11 void Image_CopyAlphaFromBlueBGRA(unsigned char *outpixels, const unsigned char *inpixels, int w, int h)
15 for(i = 0; i < n; ++i)
16 outpixels[4*i+3] = inpixels[4*i]; // blue channel
20 // written by LordHavoc in a readable way, optimized by Vic, further optimized by LordHavoc (the non-special index case), readable version preserved below this
21 void Image_CopyMux(unsigned char *outpixels, const unsigned char *inpixels, int inputwidth, int inputheight, qboolean inputflipx, qboolean inputflipy, qboolean inputflipdiagonal, int numoutputcomponents, int numinputcomponents, int *outputinputcomponentindices)
24 const unsigned char *in, *line;
25 int row_inc = (inputflipy ? -inputwidth : inputwidth) * numinputcomponents, col_inc = (inputflipx ? -1 : 1) * numinputcomponents;
26 int row_ofs = (inputflipy ? (inputheight - 1) * inputwidth * numinputcomponents : 0), col_ofs = (inputflipx ? (inputwidth - 1) * numinputcomponents : 0);
28 for (c = 0; c < numoutputcomponents; c++)
29 if (outputinputcomponentindices[c] & 0x80000000)
31 if (c < numoutputcomponents)
33 // special indices used
34 if (inputflipdiagonal)
36 for (x = 0, line = inpixels + col_ofs; x < inputwidth; x++, line += col_inc)
37 for (y = 0, in = line + row_ofs; y < inputheight; y++, in += row_inc, outpixels += numoutputcomponents)
38 for (c = 0; c < numoutputcomponents; c++)
39 outpixels[c] = ((index = outputinputcomponentindices[c]) & 0x80000000) ? index : in[index];
43 for (y = 0, line = inpixels + row_ofs; y < inputheight; y++, line += row_inc)
44 for (x = 0, in = line + col_ofs; x < inputwidth; x++, in += col_inc, outpixels += numoutputcomponents)
45 for (c = 0; c < numoutputcomponents; c++)
46 outpixels[c] = ((index = outputinputcomponentindices[c]) & 0x80000000) ? index : in[index];
51 // special indices not used
52 if (inputflipdiagonal)
54 for (x = 0, line = inpixels + col_ofs; x < inputwidth; x++, line += col_inc)
55 for (y = 0, in = line + row_ofs; y < inputheight; y++, in += row_inc, outpixels += numoutputcomponents)
56 for (c = 0; c < numoutputcomponents; c++)
57 outpixels[c] = in[outputinputcomponentindices[c]];
61 for (y = 0, line = inpixels + row_ofs; y < inputheight; y++, line += row_inc)
62 for (x = 0, in = line + col_ofs; x < inputwidth; x++, in += col_inc, outpixels += numoutputcomponents)
63 for (c = 0; c < numoutputcomponents; c++)
64 outpixels[c] = in[outputinputcomponentindices[c]];
69 // intentionally readable version
70 void Image_CopyMux(unsigned char *outpixels, const unsigned char *inpixels, int inputwidth, int inputheight, qboolean inputflipx, qboolean inputflipy, qboolean inputflipdiagonal, int numoutputcomponents, int numinputcomponents, int *outputinputcomponentindices)
73 const unsigned char *in, *inrow, *incolumn;
74 if (inputflipdiagonal)
76 for (x = 0;x < inputwidth;x++)
78 for (y = 0;y < inputheight;y++)
80 in = inpixels + ((inputflipy ? inputheight - 1 - y : y) * inputwidth + (inputflipx ? inputwidth - 1 - x : x)) * numinputcomponents;
81 for (c = 0;c < numoutputcomponents;c++)
83 index = outputinputcomponentindices[c];
84 if (index & 0x80000000)
87 *outpixels++ = in[index];
94 for (y = 0;y < inputheight;y++)
96 for (x = 0;x < inputwidth;x++)
98 in = inpixels + ((inputflipy ? inputheight - 1 - y : y) * inputwidth + (inputflipx ? inputwidth - 1 - x : x)) * numinputcomponents;
99 for (c = 0;c < numoutputcomponents;c++)
101 index = outputinputcomponentindices[c];
102 if (index & 0x80000000)
103 *outpixels++ = index;
105 *outpixels++ = in[index];
113 void Image_GammaRemapRGB(const unsigned char *in, unsigned char *out, int pixels, const unsigned char *gammar, const unsigned char *gammag, const unsigned char *gammab)
117 out[0] = gammar[in[0]];
118 out[1] = gammag[in[1]];
119 out[2] = gammab[in[2]];
125 // note: pal must be 32bit color
126 void Image_Copy8bitBGRA(const unsigned char *in, unsigned char *out, int pixels, const unsigned int *pal)
128 int *iout = (int *)out;
131 iout[0] = pal[in[0]];
132 iout[1] = pal[in[1]];
133 iout[2] = pal[in[2]];
134 iout[3] = pal[in[3]];
135 iout[4] = pal[in[4]];
136 iout[5] = pal[in[5]];
137 iout[6] = pal[in[6]];
138 iout[7] = pal[in[7]];
145 iout[0] = pal[in[0]];
146 iout[1] = pal[in[1]];
147 iout[2] = pal[in[2]];
148 iout[3] = pal[in[3]];
154 iout[0] = pal[in[0]];
155 iout[1] = pal[in[1]];
160 iout[0] = pal[in[0]];
164 =================================================================
168 =================================================================
177 unsigned short xmin,ymin,xmax,ymax;
178 unsigned short hres,vres;
179 unsigned char palette[48];
182 unsigned short bytes_per_line;
183 unsigned short palette_type;
192 unsigned char* LoadPCX_BGRA (const unsigned char *f, int filesize)
195 unsigned char *a, *b, *image_buffer, *pbuf;
196 const unsigned char *palette, *fin, *enddata;
197 int x, y, x2, dataByte;
199 if (filesize < (int)sizeof(pcx) + 768)
201 Con_Print("Bad pcx file\n");
207 memcpy(&pcx, fin, sizeof(pcx));
210 // LordHavoc: big-endian support ported from QF newtree
211 pcx.xmax = LittleShort (pcx.xmax);
212 pcx.xmin = LittleShort (pcx.xmin);
213 pcx.ymax = LittleShort (pcx.ymax);
214 pcx.ymin = LittleShort (pcx.ymin);
215 pcx.hres = LittleShort (pcx.hres);
216 pcx.vres = LittleShort (pcx.vres);
217 pcx.bytes_per_line = LittleShort (pcx.bytes_per_line);
218 pcx.palette_type = LittleShort (pcx.palette_type);
220 image_width = pcx.xmax + 1 - pcx.xmin;
221 image_height = pcx.ymax + 1 - pcx.ymin;
222 if (pcx.manufacturer != 0x0a || pcx.version != 5 || pcx.encoding != 1 || pcx.bits_per_pixel != 8 || image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
224 Con_Print("Bad pcx file\n");
228 palette = f + filesize - 768;
230 image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width*image_height*4);
233 Con_Printf("LoadPCX: not enough memory for %i by %i image\n", image_width, image_height);
236 pbuf = image_buffer + image_width*image_height*3;
239 for (y = 0;y < image_height && fin < enddata;y++)
241 a = pbuf + y * image_width;
242 for (x = 0;x < image_width && fin < enddata;)
249 x2 = x + (dataByte & 0x3F);
251 if (x2 > image_width)
252 x2 = image_width; // technically an error
259 while(x < image_width)
266 for(x = 0;x < image_width*image_height;x++)
283 qboolean LoadPCX_QWSkin(const unsigned char *f, int filesize, unsigned char *pixels, int outwidth, int outheight)
287 const unsigned char *fin, *enddata;
288 int x, y, x2, dataByte, pcxwidth, pcxheight;
290 if (filesize < (int)sizeof(pcx) + 768)
293 image_width = outwidth;
294 image_height = outheight;
297 memcpy(&pcx, fin, sizeof(pcx));
300 // LordHavoc: big-endian support ported from QF newtree
301 pcx.xmax = LittleShort (pcx.xmax);
302 pcx.xmin = LittleShort (pcx.xmin);
303 pcx.ymax = LittleShort (pcx.ymax);
304 pcx.ymin = LittleShort (pcx.ymin);
305 pcx.hres = LittleShort (pcx.hres);
306 pcx.vres = LittleShort (pcx.vres);
307 pcx.bytes_per_line = LittleShort (pcx.bytes_per_line);
308 pcx.palette_type = LittleShort (pcx.palette_type);
310 pcxwidth = pcx.xmax + 1 - pcx.xmin;
311 pcxheight = pcx.ymax + 1 - pcx.ymin;
312 if (pcx.manufacturer != 0x0a || pcx.version != 5 || pcx.encoding != 1 || pcx.bits_per_pixel != 8 || pcxwidth > 4096 || pcxheight > 4096 || pcxwidth <= 0 || pcxheight <= 0)
315 enddata = f + filesize - 768;
317 for (y = 0;y < outheight && fin < enddata;y++)
319 a = pixels + y * outwidth;
320 // pad the output with blank lines if needed
323 memset(a, 0, outwidth);
326 for (x = 0;x < pcxwidth;)
333 x2 = x + (dataByte & 0x3F);
345 if (x < outwidth) // truncate to destination width
358 =========================================================
362 =========================================================
365 typedef struct _TargaHeader
367 unsigned char id_length, colormap_type, image_type;
368 unsigned short colormap_index, colormap_length;
369 unsigned char colormap_size;
370 unsigned short x_origin, y_origin, width, height;
371 unsigned char pixel_size, attributes;
375 void PrintTargaHeader(TargaHeader *t)
377 Con_Printf("TargaHeader:\nuint8 id_length = %i;\nuint8 colormap_type = %i;\nuint8 image_type = %i;\nuint16 colormap_index = %i;\nuint16 colormap_length = %i;\nuint8 colormap_size = %i;\nuint16 x_origin = %i;\nuint16 y_origin = %i;\nuint16 width = %i;\nuint16 height = %i;\nuint8 pixel_size = %i;\nuint8 attributes = %i;\n", t->id_length, t->colormap_type, t->image_type, t->colormap_index, t->colormap_length, t->colormap_size, t->x_origin, t->y_origin, t->width, t->height, t->pixel_size, t->attributes);
385 unsigned char *LoadTGA_BGRA (const unsigned char *f, int filesize)
387 int x, y, pix_inc, row_inci, runlen, alphabits;
388 unsigned char *image_buffer;
389 unsigned int *pixbufi;
390 const unsigned char *fin, *enddata;
391 TargaHeader targa_header;
392 unsigned int palettei[256];
403 enddata = f + filesize;
405 targa_header.id_length = f[0];
406 targa_header.colormap_type = f[1];
407 targa_header.image_type = f[2];
409 targa_header.colormap_index = f[3] + f[4] * 256;
410 targa_header.colormap_length = f[5] + f[6] * 256;
411 targa_header.colormap_size = f[7];
412 targa_header.x_origin = f[8] + f[9] * 256;
413 targa_header.y_origin = f[10] + f[11] * 256;
414 targa_header.width = image_width = f[12] + f[13] * 256;
415 targa_header.height = image_height = f[14] + f[15] * 256;
416 targa_header.pixel_size = f[16];
417 targa_header.attributes = f[17];
419 if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
421 Con_Print("LoadTGA: invalid size\n");
422 PrintTargaHeader(&targa_header);
426 // advance to end of header
429 // skip TARGA image comment (usually 0 bytes)
430 fin += targa_header.id_length;
432 // read/skip the colormap if present (note: according to the TARGA spec it
433 // can be present even on truecolor or greyscale images, just not used by
435 if (targa_header.colormap_type)
437 if (targa_header.colormap_length > 256)
439 Con_Print("LoadTGA: only up to 256 colormap_length supported\n");
440 PrintTargaHeader(&targa_header);
443 if (targa_header.colormap_index)
445 Con_Print("LoadTGA: colormap_index not supported\n");
446 PrintTargaHeader(&targa_header);
449 if (targa_header.colormap_size == 24)
451 for (x = 0;x < targa_header.colormap_length;x++)
457 palettei[x] = bgra.i;
460 else if (targa_header.colormap_size == 32)
462 memcpy(palettei, fin, targa_header.colormap_length*4);
463 fin += targa_header.colormap_length * 4;
467 Con_Print("LoadTGA: Only 32 and 24 bit colormap_size supported\n");
468 PrintTargaHeader(&targa_header);
473 // check our pixel_size restrictions according to image_type
474 switch (targa_header.image_type & ~8)
477 if (targa_header.pixel_size != 24 && targa_header.pixel_size != 32)
479 Con_Print("LoadTGA: only 24bit and 32bit pixel sizes supported for type 2 and type 10 images\n");
480 PrintTargaHeader(&targa_header);
485 // set up a palette to make the loader easier
486 for (x = 0;x < 256;x++)
488 bgra.b[0] = bgra.b[1] = bgra.b[2] = x;
490 palettei[x] = bgra.i;
492 // fall through to colormap case
494 if (targa_header.pixel_size != 8)
496 Con_Print("LoadTGA: only 8bit pixel size for type 1, 3, 9, and 11 images supported\n");
497 PrintTargaHeader(&targa_header);
502 Con_Printf("LoadTGA: Only type 1, 2, 3, 9, 10, and 11 targa RGB images supported, image_type = %i\n", targa_header.image_type);
503 PrintTargaHeader(&targa_header);
507 if (targa_header.attributes & 0x10)
509 Con_Print("LoadTGA: origin must be in top left or bottom left, top right and bottom right are not supported\n");
513 // number of attribute bits per pixel, we only support 0 or 8
514 alphabits = targa_header.attributes & 0x0F;
515 if (alphabits != 8 && alphabits != 0)
517 Con_Print("LoadTGA: only 0 or 8 attribute (alpha) bits supported\n");
521 image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
524 Con_Printf("LoadTGA: not enough memory for %i by %i image\n", image_width, image_height);
528 // If bit 5 of attributes isn't set, the image has been stored from bottom to top
529 if ((targa_header.attributes & 0x20) == 0)
531 pixbufi = (unsigned int*)image_buffer + (image_height - 1)*image_width;
532 row_inci = -image_width*2;
536 pixbufi = (unsigned int*)image_buffer;
543 if ((targa_header.image_type & ~8) == 2)
544 pix_inc = (targa_header.pixel_size + 7) / 8;
545 switch (targa_header.image_type)
547 case 1: // colormapped, uncompressed
548 case 3: // greyscale, uncompressed
549 if (fin + image_width * image_height * pix_inc > enddata)
551 for (y = 0;y < image_height;y++, pixbufi += row_inci)
552 for (x = 0;x < image_width;x++)
553 *pixbufi++ = palettei[*fin++];
556 // BGR or BGRA, uncompressed
557 if (fin + image_width * image_height * pix_inc > enddata)
559 if (targa_header.pixel_size == 32 && alphabits)
561 for (y = 0;y < image_height;y++)
562 memcpy(pixbufi + y * (image_width + row_inci), fin + y * image_width * pix_inc, image_width*4);
566 for (y = 0;y < image_height;y++, pixbufi += row_inci)
568 for (x = 0;x < image_width;x++, fin += pix_inc)
579 case 9: // colormapped, RLE
580 case 11: // greyscale, RLE
581 for (y = 0;y < image_height;y++, pixbufi += row_inci)
583 for (x = 0;x < image_width;)
586 break; // error - truncated file
590 // RLE - all pixels the same color
592 if (fin + pix_inc > enddata)
593 break; // error - truncated file
594 if (x + runlen > image_width)
595 break; // error - line exceeds width
596 bgra.i = palettei[*fin++];
602 // uncompressed - all pixels different color
604 if (fin + pix_inc * runlen > enddata)
605 break; // error - truncated file
606 if (x + runlen > image_width)
607 break; // error - line exceeds width
609 *pixbufi++ = palettei[*fin++];
613 if (x != image_width)
615 // pixbufi is useless now
616 Con_Printf("LoadTGA: corrupt file\n");
623 if (targa_header.pixel_size == 32 && alphabits)
625 for (y = 0;y < image_height;y++, pixbufi += row_inci)
627 for (x = 0;x < image_width;)
630 break; // error - truncated file
634 // RLE - all pixels the same color
636 if (fin + pix_inc > enddata)
637 break; // error - truncated file
638 if (x + runlen > image_width)
639 break; // error - line exceeds width
650 // uncompressed - all pixels different color
652 if (fin + pix_inc * runlen > enddata)
653 break; // error - truncated file
654 if (x + runlen > image_width)
655 break; // error - line exceeds width
668 if (x != image_width)
670 // pixbufi is useless now
671 Con_Printf("LoadTGA: corrupt file\n");
678 for (y = 0;y < image_height;y++, pixbufi += row_inci)
680 for (x = 0;x < image_width;)
683 break; // error - truncated file
687 // RLE - all pixels the same color
689 if (fin + pix_inc > enddata)
690 break; // error - truncated file
691 if (x + runlen > image_width)
692 break; // error - line exceeds width
703 // uncompressed - all pixels different color
705 if (fin + pix_inc * runlen > enddata)
706 break; // error - truncated file
707 if (x + runlen > image_width)
708 break; // error - line exceeds width
721 if (x != image_width)
723 // pixbufi is useless now
724 Con_Printf("LoadTGA: corrupt file\n");
731 // unknown image_type
738 typedef struct q2wal_s
741 unsigned width, height;
742 unsigned offsets[MIPLEVELS]; // four mip maps stored
743 char animname[32]; // next frame in animation chain
749 unsigned char *LoadWAL_BGRA (const unsigned char *f, int filesize)
751 unsigned char *image_buffer;
752 const q2wal_t *inwal = (const q2wal_t *)f;
754 if (filesize < (int) sizeof(q2wal_t))
756 Con_Print("LoadWAL: invalid WAL file\n");
760 image_width = LittleLong(inwal->width);
761 image_height = LittleLong(inwal->height);
762 if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
764 Con_Printf("LoadWAL: invalid size %ix%i\n", image_width, image_height);
768 if (filesize < (int) sizeof(q2wal_t) + (int) LittleLong(inwal->offsets[0]) + image_width * image_height)
770 Con_Print("LoadWAL: invalid WAL file\n");
774 image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
777 Con_Printf("LoadWAL: not enough memory for %i by %i image\n", image_width, image_height);
780 Image_Copy8bitBGRA(f + LittleLong(inwal->offsets[0]), image_buffer, image_width * image_height, palette_bgra_complete);
785 void Image_StripImageExtension (const char *in, char *out, size_t size_out)
792 ext = FS_FileExtension(in);
793 if (ext && (!strcmp(ext, "tga") || !strcmp(ext, "pcx") || !strcmp(ext, "lmp") || !strcmp(ext, "png") || !strcmp(ext, "jpg")))
794 FS_StripExtension(in, out, size_out);
796 strlcpy(out, in, size_out);
799 static unsigned char image_linearfromsrgb[256];
801 void Image_MakeLinearColorsFromsRGB(unsigned char *pout, const unsigned char *pin, int numpixels)
804 // this math from http://www.opengl.org/registry/specs/EXT/texture_sRGB.txt
805 if (!image_linearfromsrgb[255])
806 for (i = 0;i < 256;i++)
807 image_linearfromsrgb[i] = i < 11 ? (int)(i / 12.92f) : (int)(pow((i/256.0f + 0.055f)/1.0555f, 2.4)*256.0f);
808 for (i = 0;i < numpixels;i++)
810 pout[i*4+0] = image_linearfromsrgb[pin[i*4+0]];
811 pout[i*4+1] = image_linearfromsrgb[pin[i*4+1]];
812 pout[i*4+2] = image_linearfromsrgb[pin[i*4+2]];
813 pout[i*4+3] = pin[i*4+3];
817 typedef struct imageformat_s
819 const char *formatstring;
820 unsigned char *(*loadfunc)(const unsigned char *f, int filesize);
824 // GAME_TENEBRAE only
825 imageformat_t imageformats_tenebrae[] =
827 {"override/%s.tga", LoadTGA_BGRA},
828 {"override/%s.png", PNG_LoadImage_BGRA},
829 {"override/%s.jpg", JPEG_LoadImage_BGRA},
830 {"override/%s.pcx", LoadPCX_BGRA},
831 {"%s.tga", LoadTGA_BGRA},
832 {"%s.png", PNG_LoadImage_BGRA},
833 {"%s.jpg", JPEG_LoadImage_BGRA},
834 {"%s.pcx", LoadPCX_BGRA},
838 imageformat_t imageformats_nopath[] =
840 {"override/%s.tga", LoadTGA_BGRA},
841 {"override/%s.png", PNG_LoadImage_BGRA},
842 {"override/%s.jpg", JPEG_LoadImage_BGRA},
843 {"textures/%s.tga", LoadTGA_BGRA},
844 {"textures/%s.png", PNG_LoadImage_BGRA},
845 {"textures/%s.jpg", JPEG_LoadImage_BGRA},
846 {"%s.tga", LoadTGA_BGRA},
847 {"%s.png", PNG_LoadImage_BGRA},
848 {"%s.jpg", JPEG_LoadImage_BGRA},
849 {"%s.pcx", LoadPCX_BGRA},
853 // GAME_DELUXEQUAKE only
854 // VorteX: the point why i use such messy texture paths is
855 // that GtkRadiant can't detect normal/gloss textures
856 // and exclude them from texture browser
857 // so i just use additional folder to store this textures
858 imageformat_t imageformats_dq[] =
860 {"%s.tga", LoadTGA_BGRA},
861 {"%s.jpg", JPEG_LoadImage_BGRA},
862 {"texturemaps/%s.tga", LoadTGA_BGRA},
863 {"texturemaps/%s.jpg", JPEG_LoadImage_BGRA},
867 imageformat_t imageformats_textures[] =
869 {"%s.tga", LoadTGA_BGRA},
870 {"%s.png", PNG_LoadImage_BGRA},
871 {"%s.jpg", JPEG_LoadImage_BGRA},
872 {"%s.pcx", LoadPCX_BGRA},
873 {"%s.wal", LoadWAL_BGRA},
877 imageformat_t imageformats_gfx[] =
879 {"%s.tga", LoadTGA_BGRA},
880 {"%s.png", PNG_LoadImage_BGRA},
881 {"%s.jpg", JPEG_LoadImage_BGRA},
882 {"%s.pcx", LoadPCX_BGRA},
886 imageformat_t imageformats_other[] =
888 {"%s.tga", LoadTGA_BGRA},
889 {"%s.png", PNG_LoadImage_BGRA},
890 {"%s.jpg", JPEG_LoadImage_BGRA},
891 {"%s.pcx", LoadPCX_BGRA},
895 int fixtransparentpixels(unsigned char *data, int w, int h);
896 unsigned char *loadimagepixelsbgra (const char *filename, qboolean complain, qboolean allowFixtrans, qboolean convertsRGB)
898 fs_offset_t filesize;
899 imageformat_t *firstformat, *format;
900 unsigned char *f, *data = NULL, *data2 = NULL;
901 char basename[MAX_QPATH], name[MAX_QPATH], name2[MAX_QPATH], *c;
902 //if (developer_memorydebug.integer)
903 // Mem_CheckSentinelsGlobal();
904 if (developer_texturelogging.integer)
905 Log_Printf("textures.log", "%s\n", filename);
906 Image_StripImageExtension(filename, basename, sizeof(basename)); // strip filename extensions to allow replacement by other types
907 // replace *'s with #, so commandline utils don't get confused when dealing with the external files
908 for (c = basename;*c;c++)
912 if (strchr(basename, '/'))
915 for (i = 0;i < (int)sizeof(name)-1 && basename[i] != '/';i++)
916 name[i] = basename[i];
919 if (gamemode == GAME_TENEBRAE)
920 firstformat = imageformats_tenebrae;
921 else if (gamemode == GAME_DELUXEQUAKE)
922 firstformat = imageformats_dq;
923 else if (!strcasecmp(name, "textures"))
924 firstformat = imageformats_textures;
925 else if (!strcasecmp(name, "gfx"))
926 firstformat = imageformats_gfx;
927 else if (!strchr(basename, '/'))
928 firstformat = imageformats_nopath;
930 firstformat = imageformats_other;
931 // now try all the formats in the selected list
932 for (format = firstformat;format->formatstring;format++)
934 dpsnprintf (name, sizeof(name), format->formatstring, basename);
935 f = FS_LoadFile(name, tempmempool, true, &filesize);
938 data = format->loadfunc(f, (int)filesize);
940 if(format->loadfunc == JPEG_LoadImage_BGRA) // jpeg can't do alpha, so let's simulate it by loading another jpeg
942 dpsnprintf (name2, sizeof(name2), format->formatstring, va("%s_alpha", basename));
943 f = FS_LoadFile(name2, tempmempool, true, &filesize);
946 data2 = format->loadfunc(f, (int)filesize);
948 Image_CopyAlphaFromBlueBGRA(data, data2, image_width, image_height);
954 if (developer_loading.integer)
955 Con_DPrintf("loaded image %s (%dx%d)\n", name, image_width, image_height);
956 //if (developer_memorydebug.integer)
957 // Mem_CheckSentinelsGlobal();
958 if(allowFixtrans && r_fixtrans_auto.integer)
960 int n = fixtransparentpixels(data, image_width, image_height);
963 Con_Printf("- had to fix %s (%d pixels changed)\n", name, n);
964 if(r_fixtrans_auto.integer >= 2)
966 char outfilename[MAX_QPATH], buf[MAX_QPATH];
967 Image_StripImageExtension(name, buf, sizeof(buf));
968 dpsnprintf(outfilename, sizeof(outfilename), "fixtrans/%s.tga", buf);
969 Image_WriteTGABGRA(outfilename, image_width, image_height, data);
970 Con_Printf("- %s written.\n", outfilename);
975 Image_MakeLinearColorsFromsRGB(data, data, image_width * image_height);
979 Con_DPrintf("Error loading image %s (file loaded but decode failed)\n", name);
984 Con_Printf("Couldn't load %s using ", filename);
985 for (format = firstformat;format->formatstring;format++)
987 dpsnprintf (name, sizeof(name), format->formatstring, basename);
988 Con_Printf(format == firstformat ? "\"%s\"" : (format[1].formatstring ? ", \"%s\"" : " or \"%s\".\n"), format->formatstring);
992 // texture loading can take a while, so make sure we're sending keepalives
993 CL_KeepaliveMessage(false);
995 //if (developer_memorydebug.integer)
996 // Mem_CheckSentinelsGlobal();
1000 rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, qboolean complain, int flags, qboolean allowFixtrans, qboolean convertsRGB)
1002 unsigned char *data;
1004 if (!(data = loadimagepixelsbgra (filename, complain, allowFixtrans, convertsRGB)))
1006 rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, TEXTYPE_BGRA, flags, NULL);
1011 int fixtransparentpixels(unsigned char *data, int w, int h)
1013 int const FIXTRANS_NEEDED = 1;
1014 int const FIXTRANS_HAS_L = 2;
1015 int const FIXTRANS_HAS_R = 4;
1016 int const FIXTRANS_HAS_U = 8;
1017 int const FIXTRANS_HAS_D = 16;
1018 int const FIXTRANS_FIXED = 32;
1019 unsigned char *fixMask = (unsigned char *) Mem_Alloc(tempmempool, w * h);
1021 int changedPixels = 0;
1024 #define FIXTRANS_PIXEL (y*w+x)
1025 #define FIXTRANS_PIXEL_U (((y+h-1)%h)*w+x)
1026 #define FIXTRANS_PIXEL_D (((y+1)%h)*w+x)
1027 #define FIXTRANS_PIXEL_L (y*w+((x+w-1)%w))
1028 #define FIXTRANS_PIXEL_R (y*w+((x+1)%w))
1030 memset(fixMask, 0, w * h);
1031 for(y = 0; y < h; ++y)
1032 for(x = 0; x < w; ++x)
1034 if(data[FIXTRANS_PIXEL * 4 + 3] == 0)
1036 fixMask[FIXTRANS_PIXEL] |= FIXTRANS_NEEDED;
1041 fixMask[FIXTRANS_PIXEL_D] |= FIXTRANS_HAS_U;
1042 fixMask[FIXTRANS_PIXEL_U] |= FIXTRANS_HAS_D;
1043 fixMask[FIXTRANS_PIXEL_R] |= FIXTRANS_HAS_L;
1044 fixMask[FIXTRANS_PIXEL_L] |= FIXTRANS_HAS_R;
1047 if(fixPixels == w * h)
1048 return 0; // sorry, can't do anything about this
1051 for(y = 0; y < h; ++y)
1052 for(x = 0; x < w; ++x)
1053 if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_NEEDED)
1055 unsigned int sumR = 0, sumG = 0, sumB = 0, sumA = 0, sumRA = 0, sumGA = 0, sumBA = 0, cnt = 0;
1056 unsigned char r, g, b, a, r0, g0, b0;
1057 if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_U)
1059 r = data[FIXTRANS_PIXEL_U * 4 + 2];
1060 g = data[FIXTRANS_PIXEL_U * 4 + 1];
1061 b = data[FIXTRANS_PIXEL_U * 4 + 0];
1062 a = data[FIXTRANS_PIXEL_U * 4 + 3];
1063 sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
1065 if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_D)
1067 r = data[FIXTRANS_PIXEL_D * 4 + 2];
1068 g = data[FIXTRANS_PIXEL_D * 4 + 1];
1069 b = data[FIXTRANS_PIXEL_D * 4 + 0];
1070 a = data[FIXTRANS_PIXEL_D * 4 + 3];
1071 sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
1073 if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_L)
1075 r = data[FIXTRANS_PIXEL_L * 4 + 2];
1076 g = data[FIXTRANS_PIXEL_L * 4 + 1];
1077 b = data[FIXTRANS_PIXEL_L * 4 + 0];
1078 a = data[FIXTRANS_PIXEL_L * 4 + 3];
1079 sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
1081 if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_R)
1083 r = data[FIXTRANS_PIXEL_R * 4 + 2];
1084 g = data[FIXTRANS_PIXEL_R * 4 + 1];
1085 b = data[FIXTRANS_PIXEL_R * 4 + 0];
1086 a = data[FIXTRANS_PIXEL_R * 4 + 3];
1087 sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
1091 r0 = data[FIXTRANS_PIXEL * 4 + 2];
1092 g0 = data[FIXTRANS_PIXEL * 4 + 1];
1093 b0 = data[FIXTRANS_PIXEL * 4 + 0];
1096 // there is a surrounding non-alpha pixel
1097 r = (sumRA + sumA / 2) / sumA;
1098 g = (sumGA + sumA / 2) / sumA;
1099 b = (sumBA + sumA / 2) / sumA;
1103 // need to use a "regular" average
1104 r = (sumR + cnt / 2) / cnt;
1105 g = (sumG + cnt / 2) / cnt;
1106 b = (sumB + cnt / 2) / cnt;
1108 if(r != r0 || g != g0 || b != b0)
1110 data[FIXTRANS_PIXEL * 4 + 2] = r;
1111 data[FIXTRANS_PIXEL * 4 + 1] = g;
1112 data[FIXTRANS_PIXEL * 4 + 0] = b;
1113 fixMask[FIXTRANS_PIXEL] |= FIXTRANS_FIXED;
1115 for(y = 0; y < h; ++y)
1116 for(x = 0; x < w; ++x)
1117 if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_FIXED)
1119 fixMask[FIXTRANS_PIXEL] &= ~(FIXTRANS_NEEDED | FIXTRANS_FIXED);
1120 fixMask[FIXTRANS_PIXEL_D] |= FIXTRANS_HAS_U;
1121 fixMask[FIXTRANS_PIXEL_U] |= FIXTRANS_HAS_D;
1122 fixMask[FIXTRANS_PIXEL_R] |= FIXTRANS_HAS_L;
1123 fixMask[FIXTRANS_PIXEL_L] |= FIXTRANS_HAS_R;
1127 return changedPixels;
1130 void Image_FixTransparentPixels_f(void)
1132 const char *filename, *filename_pattern;
1135 char outfilename[MAX_QPATH], buf[MAX_QPATH];
1136 unsigned char *data;
1139 Con_Printf("Usage: %s imagefile\n", Cmd_Argv(0));
1142 filename_pattern = Cmd_Argv(1);
1143 search = FS_Search(filename_pattern, true, true);
1146 for(i = 0; i < search->numfilenames; ++i)
1148 filename = search->filenames[i];
1149 Con_Printf("Processing %s... ", filename);
1150 Image_StripImageExtension(filename, buf, sizeof(buf));
1151 dpsnprintf(outfilename, sizeof(outfilename), "fixtrans/%s.tga", buf);
1152 if(!(data = loadimagepixelsbgra(filename, true, false, false)))
1154 if((n = fixtransparentpixels(data, image_width, image_height)))
1156 Image_WriteTGABGRA(outfilename, image_width, image_height, data);
1157 Con_Printf("%s written (%d pixels changed).\n", outfilename, n);
1160 Con_Printf("unchanged.\n");
1163 FS_FreeSearch(search);
1166 qboolean Image_WriteTGABGR_preflipped (const char *filename, int width, int height, const unsigned char *data)
1169 unsigned char buffer[18];
1170 const void *buffers[2];
1171 fs_offset_t sizes[2];
1173 memset (buffer, 0, 18);
1174 buffer[2] = 2; // uncompressed type
1175 buffer[12] = (width >> 0) & 0xFF;
1176 buffer[13] = (width >> 8) & 0xFF;
1177 buffer[14] = (height >> 0) & 0xFF;
1178 buffer[15] = (height >> 8) & 0xFF;
1179 buffer[16] = 24; // pixel size
1181 buffers[0] = buffer;
1184 sizes[1] = width*height*3;
1185 ret = FS_WriteFileInBlocks(filename, buffers, sizes, 2);
1190 qboolean Image_WriteTGABGRA (const char *filename, int width, int height, const unsigned char *data)
1193 unsigned char *buffer, *out;
1194 const unsigned char *in, *end;
1197 buffer = (unsigned char *)Mem_Alloc(tempmempool, width*height*4 + 18);
1199 memset (buffer, 0, 18);
1200 buffer[2] = 2; // uncompressed type
1201 buffer[12] = (width >> 0) & 0xFF;
1202 buffer[13] = (width >> 8) & 0xFF;
1203 buffer[14] = (height >> 0) & 0xFF;
1204 buffer[15] = (height >> 8) & 0xFF;
1206 for (y = 3;y < width*height*4;y += 4)
1210 if (y < width*height*4)
1212 // save the alpha channel
1213 buffer[16] = 32; // pixel size
1214 buffer[17] = 8; // 8 bits of alpha
1218 for (y = height - 1;y >= 0;y--)
1220 memcpy(out, data + y * width * 4, width * 4);
1226 // save only the color channels
1227 buffer[16] = 24; // pixel size
1228 buffer[17] = 0; // 8 bits of alpha
1230 // truncate bgra to bgr and flip upside down
1232 for (y = height - 1;y >= 0;y--)
1234 in = data + y * width * 4;
1235 end = in + width * 4;
1236 for (;in < end;in += 4)
1244 ret = FS_WriteFile (filename, buffer, out - buffer);
1251 static void Image_Resample32LerpLine (const unsigned char *in, unsigned char *out, int inwidth, int outwidth)
1253 int j, xi, oldx = 0, f, fstep, endx, lerp;
1254 fstep = (int) (inwidth*65536.0f/outwidth);
1256 for (j = 0,f = 0;j < outwidth;j++, f += fstep)
1261 in += (xi - oldx) * 4;
1267 *out++ = (unsigned char) ((((in[4] - in[0]) * lerp) >> 16) + in[0]);
1268 *out++ = (unsigned char) ((((in[5] - in[1]) * lerp) >> 16) + in[1]);
1269 *out++ = (unsigned char) ((((in[6] - in[2]) * lerp) >> 16) + in[2]);
1270 *out++ = (unsigned char) ((((in[7] - in[3]) * lerp) >> 16) + in[3]);
1272 else // last pixel of the line has no pixel to lerp to
1282 #define LERPBYTE(i) r = resamplerow1[i];out[i] = (unsigned char) ((((resamplerow2[i] - r) * lerp) >> 16) + r)
1283 void Image_Resample32Lerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
1285 int i, j, r, yi, oldy, f, fstep, lerp, endy = (inheight-1), inwidth4 = inwidth*4, outwidth4 = outwidth*4;
1287 const unsigned char *inrow;
1288 unsigned char *resamplerow1;
1289 unsigned char *resamplerow2;
1290 out = (unsigned char *)outdata;
1291 fstep = (int) (inheight*65536.0f/outheight);
1293 resamplerow1 = (unsigned char *)Mem_Alloc(tempmempool, outwidth*4*2);
1294 resamplerow2 = resamplerow1 + outwidth*4;
1296 inrow = (const unsigned char *)indata;
1298 Image_Resample32LerpLine (inrow, resamplerow1, inwidth, outwidth);
1299 Image_Resample32LerpLine (inrow + inwidth4, resamplerow2, inwidth, outwidth);
1300 for (i = 0, f = 0;i < outheight;i++,f += fstep)
1308 inrow = (unsigned char *)indata + inwidth4*yi;
1310 memcpy(resamplerow1, resamplerow2, outwidth4);
1312 Image_Resample32LerpLine (inrow, resamplerow1, inwidth, outwidth);
1313 Image_Resample32LerpLine (inrow + inwidth4, resamplerow2, inwidth, outwidth);
1364 resamplerow1 -= outwidth4;
1365 resamplerow2 -= outwidth4;
1371 inrow = (unsigned char *)indata + inwidth4*yi;
1373 memcpy(resamplerow1, resamplerow2, outwidth4);
1375 Image_Resample32LerpLine (inrow, resamplerow1, inwidth, outwidth);
1378 memcpy(out, resamplerow1, outwidth4);
1382 Mem_Free(resamplerow1);
1383 resamplerow1 = NULL;
1384 resamplerow2 = NULL;
1387 void Image_Resample32Nolerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
1390 unsigned frac, fracstep;
1391 // relies on int being 4 bytes
1393 out = (int *)outdata;
1395 fracstep = inwidth*0x10000/outwidth;
1396 for (i = 0;i < outheight;i++)
1398 inrow = (int *)indata + inwidth*(i*inheight/outheight);
1399 frac = fracstep >> 1;
1403 out[0] = inrow[frac >> 16];frac += fracstep;
1404 out[1] = inrow[frac >> 16];frac += fracstep;
1405 out[2] = inrow[frac >> 16];frac += fracstep;
1406 out[3] = inrow[frac >> 16];frac += fracstep;
1412 out[0] = inrow[frac >> 16];frac += fracstep;
1413 out[1] = inrow[frac >> 16];frac += fracstep;
1418 out[0] = inrow[frac >> 16];frac += fracstep;
1429 void Image_Resample32(const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int quality)
1431 if (indepth != 1 || outdepth != 1)
1433 Con_Printf ("Image_Resample: 3D resampling not supported\n");
1437 Image_Resample32Lerp(indata, inwidth, inheight, outdata, outwidth, outheight);
1439 Image_Resample32Nolerp(indata, inwidth, inheight, outdata, outwidth, outheight);
1442 // in can be the same as out
1443 void Image_MipReduce32(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth)
1445 const unsigned char *inrow;
1447 if (*depth != 1 || destdepth != 1)
1449 Con_Printf ("Image_Resample: 3D resampling not supported\n");
1450 if (*width > destwidth)
1452 if (*height > destheight)
1454 if (*depth > destdepth)
1458 // note: if given odd width/height this discards the last row/column of
1459 // pixels, rather than doing a proper box-filter scale down
1461 nextrow = *width * 4;
1462 if (*width > destwidth)
1465 if (*height > destheight)
1469 for (y = 0;y < *height;y++, inrow += nextrow * 2)
1471 for (in = inrow, x = 0;x < *width;x++)
1473 out[0] = (unsigned char) ((in[0] + in[4] + in[nextrow ] + in[nextrow+4]) >> 2);
1474 out[1] = (unsigned char) ((in[1] + in[5] + in[nextrow+1] + in[nextrow+5]) >> 2);
1475 out[2] = (unsigned char) ((in[2] + in[6] + in[nextrow+2] + in[nextrow+6]) >> 2);
1476 out[3] = (unsigned char) ((in[3] + in[7] + in[nextrow+3] + in[nextrow+7]) >> 2);
1485 for (y = 0;y < *height;y++, inrow += nextrow)
1487 for (in = inrow, x = 0;x < *width;x++)
1489 out[0] = (unsigned char) ((in[0] + in[4]) >> 1);
1490 out[1] = (unsigned char) ((in[1] + in[5]) >> 1);
1491 out[2] = (unsigned char) ((in[2] + in[6]) >> 1);
1492 out[3] = (unsigned char) ((in[3] + in[7]) >> 1);
1501 if (*height > destheight)
1505 for (y = 0;y < *height;y++, inrow += nextrow * 2)
1507 for (in = inrow, x = 0;x < *width;x++)
1509 out[0] = (unsigned char) ((in[0] + in[nextrow ]) >> 1);
1510 out[1] = (unsigned char) ((in[1] + in[nextrow+1]) >> 1);
1511 out[2] = (unsigned char) ((in[2] + in[nextrow+2]) >> 1);
1512 out[3] = (unsigned char) ((in[3] + in[nextrow+3]) >> 1);
1519 Con_Printf ("Image_MipReduce: desired size already achieved\n");
1523 void Image_HeightmapToNormalmap_BGRA(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale)
1525 int x, y, x1, x2, y1, y2;
1526 const unsigned char *b, *row[3];
1529 float ibumpscale, n[3];
1530 ibumpscale = (255.0f * 6.0f) / bumpscale;
1532 for (y = 0, y1 = height-1;y < height;y1 = y, y++)
1534 y2 = y + 1;if (y2 >= height) y2 = 0;
1535 row[0] = inpixels + (y1 * width) * 4;
1536 row[1] = inpixels + (y * width) * 4;
1537 row[2] = inpixels + (y2 * width) * 4;
1538 for (x = 0, x1 = width-1;x < width;x1 = x, x++)
1540 x2 = x + 1;if (x2 >= width) x2 = 0;
1542 b = row[1] + x1 * 4;p[0] = (b[0] + b[1] + b[2]);
1543 b = row[1] + x2 * 4;p[1] = (b[0] + b[1] + b[2]);
1545 b = row[0] + x * 4;p[2] = (b[0] + b[1] + b[2]);
1546 b = row[2] + x * 4;p[3] = (b[0] + b[1] + b[2]);
1548 b = row[1] + x * 4;p[4] = (b[0] + b[1] + b[2]);
1549 // calculate a normal from the slopes
1554 // turn it into a dot3 rgb vector texture
1555 out[2] = (int)(128.0f + n[0] * 127.0f);
1556 out[1] = (int)(128.0f + n[1] * 127.0f);
1557 out[0] = (int)(128.0f + n[2] * 127.0f);
1558 out[3] = (p[4]) / 3;