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 RGBA, in can not be the same as out
19 void Image_Copy8bitRGBA(const unsigned char *in, unsigned char *out, int pixels, const unsigned int *pal);
21 // makes a RGBA mask from RGBA input, in can be the same as out
22 int image_makemask (const unsigned char *in, unsigned char *out, int size);
24 unsigned char *LoadTGA (const unsigned char *f, int matchwidth, int matchheight);
26 // loads a texture, as pixel data
27 unsigned char *loadimagepixels (const char *filename, qboolean complain, int matchwidth, int matchheight);
29 // loads a texture, as a texture
30 rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags);
32 // loads a texture's alpha mask, as pixel data
33 unsigned char *loadimagepixelsmask (const char *filename, qboolean complain, int matchwidth, int matchheight);
35 // loads a texture's alpha mask, as a texture
36 rtexture_t *loadtextureimagemask (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags);
38 // loads a texture and it's alpha mask at once (NULL if it has no translucent pixels)
39 extern rtexture_t *image_masktex;
40 extern rtexture_t *image_nmaptex;
41 rtexture_t *loadtextureimagewithmask (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags);
42 rtexture_t *loadtextureimagewithmaskandnmap (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags, float bumpscale);
43 rtexture_t *loadtextureimagebumpasnmap (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags, float bumpscale);
45 // writes a RGB TGA that is already upside down (which TGA wants)
46 qboolean Image_WriteTGARGB_preflipped (const char *filename, int width, int height, const unsigned char *data, unsigned char *buffer);
49 void Image_WriteTGARGB (const char *filename, int width, int height, const unsigned char *data);
52 void Image_WriteTGARGBA (const char *filename, int width, int height, const unsigned char *data);
54 // returns true if the image has some translucent pixels
55 qboolean Image_CheckAlpha(const unsigned char *data, int size, qboolean rgba);
57 // resizes the image (in can not be the same as out)
58 void Image_Resample (const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int bytesperpixel, int quality);
60 // scales the image down by a power of 2 (in can be the same as out)
61 void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth, int bytesperpixel);
63 // only used by menuplyr coloring
64 unsigned char *LoadLMP (const unsigned char *f, int matchwidth, int matchheight, qboolean loadAs8Bit);
66 void Image_HeightmapToNormalmap(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale);
68 typedef struct imageskin_s
70 unsigned char *basepixels;int basepixels_width;int basepixels_height;
71 unsigned char *nmappixels;int nmappixels_width;int nmappixels_height;
72 unsigned char *glowpixels;int glowpixels_width;int glowpixels_height;
73 unsigned char *glosspixels;int glosspixels_width;int glosspixels_height;
74 unsigned char *pantspixels;int pantspixels_width;int pantspixels_height;
75 unsigned char *shirtpixels;int shirtpixels_width;int shirtpixels_height;
76 unsigned char *maskpixels;int maskpixels_width;int maskpixels_height;
80 int image_loadskin(imageskin_t *s, char *name);
81 void image_freeskin(imageskin_t *s);