-extern void Image_Copy8bitRGBA(byte *in, byte *out, int pixels, int *pal);
-extern void Image_CopyRGBAGamma(byte *in, byte *out, int pixels);
-extern int image_makemask (byte *in, byte *out, int size);
-extern byte* loadimagepixels (char* filename, qboolean complain, int matchwidth, int matchheight);
-extern int loadtextureimage (char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap);
-extern byte* loadimagepixelsmask (char* filename, qboolean complain, int matchwidth, int matchheight);
-extern int loadtextureimagemask (char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap);
-extern int image_masktexnum;
-extern int loadtextureimagewithmask (char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap);
-extern void Image_WriteTGARGB (char *filename, int width, int height, byte *data);
+#ifndef IMAGE_H
+#define IMAGE_H
+
+extern int image_width, image_height;
+
+unsigned char *Image_GenerateNoTexture(void);
+
+// swizzle components (even converting number of components) and flip images
+// (warning: input must be different than output due to non-linear read/write)
+// (tip: component indices can contain values | 0x80000000 to tell it to
+// store them directly into output, so 255 | 0x80000000 would write 255)
+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);
+
+// applies gamma correction to RGB pixels, in can be the same as out
+void Image_GammaRemapRGB(const unsigned char *in, unsigned char *out, int pixels, const unsigned char *gammar, const unsigned char *gammag, const unsigned char *gammab);
+
+// converts 8bit image data to BGRA, in can not be the same as out
+void Image_Copy8bitBGRA(const unsigned char *in, unsigned char *out, int pixels, const unsigned int *pal);
+
+void Image_StripImageExtension (const char *in, char *out, size_t size_out);
+
+// called by conchars.tga loader in gl_draw.c, otherwise private
+unsigned char *LoadTGA_BGRA (const unsigned char *f, int filesize, int *miplevel);
+
+// loads a texture, as pixel data
+unsigned char *loadimagepixelsbgra (const char *filename, qboolean complain, qboolean allowFixtrans, qboolean convertsRGB, int *miplevel);
+
+// searches for lmp and wad pics of the provided name and returns true and their dimensions if found
+qboolean Image_GetStockPicSize(const char *filename, int *returnwidth, int *returnheight);
+
+// loads an 8bit pcx image into a 296x194x8bit buffer, with cropping as needed
+qboolean LoadPCX_QWSkin(const unsigned char *f, int filesize, unsigned char *pixels, int outwidth, int outheight);
+
+// loads the palette from an 8bit pcx image into your provided array
+qboolean LoadPCX_PaletteOnly(const unsigned char *f, int filesize, unsigned char *palette768b);
+
+// get the metadata from a Quake2 wal file
+qboolean LoadWAL_GetMetadata(const unsigned char *f, int filesize, int *retwidth, int *retheight, int *retflags, int *retvalue, int *retcontents, char *retanimname32c);
+
+// loads a texture, as a texture
+rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, qboolean complain, int flags, qboolean allowFixtrans, qboolean sRGB);
+
+// writes an upside down BGR image into a TGA
+qboolean Image_WriteTGABGR_preflipped (const char *filename, int width, int height, const unsigned char *data);
+
+// writes a BGRA image into a TGA file
+qboolean Image_WriteTGABGRA (const char *filename, int width, int height, const unsigned char *data);
+
+// resizes the image (in can not be the same as out)
+void Image_Resample32(const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int quality);
+
+// scales the image down by a power of 2 (in can be the same as out)
+void Image_MipReduce32(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth);
+
+void Image_HeightmapToNormalmap_BGRA(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale);
+
+// console command to fix the colors of transparent pixels (to prevent weird borders)
+void Image_FixTransparentPixels_f(void);
+extern cvar_t r_fixtrans_auto;
+
+#define Image_LinearFloatFromsRGBFloat(c) (((c) <= 0.04045f) ? (c) * (1.0f / 12.92f) : (float)pow(((c) + 0.055f)*(1.0f/1.055f), 2.4f))
+#define Image_sRGBFloatFromLinearFloat(c) (((c) < 0.0031308f) ? (c) * 12.92f : 1.055f * (float)pow((c), 1.0f/2.4f) - 0.055f)
+#define Image_LinearFloatFromsRGB(c) Image_LinearFloatFromsRGBFloat((c) * (1.0f / 255.0f))
+#define Image_sRGBFloatFromLinear(c) Image_sRGBFloatFromLinearFloat((c) * (1.0f / 255.0f))
+#define Image_sRGBFloatFromLinear_Lightmap(c) Image_sRGBFloatFromLinearFloat((c) * (2.0f / 255.0f)) * 0.5f
+
+void Image_MakeLinearColorsFromsRGB(unsigned char *pout, const unsigned char *pin, int numpixels);
+void Image_MakesRGBColorsFromLinear_Lightmap(unsigned char *pout, const unsigned char *pin, int numpixels);
+
+#endif
+
projects / xonotic / darkplaces.git / blobdiff