int image_width;
int image_height;
+void Image_GammaRemapRGB(qbyte *in, qbyte *out, int pixels, qbyte *gammar, qbyte *gammag, qbyte *gammab)
+{
+ while (pixels--)
+ {
+ out[0] = gammar[in[0]];
+ out[1] = gammag[in[1]];
+ out[2] = gammab[in[2]];
+ in += 3;
+ out += 3;
+ }
+}
+
// note: pal must be 32bit color
-void Image_Copy8bitRGBA(byte *in, byte *out, int pixels, int *pal)
+void Image_Copy8bitRGBA(qbyte *in, qbyte *out, int pixels, int *pal)
{
int *iout = (void *)out;
while (pixels >= 8)
iout[0] = pal[in[0]];
}
-void Image_CopyRGBAGamma(byte *in, byte *out, int pixels)
-{
- while (pixels--)
- {
- out[0] = texgamma[in[0]];
- out[1] = texgamma[in[1]];
- out[2] = texgamma[in[2]];
- out[3] = in[3] ;
- in += 4;
- out += 4;
- }
-}
-
-
/*
=================================================================
LoadPCX
============
*/
-byte* LoadPCX (byte *f, int matchwidth, int matchheight)
+qbyte* LoadPCX (qbyte *f, int matchwidth, int matchheight)
{
- pcx_t pcx;
- byte *palette, *a, *b, *image_rgba, *fin, *pbuf;
- int x, y, dataByte, runLength;
+ pcx_t pcx;
+ qbyte *palette, *a, *b, *image_rgba, *fin, *pbuf, *enddata;
+ int x, y, x2, dataByte;
+
+ if (loadsize < sizeof(pcx) + 768)
+ {
+ Con_Printf ("Bad pcx file\n");
+ return NULL;
+ }
fin = f;
if (pcx.manufacturer != 0x0a || pcx.version != 5 || pcx.encoding != 1 || pcx.bits_per_pixel != 8 || pcx.xmax > 320 || pcx.ymax > 256)
{
Con_Printf ("Bad pcx file\n");
- qfree(f);
return NULL;
}
if (matchwidth && (pcx.xmax+1) != matchwidth)
{
- qfree(f);
return NULL;
}
if (matchheight && (pcx.ymax+1) != matchheight)
{
- qfree(f);
return NULL;
}
image_width = pcx.xmax+1;
image_height = pcx.ymax+1;
- image_rgba = qmalloc(image_width*image_height*4);
+ palette = f + loadsize - 768;
+
+ image_rgba = Mem_Alloc(tempmempool, image_width*image_height*4);
+ if (!image_rgba)
+ {
+ Con_Printf("LoadPCX: not enough memory for %i by %i image\n", image_width, image_height);
+ return NULL;
+ }
pbuf = image_rgba + image_width*image_height*3;
+ enddata = palette;
- for (y = 0;y < image_height;y++)
+ for (y = 0;y < image_height && fin < enddata;y++)
{
a = pbuf + y * image_width;
- for (x = 0;x < image_width;)
+ for (x = 0;x < image_width && fin < enddata;)
{
dataByte = *fin++;
if(dataByte >= 0xC0)
{
- runLength = dataByte & 0x3F;
+ if (fin >= enddata)
+ break;
+ x2 = x + (dataByte & 0x3F);
dataByte = *fin++;
- if (runLength)
- {
- x += runLength;
- while(runLength--)
- *a++ = dataByte;
- }
+ if (x2 > image_width)
+ x2 = image_width; // technically an error
+ while(x < x2)
+ a[x++] = dataByte;
}
else
- {
- x++;
- *a++ = dataByte;
- }
+ a[x++] = dataByte;
}
+ while(x < image_width)
+ a[x++] = 0;
}
- palette = fin;
a = image_rgba;
b = pbuf;
*a++ = 255;
}
- qfree(f);
return image_rgba;
}
LoadTGA
=============
*/
-byte* LoadTGA (byte *f, int matchwidth, int matchheight)
+qbyte *LoadTGA (qbyte *f, int matchwidth, int matchheight)
{
- int columns, rows, numPixels, row, column;
- byte *pixbuf, *image_rgba, *fin;
+ int columns, rows, row, column;
+ qbyte *pixbuf, *image_rgba, *fin, *enddata;
+ if (loadsize < 18+3)
+ return NULL;
targa_header.id_length = f[0];
targa_header.colormap_type = f[1];
targa_header.image_type = f[2];
-
+
targa_header.colormap_index = f[3] + f[4] * 256;
targa_header.colormap_length = f[5] + f[6] * 256;
targa_header.colormap_size = f[7];
targa_header.attributes = f[17];
if (targa_header.image_type != 2 && targa_header.image_type != 10)
- Host_Error ("LoadTGA: Only type 2 and 10 targa RGB images supported\n");
+ {
+ Con_Printf ("LoadTGA: Only type 2 and 10 targa RGB images supported\n");
+ return NULL;
+ }
if (targa_header.colormap_type != 0 || (targa_header.pixel_size != 32 && targa_header.pixel_size != 24))
- Host_Error ("LoadTGA: Only 32 or 24 bit images supported (no colormaps)\n");
+ {
+ Con_Printf ("LoadTGA: Only 32 or 24 bit images supported (no colormaps)\n");
+ return NULL;
+ }
+
+ enddata = f + loadsize;
columns = targa_header.width;
rows = targa_header.height;
- numPixels = columns * rows;
- image_rgba = qmalloc(numPixels*4);
+ image_rgba = Mem_Alloc(tempmempool, columns * rows * 4);
+ if (!image_rgba)
+ {
+ Con_Printf ("LoadTGA: not enough memory for %i by %i image\n", columns, rows);
+ return NULL;
+ }
fin = f + 18;
if (targa_header.id_length != 0)
fin += targa_header.id_length; // skip TARGA image comment
-
+
if (targa_header.image_type == 2)
{
// Uncompressed, RGB images
switch (targa_header.pixel_size)
{
case 24:
+ if (fin + 3 > enddata)
+ break;
*pixbuf++ = fin[2];
*pixbuf++ = fin[1];
*pixbuf++ = fin[0];
fin += 3;
break;
case 32:
+ if (fin + 4 > enddata)
+ break;
*pixbuf++ = fin[2];
*pixbuf++ = fin[1];
*pixbuf++ = fin[0];
pixbuf = image_rgba + row * columns * 4;
for(column = 0;column < columns;)
{
+ if (fin >= enddata)
+ goto outofdata;
packetHeader = *fin++;
packetSize = 1 + (packetHeader & 0x7f);
if (packetHeader & 0x80)
switch (targa_header.pixel_size)
{
case 24:
+ if (fin + 3 > enddata)
+ goto outofdata;
blue = *fin++;
green = *fin++;
red = *fin++;
alphabyte = 255;
break;
case 32:
+ if (fin + 4 > enddata)
+ goto outofdata;
blue = *fin++;
green = *fin++;
red = *fin++;
alphabyte = *fin++;
break;
}
-
+
for(j = 0;j < packetSize;j++)
{
*pixbuf++ = red;
switch (targa_header.pixel_size)
{
case 24:
+ if (fin + 3 > enddata)
+ goto outofdata;
*pixbuf++ = fin[2];
*pixbuf++ = fin[1];
*pixbuf++ = fin[0];
fin += 3;
break;
case 32:
+ if (fin + 4 > enddata)
+ goto outofdata;
*pixbuf++ = fin[2];
*pixbuf++ = fin[1];
*pixbuf++ = fin[0];
else
goto breakOut;
pixbuf = image_rgba + row * columns * 4;
- }
+ }
}
}
}
breakOut:;
}
}
-
+outofdata:;
+
image_width = columns;
image_height = rows;
- free(f);
return image_rgba;
}
LoadLMP
============
*/
-byte* LoadLMP (byte *f, int matchwidth, int matchheight)
+qbyte *LoadLMP (qbyte *f, int matchwidth, int matchheight)
{
- byte *image_rgba;
- int width, height;
+ qbyte *image_rgba;
+ int width, height;
- // parse the very complicated header *chuckle*
- width = LittleLong(((int *)f)[0]);
- height = LittleLong(((int *)f)[1]);
- if ((unsigned) width > 4096 || (unsigned) height > 4096)
+ if (loadsize < 9)
{
- qfree(f);
- Host_Error("LoadLMP: invalid size\n");
+ Con_Printf("LoadLMP: invalid LMP file\n");
+ return NULL;
}
- if (matchwidth && width != matchwidth)
+
+ // parse the very complicated header *chuckle*
+ width = f[0] + f[1] * 256 + f[2] * 65536 + f[3] * 16777216;
+ height = f[4] + f[5] * 256 + f[6] * 65536 + f[7] * 16777216;
+ if ((unsigned) width > 4096 || (unsigned) height > 4096)
{
- qfree(f);
+ Con_Printf("LoadLMP: invalid size\n");
return NULL;
}
- if (matchheight && height != matchheight)
+ if ((matchwidth && width != matchwidth) || (matchheight && height != matchheight))
+ return NULL;
+
+ if (loadsize < 8 + width * height)
{
- qfree(f);
+ Con_Printf("LoadLMP: invalid LMP file\n");
return NULL;
}
- image_rgba = qmalloc(width*height*4);
- Image_Copy8bitRGBA(f + 8, image_rgba, width*height, d_8to24table);
image_width = width;
image_height = height;
- qfree(f);
+
+ image_rgba = Mem_Alloc(tempmempool, image_width * image_height * 4);
+ if (!image_rgba)
+ {
+ Con_Printf("LoadLMP: not enough memory for %i by %i image\n", image_width, image_height);
+ return NULL;
+ }
+ Image_Copy8bitRGBA(f + 8, image_rgba, image_width * image_height, d_8to24table);
return image_rgba;
}
strcpy(out, in);
}
-byte* loadimagepixels (char* filename, qboolean complain, int matchwidth, int matchheight)
+qbyte *loadimagepixels (char *filename, qboolean complain, int matchwidth, int matchheight)
{
- byte *f;
- char basename[256], name[256];
- byte *c;
+ qbyte *f, *data;
+ char basename[256], name[256], *c;
Image_StripImageExtension(filename, basename); // strip .tga, .pcx and .lmp extensions to allow replacement by other types
// replace *'s with #, so commandline utils don't get confused when dealing with the external files
for (c = basename;*c;c++)
if (*c == '*')
*c = '#';
sprintf (name, "textures/%s.tga", basename);
- f = COM_LoadMallocFile(name, true);
+ f = COM_LoadFile(name, true);
if (f)
- return LoadTGA (f, matchwidth, matchheight);
+ {
+ data = LoadTGA (f, matchwidth, matchheight);
+ Mem_Free(f);
+ return data;
+ }
sprintf (name, "textures/%s.pcx", basename);
- f = COM_LoadMallocFile(name, true);
+ f = COM_LoadFile(name, true);
if (f)
- return LoadPCX (f, matchwidth, matchheight);
+ {
+ data = LoadPCX (f, matchwidth, matchheight);
+ Mem_Free(f);
+ return data;
+ }
sprintf (name, "%s.tga", basename);
- f = COM_LoadMallocFile(name, true);
+ f = COM_LoadFile(name, true);
if (f)
- return LoadTGA (f, matchwidth, matchheight);
+ {
+ data = LoadTGA (f, matchwidth, matchheight);
+ Mem_Free(f);
+ return data;
+ }
sprintf (name, "%s.pcx", basename);
- f = COM_LoadMallocFile(name, true);
+ f = COM_LoadFile(name, true);
if (f)
- return LoadPCX (f, matchwidth, matchheight);
+ {
+ data = LoadPCX (f, matchwidth, matchheight);
+ Mem_Free(f);
+ return data;
+ }
sprintf (name, "%s.lmp", basename);
- f = COM_LoadMallocFile(name, true);
+ f = COM_LoadFile(name, true);
if (f)
- return LoadLMP (f, matchwidth, matchheight);
+ {
+ data = LoadLMP (f, matchwidth, matchheight);
+ Mem_Free(f);
+ return data;
+ }
if (complain)
Con_Printf ("Couldn't load %s.tga, .pcx, .lmp\n", filename);
return NULL;
}
-int image_makemask (byte *in, byte *out, int size)
+int image_makemask (qbyte *in, qbyte *out, int size)
{
int i, count;
count = 0;
return count;
}
-byte* loadimagepixelsmask (char* filename, qboolean complain, int matchwidth, int matchheight)
+qbyte* loadimagepixelsmask (char* filename, qboolean complain, int matchwidth, int matchheight)
{
- byte *in, *data;
+ qbyte *in, *data;
in = data = loadimagepixels(filename, complain, matchwidth, matchheight);
if (!data)
return NULL;
return data; // some transparency
else
{
- qfree(data);
+ Mem_Free(data);
return NULL; // all opaque
}
}
-rtexture_t *loadtextureimage (char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap, qboolean precache)
+rtexture_t *loadtextureimage (rtexturepool_t *pool, char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap, qboolean precache)
{
- byte *data;
+ qbyte *data;
rtexture_t *rt;
if (!(data = loadimagepixels (filename, complain, matchwidth, matchheight)))
return 0;
- rt = R_LoadTexture (filename, image_width, image_height, data, TEXF_ALPHA | TEXF_RGBA | (mipmap ? TEXF_MIPMAP : 0) | (mipmap ? TEXF_PRECACHE : 0));
- qfree(data);
+ rt = R_LoadTexture (pool, filename, image_width, image_height, data, TEXTYPE_RGBA, TEXF_ALPHA | (mipmap ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0));
+ Mem_Free(data);
return rt;
}
-rtexture_t *loadtextureimagemask (char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap, qboolean precache)
+rtexture_t *loadtextureimagemask (rtexturepool_t *pool, char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap, qboolean precache)
{
- byte *data;
+ qbyte *data;
rtexture_t *rt;
if (!(data = loadimagepixelsmask (filename, complain, matchwidth, matchheight)))
return 0;
- rt = R_LoadTexture (filename, image_width, image_height, data, TEXF_ALPHA | TEXF_RGBA | (mipmap ? TEXF_MIPMAP : 0) | (mipmap ? TEXF_PRECACHE : 0));
- qfree(data);
+ rt = R_LoadTexture (pool, filename, image_width, image_height, data, TEXTYPE_RGBA, TEXF_ALPHA | (mipmap ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0));
+ Mem_Free(data);
return rt;
}
rtexture_t *image_masktex;
-rtexture_t *loadtextureimagewithmask (char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap, qboolean precache)
+rtexture_t *loadtextureimagewithmask (rtexturepool_t *pool, char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap, qboolean precache)
{
int count;
- byte *data;
+ qbyte *data;
char *filename2;
rtexture_t *rt;
image_masktex = NULL;
if (!(data = loadimagepixels (filename, complain, matchwidth, matchheight)))
return 0;
- rt = R_LoadTexture (filename, image_width, image_height, data, TEXF_ALPHA | TEXF_RGBA | (mipmap ? TEXF_MIPMAP : 0) | (mipmap ? TEXF_PRECACHE : 0));
+ rt = R_LoadTexture (pool, filename, image_width, image_height, data, TEXTYPE_RGBA, TEXF_ALPHA | (mipmap ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0));
count = image_makemask(data, data, image_width * image_height);
if (count)
{
- filename2 = qmalloc(strlen(filename) + 6);
+ filename2 = Mem_Alloc(tempmempool, strlen(filename) + 6);
sprintf(filename2, "%s_mask", filename);
- image_masktex = R_LoadTexture (filename2, image_width, image_height, data, TEXF_ALPHA | TEXF_RGBA | (mipmap ? TEXF_MIPMAP : 0) | (mipmap ? TEXF_PRECACHE : 0));
- qfree(filename2);
+ image_masktex = R_LoadTexture (pool, filename2, image_width, image_height, data, TEXTYPE_RGBA, TEXF_ALPHA | (mipmap ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0));
+ Mem_Free(filename2);
}
- qfree(data);
+ Mem_Free(data);
return rt;
}
-void Image_WriteTGARGB_preflipped (char *filename, int width, int height, byte *data)
+void Image_WriteTGARGB_preflipped (char *filename, int width, int height, qbyte *data)
{
- byte *buffer, *in, *out, *end;
+ qbyte *buffer, *in, *out, *end;
- buffer = qmalloc(width*height*3 + 18);
+ buffer = Mem_Alloc(tempmempool, width*height*3 + 18);
memset (buffer, 0, 18);
buffer[2] = 2; // uncompressed type
}
COM_WriteFile (filename, buffer, width*height*3 + 18 );
- qfree(buffer);
+ Mem_Free(buffer);
}
-void Image_WriteTGARGB (char *filename, int width, int height, byte *data)
+void Image_WriteTGARGB (char *filename, int width, int height, qbyte *data)
{
int y;
- byte *buffer, *in, *out, *end;
+ qbyte *buffer, *in, *out, *end;
- buffer = qmalloc(width*height*3 + 18);
+ buffer = Mem_Alloc(tempmempool, width*height*3 + 18);
memset (buffer, 0, 18);
buffer[2] = 2; // uncompressed type
}
COM_WriteFile (filename, buffer, width*height*3 + 18 );
- qfree(buffer);
+ Mem_Free(buffer);
}
-void Image_WriteTGARGBA (char *filename, int width, int height, byte *data)
+void Image_WriteTGARGBA (char *filename, int width, int height, qbyte *data)
{
int y;
- byte *buffer, *in, *out, *end;
+ qbyte *buffer, *in, *out, *end;
- buffer = qmalloc(width*height*4 + 18);
+ buffer = Mem_Alloc(tempmempool, width*height*4 + 18);
memset (buffer, 0, 18);
buffer[2] = 2; // uncompressed type
}
COM_WriteFile (filename, buffer, width*height*4 + 18 );
- qfree(buffer);
+ Mem_Free(buffer);
}
-qboolean Image_CheckAlpha(byte *data, int size, qboolean rgba)
+qboolean Image_CheckAlpha(qbyte *data, int size, qboolean rgba)
{
- byte *end;
+ qbyte *end;
if (rgba)
{
// check alpha bytes