*4 + 2] = temp;
if(!ZBuffer){
/* Swap from BGR to RGB; this cannot be done with libpng when you use opng_reduce_image
** due to the state that it leaves png_ptr in */
for(i=0; i<Image.Width*Image.Height; i++){
uint8_t temp = Image.Data[i*4 + 0];
Image.Data[i*4 + 0] = Image.Data[i*4 + 2];
Image.Data[i*4 + 2] = temp;
}
}
}
@ -74,7 +77,7 @@ int WritePNG(const char * OutName, const IFFChunk * ChunkData, const IFFSprite *
return 0;
}
for(i=0; i<Image.Height; i++)
row_pointers[i] = Image.Data + Image.Width*((ChunkData) ? 3*(Image.Height-i-1) : 4*i);
row_pointers[i] = Image.Data + Image.Width*((ChunkData) ? 3*(Image.Height-i-1) : ((!ZBuffer)?4:1)*i);
/****
** PNG handling
@ -118,7 +121,8 @@ int WritePNG(const char * OutName, const IFFChunk * ChunkData, const IFFSprite *
png_set_compression_window_bits(png_ptr, 15);
png_set_compression_buffer_size(png_ptr, 32768);
png_set_IHDR(png_ptr, info_ptr, Image.Width, Image.Height, 8, ChunkData ? PNG_COLOR_TYPE_RGB : PNG_COLOR_TYPE_RGB_ALPHA,
png_set_IHDR(png_ptr, info_ptr, Image.Width, Image.Height, 8,
ChunkData ? PNG_COLOR_TYPE_RGB : (!ZBuffer) ? PNG_COLOR_TYPE_RGB_ALPHA : PNG_COLOR_TYPE_GRAY,
PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
png_set_rows(png_ptr, info_ptr, row_pointers);