6 extern int image_width, image_height;
9 // swizzle components (even converting number of components) and flip images
10 // (warning: input must be different than output due to non-linear read/write)
11 // (tip: component indices can contain values | 0x80000000 to tell it to
12 // store them directly into output, so 255 | 0x80000000 would write 255)
13 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);
15 // applies gamma correction to RGB pixels, in can be the same as out
16 void Image_GammaRemapRGB(const unsigned char *in, unsigned char *out, int pixels, const unsigned char *gammar, const unsigned char *gammag, const unsigned char *gammab);
18 // converts 8bit image data to BGRA, in can not be the same as out
19 void Image_Copy8bitBGRA(const unsigned char *in, unsigned char *out, int pixels, const unsigned int *pal);
21 void Image_StripImageExtension (const char *in, char *out, size_t size_out);
23 // called by conchars.tga loader in gl_draw.c, otherwise private
24 unsigned char *LoadTGA_BGRA (const unsigned char *f, int filesize);
26 // loads a texture, as pixel data
27 unsigned char *loadimagepixelsbgra (const char *filename, qboolean complain, qboolean allowFixtrans);
29 // loads an 8bit pcx image into a 296x194x8bit buffer, with cropping as needed
30 qboolean LoadPCX_QWSkin(const unsigned char *f, int filesize, unsigned char *pixels, int outwidth, int outheight);
32 // loads a texture, as a texture
33 rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, qboolean complain, int flags, qboolean allowFixtrans);
35 // writes an upside down BGR image into a TGA
36 qboolean Image_WriteTGABGR_preflipped (const char *filename, int width, int height, const unsigned char *data, unsigned char *buffer);
38 // writes a BGRA image into a TGA file
39 void Image_WriteTGABGRA (const char *filename, int width, int height, const unsigned char *data);
41 // resizes the image (in can not be the same as out)
42 void Image_Resample32(const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int quality);
44 // scales the image down by a power of 2 (in can be the same as out)
45 void Image_MipReduce32(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth);
47 void Image_HeightmapToNormalmap_BGRA(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale);
49 // console command to fix the colors of transparent pixels (to prevent weird borders)
50 void Image_FixTransparentPixels_f(void);
51 extern cvar_t r_fixtrans_auto;