{
while (pixels--)
{
- out[0] = qgamma[in[0]];
- out[1] = qgamma[in[1]];
- out[2] = qgamma[in[2]];
- out[3] = in[3] ;
+ out[0] = texgamma[in[0]];
+ out[1] = texgamma[in[1]];
+ out[2] = texgamma[in[2]];
+ out[3] = in[3] ;
in += 4;
out += 4;
}
unsigned short bytes_per_line;
unsigned short palette_type;
char filler[58];
- unsigned data; // unbounded
} pcx_t;
/*
LoadPCX
============
*/
-byte* LoadPCX (FILE *f, int matchwidth, int matchheight)
+byte* LoadPCX (byte *f, int matchwidth, int matchheight)
{
- pcx_t *pcx, pcxbuf;
- byte palette[768];
- byte *pix, *image_rgba;
- int x, y;
- int dataByte, runLength;
- int count;
+ pcx_t pcx;
+ byte *palette, *a, *b, *image_rgba, *fin, *pbuf;
+ int x, y, dataByte, runLength;
-//
-// parse the PCX file
-//
- fread (&pcxbuf, 1, sizeof(pcxbuf), f);
+ fin = f;
- pcx = &pcxbuf;
+ memcpy(&pcx, fin, sizeof(pcx));
+ fin += sizeof(pcx);
// LordHavoc: big-endian support ported from QF newtree
- pcx->xmax = LittleShort (pcx->xmax);
- pcx->xmin = LittleShort (pcx->xmin);
- pcx->ymax = LittleShort (pcx->ymax);
- pcx->ymin = LittleShort (pcx->ymin);
- pcx->hres = LittleShort (pcx->hres);
- pcx->vres = LittleShort (pcx->vres);
- pcx->bytes_per_line = LittleShort (pcx->bytes_per_line);
- pcx->palette_type = LittleShort (pcx->palette_type);
-
- if (pcx->manufacturer != 0x0a || pcx->version != 5 || pcx->encoding != 1 || pcx->bits_per_pixel != 8 || pcx->xmax > 320 || pcx->ymax > 256)
+ pcx.xmax = LittleShort (pcx.xmax);
+ pcx.xmin = LittleShort (pcx.xmin);
+ pcx.ymax = LittleShort (pcx.ymax);
+ pcx.ymin = LittleShort (pcx.ymin);
+ pcx.hres = LittleShort (pcx.hres);
+ pcx.vres = LittleShort (pcx.vres);
+ pcx.bytes_per_line = LittleShort (pcx.bytes_per_line);
+ pcx.palette_type = LittleShort (pcx.palette_type);
+
+ 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)
+ if (matchwidth && (pcx.xmax+1) != matchwidth)
+ {
+ qfree(f);
return NULL;
- if (matchheight && (pcx->ymax+1) != matchheight)
+ }
+ if (matchheight && (pcx.ymax+1) != matchheight)
+ {
+ qfree(f);
return NULL;
+ }
- // seek to palette
- fseek (f, -768, SEEK_END);
- fread (palette, 1, 768, f);
-
- fseek (f, sizeof(pcxbuf) - 4, SEEK_SET);
+ image_width = pcx.xmax+1;
+ image_height = pcx.ymax+1;
- count = (pcx->xmax+1) * (pcx->ymax+1);
- image_rgba = malloc( count * 4);
+ image_rgba = qmalloc(image_width*image_height*4);
+ pbuf = image_rgba + image_width*image_height*3;
- for (y=0 ; y<=pcx->ymax ; y++)
+ for (y = 0;y < image_height;y++)
{
- pix = image_rgba + 4*y*(pcx->xmax+1);
- for (x=0 ; x<=pcx->xmax ; )
+ a = pbuf + y * image_width;
+ for (x = 0;x < image_width;)
{
- dataByte = fgetc(f);
-
- if((dataByte & 0xC0) == 0xC0)
+ dataByte = *fin++;
+ if(dataByte >= 0xC0)
{
runLength = dataByte & 0x3F;
- dataByte = fgetc(f);
+ dataByte = *fin++;
if (runLength)
{
x += runLength;
while(runLength--)
- {
- pix[0] = palette[dataByte*3];
- pix[1] = palette[dataByte*3+1];
- pix[2] = palette[dataByte*3+2];
- pix[3] = 255;
- pix += 4;
- }
+ *a++ = dataByte;
}
}
else
{
x++;
- pix[0] = palette[dataByte*3];
- pix[1] = palette[dataByte*3+1];
- pix[2] = palette[dataByte*3+2];
- pix[3] = 255;
- pix += 4;
+ *a++ = dataByte;
}
-
}
}
- fclose(f);
- image_width = pcx->xmax+1;
- image_height = pcx->ymax+1;
+
+ palette = fin;
+ a = pbuf;
+ b = image_rgba;
+
+ for(x = 0;x < image_width*image_height;x++)
+ {
+ y = *b++ * 3;
+ *a++ = palette[y];
+ *a++ = palette[y+1];
+ *a++ = palette[y+2];
+ *a++ = 255;
+ }
+
+ qfree(f);
return image_rgba;
}
=========================================================
*/
-typedef struct _TargaHeader {
+typedef struct _TargaHeader
+{
unsigned char id_length, colormap_type, image_type;
unsigned short colormap_index, colormap_length;
unsigned char colormap_size;
unsigned short x_origin, y_origin, width, height;
unsigned char pixel_size, attributes;
-} TargaHeader;
-
-
-TargaHeader targa_header;
-
-int fgetLittleShort (FILE *f)
-{
- byte b1, b2;
-
- b1 = fgetc(f);
- b2 = fgetc(f);
-
- return (short)(b1 + b2*256);
}
+TargaHeader;
-int fgetLittleLong (FILE *f)
-{
- byte b1, b2, b3, b4;
-
- b1 = fgetc(f);
- b2 = fgetc(f);
- b3 = fgetc(f);
- b4 = fgetc(f);
-
- return b1 + (b2<<8) + (b3<<16) + (b4<<24);
-}
+TargaHeader targa_header;
/*
LoadTGA
=============
*/
-byte* LoadTGA (FILE *fin, int matchwidth, int matchheight)
+byte* LoadTGA (byte *f, int matchwidth, int matchheight)
{
- int columns, rows, numPixels;
- byte *pixbuf;
- int row, column;
- byte *image_rgba;
-
- targa_header.id_length = fgetc(fin);
- targa_header.colormap_type = fgetc(fin);
- targa_header.image_type = fgetc(fin);
+ int columns, rows, numPixels, row, column;
+ byte *pixbuf, *image_rgba, *fin;
+
+ targa_header.id_length = f[0];
+ targa_header.colormap_type = f[1];
+ targa_header.image_type = f[2];
- targa_header.colormap_index = fgetLittleShort(fin);
- targa_header.colormap_length = fgetLittleShort(fin);
- targa_header.colormap_size = fgetc(fin);
- targa_header.x_origin = fgetLittleShort(fin);
- targa_header.y_origin = fgetLittleShort(fin);
- targa_header.width = fgetLittleShort(fin);
- targa_header.height = fgetLittleShort(fin);
+ 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.x_origin = f[8] + f[9] * 256;
+ targa_header.y_origin = f[10] + f[11] * 256;
+ targa_header.width = f[12] + f[13] * 256;
+ targa_header.height = f[14] + f[15] * 256;
if (matchwidth && targa_header.width != matchwidth)
return NULL;
if (matchheight && targa_header.height != matchheight)
return NULL;
- targa_header.pixel_size = fgetc(fin);
- targa_header.attributes = fgetc(fin);
+ targa_header.pixel_size = f[16];
+ targa_header.attributes = f[17];
- if (targa_header.image_type!=2
- && targa_header.image_type!=10)
+ if (targa_header.image_type != 2 && targa_header.image_type != 10)
Host_Error ("LoadTGA: Only type 2 and 10 targa RGB images supported\n");
- if (targa_header.colormap_type !=0
- || (targa_header.pixel_size!=32 && targa_header.pixel_size!=24))
+ 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");
columns = targa_header.width;
rows = targa_header.height;
numPixels = columns * rows;
- image_rgba = malloc (numPixels*4);
-
+ image_rgba = qmalloc(numPixels*4);
+
+ fin = f + 18;
if (targa_header.id_length != 0)
- fseek(fin, targa_header.id_length, SEEK_CUR); // skip TARGA image comment
+ fin += targa_header.id_length; // skip TARGA image comment
- if (targa_header.image_type==2) { // Uncompressed, RGB images
- for(row=rows-1; row>=0; row--) {
+ if (targa_header.image_type == 2)
+ {
+ // Uncompressed, RGB images
+ for(row = rows - 1;row >= 0;row--)
+ {
pixbuf = image_rgba + row*columns*4;
- for(column=0; column<columns; column++) {
- unsigned char red = 0,green = 0,blue = 0,alphabyte = 0;
- switch (targa_header.pixel_size) {
- case 24:
-
- blue = getc(fin);
- green = getc(fin);
- red = getc(fin);
- *pixbuf++ = red;
- *pixbuf++ = green;
- *pixbuf++ = blue;
- *pixbuf++ = 255;
- break;
- case 32:
- blue = getc(fin);
- green = getc(fin);
- red = getc(fin);
- alphabyte = getc(fin);
- *pixbuf++ = red;
- *pixbuf++ = green;
- *pixbuf++ = blue;
- *pixbuf++ = alphabyte;
- break;
+ for(column = 0;column < columns;column++)
+ {
+ switch (targa_header.pixel_size)
+ {
+ case 24:
+ *pixbuf++ = fin[2];
+ *pixbuf++ = fin[1];
+ *pixbuf++ = fin[0];
+ *pixbuf++ = 255;
+ fin += 3;
+ break;
+ case 32:
+ *pixbuf++ = fin[2];
+ *pixbuf++ = fin[1];
+ *pixbuf++ = fin[0];
+ *pixbuf++ = fin[3];
+ fin += 4;
+ break;
}
}
}
}
- else if (targa_header.image_type==10) { // Runlength encoded RGB images
- unsigned char red = 0,green = 0,blue = 0,alphabyte = 0,packetHeader,packetSize,j;
- for(row=rows-1; row>=0; row--) {
- pixbuf = image_rgba + row*columns*4;
- for(column=0; column<columns; ) {
- packetHeader=getc(fin);
+ else if (targa_header.image_type==10)
+ {
+ // Runlength encoded RGB images
+ unsigned char red = 0, green = 0, blue = 0, alphabyte = 0, packetHeader, packetSize, j;
+ for(row = rows - 1;row >= 0;row--)
+ {
+ pixbuf = image_rgba + row * columns * 4;
+ for(column = 0;column < columns;)
+ {
+ packetHeader = *fin++;
packetSize = 1 + (packetHeader & 0x7f);
- if (packetHeader & 0x80) { // run-length packet
- switch (targa_header.pixel_size) {
- case 24:
- blue = getc(fin);
- green = getc(fin);
- red = getc(fin);
- alphabyte = 255;
- break;
- case 32:
- blue = getc(fin);
- green = getc(fin);
- red = getc(fin);
- alphabyte = getc(fin);
- break;
+ if (packetHeader & 0x80)
+ {
+ // run-length packet
+ switch (targa_header.pixel_size)
+ {
+ case 24:
+ blue = *fin++;
+ green = *fin++;
+ red = *fin++;
+ alphabyte = 255;
+ break;
+ case 32:
+ blue = *fin++;
+ green = *fin++;
+ red = *fin++;
+ alphabyte = *fin++;
+ break;
}
- for(j=0;j<packetSize;j++) {
- *pixbuf++=red;
- *pixbuf++=green;
- *pixbuf++=blue;
- *pixbuf++=alphabyte;
+ 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)
+ if (column == columns)
+ {
+ // run spans across rows
+ column = 0;
+ if (row > 0)
row--;
else
goto breakOut;
- pixbuf = image_rgba + row*columns*4;
+ pixbuf = image_rgba + row * columns * 4;
}
}
}
- else { // non run-length packet
- for(j=0;j<packetSize;j++) {
- switch (targa_header.pixel_size) {
- case 24:
- blue = getc(fin);
- green = getc(fin);
- red = getc(fin);
- *pixbuf++ = red;
- *pixbuf++ = green;
- *pixbuf++ = blue;
- *pixbuf++ = 255;
- break;
- case 32:
- blue = getc(fin);
- green = getc(fin);
- red = getc(fin);
- alphabyte = getc(fin);
- *pixbuf++ = red;
- *pixbuf++ = green;
- *pixbuf++ = blue;
- *pixbuf++ = alphabyte;
- break;
+ else
+ {
+ // non run-length packet
+ for(j = 0;j < packetSize;j++)
+ {
+ switch (targa_header.pixel_size)
+ {
+ case 24:
+ *pixbuf++ = fin[2];
+ *pixbuf++ = fin[1];
+ *pixbuf++ = fin[0];
+ *pixbuf++ = 255;
+ fin += 3;
+ break;
+ case 32:
+ *pixbuf++ = fin[2];
+ *pixbuf++ = fin[1];
+ *pixbuf++ = fin[0];
+ *pixbuf++ = fin[3];
+ fin += 4;
+ break;
}
column++;
- if (column==columns) { // pixel packet run spans across rows
- column=0;
- if (row>0)
+ if (column == columns)
+ {
+ // pixel packet run spans across rows
+ column = 0;
+ if (row > 0)
row--;
else
goto breakOut;
- pixbuf = image_rgba + row*columns*4;
+ pixbuf = image_rgba + row * columns * 4;
}
}
}
}
}
- fclose(fin);
image_width = columns;
image_height = rows;
+ free(f);
return image_rgba;
}
LoadLMP
============
*/
-byte* LoadLMP (FILE *f, int matchwidth, int matchheight)
+byte* LoadLMP (byte *f, int matchwidth, int matchheight)
{
byte *image_rgba;
int width, height;
// parse the very complicated header *chuckle*
- width = fgetLittleLong(f);
- height = fgetLittleLong(f);
+ width = LittleLong(((int *)f)[0]);
+ height = LittleLong(((int *)f)[1]);
if ((unsigned) width > 4096 || (unsigned) height > 4096)
+ {
+ qfree(f);
Host_Error("LoadLMP: invalid size\n");
+ }
if (matchwidth && width != matchwidth)
+ {
+ qfree(f);
return NULL;
+ }
if (matchheight && height != matchheight)
+ {
+ qfree(f);
return NULL;
+ }
- image_rgba = malloc(width*height*4);
- fread(image_rgba + width*height*3, 1, width*height, f);
- fclose(f);
-
- Image_Copy8bitRGBA(image_rgba + width*height*3, image_rgba, width*height, d_8to24table);
+ image_rgba = qmalloc(width*height*4);
+ Image_Copy8bitRGBA(f + 8, image_rgba, width*height, d_8to24table);
image_width = width;
image_height = height;
+ qfree(f);
return image_rgba;
}
byte* loadimagepixels (char* filename, qboolean complain, int matchwidth, int matchheight)
{
- FILE *f;
+ byte *f;
char basename[256], name[256];
- byte *image_rgba, *c;
+ byte *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);
- COM_FOpenFile (name, &f, true);
+ f = COM_LoadMallocFile(name, true);
if (f)
return LoadTGA (f, matchwidth, matchheight);
sprintf (name, "textures/%s.pcx", basename);
- COM_FOpenFile (name, &f, true);
+ f = COM_LoadMallocFile(name, true);
if (f)
return LoadPCX (f, matchwidth, matchheight);
sprintf (name, "%s.tga", basename);
- COM_FOpenFile (name, &f, true);
+ f = COM_LoadMallocFile(name, true);
if (f)
return LoadTGA (f, matchwidth, matchheight);
sprintf (name, "%s.pcx", basename);
- COM_FOpenFile (name, &f, true);
+ f = COM_LoadMallocFile(name, true);
if (f)
return LoadPCX (f, matchwidth, matchheight);
sprintf (name, "%s.lmp", basename);
- COM_FOpenFile (name, &f, true);
+ f = COM_LoadMallocFile(name, true);
if (f)
return LoadLMP (f, matchwidth, matchheight);
- if ((image_rgba = W_GetTexture(basename, matchwidth, matchheight)))
- return image_rgba;
- COM_StripExtension(filename, basename); // do it again with a * this time
- if ((image_rgba = W_GetTexture(basename, matchwidth, matchheight)))
- return image_rgba;
if (complain)
- Con_Printf ("Couldn't load %s.tga or .pcx\n", filename);
+ Con_Printf ("Couldn't load %s.tga, .pcx, .lmp\n", filename);
return NULL;
}
return data; // some transparency
else
{
- free(data);
+ qfree(data);
return NULL; // all opaque
}
}
-int loadtextureimage (char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap)
+rtexture_t *loadtextureimage (char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap, qboolean precache)
{
- int texnum;
byte *data;
+ rtexture_t *rt;
if (!(data = loadimagepixels (filename, complain, matchwidth, matchheight)))
return 0;
- texnum = GL_LoadTexture (filename, image_width, image_height, data, mipmap, true, 4);
- free(data);
- return texnum;
+ rt = R_LoadTexture (filename, image_width, image_height, data, TEXF_ALPHA | TEXF_RGBA | (mipmap ? TEXF_MIPMAP : 0) | (mipmap ? TEXF_PRECACHE : 0));
+ qfree(data);
+ return rt;
}
-int loadtextureimagemask (char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap)
+rtexture_t *loadtextureimagemask (char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap, qboolean precache)
{
- int texnum;
byte *data;
+ rtexture_t *rt;
if (!(data = loadimagepixelsmask (filename, complain, matchwidth, matchheight)))
return 0;
- texnum = GL_LoadTexture (filename, image_width, image_height, data, mipmap, true, 4);
- free(data);
- return texnum;
+ rt = R_LoadTexture (filename, image_width, image_height, data, TEXF_ALPHA | TEXF_RGBA | (mipmap ? TEXF_MIPMAP : 0) | (mipmap ? TEXF_PRECACHE : 0));
+ qfree(data);
+ return rt;
}
-int image_masktexnum;
-int loadtextureimagewithmask (char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap)
+rtexture_t *image_masktex;
+rtexture_t *loadtextureimagewithmask (char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap, qboolean precache)
{
- int texnum, count;
+ int count;
byte *data;
char *filename2;
- image_masktexnum = 0;
+ rtexture_t *rt;
+ image_masktex = NULL;
if (!(data = loadimagepixels (filename, complain, matchwidth, matchheight)))
return 0;
- texnum = GL_LoadTexture (filename, image_width, image_height, data, mipmap, true, 4);
+ rt = R_LoadTexture (filename, image_width, image_height, data, TEXF_ALPHA | TEXF_RGBA | (mipmap ? TEXF_MIPMAP : 0) | (mipmap ? TEXF_PRECACHE : 0));
count = image_makemask(data, data, image_width * image_height);
if (count)
{
- filename2 = malloc(strlen(filename) + 6);
+ filename2 = qmalloc(strlen(filename) + 6);
sprintf(filename2, "%s_mask", filename);
- image_masktexnum = GL_LoadTexture (filename2, image_width, image_height, data, mipmap, true, 4);
- free(filename2);
+ image_masktex = R_LoadTexture (filename2, image_width, image_height, data, TEXF_ALPHA | TEXF_RGBA | (mipmap ? TEXF_MIPMAP : 0) | (mipmap ? TEXF_PRECACHE : 0));
+ qfree(filename2);
}
- free(data);
- return texnum;
+ qfree(data);
+ return rt;
+}
+
+void Image_WriteTGARGB_preflipped (char *filename, int width, int height, byte *data)
+{
+ byte *buffer, *in, *out, *end;
+
+ buffer = qmalloc(width*height*3 + 18);
+
+ memset (buffer, 0, 18);
+ buffer[2] = 2; // uncompressed type
+ buffer[12] = (width >> 0) & 0xFF;
+ buffer[13] = (width >> 8) & 0xFF;
+ buffer[14] = (height >> 0) & 0xFF;
+ buffer[15] = (height >> 8) & 0xFF;
+ buffer[16] = 24; // pixel size
+
+ // swap rgb to bgr
+ in = data;
+ out = buffer + 18;
+ end = in + width*height*3;
+ for (;in < end;in += 3)
+ {
+ *out++ = in[2];
+ *out++ = in[1];
+ *out++ = in[0];
+ }
+ COM_WriteFile (filename, buffer, width*height*3 + 18 );
+
+ qfree(buffer);
}
void Image_WriteTGARGB (char *filename, int width, int height, byte *data)
int y;
byte *buffer, *in, *out, *end;
- buffer = malloc(width*height*3 + 18);
+ buffer = qmalloc(width*height*3 + 18);
memset (buffer, 0, 18);
buffer[2] = 2; // uncompressed type
}
COM_WriteFile (filename, buffer, width*height*3 + 18 );
- free(buffer);
+ qfree(buffer);
}
void Image_WriteTGARGBA (char *filename, int width, int height, byte *data)
int y;
byte *buffer, *in, *out, *end;
- buffer = malloc(width*height*4 + 18);
+ buffer = qmalloc(width*height*4 + 18);
memset (buffer, 0, 18);
buffer[2] = 2; // uncompressed type
}
COM_WriteFile (filename, buffer, width*height*4 + 18 );
- free(buffer);
+ qfree(buffer);
+}
+
+qboolean Image_CheckAlpha(byte *data, int size, qboolean rgba)
+{
+ byte *end;
+ if (rgba)
+ {
+ // check alpha bytes
+ for (end = data + size * 4, data += 3;data < end;data += 4)
+ if (*data < 255)
+ return 1;
+ }
+ else
+ {
+ // color 255 is transparent
+ for (end = data + size;data < end;data++)
+ if (*data == 255)
+ return 1;
+ }
+ return 0;
}
projects / xonotic / darkplaces.git / blobdiff