*/
unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, int matchheight)
{
- int x, y, row_inc, compressed, readpixelcount, red, green, blue, alpha, runlen, pindex, alphabits;
+ int x, y, pix_inc, row_inc, red, green, blue, alpha, runlen, alphabits;
unsigned char *pixbuf, *image_rgba;
const unsigned char *fin, *enddata;
unsigned char *p;
}
// check our pixel_size restrictions according to image_type
- if (targa_header.image_type == 2 || targa_header.image_type == 10)
+ switch (targa_header.image_type & ~8)
{
+ case 2:
if (targa_header.pixel_size != 24 && targa_header.pixel_size != 32)
{
Con_Print("LoadTGA: only 24bit and 32bit pixel sizes supported for type 2 and type 10 images\n");
PrintTargaHeader(&targa_header);
return NULL;
}
- }
- else if (targa_header.image_type == 1 || targa_header.image_type == 9)
- {
- if (targa_header.pixel_size != 8)
+ break;
+ case 3:
+ // set up a palette to make the loader easier
+ for (x = 0;x < 256;x++)
{
- Con_Print("LoadTGA: only 8bit pixel size for type 1, 3, 9, and 11 images supported\n");
- PrintTargaHeader(&targa_header);
- return NULL;
+ palette[x*4+2] = x;
+ palette[x*4+1] = x;
+ palette[x*4+0] = x;
+ palette[x*4+3] = 255;
}
- }
- else if (targa_header.image_type == 3 || targa_header.image_type == 11)
- {
+ // fall through to colormap case
+ case 1:
if (targa_header.pixel_size != 8)
{
Con_Print("LoadTGA: only 8bit pixel size for type 1, 3, 9, and 11 images supported\n");
PrintTargaHeader(&targa_header);
return NULL;
}
- }
- else
- {
+ break;
+ default:
Con_Printf("LoadTGA: Only type 1, 2, 3, 9, 10, and 11 targa RGB images supported, image_type = %i\n", targa_header.image_type);
PrintTargaHeader(&targa_header);
return NULL;
row_inc = 0;
}
- compressed = targa_header.image_type == 9 || targa_header.image_type == 10 || targa_header.image_type == 11;
x = 0;
y = 0;
red = green = blue = alpha = 255;
- while (y < image_height)
- {
- // decoder is mostly the same whether it's compressed or not
- readpixelcount = 1000000;
- runlen = 1000000;
- if (compressed && fin < enddata)
+ pix_inc = 1;
+ if ((targa_header.image_type & ~8) == 2)
+ pix_inc = targa_header.pixel_size / 8;
+ switch (targa_header.image_type)
+ {
+ case 1: // colormapped, uncompressed
+ case 3: // greyscale, uncompressed
+ if (fin + image_width * image_height * pix_inc > enddata)
+ break;
+ for (y = 0;y < image_height;y++, pixbuf += row_inc)
{
- runlen = *fin++;
- // high bit indicates this is an RLE compressed run
- if (runlen & 0x80)
- readpixelcount = 1;
- runlen = 1 + (runlen & 0x7f);
+ for (x = 0;x < image_width;x++)
+ {
+ p = palette + *fin++ * 4;
+ *pixbuf++ = p[0];
+ *pixbuf++ = p[1];
+ *pixbuf++ = p[2];
+ *pixbuf++ = p[3];
+ }
}
-
- while((runlen--) && y < image_height)
+ break;
+ case 2:
+ // BGR or BGRA, uncompressed
+ if (fin + image_width * image_height * pix_inc > enddata)
+ break;
+ if (targa_header.pixel_size == 32 && alphabits)
+ {
+ for (y = 0;y < image_height;y++, pixbuf += row_inc)
+ {
+ for (x = 0;x < image_width;x++, fin += pix_inc)
+ {
+ *pixbuf++ = fin[2];
+ *pixbuf++ = fin[1];
+ *pixbuf++ = fin[0];
+ *pixbuf++ = fin[3];
+ }
+ }
+ }
+ else
{
- if (readpixelcount > 0)
+ for (y = 0;y < image_height;y++, pixbuf += row_inc)
{
- readpixelcount--;
- red = green = blue = alpha = 255;
- if (fin < enddata)
+ for (x = 0;x < image_width;x++, fin += pix_inc)
{
- switch(targa_header.image_type)
+ *pixbuf++ = fin[2];
+ *pixbuf++ = fin[1];
+ *pixbuf++ = fin[0];
+ *pixbuf++ = 255;
+ }
+ }
+ }
+ break;
+ case 9: // colormapped, RLE
+ case 11: // greyscale, RLE
+ for (y = 0;y < image_height;y++, pixbuf += row_inc)
+ {
+ for (x = 0;x < image_width;)
+ {
+ if (fin >= enddata)
+ break; // error - truncated file
+ runlen = *fin++;
+ if (runlen & 0x80)
+ {
+ // RLE - all pixels the same color
+ runlen += 1 - 0x80;
+ if (fin + pix_inc > enddata)
+ break; // error - truncated file
+ if (x + runlen > image_width)
+ break; // error - line exceeds width
+ p = palette + *fin++ * 4;
+ red = p[0];
+ green = p[1];
+ blue = p[2];
+ alpha = p[3];
+ for (;runlen--;x++)
{
- case 1:
- case 9:
- // colormapped
- pindex = *fin++;
- if (pindex >= targa_header.colormap_length)
- pindex = 0; // error
- p = palette + pindex * 4;
- red = p[0];
- green = p[1];
- blue = p[2];
- alpha = p[3];
- break;
- case 2:
- case 10:
- // BGR or BGRA
- blue = *fin++;
- if (fin < enddata)
- green = *fin++;
- if (fin < enddata)
- red = *fin++;
- if (targa_header.pixel_size == 32 && fin < enddata)
- alpha = *fin++;
- break;
- case 3:
- case 11:
- // greyscale
- red = green = blue = *fin++;
- break;
+ *pixbuf++ = red;
+ *pixbuf++ = green;
+ *pixbuf++ = blue;
+ *pixbuf++ = alpha;
+ }
+ }
+ else
+ {
+ // uncompressed - all pixels different color
+ runlen++;
+ if (fin + pix_inc * runlen > enddata)
+ break; // error - truncated file
+ if (x + runlen > image_width)
+ break; // error - line exceeds width
+ for (;runlen--;x++)
+ {
+ p = palette + *fin++ * 4;
+ *pixbuf++ = p[0];
+ *pixbuf++ = p[1];
+ *pixbuf++ = p[2];
+ *pixbuf++ = p[3];
}
- if (!alphabits)
- alpha = 255;
}
}
- *pixbuf++ = red;
- *pixbuf++ = green;
- *pixbuf++ = blue;
- *pixbuf++ = alpha;
- x++;
- if (x == image_width)
+ }
+ break;
+ case 10:
+ // BGR or BGRA, RLE
+ if (targa_header.pixel_size == 32 && alphabits)
+ {
+ for (y = 0;y < image_height;y++, pixbuf += row_inc)
{
- // end of line, advance to next
- x = 0;
- y++;
- pixbuf += row_inc;
+ for (x = 0;x < image_width;)
+ {
+ if (fin >= enddata)
+ break; // error - truncated file
+ runlen = *fin++;
+ if (runlen & 0x80)
+ {
+ // RLE - all pixels the same color
+ runlen += 1 - 0x80;
+ if (fin + pix_inc > enddata)
+ break; // error - truncated file
+ if (x + runlen > image_width)
+ break; // error - line exceeds width
+ red = fin[2];
+ green = fin[1];
+ blue = fin[0];
+ alpha = fin[3];
+ fin += pix_inc;
+ for (;runlen--;x++)
+ {
+ *pixbuf++ = red;
+ *pixbuf++ = green;
+ *pixbuf++ = blue;
+ *pixbuf++ = alpha;
+ }
+ }
+ else
+ {
+ // uncompressed - all pixels different color
+ runlen++;
+ if (fin + pix_inc * runlen > enddata)
+ break; // error - truncated file
+ if (x + runlen > image_width)
+ break; // error - line exceeds width
+ for (;runlen--;x++, fin += pix_inc)
+ {
+ *pixbuf++ = fin[2];
+ *pixbuf++ = fin[1];
+ *pixbuf++ = fin[0];
+ *pixbuf++ = fin[3];
+ }
+ }
+ }
}
}
+ else
+ {
+ for (y = 0;y < image_height;y++, pixbuf += row_inc)
+ {
+ for (x = 0;x < image_width;)
+ {
+ if (fin >= enddata)
+ break; // error - truncated file
+ runlen = *fin++;
+ if (runlen & 0x80)
+ {
+ // RLE - all pixels the same color
+ runlen += 1 - 0x80;
+ if (fin + pix_inc > enddata)
+ break; // error - truncated file
+ if (x + runlen > image_width)
+ break; // error - line exceeds width
+ red = fin[2];
+ green = fin[1];
+ blue = fin[0];
+ alpha = 255;
+ fin += pix_inc;
+ for (;runlen--;x++)
+ {
+ *pixbuf++ = red;
+ *pixbuf++ = green;
+ *pixbuf++ = blue;
+ *pixbuf++ = alpha;
+ }
+ }
+ else
+ {
+ // uncompressed - all pixels different color
+ runlen++;
+ if (fin + pix_inc * runlen > enddata)
+ break; // error - truncated file
+ if (x + runlen > image_width)
+ break; // error - line exceeds width
+ for (;runlen--;x++, fin += pix_inc)
+ {
+ *pixbuf++ = fin[2];
+ *pixbuf++ = fin[1];
+ *pixbuf++ = fin[0];
+ *pixbuf++ = 255;
+ }
+ }
+ }
+ }
+ }
+ break;
+ default:
+ // unknown image_type
+ break;
}
return image_rgba;
return image_buffer;
}
-static unsigned char *LoadLMPRGBA (const unsigned char *f, int filesize, int matchwidth, int matchheight)
-{
- return LoadLMP(f, filesize, matchwidth, matchheight, false);
-}
-
typedef struct q2wal_s
{
strcpy(out, in);
}
-struct imageformat_s
+typedef struct imageformat_s
{
const char *formatstring;
unsigned char *(*loadfunc)(const unsigned char *f, int filesize, int matchwidth, int matchheight);
}
-imageformats[] =
+imageformat_t;
+
+// GAME_TENEBRAE only
+imageformat_t imageformats_tenebrae[] =
+{
+ {"override/%s.tga", LoadTGA},
+ {"override/%s.png", PNG_LoadImage},
+ {"override/%s.jpg", JPEG_LoadImage},
+ {"override/%s.pcx", LoadPCX},
+ {NULL, NULL}
+};
+
+imageformat_t imageformats_nopath[] =
{
{"override/%s.tga", LoadTGA},
{"override/%s.png", PNG_LoadImage},
{"textures/%s.tga", LoadTGA},
{"textures/%s.png", PNG_LoadImage},
{"textures/%s.jpg", JPEG_LoadImage},
- {"textures/%s.pcx", LoadPCX},
- {"textures/%s.wal", LoadWAL},
{"%s.tga", LoadTGA},
{"%s.png", PNG_LoadImage},
{"%s.jpg", JPEG_LoadImage},
{"%s.pcx", LoadPCX},
- {"%s.lmp", LoadLMPRGBA},
+ {NULL, NULL}
+};
+
+imageformat_t imageformats_textures[] =
+{
+ {"%s.tga", LoadTGA},
+ {"%s.png", PNG_LoadImage},
+ {"%s.jpg", JPEG_LoadImage},
+ {"%s.pcx", LoadPCX},
+ {"%s.wal", LoadWAL},
+ {NULL, NULL}
+};
+
+imageformat_t imageformats_gfx[] =
+{
+ {"%s.tga", LoadTGA},
+ {"%s.png", PNG_LoadImage},
+ {"%s.jpg", JPEG_LoadImage},
+ {"%s.pcx", LoadPCX},
+ {NULL, NULL}
+};
+
+imageformat_t imageformats_other[] =
+{
+ {"%s.tga", LoadTGA},
+ {"%s.png", PNG_LoadImage},
+ {"%s.jpg", JPEG_LoadImage},
+ {"%s.pcx", LoadPCX},
{NULL, NULL}
};
unsigned char *loadimagepixels (const char *filename, qboolean complain, int matchwidth, int matchheight)
{
- int i;
fs_offset_t filesize;
+ imageformat_t *firstformat, *format;
unsigned char *f, *data = NULL;
char basename[MAX_QPATH], name[MAX_QPATH], *c;
if (developer_memorydebug.integer)
for (c = basename;*c;c++)
if (*c == '*')
*c = '#';
- for (i = 0;imageformats[i].formatstring;i++)
+ name[0] = 0;
+ if (strchr(basename, '/'))
+ {
+ int i;
+ for (i = 0;i < (int)sizeof(name)-1 && basename[i] != '/';i++)
+ name[i] = basename[i];
+ name[i] = 0;
+ }
+ if (gamemode == GAME_TENEBRAE)
+ firstformat = imageformats_tenebrae;
+ else if (!strcasecmp(name, "textures"))
+ firstformat = imageformats_textures;
+ else if (!strcasecmp(name, "gfx"))
+ firstformat = imageformats_gfx;
+ else if (!strchr(name, '/'))
+ firstformat = imageformats_nopath;
+ else
+ firstformat = imageformats_other;
+ // now try all the formats in the selected list
+ for (format = firstformat;format->formatstring;format++)
{
- sprintf (name, imageformats[i].formatstring, basename);
+ sprintf (name, format->formatstring, basename);
f = FS_LoadFile(name, tempmempool, true, &filesize);
if (f)
{
- data = imageformats[i].loadfunc(f, filesize, matchwidth, matchheight);
+ data = format->loadfunc(f, filesize, matchwidth, matchheight);
Mem_Free(f);
if (data)
{
- Con_DPrintf("loaded image %s (%dx%d)\n", name, image_width, image_height);
+ if (developer.integer >= 10)
+ Con_Printf("loaded image %s (%dx%d)\n", name, image_width, image_height);
if (developer_memorydebug.integer)
Mem_CheckSentinelsGlobal();
return data;
if (complain)
{
Con_Printf("Couldn't load %s using ", filename);
- for (i = 0;imageformats[i].formatstring;i++)
+ for (format = firstformat;format->formatstring;format++)
{
- sprintf (name, imageformats[i].formatstring, basename);
- Con_Printf(i == 0 ? "\"%s\"" : (imageformats[i+1].formatstring ? ", \"%s\"" : " or \"%s\".\n"), imageformats[i].formatstring);
+ sprintf (name, format->formatstring, basename);
+ Con_Printf(format == firstformat ? "\"%s\"" : (format[1].formatstring ? ", \"%s\"" : " or \"%s\".\n"), format->formatstring);
}
}
if (developer_memorydebug.integer)
return NULL;
}
-int image_makemask (const unsigned char *in, unsigned char *out, int size)
-{
- int i, count;
- count = 0;
- for (i = 0;i < size;i++)
- {
- out[0] = out[1] = out[2] = 255;
- out[3] = in[3];
- if (in[3] != 255)
- count++;
- in += 4;
- out += 4;
- }
- return count;
-}
-
-unsigned char* loadimagepixelsmask (const char *filename, qboolean complain, int matchwidth, int matchheight)
-{
- unsigned char *in, *data;
- in = data = loadimagepixels(filename, complain, matchwidth, matchheight);
- if (!data)
- return NULL;
- if (image_makemask(data, data, image_width * image_height))
- return data; // some transparency
- else
- {
- Mem_Free(data);
- return NULL; // all opaque
- }
-}
-
rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags)
{
unsigned char *data;
return rt;
}
-rtexture_t *loadtextureimagemask (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags)
-{
- unsigned char *data;
- rtexture_t *rt;
- if (!(data = loadimagepixelsmask (filename, complain, matchwidth, matchheight)))
- return 0;
- rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, TEXTYPE_RGBA, flags, NULL);
- Mem_Free(data);
- return rt;
-}
-
-rtexture_t *image_masktex;
-rtexture_t *image_nmaptex;
-rtexture_t *loadtextureimagewithmask (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags)
-{
- unsigned char *data;
- rtexture_t *rt;
- image_masktex = NULL;
- image_nmaptex = NULL;
- if (!(data = loadimagepixels (filename, complain, matchwidth, matchheight)))
- return 0;
-
- rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, TEXTYPE_RGBA, flags, NULL);
-
- if (flags & TEXF_ALPHA && image_makemask(data, data, image_width * image_height))
- image_masktex = R_LoadTexture2D(pool, va("%s_mask", filename), image_width, image_height, data, TEXTYPE_RGBA, flags, NULL);
-
- Mem_Free(data);
- return rt;
-}
-
-rtexture_t *loadtextureimagewithmaskandnmap (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags, float bumpscale)
-{
- unsigned char *data, *data2;
- rtexture_t *rt;
- image_masktex = NULL;
- image_nmaptex = NULL;
- if (!(data = loadimagepixels (filename, complain, matchwidth, matchheight)))
- return 0;
-
- data2 = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
-
- rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, TEXTYPE_RGBA, flags, NULL);
-
- Image_HeightmapToNormalmap(data, data2, image_width, image_height, (flags & TEXF_CLAMP) != 0, bumpscale);
- image_nmaptex = R_LoadTexture2D(pool, va("%s_nmap", filename), image_width, image_height, data2, TEXTYPE_RGBA, flags, NULL);
-
- if (flags & TEXF_ALPHA && image_makemask(data, data2, image_width * image_height))
- image_masktex = R_LoadTexture2D(pool, va("%s_mask", filename), image_width, image_height, data2, TEXTYPE_RGBA, flags, NULL);
-
- Mem_Free(data2);
-
- Mem_Free(data);
- return rt;
-}
-
-rtexture_t *loadtextureimagebumpasnmap (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags, float bumpscale)
-{
- unsigned char *data, *data2;
- rtexture_t *rt;
- if (!(data = loadimagepixels (filename, complain, matchwidth, matchheight)))
- return 0;
- data2 = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
-
- Image_HeightmapToNormalmap(data, data2, image_width, image_height, (flags & TEXF_CLAMP) != 0, bumpscale);
- rt = R_LoadTexture2D(pool, filename, image_width, image_height, data2, TEXTYPE_RGBA, flags, NULL);
-
- Mem_Free(data2);
- Mem_Free(data);
- return rt;
-}
-
qboolean Image_WriteTGARGB_preflipped (const char *filename, int width, int height, const unsigned char *data, unsigned char *buffer)
{
qboolean ret;
return ret;
}
-void Image_WriteTGARGB (const char *filename, int width, int height, const unsigned char *data)
-{
- int y;
- unsigned char *buffer, *out;
- const unsigned char *in, *end;
-
- buffer = (unsigned char *)Mem_Alloc(tempmempool, 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 and flip upside down
- out = buffer + 18;
- for (y = height - 1;y >= 0;y--)
- {
- in = data + y * width * 3;
- end = in + width * 3;
- for (;in < end;in += 3)
- {
- *out++ = in[2];
- *out++ = in[1];
- *out++ = in[0];
- }
- }
- FS_WriteFile (filename, buffer, width*height*3 + 18 );
-
- Mem_Free(buffer);
-}
-
void Image_WriteTGARGBA (const char *filename, int width, int height, const unsigned char *data)
{
int y;
buffer[14] = (height >> 0) & 0xFF;
buffer[15] = (height >> 8) & 0xFF;
buffer[16] = 32; // pixel size
- buffer[17] = 8; // transparent flag? (seems to be needed by gimp)
+ buffer[17] = 8; // 8 bits of alpha
// swap rgba to bgra and flip upside down
out = buffer + 18;
Mem_Free(buffer);
}
-qboolean Image_CheckAlpha(const unsigned char *data, int size, qboolean rgba)
-{
- const unsigned char *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;
-}
-
static void Image_Resample32LerpLine (const unsigned char *in, unsigned char *out, int inwidth, int outwidth)
{
int j, xi, oldx = 0, f, fstep, endx, lerp;
if (*depth != 1 || destdepth != 1)
{
Con_Printf ("Image_Resample: 3D resampling not supported\n");
+ if (*width > destwidth)
+ *width >>= 1;
+ if (*height > destheight)
+ *height >>= 1;
+ if (*depth > destdepth)
+ *depth >>= 1;
return;
}
nextrow = *width * bytesperpixel;
n[2] = ibumpscale;
VectorNormalize(n);
*/
- out[0] = 128.0f + n[0] * 127.0f;
- out[1] = 128.0f + n[1] * 127.0f;
- out[2] = 128.0f + n[2] * 127.0f;
+ out[0] = (int)(128.0f + n[0] * 127.0f);
+ out[1] = (int)(128.0f + n[1] * 127.0f);
+ out[2] = (int)(128.0f + n[2] * 127.0f);
out[3] = (p0[0] + p0[1] + p0[2]) / 3;
out += 4;
}
s->basepixels_height = image_height;
bumppixels = NULL;bumppixels_width = 0;bumppixels_height = 0;
- if (Image_CheckAlpha(s->basepixels, s->basepixels_width * s->basepixels_height, true))
+ for (j = 3;j < s->basepixels_width * s->basepixels_height * 4;j += 4)
+ if (s->basepixels[j] < 255)
+ break;
+ if (j < s->basepixels_width * s->basepixels_height * 4)
{
+ // has transparent pixels
s->maskpixels = (unsigned char *)Mem_Alloc(loadmodel->mempool, s->basepixels_width * s->basepixels_height * 4);
s->maskpixels_width = s->basepixels_width;
s->maskpixels_height = s->basepixels_height;