d4708
/
source-engine
mirror of https://github.com/nillerusr/source-engine.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
13 Commits
25 Branches
6 Tags
221 MiB
 
 
 
 
 
 
Tree: af218e26a7
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from 'af218e26a7'
${ noResults }
source-engine/utils/xbox/toollib/piclib.cpp

557 lines
13 KiB
Raw Blame History

#include "toollib.h"
#include "piclib.h"
byte_t* g_tgabuffer;
byte_t* g_tgabuffptr;
/*****************************************************************************
TL_LoadPCX
*****************************************************************************/
void TL_LoadPCX(char* filename, byte_t** pic, byte_t** palette, int* width, int* height)
{
byte_t* raw;
pcx_t* pcx;
int x;
int y;
int len;
int databyte;
int runlength;
byte_t* out;
byte_t* pix;
// load the file
len = TL_LoadFile(filename,(void **)&raw);
// parse the PCX file
pcx = (pcx_t*)raw;
raw = &pcx->data;
pcx->xmin = TL_LittleShort(pcx->xmin);
pcx->ymin = TL_LittleShort(pcx->ymin);
pcx->xmax = TL_LittleShort(pcx->xmax);
pcx->ymax = TL_LittleShort(pcx->ymax);
pcx->hres = TL_LittleShort(pcx->hres);
pcx->vres = TL_LittleShort(pcx->vres);
pcx->bytes_per_line = TL_LittleShort(pcx->bytes_per_line);
pcx->palette_type = TL_LittleShort(pcx->palette_type);
if (pcx->manufacturer != 0x0a ||
pcx->version != 5 ||
pcx->encoding != 1 ||
pcx->bits_per_pixel != 8 ||
pcx->xmax >= 640 ||
pcx->ymax >= 480)
TL_Error("Bad pcx file %s",filename);
if (palette)
{
*palette = (byte_t*)TL_Malloc(768);
memcpy(*palette,(byte_t*)pcx + len - 768,768);
}
if (width)
*width = pcx->xmax+1;
if (height)
*height = pcx->ymax+1;
if (!pic)
return;
out = (byte_t*)TL_Malloc((pcx->ymax+1)*(pcx->xmax+1));
*pic = out;
pix = out;
for (y=0; y<=pcx->ymax; y++, pix += pcx->xmax+1)
{
for (x=0; x<=pcx->xmax; )
{
databyte = *raw++;
if((databyte & 0xC0) == 0xC0)
{
runlength = databyte & 0x3F;
databyte = *raw++;
}
else
runlength = 1;
while (runlength-- > 0)
pix[x++] = databyte;
}
}
if (raw - (byte_t *)pcx > len)
TL_Error("PCX file %s was malformed",filename);
TL_Free(pcx);
}
/*****************************************************************************
TL_SavePCX
*****************************************************************************/
void TL_SavePCX(char* filename, byte_t* data, int width, int height, byte_t* palette)
{
int i;
int j;
int length;
pcx_t* pcx;
byte_t* pack;
pcx = (pcx_t*)TL_Malloc(width*height*2+1000);
pcx->manufacturer = 0x0A; // PCX id
pcx->version = 5; // 256 color
pcx->encoding = 1; // uncompressed
pcx->bits_per_pixel = 8; // 256 color
pcx->xmin = 0;
pcx->ymin = 0;
pcx->xmax = TL_LittleShort((short)(width-1));
pcx->ymax = TL_LittleShort((short)(height-1));
pcx->hres = TL_LittleShort((short)width);
pcx->vres = TL_LittleShort((short)height);
pcx->color_planes = 1; // chunky image
pcx->bytes_per_line = TL_LittleShort((short)width);
pcx->palette_type = TL_LittleShort(2); // not a grey scale
// pack the image
pack = &pcx->data;
for (i=0; i<height; i++)
{
for (j=0; j<width; j++)
{
if ((*data & 0xc0) != 0xC0)
*pack++ = *data++;
else
{
*pack++ = 0xC1;
*pack++ = *data++;
}
}
}
// write the palette
*pack++ = 0x0C;
for (i=0; i<768; i++)
*pack++ = *palette++;
// write output file
length = pack - (byte_t*)pcx;
TL_SaveFile(filename,pcx,length);
TL_Free(pcx);
}
/*****************************************************************************
TGA_GetByte
*****************************************************************************/
byte_t TGA_GetByte(void)
{
return (*g_tgabuffptr++);
}
/*****************************************************************************
TGA_GetShort
*****************************************************************************/
short TGA_GetShort(void)
{
byte_t msb;
byte_t lsb;
lsb = g_tgabuffptr[0];
msb = g_tgabuffptr[1];
g_tgabuffptr += 2;
return ((msb<<8)|lsb);
}
/*****************************************************************************
TL_LoadTGA
*****************************************************************************/
void TL_LoadTGA(char* name, byte_t** pixels, int* width, int* height)
{
int columns;
int rows;
int numPixels;
byte_t* pixbuf;
int row;
int column;
byte_t* targa_rgba;
tga_t targa_header;
byte_t red;
byte_t green;
byte_t blue;
byte_t alphabyte;
byte_t packetHeader;
byte_t packetSize;
byte_t j;
TL_LoadFile(name,(void**)&g_tgabuffer);
g_tgabuffptr = g_tgabuffer;
/* load unaligned tga data */
targa_header.id_length = TGA_GetByte();
targa_header.colormap_type = TGA_GetByte();
targa_header.image_type = TGA_GetByte();
targa_header.colormap_index = TGA_GetShort();
targa_header.colormap_length = TGA_GetShort();
targa_header.colormap_size = TGA_GetByte();
targa_header.x_origin = TGA_GetShort();
targa_header.y_origin = TGA_GetShort();
targa_header.width = TGA_GetShort();
targa_header.height = TGA_GetShort();
targa_header.pixel_size = TGA_GetByte();
targa_header.attributes = TGA_GetByte();
if (targa_header.image_type != 2 && targa_header.image_type != 10)
TL_Error("TL_LoadTGA: %s - Only type 2 and 10 targa RGB images supported",name);
if ((targa_header.colormap_type != 0) || (targa_header.pixel_size != 32 && targa_header.pixel_size != 24))
TL_Error("TL_LoadTGA: %s - Only 32 or 24 bit images supported (no colormaps)",name);
columns = targa_header.width;
rows = targa_header.height;
numPixels = columns * rows;
if (width)
*width = columns;
if (height)
*height = rows;
targa_rgba = (byte_t*)TL_Malloc(numPixels*4);
*pixels = targa_rgba;
if (targa_header.id_length != 0)
{
// skip TARGA image comment
g_tgabuffptr += targa_header.id_length;
}
if (targa_header.image_type==2)
{
// Uncompressed, RGB images
for (row=rows-1; row>=0; row--)
{
pixbuf = targa_rgba + row*columns*4;
for(column=0; column<columns; column++)
{
switch (targa_header.pixel_size)
{
case 24:
blue = TGA_GetByte();
green = TGA_GetByte();
red = TGA_GetByte();
alphabyte = 255;
break;
case 32:
blue = TGA_GetByte();
green = TGA_GetByte();
red = TGA_GetByte();
alphabyte = TGA_GetByte();
break;
}
*pixbuf++ = red;
*pixbuf++ = green;
*pixbuf++ = blue;
*pixbuf++ = alphabyte;
}
}
}
else if (targa_header.image_type==10)
{
// Runlength encoded RGB images
for (row=rows-1; row>=0; row--)
{
pixbuf = targa_rgba + row*columns*4;
for(column=0; column<columns; )
{
packetHeader = TGA_GetByte();
packetSize = 1 + (packetHeader & 0x7f);
if (packetHeader & 0x80)
{
// run-length packet
switch (targa_header.pixel_size)
{
case 24:
blue = TGA_GetByte();
green = TGA_GetByte();
red = TGA_GetByte();
alphabyte = 255;
break;
case 32:
blue = TGA_GetByte();
green = TGA_GetByte();
red = TGA_GetByte();
alphabyte = TGA_GetByte();
break;
}
for(j=0; j<packetSize; j++)
{
*pixbuf++ = red;
*pixbuf++ = green;
*pixbuf++ = blue;
*pixbuf++ = alphabyte;
column++;
if (column==columns)
{
// run spans across rows
column=0;
if (row>0)
row--;
else
goto breakOut;
pixbuf = targa_rgba + row*columns*4;
}
}
}
else
{
// non run-length packet
for(j=0; j<packetSize; j++)
{
switch (targa_header.pixel_size)
{
case 24:
blue = TGA_GetByte();
green = TGA_GetByte();
red = TGA_GetByte();
alphabyte = 255;
break;
case 32:
blue = TGA_GetByte();
green = TGA_GetByte();
red = TGA_GetByte();
alphabyte = TGA_GetByte();
break;
}
*pixbuf++ = red;
*pixbuf++ = green;
*pixbuf++ = blue;
*pixbuf++ = alphabyte;
column++;
if (column == columns)
{
// pixel packet run spans across rows
column=0;
if (row>0)
row--;
else
goto breakOut;
pixbuf = targa_rgba + row*columns*4;
}
}
}
}
breakOut:;
}
}
TL_Free(g_tgabuffer);
}
/*****************************************************************************
TL_SaveTGA
Saves TGA. Supports r/w 16/24/32 bpp.
*****************************************************************************/
void TL_SaveTGA(char* filename, byte_t* pixels, int width, int height, int sbpp, int tbpp)
{
int handle;
tga_t tga;
unsigned short rgba5551;
unsigned long rgba8888;
int r;
int g;
int b;
int x;
int y;
int a;
byte_t* tgabuffer;
byte_t* tgabufferptr;
byte_t* rawbufferptr;
byte_t* tempbuffer;
byte_t* tempbufferptr;
int bytesperpixel;
// all source is upsampled into easy 32 bit rgba8888
// and downsampled into tga buffer
tempbuffer = (byte_t*)TL_Malloc(width*height*4);
if (sbpp == 16)
{
/* source is 16 bit rgba */
rawbufferptr = pixels;
for (y=0; y<height; y++)
{
tempbufferptr = tempbuffer + y*width*4;
for (x=0; x<width; x++)
{
rgba5551 = *(unsigned short*)rawbufferptr;
r = (rgba5551 & 0xF800)>>11;
g = (rgba5551 & 0x07C0)>>6;
b = (rgba5551 & 0x003E)>>1;
a = (rgba5551 & 0x01);
tempbufferptr[0] = (byte_t)(b * (255.0/31.0));
tempbufferptr[1] = (byte_t)(g * (255.0/31.0));
tempbufferptr[2] = (byte_t)(r * (255.0/31.0));
tempbufferptr[3] = (byte_t)(a * 255.0);
rawbufferptr += sizeof(unsigned short);
tempbufferptr += 4;
}
}
}
else if (sbpp == 24)
{
/* source is 24 bit rgba */
rawbufferptr = pixels;
for (y=0; y<height; y++)
{
tempbufferptr = tempbuffer + y*width*4;
for (x=0; x<width; x++)
{
tempbufferptr[0] = rawbufferptr[0];
tempbufferptr[1] = rawbufferptr[1];
tempbufferptr[2] = rawbufferptr[2];
tempbufferptr[3] = 255;
rawbufferptr += 3;
tempbufferptr += 4;
}
}
}
else if (sbpp == 32)
{
/* source is 32 bit rgba */
memcpy(tempbuffer,pixels,width*height*4);
}
else
TL_Error("TL_SaveTGA: cannot handle source %d bits per pixel",sbpp);
if (tbpp == 16)
bytesperpixel = 2;
else if (tbpp == 24)
bytesperpixel = 3;
else if (tbpp == 32)
bytesperpixel = 4;
else
TL_Error("TL_SaveTGA: cannot handle target %d bits per pixel",tbpp);
handle = TL_SafeOpenWrite(filename);
/* write the targa header */
tga.id_length = 0;
tga.colormap_type = 0;
tga.image_type = 2;
tga.colormap_index = 0;
tga.colormap_length = 0;
tga.colormap_size = 0;
tga.x_origin = 0;
tga.y_origin = 0;
tga.width = width;
tga.height = height;
tga.pixel_size = tbpp;
tga.attributes = 0;
TL_SafeWrite(handle,&tga.id_length,sizeof(tga.id_length));
TL_SafeWrite(handle,&tga.colormap_type,sizeof(tga.colormap_type));
TL_SafeWrite(handle,&tga.image_type,sizeof(tga.image_type));
TL_SafeWrite(handle,&tga.colormap_index,sizeof(tga.colormap_index));
TL_SafeWrite(handle,&tga.colormap_length,sizeof(tga.colormap_length));
TL_SafeWrite(handle,&tga.colormap_size,sizeof(tga.colormap_size));
TL_SafeWrite(handle,&tga.x_origin,sizeof(tga.x_origin));
TL_SafeWrite(handle,&tga.y_origin,sizeof(tga.y_origin));
TL_SafeWrite(handle,&tga.width,sizeof(tga.width));
TL_SafeWrite(handle,&tga.height,sizeof(tga.height));
TL_SafeWrite(handle,&tga.pixel_size,sizeof(tga.pixel_size));
TL_SafeWrite(handle,&tga.attributes,sizeof(tga.attributes));
/* tga images are upside down left to right - !@#$% */
tgabuffer = (byte_t*)TL_Malloc(width*height*bytesperpixel);
/* source is 32 bit rgba */
rawbufferptr = tempbuffer;
for (y=height-1; y>=0; y--)
{
tgabufferptr = tgabuffer + y*width*bytesperpixel;
for (x=0; x<width; x++)
{
switch (bytesperpixel)
{
case 2:
break;
case 3:
rgba8888 = TL_BigLong(*(unsigned long*)rawbufferptr);
r = (rgba8888 & 0xFF000000)>>24;
g = (rgba8888 & 0x00FF0000)>>16;
b = (rgba8888 & 0x0000FF00)>>8;
tgabufferptr[0] = b;
tgabufferptr[1] = g;
tgabufferptr[2] = r;
break;
case 4:
rgba8888 = TL_BigLong(*(unsigned long*)rawbufferptr);
r = (rgba8888 & 0xFF000000)>>24;
g = (rgba8888 & 0x00FF0000)>>16;
b = (rgba8888 & 0x0000FF00)>>8;
a = rgba8888 & 0xFF;
tgabufferptr[0] = b;
tgabufferptr[1] = g;
tgabufferptr[2] = r;
tgabufferptr[3] = a;
break;
}
rawbufferptr += 4;
tgabufferptr += bytesperpixel;
}
}
TL_SafeWrite(handle,tgabuffer,width*height*bytesperpixel);
close(handle);
TL_Free(tempbuffer);
TL_Free(tgabuffer);
}
/*****************************************************************************
TL_LoadImage
Loads an image based on extension.
*****************************************************************************/
void TL_LoadImage(char* name, byte_t** pixels, byte_t** palette, int* width, int* height)
{
char ext[16];
TL_GetExtension(name,ext);
if (!stricmp(ext,"pcx"))
TL_LoadPCX(name,pixels,palette,width,height);
else if (!stricmp(ext,"tga"))
{
TL_LoadTGA(name,pixels,width,height);
*palette = NULL;
}
else
TL_Error("TL_LoadImage: unknown image extension %s",ext);
}