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GNU GENERAL PUBLIC LICENSE
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# img2tim
An Image to PlayStation TIM File Converter
This tool converts almost any image file into a PlayStation TIM image file for PlayStation homebrew development. Uses the FreeImage library for loading image files of almost any file format.
# Features
- Uses the same argument format used in bmp2tim.
- Supports alpha channel (if available) with threshold control as transparency mask.
- Color-key and index-key transparency masking.
- RGB to color-index image conversion (currently very basic).

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img2tim.cbp Normal file
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<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<CodeBlocks_project_file>
<FileVersion major="1" minor="6" />
<Project>
<Option title="img2tim" />
<Option pch_mode="2" />
<Option compiler="gcc" />
<Build>
<Target title="Release">
<Option output="img2tim" prefix_auto="1" extension_auto="1" />
<Option object_output="obj/" />
<Option type="1" />
<Option compiler="gcc" />
<Compiler>
<Add option="-O2" />
</Compiler>
<Linker>
<Add option="-s" />
</Linker>
</Target>
</Build>
<Compiler>
<Add option="-Wall" />
</Compiler>
<Linker>
<Add library="libfreeimage" />
</Linker>
<Unit filename="main.cpp" />
<Unit filename="tim.cpp" />
<Unit filename="tim.h">
<Option target="&lt;{~None~}&gt;" />
</Unit>
<Extensions>
<code_completion />
<debugger />
<envvars />
</Extensions>
</Project>
</CodeBlocks_project_file>

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img2tim.depend Normal file
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# depslib dependency file v1.0
1458085464 source:c:\documents and settings\lameguy64\desktop\projects\img2tim\main.cpp
<stdio.h>
<string.h>
<ctype.h>
<math.h>
<unistd.h>
<windows.h>
"freeimage/freeimage.h"
"tim.h"
1395229970 c:\documents and settings\lameguy64\desktop\projects\img2tim\freeimage\freeimage.h
<wchar.h>
<inttypes.h>
1425871288 c:\documents and settings\lameguy64\desktop\projects\img2tim\libtim\libtim.cpp
1430448034 c:\documents and settings\lameguy64\desktop\projects\img2tim\tim.cpp
1459050299 source:c:\users\lameguy64\desktop\projects\img2tim\main.cpp
<stdio.h>
<string.h>
<ctype.h>
<math.h>
<unistd.h>
<windows.h>
<freeimage.h>
"tim.h"
1395229970 c:\users\lameguy64\desktop\projects\img2tim\freeimage\freeimage.h
<wchar.h>
<inttypes.h>
1446696616 c:\users\lameguy64\desktop\projects\img2tim\tim.cpp
1446768380 c:\users\lameguy64\desktop\projects\img2tim\tim.h
<stdio.h>
<windows.h>
<math.h>
1446768874 source:c:\users\lameguy64\desktop\projects\img2tim\tim.cpp
"tim.h"
1446768876 source:c:\documents and settings\lameguy64\desktop\projects\img2tim\tim.cpp
"tim.h"
1446768382 c:\documents and settings\lameguy64\desktop\projects\img2tim\tim.h
<stdio.h>
<windows.h>
<math.h>

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img2tim.layout Normal file
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<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<CodeBlocks_layout_file>
<ActiveTarget name="Release" />
<File name="tim.h" open="0" top="0" tabpos="2" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
<Cursor>
<Cursor1 position="325" topLine="0" />
</Cursor>
</File>
<File name="main.cpp" open="1" top="1" tabpos="1" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
<Cursor>
<Cursor1 position="639" topLine="0" />
</Cursor>
</File>
<File name="tim.cpp" open="0" top="0" tabpos="3" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
<Cursor>
<Cursor1 position="1388" topLine="0" />
</Cursor>
</File>
</CodeBlocks_layout_file>

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img2tim.txt Normal file
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img2tim by Lameguy64 of Meido-Tek Productions
This tool converts almost any image file supported by FreeImage into a PlayStation standard TIM
texture image file. Made to replace the bmp2tim tool that came with the PsyQ SDK with additional
features not present in the original program.
The program itself is still a work in progress but its complete enough as a usable tool.
Alpha-blending options and better color-index conversion have yet to be implemented.
Option Details:
-b - Set semi-transparent bit on fully black pixels (ignored when -usealpha is specified).
If the semi-transparent bit on fully black pixels (R0 G0 B0) is set, the pixel will
be drawn opaque instead of transparent as fully black is treated by the PlayStation
as the transparent color by default.
-t - Set semi-transparent bit on non fully black pixels.
This basically enables the output image to be drawn as semi-transparent since
semi-transparency is only applied to pixels with the semi-transparency bit set.
If the bit is not set, the pixel is always drawn opaque unless its a fully
black pixel.
-org < x y > - Specifies the VRAM offset of the image.
Keep in mind that the width of the converted tim image may vary from the original
image's resolution depending on its color depth. 16-bit has no difference, 8-bit is
1/2 of the original and 4-bit is about 1/4 of the original. No offset checking is
done so its recommended to check the resulting tim file with timtool.
-plt < x y > - Specifies the VRAM offset of the CLUT.
CLUTs are usually 256x1 for 8-bit tims or 16x1 for 4-bit tims. No offset checking is
done so its recommended to check the resulting tim file with timtool.
-o < outFile > - Sets the name of the output file.
-usealpha - Use the alpha channel (if available) as a transparency mask.
Most useful when working with png image files that have an alpha channel and tools
that utilize it, the alpha channel is used as a transparency mask when converting an
image with an alpha channel.
-alpt < value > - Specifies the threshold value when using the alpha channel as a transparency mask.
If the alpha value of the pixel is less than the threshold (default: 127), the pixel
will be converted as transparent (pixel color replaced to fully black) and opaque if
above the threshold (pixel color intact).
-tindex < col > - Specify color index to be treated as transparent.
This option only applies to images that are 4-bit/8-bit palletized. Any pixel that has
the same color-index specified will be made transparent.
-tcol < r g b > - Specify RGB color value to be transparent.
Applies to both non-color index and color index images. Any pixel with a matching color
specified will be made transparent (replaced to fully black).
-bpp < bpp > - Specify the color depth for the output TIM file.
Currently, a simple color-search algorithm is used when converting images from non-indexed
color depths (24-bit/16-bit) to 8-bit or 4-bit and will fail if more than 256 colors are
found.
Supported output color depths: 4, 8, 16, 24

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#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#include <unistd.h>
#include <windows.h>
#include <freeimage.h>
#include "tim.h"
#define VERSION "0.60"
namespace param {
char InputFile[MAX_PATH] = { 0 };
char OutputFile[MAX_PATH] = { 0 };
int BlackTrans = false; // Make black pixels transparent (STP bit off)
int ColorTrans = false; // Make non-black pixels translucent (STP bit on)
int UseAlphaMask = false; // Use alpha channel as transparency mask
int AlphaThresh = 127; // Alpha mask threshold
int TransColR = -1;
int TransColG = -1;
int TransColB = -1;
int TransCol = -1;
int OutputBpp = -1;
tim::PARAM tim = { 0 };
}
typedef struct {
int fmt; // 0 - 32-bit RGBA, 1 - 8-bit palletized, 2 - 4-bit palletized
short w,h;
void *pixels;
short numCols;
void *colors;
} IMGPARAM;
void ConvertImageToTim(IMGPARAM image, tim::PARAM* tim);
int SimpleQuantize(tim::PARAM* tim, int bitDepth);
int LoadImagePixels(const char* fileName, IMGPARAM* image, bool makeRGBA);
void FreeImageStruct(IMGPARAM* image);
int main(int argc, char *argv[]) {
FreeImage_Initialise(false);
printf("img2tim v%s - Converts most image files into PlayStation TIM files\n", VERSION);
printf("2016 Meido-Tek Productions (Lameguy64/TheCodingBrony)\n");
printf("Powered by FreeImage v%s\n\n", FreeImage_GetVersion());
// Print banner if no arguments were passed
if (argc <= 1) {
printf("Syntax:\n");
printf(" img2tim [options] [-o <outName>] <inFile>\n\n");
printf("Options:\n");
printf(" -b - Sets semi-transparent bit on fully black pixels\n");
printf(" (ignored when -usealpha is specified).\n");
printf(" -t - Set semi-transparent bit on non fully black pixels.\n");
printf(" -org <x y> - Specifies the VRAM offset of the image (Default: 640 0).\n");
printf(" -plt <x y> - Specifies the VRAM offset of the CLUT (Default: 0 480).\n");
printf(" -o <outFile> - Sets the name of the output file (Default: <inFile>.tim).\n");
printf("\nExtra options:\n");
printf(" -usealpha - Use alpha channel (if available) as transparency mask.\n");
printf(" -alpt <value> - Threshold value when alpha channel is used as transparency\n");
printf(" mask (Default: 127).\n");
printf(" -tindex <col> - Specify color index to be treated as transparent (ignored on\n");
printf(" non palletized images).\n");
printf(" -tcol <r g b> - Specify RGB color value to be treated as transparent.\n");
printf(" -bpp <bpp> - Specify color depth for the output TIM file\n");
printf(" (Default: Color depth of source image, 24 is never default).\n");
/*
printf(" -tc <r g b> - Specify color to be treated as transparent.\n");
printf(" -bc <r g b> - Specify blending color when converting alpha-blended pixels.\n");
printf(" -bg <r g b> - Specifies a background color for images with an alpha channel.\n");
printf(" -tc <r g b> - Sepecifies the color to be treated as transparent.\n");
printf(" -qm <method> - Sets the quantization method used for generating a CLUT when\n");
printf(" converting true-color images to 4-bit/8-bit.\n");
printf(" 0 - Simple 'color search' quantization (default)\n");
printf(" 1 - Median-cut quantization\n");
printf(" 2 - Median-cut quantization with dithering\n");
*/
printf("\nFor more info, please read img2tim.txt.\n");
return(0);
}
param::tim.imgXoffs = 640;
param::tim.imgYoffs = 0;
param::tim.clutXoffs = 0;
param::tim.clutYoffs = 480;
// Parse arguments
for(int i=1; i<argc; i++) {
char* arg = strdup(argv[i]);
for(int c=0; arg[c] != 0x00; c++)
arg[c] = tolower(arg[c]);
if (strcmp(arg, "-b") == 0) {
param::BlackTrans = true;
} else if (strcmp(arg, "-t") == 0) {
param::ColorTrans = true;
} else if (strcmp(arg, "-o") == 0) {
strcpy(param::OutputFile, argv[i+1]);
i++;
} else if (strcmp(arg, "-org") == 0) {
param::tim.imgXoffs = atoi(argv[i+1]);
param::tim.imgYoffs = atoi(argv[i+2]);
i += 2;
} else if (strcmp(arg, "-plt") == 0) {
param::tim.clutXoffs = atoi(argv[i+1]);
param::tim.clutYoffs = atoi(argv[i+2]);
i += 2;
} else if (strcmp(arg, "-usealpha") == 0) {
param::UseAlphaMask = true;
} else if (strcmp(arg, "-alpt") == 0) {
param::AlphaThresh = atoi(argv[i+1]);
i++;
} else if (strcmp(arg, "-tcol") == 0) {
param::TransColR = atoi(argv[i+1]);
i++;
param::TransColG = atoi(argv[i+1]);
i++;
param::TransColB = atoi(argv[i+1]);
i++;
} else if (strcmp(arg, "-tindex") == 0) {
param::TransCol = atoi(argv[i+1]);
i++;
} else if (strcmp(arg, "-bpp") == 0) {
param::OutputBpp = atoi(argv[i+1]);
if (!((param::OutputBpp == 4) || (param::OutputBpp == 8) || (param::OutputBpp == 16) || (param::OutputBpp == 24))) {
printf("Invalid color depth value specified.\n");
exit(1);
}
i++;
} else if (arg[0] == '-') {
printf("Unknown parameter: %s\n", argv[i]);
free(arg);
exit(1);
} else {
strcpy(param::InputFile, argv[i]);
}
free(arg);
}
// Check if an input file name is present
if (strlen(param::InputFile) == 0) {
printf("No input file specified.\n");
exit(1);
}
// Check and generate an output filename when necessary
if (strlen(param::OutputFile) == 0) {
if (strrchr(param::InputFile, '.') == NULL) {
printf("Cannot generate output filename, input has no extension.\n");
exit(1);
}
strcpy(param::OutputFile, param::InputFile);
strcpy(strrchr(param::OutputFile, '.'), ".tim");
}
printf("Input File : %s\n", param::InputFile);
printf("Output File : %s\n", param::OutputFile);
IMGPARAM image;
printf("Output Bpp : ");
if (param::OutputBpp == -1) {
if (!LoadImagePixels(param::InputFile, &image, false)) {
return(EXIT_FAILURE);
}
printf("Input Bpp (");
if (image.fmt == 0)
printf("24");
else if (image.fmt == 1)
printf("8");
else if (image.fmt == 2)
printf("4");
printf(")\n\n");
ConvertImageToTim(image, &param::tim);
} else {
printf("%d\n\n", param::OutputBpp);
if (!LoadImagePixels(param::InputFile, &image, true)) {
return(EXIT_FAILURE);
}
ConvertImageToTim(image, &param::tim);
if (param::OutputBpp <= 8) {
if (!SimpleQuantize(&param::tim, param::OutputBpp)) {
tim::FreeParam(&param::tim);
FreeImageStruct(&image);
exit(1);
}
}
}
tim::ExportFile(param::OutputFile, &param::tim);
tim::FreeParam(&param::tim);
FreeImageStruct(&image);
printf("Converted successfully...\n\n");
return(0);
}
void ConvertImageToTim(IMGPARAM image, tim::PARAM* tim) {
if (image.fmt == 0) {
if (param::OutputBpp == 24) { // Convert image from 32-bit RGBA to 24-bit RGB
tim->imgData = malloc(3*(image.w*image.h));
for(short py=0; py<image.h; py++) {
for(short px=0; px<image.w; px++) {
u_char r = ((u_char*)image.pixels)[4*(px+(image.w*py))];
u_char g = ((u_char*)image.pixels)[(4*(px+(image.w*py)))+1];
u_char b = ((u_char*)image.pixels)[(4*(px+(image.w*py)))+2];
((tim::PIX_RGB24*)tim->imgData)[px+(image.w*py)].r = r;
((tim::PIX_RGB24*)tim->imgData)[px+(image.w*py)].g = g;
((tim::PIX_RGB24*)tim->imgData)[px+(image.w*py)].b = b;
}
}
tim->format = 3;
tim->imgWidth = image.w;
tim->imgHeight = image.h;
} else { // Convert image from 32-bit RGBA to 16-bit RGBi
tim->imgData = malloc(2*(image.w*image.h));
for(short py=0; py<image.h; py++) {
for(short px=0; px<image.w; px++) {
u_char r = ((u_char*)image.pixels)[4*(px+(image.w*py))];
u_char g = ((u_char*)image.pixels)[(4*(px+(image.w*py)))+1];
u_char b = ((u_char*)image.pixels)[(4*(px+(image.w*py)))+2];
u_char a = ((u_char*)image.pixels)[(4*(px+(image.w*py)))+3];
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].r = r/8;
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].g = g/8;
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].b = b/8;
if (param::UseAlphaMask == false) {
// For fully-black pixels
if ((r == 0) && (g == 0) && (b == 0)) {
if (param::BlackTrans)
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].i = 1;
else
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].i = 0;
// For non-fully black pixels
} else {
if (param::ColorTrans)
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].i = 1;
else
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].i = 0;
}
} else {
if ((r == 0) && (g == 0) && (b == 0)) {
if (a >= param::AlphaThresh)
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].i = 1;
else
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].i = 0;
} else {
if (a < param::AlphaThresh) {
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].r = 0;
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].g = 0;
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].b = 0;
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].i = 0;
} else {
if (param::ColorTrans)
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].i = 1;
else
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].i = 0;
}
}
}
if ((param::TransColR == r) && (param::TransColG == g) && (param::TransColB == b)) {
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].r = 0;
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].g = 0;
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].b = 0;
((tim::PIX_RGB5*)tim->imgData)[px+(image.w*py)].i = 0;
}
}
}
tim->format = 2;
tim->imgWidth = image.w;
tim->imgHeight = image.h;
}
} else if (image.fmt == 1) { // Convert 8-bit palletized
if ((image.w%2) != 0)
printf("WARNING: Image width is not a multiple of 2, output may be broken.\n");
tim->clutData = malloc(2*256);
tim->clutWidth = 256;
tim->clutHeight = 1;
for(short c=0; c<256; c++) {
u_char r = ((RGBQUAD*)image.colors)[c].rgbRed;
u_char g = ((RGBQUAD*)image.colors)[c].rgbGreen;
u_char b = ((RGBQUAD*)image.colors)[c].rgbBlue;
if (param::TransCol == -1) {
if ((param::TransColR == r) && (param::TransColG == g) && (param::TransColB == b)) {
param::TransCol = c;
}
}
if (c != param::TransCol) {
((tim::PIX_RGB5*)tim->clutData)[c].r = r/8;
((tim::PIX_RGB5*)tim->clutData)[c].g = g/8;
((tim::PIX_RGB5*)tim->clutData)[c].b = b/8;
// For fully-black pixels
if ((r == 0) && (g == 0) && (b == 0)) {
if (param::BlackTrans)
((tim::PIX_RGB5*)tim->clutData)[c].i = 1;
else
((tim::PIX_RGB5*)tim->clutData)[c].i = 0;
// For non-fully black pixels
} else {
if (param::ColorTrans)
((tim::PIX_RGB5*)tim->clutData)[c].i = 1;
else
((tim::PIX_RGB5*)tim->clutData)[c].i = 0;
}
} else {
((tim::PIX_RGB5*)tim->clutData)[c].r = 0;
((tim::PIX_RGB5*)tim->clutData)[c].g = 0;
((tim::PIX_RGB5*)tim->clutData)[c].b = 0;
((tim::PIX_RGB5*)tim->clutData)[c].i = 0;
}
}
tim->imgData = malloc(image.w*image.h);
for(short py=0; py<image.h; py++) {
memcpy(&((u_char*)tim->imgData)[image.w*py], &((u_char*)image.pixels)[image.w*py], image.w);
}
tim->format = 1;
tim->imgWidth = image.w;
tim->imgHeight = image.h;
} else if (image.fmt == 2) { // Convert image for 4-bit TIM
if ((image.w%4) != 0)
printf("WARNING: Image width is not a multiple of 4, output may be broken.\n");
tim->clutData = malloc(2*16);
tim->clutWidth = 16;
tim->clutHeight = 1;
for(short c=0; c<16; c++) {
u_char r = ((RGBQUAD*)image.colors)[c].rgbRed;
u_char g = ((RGBQUAD*)image.colors)[c].rgbGreen;
u_char b = ((RGBQUAD*)image.colors)[c].rgbBlue;
if (param::TransCol == -1) {
if ((param::TransColR == r) && (param::TransColG == g) && (param::TransColB == b)) {
param::TransCol = c;
}
}
if (c != param::TransCol) {
((tim::PIX_RGB5*)tim->clutData)[c].r = r/8;
((tim::PIX_RGB5*)tim->clutData)[c].g = g/8;
((tim::PIX_RGB5*)tim->clutData)[c].b = b/8;
// For fully-black pixels
if ((r == 0) && (g == 0) && (b == 0)) {
if (param::BlackTrans)
((tim::PIX_RGB5*)tim->clutData)[c].i = 1;
else
((tim::PIX_RGB5*)tim->clutData)[c].i = 0;
// For non-fully black pixels
} else {
if (param::ColorTrans)
((tim::PIX_RGB5*)tim->clutData)[c].i = 1;
else
((tim::PIX_RGB5*)tim->clutData)[c].i = 0;
}
} else {
((tim::PIX_RGB5*)tim->clutData)[c].r = 0;
((tim::PIX_RGB5*)tim->clutData)[c].g = 0;
((tim::PIX_RGB5*)tim->clutData)[c].b = 0;
((tim::PIX_RGB5*)tim->clutData)[c].i = 0;
}
}
tim->imgData = malloc((image.w/2)*image.h);
for(short py=0; py<image.h; py++) {
memcpy(&((u_char*)tim->imgData)[(image.w/2)*py], &((u_char*)image.pixels)[(image.w/2)*py], image.w/2);
}
tim->format = 0;
tim->imgWidth = image.w;
tim->imgHeight = image.h;
}
}
int SimpleQuantize(tim::PARAM* tim, int bitDepth) {
u_short colTable[256] = { 0 };
int diffColors = 0;
bool newCol = true;
if (bitDepth == 8) {
if ((tim->imgWidth%2) != 0)
printf("WARNING: Image width is not a multiple of 2, output may be broken.\n");
} else {
if ((tim->imgWidth%4) != 0)
printf("WARNING: Image width is not a multiple of 4, output may be broken.\n");
}
for(int py=0; py<tim->imgHeight; py++) {
for(int px=0; px<tim->imgWidth; px++) {
u_short pix = ((u_short*)tim->imgData)[px+(tim->imgWidth*py)];
for(short c=0; c<diffColors; c++) {
if (colTable[c] == pix) {
newCol = false;
break;
} else {
newCol = true;
}
}
if (newCol) {
if (bitDepth == 8) {
if (diffColors >= 255) {
printf("ERROR: More than 256 colors found in image.\n");
return(0);
}
} else {
if (diffColors >= 16) {
printf("ERROR: More than 16 colors found in image.\n");
return(0);
}
}
colTable[diffColors] = pix;
diffColors++;
newCol = false;
}
}
}
u_short* srcImage = (u_short*)tim->imgData;
if (bitDepth == 8) {
tim->imgData = malloc(tim->imgWidth*tim->imgHeight);
for(int py=0; py<tim->imgHeight; py++) {
for(int px=0; px<tim->imgWidth; px++) {
u_short pix = srcImage[px+(tim->imgWidth*py)];
short index;
for(index=0; index<diffColors; index++) {
if (pix == colTable[index])
break;
}
if (index < diffColors) {
((u_char*)tim->imgData)[px+(tim->imgWidth*py)] = index;
}
}
}
} else {
tim->imgData = malloc((tim->imgWidth/2)*tim->imgHeight);
for(int py=0; py<tim->imgHeight; py++) {
for(int px=0; px<tim->imgWidth; px++) {
u_short pix = srcImage[px+(tim->imgWidth*py)];
short index;
for(index=0; index<diffColors; index++) {
if (pix == colTable[index])
break;
}
if (index < diffColors) {
if ((px%2) == 0) {
((u_char*)tim->imgData)[(px/2)+((tim->imgWidth/2)*py)] = index;
} else {
((u_char*)tim->imgData)[(px/2)+((tim->imgWidth/2)*py)] |= index<<4;
}
}
}
}
}
free(srcImage);
if (bitDepth == 8) {
tim->clutData = malloc(2*256);
memcpy(tim->clutData, colTable, 2*256);
tim->clutWidth = 256;
} else {
tim->clutData = malloc(2*16);
memcpy(tim->clutData, colTable, 2*16);
tim->clutWidth = 16;
}
tim->clutHeight = 1;
if (bitDepth == 8) {
tim->format = 1;
} else {
tim->format = 0;
}
return(1);
}
int LoadImagePixels(const char* fileName, IMGPARAM* image, bool makeRGBA) {
// Check if file exists
if (access(fileName, F_OK) == -1) {
printf("ERROR: File not found.\n");
return(0);
}
// Determine format of input file
FREE_IMAGE_FORMAT fif = FreeImage_GetFileType(fileName, 0);
if (fif == FIF_UNKNOWN) {
fif = FreeImage_GetFIFFromFilename(fileName);
if (!FreeImage_FIFSupportsReading(fif)) {
printf("ERROR: Unknown/unsupported image format.\n");
return(0);
}
}
// Load the input image
FIBITMAP *srcImage = FreeImage_Load(fif, fileName, 0);
if (srcImage == NULL) {
printf("ERROR: Cannot load specified image file.\n");
return(0);
}
// Some checks to make sure that the image is really valid
if (!FreeImage_HasPixels(srcImage)) {
printf("ERROR: Source image has no pixel data... Somehow.\n");
return(0);
}
if ((makeRGBA) || (FreeImage_GetBPP(srcImage) == 24) || ((FreeImage_GetBPP(srcImage) > 32))) {
// Convert to RGBA32 for 16-bit and 24-bit exports
FIBITMAP *tempImage;
// Just to make things simpler, convert pixels to RGB32 when it is not palletized
tempImage = FreeImage_ConvertTo32Bits(srcImage);
if (tempImage == NULL) {
printf("ERROR: Could not convert image to RGBA32 for conversion.\n");
FreeImage_Unload(srcImage);
return(0);
}
FreeImage_Unload(srcImage);
srcImage = tempImage;
}
switch(FreeImage_GetBPP(srcImage)) {
case 32: // 32-bit images
image->fmt = 0;
image->w = FreeImage_GetWidth(srcImage);
image->h = FreeImage_GetHeight(srcImage);
image->numCols = 0;
image->colors = NULL;
image->pixels = malloc(4*(image->w*image->h));
for(short py=0; py<image->h; py++) {
void* pixels = FreeImage_GetScanLine(srcImage, (image->h-py)-1);
memcpy(&((u_int*)image->pixels)[image->w*py], pixels, 4*image->w);
for(short p=0; p<image->w; p++) {
u_char* pix = (u_char*)&((u_int*)image->pixels)[ p+(image->w*py) ];
u_char t;
t = pix[0];
pix[0] = pix[2];
pix[2] = t;
}
}
break;
case 8: // 8-bit palletized
image->fmt = 1;
image->w = FreeImage_GetWidth(srcImage);
image->h = FreeImage_GetHeight(srcImage);
image->numCols = 256;
image->colors = malloc(4*256);
memcpy(image->colors, FreeImage_GetPalette(srcImage), 4*256);
image->pixels = malloc(image->w*image->h);
for(short py=0; py<image->h; py++) {
void* pixels = FreeImage_GetScanLine(srcImage, (image->h-py)-1);
memcpy(&((u_char*)image->pixels)[image->w*py], pixels, image->w);
}
break;
case 4: // 4-bit palletized
image->fmt = 2;
image->w = FreeImage_GetWidth(srcImage);
image->h = FreeImage_GetHeight(srcImage);
image->numCols = 16;
image->colors = malloc(4*16);
memcpy(image->colors, FreeImage_GetPalette(srcImage), 4*16);
image->pixels = malloc((image->w/2)*image->h);
for(short py=0; py<image->h; py++) {
void* pixels = FreeImage_GetScanLine(srcImage, (image->h-py)-1);
memcpy(&((u_char*)image->pixels)[(image->w/2)*py], pixels, image->w/2);
}
break;
default:
printf("ERROR: Unsupported color depth: %dbpp", FreeImage_GetBPP(srcImage));
FreeImage_Unload(srcImage);
return(0);
}
// Unload source image
FreeImage_Unload(srcImage);
return(1);
}
void FreeImageStruct(IMGPARAM* image) {
if (image->pixels != NULL) {
free(image->pixels);
image->pixels = NULL;
}
if (image->colors != NULL) {
free(image->colors);
image->colors = NULL;
}
}

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#include "tim.h"
int tim::ExportFile(const char* fileName, tim::PARAM *param) {
FILE *fp;
if (!(fp = fopen(fileName, "wb"))) {
return(-1);
}
tim::HEADER fileHead={{0}};
tim::CLUT_HEAD clutHead={0};
tim::IMG_HEAD imgHead={0};
// Prepare header
fileHead.id.id = 0x10;
fileHead.id.ver = 0;
fileHead.flags.pmode = param->format;
// Prepare CLUT data block if image is 8-bit or less and that the pointer to the CLUT data is not NULL
if ((param->format <= 1) && (param->clutData != NULL)) {
fileHead.flags.clut = 1;
clutHead.cw = param->clutWidth;
clutHead.ch = param->clutHeight;
clutHead.cx = param->clutXoffs;
clutHead.cy = param->clutYoffs;
clutHead.len = ((2*param->clutWidth)*param->clutHeight);
clutHead.len += sizeof(clutHead);
}
// Prepare image data block
imgHead.w = param->imgWidth;
imgHead.h = param->imgHeight;
imgHead.x = param->imgXoffs;
imgHead.y = param->imgYoffs;
// Calculate final size of image based on its color depth
switch(param->format) {
case 0: // 4-bit with 16-color CLUT
imgHead.len = param->imgWidth/2;
imgHead.w /= 4;
break;
case 1: // 8-bit with 256-color CLUT
imgHead.len = param->imgWidth;
imgHead.w /= 2;
break;
case 2: // 16-bit RGB5I1
imgHead.len = param->imgWidth*2;
break;
case 3: // 24-bit RGB8
imgHead.len = (param->imgWidth*3);
imgHead.w = ceil(imgHead.w*1.5f);
break;
}
// Calculate size of image data block
imgHead.len *= param->imgHeight;
imgHead.len += sizeof(imgHead);
// Write the header
fwrite(&fileHead, 1, sizeof(fileHead), fp);
// Write the CLUT data block
if ((param->format <= 1) && (param->clutData != NULL)) {
fwrite(&clutHead, 1, sizeof(clutHead), fp);
fwrite(param->clutData, 1, clutHead.len-sizeof(clutHead), fp);
}
// Write the image data block
fwrite(&imgHead, 1, sizeof(imgHead), fp);
fwrite(param->imgData, 1, imgHead.len-sizeof(imgHead), fp);
// Close and return
fclose(fp);
return(0);
}
void tim::FreeParam(tim::PARAM *param) {
if (param->imgData != NULL) {
free(param->imgData);
param->imgData = NULL;
}
if (param->clutData != NULL) {
free(param->clutData);
param->clutData = NULL;
}
}

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#ifndef _TIM_H
#define _TIM_H
#include <stdio.h>
#include <windows.h>
#include <math.h>
#define TIM_OUTPUT_CLUT4 0
#define TIM_OUTPUT_CLUT8 1
#define TIM_OUTPUT_RGB5 2
#define TIM_OUTPUT_RGB24 3
namespace tim {
// TIM header struct
typedef struct {
// ID sub-struct
struct HEADER_ID {
u_int id:8; // Always 0x10
u_int ver:8; // Always 0
u_int pad:16; // Useless padding
} id;
// Flags sub-struct
struct HEADER_FLAGS {
u_int pmode:3; // Pixel mode (0: 4-bit, 1: 8-bit, 2:16-bit, 3:24-bit)
u_int clut:1;
u_int pad:24;
} flags;
} HEADER;
// CLUT header struct
typedef struct {
u_int len;
u_short cx,cy;
u_short cw,ch;
} CLUT_HEAD;
// Image data block header
typedef struct {
u_int len;
u_short x,y;
u_short w,h;
} IMG_HEAD;
typedef struct {
// 0: 4-bit CLUT, 1: 8-bit CLUT, 2:16-bit, 3:24-bit
int format;
// Image data params
void *imgData;
u_short imgWidth,imgHeight;
u_short imgXoffs,imgYoffs;
// CLUT data params
void *clutData;
u_short clutWidth,clutHeight;
u_short clutXoffs,clutYoffs;
} PARAM;
// RGB5A1 pixel format struct
typedef struct {
u_short r:5;
u_short g:5;
u_short b:5;
u_short i:1;
} PIX_RGB5;
typedef struct {
u_char r;
u_char g;
u_char b;
} PIX_RGB24;
/*! tim::ExportFile()
*
* /param[in] fileName - Name of TIM file.
* /param[in] *param - tim::PARAM object of TIM export parameters.
*
* /returns Zero if the TIM file was written successfully, otherwise an error occured.
*
*/
int ExportFile(const char* fileName, tim::PARAM *param);
void FreeParam(tim::PARAM *param);
};
#endif // _TIM_H