image.h File Reference

#include <stddef.h>
#include "qtypes.h"
#include "cvar.h"
#include "r_textures.h"

Include dependency graph for image.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Macros
#define	Image_LinearFloatFromsRGB(c)
#define	Image_LinearFloatFromsRGBFloat(c)
#define	Image_sRGBFloatFromLinear(c)
#define	Image_sRGBFloatFromLinear_Lightmap(c)
#define	Image_sRGBFloatFromLinearFloat(c)

Functions
void	Image_Copy8bitBGRA (const unsigned char *in, unsigned char *out, int pixels, const unsigned int *pal)
void	Image_CopyMux (unsigned char *outpixels, const unsigned char *inpixels, int inputwidth, int inputheight, qbool inputflipx, qbool inputflipy, qbool inputflipdiagonal, int numoutputcomponents, int numinputcomponents, int *outputinputcomponentindices)
void	Image_FixTransparentPixels_f (cmd_state_t *cmd)
void	Image_GammaRemapRGB (const unsigned char *in, unsigned char *out, int pixels, const unsigned char *gammar, const unsigned char *gammag, const unsigned char *gammab)
unsigned char *	Image_GenerateNoTexture (void)
qbool	Image_GetStockPicSize (const char *filename, int *returnwidth, int *returnheight)
void	Image_HeightmapToNormalmap_BGRA (const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale)
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)
void	Image_MipReduce32 (const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth)
void	Image_Resample32 (const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int quality)
void	Image_StripImageExtension (const char *in, char *out, size_t size_out)
qbool	Image_WriteTGABGR_preflipped (const char *filename, int width, int height, const unsigned char *data)
qbool	Image_WriteTGABGRA (const char *filename, int width, int height, const unsigned char *data)
unsigned char *	loadimagepixelsbgra (const char *filename, qbool complain, qbool allowFixtrans, qbool convertsRGB, int *miplevel)
qbool	LoadPCX_PaletteOnly (const unsigned char *f, int filesize, unsigned char *palette768b)
qbool	LoadPCX_QWSkin (const unsigned char *f, int filesize, unsigned char *pixels, int outwidth, int outheight)
rtexture_t *	loadtextureimage (rtexturepool_t *pool, const char *filename, qbool complain, int flags, qbool allowFixtrans, qbool sRGB)
unsigned char *	LoadTGA_BGRA (const unsigned char *f, int filesize, int *miplevel)
qbool	LoadWAL_GetMetadata (const unsigned char *f, int filesize, int *retwidth, int *retheight, int *retflags, int *retvalue, int *retcontents, char *retanimname32c)

Variables
int	image_height
int	image_width
cvar_t	r_fixtrans_auto

Macro Definition Documentation

Image_LinearFloatFromsRGB

#define Image_LinearFloatFromsRGB

(

c

)

Value:

Image_LinearFloatFromsRGBFloat((c) * (1.0f / 255.0f))

Definition at line 69 of file image.h.

Referenced by CL_NewParticle(), CL_SpawnDecalParticleForSurface(), Image_MakeLinearColorsFromsRGB(), Mod_Q3BSP_LoadLightGrid(), Mod_Q3BSP_LoadVertices(), R_LoadTextureDDSFile(), and V_CalcViewBlend().

Image_LinearFloatFromsRGBFloat

#define Image_LinearFloatFromsRGBFloat

(

c

)

Value:

(((c) <= 0.04045f) ? (c) * (1.0f / 12.92f) : (float)pow(((c) + 0.055f)*(1.0f/1.055f), 2.4f))

Definition at line 67 of file image.h.

Image_sRGBFloatFromLinear

#define Image_sRGBFloatFromLinear

(

c

)

Value:

Image_sRGBFloatFromLinearFloat((c) * (1.0f / 255.0f))

Definition at line 70 of file image.h.

Image_sRGBFloatFromLinear_Lightmap

#define Image_sRGBFloatFromLinear_Lightmap

(

c

)

Value:

Image_sRGBFloatFromLinearFloat((c) * (2.0f / 255.0f)) * 0.5f

Definition at line 71 of file image.h.

Referenced by Image_MakesRGBColorsFromLinear_Lightmap(), Mod_Q3BSP_LoadLightGrid(), and Mod_Q3BSP_LoadVertices().

Image_sRGBFloatFromLinearFloat

#define Image_sRGBFloatFromLinearFloat

(

c

)

Value:

(((c) < 0.0031308f) ? (c) * 12.92f : 1.055f * (float)pow((c), 1.0f/2.4f) - 0.055f)

Definition at line 68 of file image.h.

Referenced by R_RenderView(), and VID_BuildGammaTables().

Function Documentation

Image_Copy8bitBGRA()

void Image_Copy8bitBGRA	(	const unsigned char *	in,
		unsigned char *	out,
		int	pixels,
		const unsigned int *	pal )

Definition at line 129 of file image.c.

{
    int *iout = (int *)out;
    while (pixels >= 8)
    {
        iout[0] = pal[in[0]];
        iout[1] = pal[in[1]];
        iout[2] = pal[in[2]];
        iout[3] = pal[in[3]];
        iout[4] = pal[in[4]];
        iout[5] = pal[in[5]];
        iout[6] = pal[in[6]];
        iout[7] = pal[in[7]];
        in += 8;
        iout += 8;
        pixels -= 8;
    }
    if (pixels & 4)
    {
        iout[0] = pal[in[0]];
        iout[1] = pal[in[1]];
        iout[2] = pal[in[2]];
        iout[3] = pal[in[3]];
        in += 4;
        iout += 4;
    }
    if (pixels & 2)
    {
        iout[0] = pal[in[0]];
        iout[1] = pal[in[1]];
        in += 2;
        iout += 2;
    }
    if (pixels & 1)
        iout[0] = pal[in[0]];
}

References pixels.

Referenced by LoadWAL_BGRA(), Mod_Sprite_SharedSetup(), R_SkinFrame_GenerateTexturesFromQPixels(), and R_UploadFullTexture().

Image_CopyMux()

void Image_CopyMux	(	unsigned char *	outpixels,
		const unsigned char *	inpixels,
		int	inputwidth,
		int	inputheight,
		qbool	inputflipx,
		qbool	inputflipy,
		qbool	inputflipdiagonal,
		int	numoutputcomponents,
		int	numinputcomponents,
		int *	outputinputcomponentindices )

Definition at line 24 of file image.c.

{
    int index, c, x, y;
    const unsigned char *in, *line;
    int row_inc = (inputflipy ? -inputwidth : inputwidth) * numinputcomponents, col_inc = (inputflipx ? -1 : 1) * numinputcomponents;
    int row_ofs = (inputflipy ? (inputheight - 1) * inputwidth * numinputcomponents : 0), col_ofs = (inputflipx ? (inputwidth - 1) * numinputcomponents : 0);
 
    for (c = 0; c < numoutputcomponents; c++)
        if (outputinputcomponentindices[c] & 0x80000000)
            break;
    if (c < numoutputcomponents)
    {
        // special indices used
        if (inputflipdiagonal)
        {
            for (x = 0, line = inpixels + col_ofs; x < inputwidth; x++, line += col_inc)
                for (y = 0, in = line + row_ofs; y < inputheight; y++, in += row_inc, outpixels += numoutputcomponents)
                    for (c = 0; c < numoutputcomponents; c++)
                        outpixels[c] = ((index = outputinputcomponentindices[c]) & 0x80000000) ? index : in[index];
        }
        else
        {
            for (y = 0, line = inpixels + row_ofs; y < inputheight; y++, line += row_inc)
                for (x = 0, in = line + col_ofs; x < inputwidth; x++, in += col_inc, outpixels += numoutputcomponents)
                    for (c = 0; c < numoutputcomponents; c++)
                        outpixels[c] = ((index = outputinputcomponentindices[c]) & 0x80000000) ? index : in[index];
        }
    }
    else
    {
        // special indices not used
        if (inputflipdiagonal)
        {
            for (x = 0, line = inpixels + col_ofs; x < inputwidth; x++, line += col_inc)
                for (y = 0, in = line + row_ofs; y < inputheight; y++, in += row_inc, outpixels += numoutputcomponents)
                    for (c = 0; c < numoutputcomponents; c++)
                        outpixels[c] = in[outputinputcomponentindices[c]];
        }
        else
        {
            for (y = 0, line = inpixels + row_ofs; y < inputheight; y++, line += row_inc)
                for (x = 0, in = line + col_ofs; x < inputwidth; x++, in += col_inc, outpixels += numoutputcomponents)
                    for (c = 0; c < numoutputcomponents; c++)
                        outpixels[c] = in[outputinputcomponentindices[c]];
        }
    }
}

References index, x, and y.

Referenced by Image_Compress(), R_LoadCubemap(), R_LoadSkyBox(), R_SetupTexture(), and SCR_ScreenShot().

Image_FixTransparentPixels_f()

void Image_FixTransparentPixels_f

(

cmd_state_t *

cmd

)

Definition at line 1376 of file image.c.

{
    const char *filename, *filename_pattern;
    fssearch_t *search;
    int i, n;
    char outfilename[MAX_QPATH], buf[MAX_QPATH];
    unsigned char *data;
    if(Cmd_Argc(cmd) != 2)
    {
        Con_Printf("Usage: %s imagefile\n", Cmd_Argv(cmd, 0));
        return;
    }
    filename_pattern = Cmd_Argv(cmd, 1);
    search = FS_Search(filename_pattern, true, true, NULL);
    if(!search)
        return;
    for(i = 0; i < search->numfilenames; ++i)
    {
        filename = search->filenames[i];
        Con_Printf("Processing %s... ", filename);
        Image_StripImageExtension(filename, buf, sizeof(buf));
        dpsnprintf(outfilename, sizeof(outfilename), "fixtrans/%s.tga", buf);
        if(!(data = loadimagepixelsbgra(filename, true, false, false, NULL)))
            return;
        if((n = fixtransparentpixels(data, image_width, image_height)))
        {
            Image_WriteTGABGRA(outfilename, image_width, image_height, data);
            Con_Printf("%s written (%d pixels changed).\n", outfilename, n);
        }
        else
            Con_Printf("unchanged.\n");
        Mem_Free(data);
    }
    FS_FreeSearch(search);
}

References buf, cmd(), Cmd_Argc(), Cmd_Argv(), Con_Printf(), data, dpsnprintf(), fssearch_t::filenames, fixtransparentpixels(), FS_FreeSearch(), FS_Search(), i, image_height, Image_StripImageExtension(), image_width, Image_WriteTGABGRA(), loadimagepixelsbgra(), MAX_QPATH, Mem_Free, n, NULL, and fssearch_t::numfilenames.

Referenced by CL_InitCommands().

Image_GammaRemapRGB()

void Image_GammaRemapRGB	(	const unsigned char *	in,
		unsigned char *	out,
		int	pixels,
		const unsigned char *	gammar,
		const unsigned char *	gammag,
		const unsigned char *	gammab )

Definition at line 116 of file image.c.

{
    while (pixels--)
    {
        out[0] = gammar[in[0]];
        out[1] = gammag[in[1]];
        out[2] = gammab[in[2]];
        in += 3;
        out += 3;
    }
}

References pixels.

Image_GenerateNoTexture()

unsigned char * Image_GenerateNoTexture

(

void

)

Definition at line 1887 of file image.c.

{
    int x, y;
    unsigned char *data = (unsigned char *)Mem_Alloc(tempmempool, 16 * 16 * 4);
    image_width = 16;
    image_height = 16;
    // this makes a light grey/dark grey checkerboard texture
    for (y = 0; y < 16; y++)
    {
        for (x = 0; x < 16; x++)
        {
            data[(y * 16 + x) * 4 + 0] =
            data[(y * 16 + x) * 4 + 1] =
            data[(y * 16 + x) * 4 + 2] = (y < 8) ^ (x < 8) ? 128 : 64;
            data[(y * 16 + x) * 4 + 3] = 255;
        }
    }
    return data;
}

References data, image_height, image_width, Mem_Alloc, tempmempool, x, and y.

Referenced by R_BuildNoTexture(), R_SkinFrame_LoadExternal_SkinFrame(), and R_SkinFrame_LoadNoTexture().

Image_GetStockPicSize()

qbool Image_GetStockPicSize	(	const char *	filename,
		int *	returnwidth,
		int *	returnheight )

Definition at line 1196 of file image.c.

{
    unsigned char *data;
    fs_offset_t filesize;
    char lmppath[MAX_QPATH];
    if (!strcasecmp(filename, "gfx/conchars"))
    {
        *returnwidth = 128;
        *returnheight = 128;
        return true;
    }
 
    dpsnprintf(lmppath, sizeof(lmppath), "%s.lmp", filename);
    data = FS_LoadFile(lmppath, tempmempool, true, &filesize);
    if (data)
    {
        if (filesize > 8)
        {
            int w = data[0] + data[1] * 0x100 + data[2] * 0x10000 + data[3] * 0x1000000;
            int h = data[4] + data[5] * 0x100 + data[6] * 0x10000 + data[7] * 0x1000000;
            if (w >= 1 && w <= 32768 && h >= 1 && h <= 32768)
            {
                *returnwidth = w;
                *returnheight = h;
                Mem_Free(data);
                return true;
            }
        }
        Mem_Free(data);
    }
    if (!strncasecmp(filename, "gfx/", 4))
    {
        data = W_GetLumpName(filename + 4, &filesize);
        if (data && filesize > 8)
        {
            int w = data[0] + data[1] * 0x100 + data[2] * 0x10000 + data[3] * 0x1000000;
            int h = data[4] + data[5] * 0x100 + data[6] * 0x10000 + data[7] * 0x1000000;
            if (w >= 1 && w <= 32768 && h >= 1 && h <= 32768)
            {
                *returnwidth = w;
                *returnheight = h;
                return true;
            }
        }
    }
    return false;
}

References data, dpsnprintf(), FS_LoadFile(), MAX_QPATH, Mem_Free, tempmempool, w, and W_GetLumpName().

Referenced by Draw_CachePic_Flags().

Image_HeightmapToNormalmap_BGRA()

void Image_HeightmapToNormalmap_BGRA	(	const unsigned char *	inpixels,
		unsigned char *	outpixels,
		int	width,
		int	height,
		int	clamp,
		float	bumpscale )

Definition at line 1769 of file image.c.

{
    int x, y, x1, x2, y1, y2;
    const unsigned char *b, *row[3];
    int p[5];
    unsigned char *out;
    float ibumpscale, n[3];
    ibumpscale = (255.0f * 6.0f) / bumpscale;
    out = outpixels;
    for (y = 0, y1 = height-1;y < height;y1 = y, y++)
    {
        y2 = y + 1;if (y2 >= height) y2 = 0;
        row[0] = inpixels + (y1 * width) * 4;
        row[1] = inpixels + (y  * width) * 4;
        row[2] = inpixels + (y2 * width) * 4;
        for (x = 0, x1 = width-1;x < width;x1 = x, x++)
        {
            x2 = x + 1;if (x2 >= width) x2 = 0;
            // left, right
            b = row[1] + x1 * 4;p[0] = (b[0] + b[1] + b[2]);
            b = row[1] + x2 * 4;p[1] = (b[0] + b[1] + b[2]);
            // above, below
            b = row[0] + x  * 4;p[2] = (b[0] + b[1] + b[2]);
            b = row[2] + x  * 4;p[3] = (b[0] + b[1] + b[2]);
            // center
            b = row[1] + x  * 4;p[4] = (b[0] + b[1] + b[2]);
            // calculate a normal from the slopes
            n[0] = p[0] - p[1];
            n[1] = p[3] - p[2];
            n[2] = ibumpscale;
            VectorNormalize(n);
            // turn it into a dot3 rgb vector texture
            out[2] = (int)(128.0f + n[0] * 127.0f);
            out[1] = (int)(128.0f + n[1] * 127.0f);
            out[0] = (int)(128.0f + n[2] * 127.0f);
            out[3] = (p[4]) / 3;
            out += 4;
        }
    }
}

References b, height, int(), n, VectorNormalize, width, x, x1, x2, y, and y2.

Referenced by R_SkinFrame_GenerateTexturesFromQPixels(), R_SkinFrame_LoadExternal_SkinFrame(), and R_SkinFrame_LoadInternalBGRA().

Image_MakeLinearColorsFromsRGB()

void Image_MakeLinearColorsFromsRGB	(	unsigned char *	pout,
		const unsigned char *	pin,
		int	numpixels )

Definition at line 930 of file image.c.

{
    int i;
    // this math from http://www.opengl.org/registry/specs/EXT/texture_sRGB.txt
    if (!image_linearfromsrgb[255])
        for (i = 0;i < 256;i++)
            image_linearfromsrgb[i] = (unsigned char)floor(Image_LinearFloatFromsRGB(i) * 255.0f + 0.5f);
    for (i = 0;i < numpixels;i++)
    {
        pout[i*4+0] = image_linearfromsrgb[pin[i*4+0]];
        pout[i*4+1] = image_linearfromsrgb[pin[i*4+1]];
        pout[i*4+2] = image_linearfromsrgb[pin[i*4+2]];
        pout[i*4+3] = pin[i*4+3];
    }
}

References floor(), i, Image_LinearFloatFromsRGB, and image_linearfromsrgb.

Referenced by loadimagepixelsbgra(), R_LoadTextureDDSFile(), and R_SetupTexture().

Image_MakesRGBColorsFromLinear_Lightmap()

void Image_MakesRGBColorsFromLinear_Lightmap	(	unsigned char *	pout,
		const unsigned char *	pin,
		int	numpixels )

Definition at line 946 of file image.c.

{
    int i;
    // this math from http://www.opengl.org/registry/specs/EXT/texture_sRGB.txt
    if (!image_srgbfromlinear_lightmap[255])
        for (i = 0;i < 256;i++)
            image_srgbfromlinear_lightmap[i] = (unsigned char)floor(bound(0.0f, Image_sRGBFloatFromLinear_Lightmap(i), 1.0f) * 255.0f + 0.5f);
    for (i = 0;i < numpixels;i++)
    {
        pout[i*4+0] = image_srgbfromlinear_lightmap[pin[i*4+0]];
        pout[i*4+1] = image_srgbfromlinear_lightmap[pin[i*4+1]];
        pout[i*4+2] = image_srgbfromlinear_lightmap[pin[i*4+2]];
        pout[i*4+3] = pin[i*4+3];
    }
}

References bound, floor(), i, Image_sRGBFloatFromLinear_Lightmap, and image_srgbfromlinear_lightmap.

Referenced by Mod_Q3BSP_LoadLightmaps(), and R_BuildLightMap().

Image_MipReduce32()

void Image_MipReduce32	(	const unsigned char *	in,
		unsigned char *	out,
		int *	width,
		int *	height,
		int *	depth,
		int	destwidth,
		int	destheight,
		int	destdepth )

Definition at line 1689 of file image.c.

{
    const unsigned char *inrow;
    int x, y, nextrow;
    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;
    }
    // note: if given odd width/height this discards the last row/column of
    // pixels, rather than doing a proper box-filter scale down
    inrow = in;
    nextrow = *width * 4;
    if (*width > destwidth)
    {
        *width >>= 1;
        if (*height > destheight)
        {
            // reduce both
            *height >>= 1;
            for (y = 0;y < *height;y++, inrow += nextrow * 2)
            {
                for (in = inrow, x = 0;x < *width;x++)
                {
                    out[0] = (unsigned char) ((in[0] + in[4] + in[nextrow  ] + in[nextrow+4]) >> 2);
                    out[1] = (unsigned char) ((in[1] + in[5] + in[nextrow+1] + in[nextrow+5]) >> 2);
                    out[2] = (unsigned char) ((in[2] + in[6] + in[nextrow+2] + in[nextrow+6]) >> 2);
                    out[3] = (unsigned char) ((in[3] + in[7] + in[nextrow+3] + in[nextrow+7]) >> 2);
                    out += 4;
                    in += 8;
                }
            }
        }
        else
        {
            // reduce width
            for (y = 0;y < *height;y++, inrow += nextrow)
            {
                for (in = inrow, x = 0;x < *width;x++)
                {
                    out[0] = (unsigned char) ((in[0] + in[4]) >> 1);
                    out[1] = (unsigned char) ((in[1] + in[5]) >> 1);
                    out[2] = (unsigned char) ((in[2] + in[6]) >> 1);
                    out[3] = (unsigned char) ((in[3] + in[7]) >> 1);
                    out += 4;
                    in += 8;
                }
            }
        }
    }
    else
    {
        if (*height > destheight)
        {
            // reduce height
            *height >>= 1;
            for (y = 0;y < *height;y++, inrow += nextrow * 2)
            {
                for (in = inrow, x = 0;x < *width;x++)
                {
                    out[0] = (unsigned char) ((in[0] + in[nextrow  ]) >> 1);
                    out[1] = (unsigned char) ((in[1] + in[nextrow+1]) >> 1);
                    out[2] = (unsigned char) ((in[2] + in[nextrow+2]) >> 1);
                    out[3] = (unsigned char) ((in[3] + in[nextrow+3]) >> 1);
                    out += 4;
                    in += 4;
                }
            }
        }
        else
            Con_Printf ("Image_MipReduce: desired size already achieved\n");
    }
}

References Con_Printf(), depth, height, width, x, and y.

Referenced by Image_Compress(), and R_UploadFullTexture().

Image_Resample32()

void Image_Resample32	(	const void *	indata,
		int	inwidth,
		int	inheight,
		int	indepth,
		void *	outdata,
		int	outwidth,
		int	outheight,
		int	outdepth,
		int	quality )

Definition at line 1675 of file image.c.

{
    if (indepth != 1 || outdepth != 1)
    {
        Con_Printf ("Image_Resample: 3D resampling not supported\n");
        return;
    }
    if (quality)
        Image_Resample32Lerp(indata, inwidth, inheight, outdata, outwidth, outheight);
    else
        Image_Resample32Nolerp(indata, inwidth, inheight, outdata, outwidth, outheight);
}

References Con_Printf(), Image_Resample32Lerp(), and Image_Resample32Nolerp().

Referenced by R_UploadFullTexture().

Image_StripImageExtension()

void Image_StripImageExtension	(	const char *	in,
		char *	out,
		size_t	size_out )

Definition at line 913 of file image.c.

{
    const char *ext;
 
    if (size_out == 0)
        return;
 
    ext = FS_FileExtension(in);
    if (ext && (!strcmp(ext, "tga") || !strcmp(ext, "pcx") || !strcmp(ext, "lmp") || !strcmp(ext, "png") || !strcmp(ext, "jpg") || !strcmp(ext, "wal")))
        FS_StripExtension(in, out, size_out);
    else
        dp_strlcpy(out, in, size_out);
}

References dp_strlcpy, FS_FileExtension(), and FS_StripExtension().

Referenced by Image_FixTransparentPixels_f(), loadimagepixelsbgra(), Mod_BuildAliasSkinsFromSkinFiles(), R_SkinFrame_Find(), R_SkinFrame_FindNextByName(), and R_SkinFrame_LoadExternal_SkinFrame().

Image_WriteTGABGR_preflipped()

qbool Image_WriteTGABGR_preflipped	(	const char *	filename,
		int	width,
		int	height,
		const unsigned char *	data )

Definition at line 1412 of file image.c.

{
    qbool ret;
    unsigned char buffer[18];
    const void *buffers[2];
    fs_offset_t sizes[2];
 
    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
 
    buffers[0] = buffer;
    sizes[0] = 18;
    buffers[1] = data;
    sizes[1] = width*height*3;
    ret = FS_WriteFileInBlocks(filename, buffers, sizes, 2);
 
    return ret;
}

References buffer, buffers, data, FS_WriteFileInBlocks(), height, ret, and width.

Referenced by SCR_ScreenShot().

Image_WriteTGABGRA()

qbool Image_WriteTGABGRA	(	const char *	filename,
		int	width,
		int	height,
		const unsigned char *	data )

Definition at line 1436 of file image.c.

{
    int y;
    unsigned char *buffer, *out;
    const unsigned char *in, *end;
    qbool ret;
 
    buffer = (unsigned char *)Mem_Alloc(tempmempool, width*height*4 + 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;
 
    for (y = 3;y < width*height*4;y += 4)
        if (data[y] < 255)
            break;
 
    if (y < width*height*4)
    {
        // save the alpha channel
        buffer[16] = 32;    // pixel size
        buffer[17] = 8; // 8 bits of alpha
 
        // flip upside down
        out = buffer + 18;
        for (y = height - 1;y >= 0;y--)
        {
            memcpy(out, data + y * width * 4, width * 4);
            out += width*4;
        }
    }
    else
    {
        // save only the color channels
        buffer[16] = 24;    // pixel size
        buffer[17] = 0; // 8 bits of alpha
 
        // truncate bgra to bgr and flip upside down
        out = buffer + 18;
        for (y = height - 1;y >= 0;y--)
        {
            in = data + y * width * 4;
            end = in + width * 4;
            for (;in < end;in += 4)
            {
                *out++ = in[0];
                *out++ = in[1];
                *out++ = in[2];
            }
        }
    }
    ret = FS_WriteFile (filename, buffer, out - buffer);
 
    Mem_Free(buffer);
 
    return ret;
}

References buffer, data, FS_WriteFile(), height, Mem_Alloc, Mem_Free, ret, tempmempool, width, and y.

Referenced by Image_FixTransparentPixels_f(), Image_GenerateConChars(), loadimagepixelsbgra(), R_InitParticleTexture(), R_Shadow_DrawModelShadowMaps(), and SCR_ScreenShot().

loadimagepixelsbgra()

unsigned char * loadimagepixelsbgra	(	const char *	filename,
		qbool	complain,
		qbool	allowFixtrans,
		qbool	convertsRGB,
		int *	miplevel )

Definition at line 1043 of file image.c.

{
    fs_offset_t filesize;
    imageformat_t *firstformat, *format;
    int mymiplevel;
    unsigned char *f, *data = NULL, *data2 = NULL;
    char basename[MAX_QPATH], name[MAX_QPATH], name2[MAX_QPATH], path[MAX_QPATH], afterpath[MAX_QPATH], *c;
    char vabuf[1024];
    //if (developer_memorydebug.integer)
    //  Mem_CheckSentinelsGlobal();
    if (developer_texturelogging.integer)
        Log_Printf("textures.log", "%s\n", filename);
    Image_StripImageExtension(filename, basename, sizeof(basename)); // strip filename extensions to allow replacement by other types
    // replace *'s with #, so commandline utils don't get confused when dealing with the external files
    for (c = basename;*c;c++)
        if (*c == '*')
            *c = '#';
    path[0] = 0;
    name[0] = 0;
    dp_strlcpy(afterpath, basename, sizeof(afterpath));
    if (strchr(basename, '/'))
    {
        int i;
        for (i = 0;i < (int)sizeof(path)-1 && basename[i] != '/' && basename[i];i++)
            path[i] = basename[i];
        path[i] = 0;
        dp_strlcpy(afterpath, basename + i + 1, sizeof(afterpath));
    }
    if (gamemode == GAME_TENEBRAE)
        firstformat = imageformats_tenebrae;
    else if (gamemode == GAME_DELUXEQUAKE)
        firstformat = imageformats_dq;
    else if (!strcasecmp(path, "textures"))
        firstformat = imageformats_textures;
    else if (!strcasecmp(path, "gfx") || !strcasecmp(path, "locale")) // locale/ is used in GAME_BLOODOMNICIDE
        firstformat = imageformats_gfx;
    else if (!path[0])
        firstformat = imageformats_nopath;
    else
        firstformat = imageformats_other;
    // now try all the formats in the selected list
    for (format = firstformat;format->formatstring;format++)
    {
        dpsnprintf (name, sizeof(name), format->formatstring, basename);
 
        FS_SanitizePath(name);
 
        if(FS_FileExists(name) && (f = FS_LoadFile(name, tempmempool, true, &filesize)) != NULL)
        {
            mymiplevel = miplevel ? *miplevel : 0;
            image_width = 0;
            image_height = 0;
            data = format->loadfunc(f, (int)filesize, &mymiplevel);
            Mem_Free(f);
            if (data)
            {
                if(format->loadfunc == JPEG_LoadImage_BGRA) // jpeg can't do alpha, so let's simulate it by loading another jpeg
                {
                    dpsnprintf (name2, sizeof(name2), format->formatstring, va(vabuf, sizeof(vabuf), "%s_alpha", basename));
                    f = FS_LoadFile(name2, tempmempool, true, &filesize);
                    if(f)
                    {
                        int mymiplevel2 = miplevel ? *miplevel : 0;
                        int image_width_save = image_width;
                        int image_height_save = image_height;
                        data2 = format->loadfunc(f, (int)filesize, &mymiplevel2);
                        if(data2 && mymiplevel == mymiplevel2 && image_width == image_width_save && image_height == image_height_save)
                            Image_CopyAlphaFromBlueBGRA(data, data2, image_width, image_height);
                        else
                            Con_Printf("loadimagepixelsrgba: corrupt or invalid alpha image %s_alpha\n", basename);
                        image_width = image_width_save;
                        image_height = image_height_save;
                        if(data2)
                            Mem_Free(data2);
                        Mem_Free(f);
                    }
                }
                if (developer_loading.integer)
                    Con_DPrintf("loaded image %s (%dx%d)\n", name, image_width, image_height);
                if(miplevel)
                    *miplevel = mymiplevel;
                //if (developer_memorydebug.integer)
                //  Mem_CheckSentinelsGlobal();
                if(allowFixtrans && r_fixtrans_auto.integer)
                {
                    int n = fixtransparentpixels(data, image_width, image_height);
                    if(n)
                    {
                        Con_Printf("- had to fix %s (%d pixels changed)\n", name, n);
                        if(r_fixtrans_auto.integer >= 2)
                        {
                            char outfilename[MAX_QPATH], buf[MAX_QPATH];
                            Image_StripImageExtension(name, buf, sizeof(buf));
                            dpsnprintf(outfilename, sizeof(outfilename), "fixtrans/%s.tga", buf);
                            Image_WriteTGABGRA(outfilename, image_width, image_height, data);
                            Con_Printf("- %s written.\n", outfilename);
                        }
                    }
                }
                if (convertsRGB)
                    Image_MakeLinearColorsFromsRGB(data, data, image_width * image_height);
                return data;
            }
            else
                Con_DPrintf("Error loading image %s (file loaded but decode failed)\n", name);
        }
    }
    if (!strcasecmp(path, "gfx"))
    {
        unsigned char *lmpdata;
        if ((lmpdata = W_GetLumpName(afterpath, &filesize)))
        {
            if (developer_loading.integer)
                Con_Printf("loading gfx.wad lump \"%s\"\n", afterpath);
 
            mymiplevel = miplevel ? *miplevel : 0;
            if (!strcmp(afterpath, "conchars"))
            {
                // conchars is a raw image and with color 0 as transparent instead of 255
                data = LoadConChars_BGRA(lmpdata, filesize, &mymiplevel);
            }
            else
                data = LoadLMP_BGRA(lmpdata, filesize, &mymiplevel);
            // no cleanup after looking up a wad lump - the whole gfx.wad is loaded at once
            if (data)
                return data;
            Con_DPrintf("Error loading image %s (file loaded but decode failed)\n", name);
        }
    }
 
    // check if the image name exists as an embedded pic
    if ((data = Image_GetEmbeddedPicBGRA(basename)))
        return data;
 
    if (complain)
    {
        Con_Printf(CON_ERROR "Couldn't load %s using ", filename);
        for (format = firstformat;format->formatstring;format++)
        {
            dpsnprintf (name, sizeof(name), format->formatstring, basename);
            Con_Printf(format == firstformat ? "\"%s\"" : (format[1].formatstring ? ", \"%s\"" : " or \"%s\".\n"), format->formatstring);
        }
    }
 
    // texture loading can take a while, so make sure we're sending keepalives
    CL_KeepaliveMessage(false);
 
    //if (developer_memorydebug.integer)
    //  Mem_CheckSentinelsGlobal();
 
    return NULL;
}

References buf, CL_KeepaliveMessage(), Con_DPrintf(), CON_ERROR, Con_Printf(), data, developer_loading, developer_texturelogging, dp_strlcpy, dpsnprintf(), f, fixtransparentpixels(), format, FS_FileExists(), FS_LoadFile(), FS_SanitizePath(), GAME_DELUXEQUAKE, GAME_TENEBRAE, gamemode, i, Image_CopyAlphaFromBlueBGRA(), Image_GetEmbeddedPicBGRA(), image_height, Image_MakeLinearColorsFromsRGB(), Image_StripImageExtension(), image_width, Image_WriteTGABGRA(), imageformats_dq, imageformats_gfx, imageformats_nopath, imageformats_other, imageformats_tenebrae, imageformats_textures, int(), cvar_t::integer, JPEG_LoadImage_BGRA(), LoadConChars_BGRA(), LoadLMP_BGRA(), Log_Printf(), MAX_QPATH, Mem_Free, n, name, NULL, r_fixtrans_auto, tempmempool, va(), and W_GetLumpName().

Referenced by Image_Compress(), Image_FixTransparentPixels_f(), loadtextureimage(), Mod_Q1BSP_LoadTextures(), Mod_Q3BSP_LoadLightmaps(), R_BuildFogHeightTexture(), R_LoadCubemap(), R_LoadSkyBox(), and R_SkinFrame_LoadExternal_SkinFrame().

LoadPCX_PaletteOnly()

qbool LoadPCX_PaletteOnly	(	const unsigned char *	f,
		int	filesize,
		unsigned char *	palette768b )

Definition at line 365 of file image.c.

{
    if (filesize < 768)
        return false;
    memcpy(palette768b, f + filesize - 768, 768);
    return true;
}

References f.

Referenced by Palette_LoadQ2Colormap().

LoadPCX_QWSkin()

qbool LoadPCX_QWSkin	(	const unsigned char *	f,
		int	filesize,
		unsigned char *	pixels,
		int	outwidth,
		int	outheight )

Definition at line 286 of file image.c.

{
    pcx_t pcx;
    unsigned char *a;
    const unsigned char *fin, *enddata;
    int x, y, x2, dataByte, pcxwidth, pcxheight;
 
    if (filesize < (int)sizeof(pcx) + 768)
        return false;
 
    image_width = outwidth;
    image_height = outheight;
    fin = f;
 
    memcpy(&pcx, fin, sizeof(pcx));
    fin += sizeof(pcx);
 
    // LadyHavoc: big-endian support ported from QF newtree
    pcx.xmax = LittleShort (pcx.xmax);
    pcx.xmin = LittleShort (pcx.xmin);
    pcx.ymax = LittleShort (pcx.ymax);
    pcx.ymin = LittleShort (pcx.ymin);
    pcx.hres = LittleShort (pcx.hres);
    pcx.vres = LittleShort (pcx.vres);
    pcx.bytes_per_line = LittleShort (pcx.bytes_per_line);
    pcx.palette_type = LittleShort (pcx.palette_type);
 
    pcxwidth = pcx.xmax + 1 - pcx.xmin;
    pcxheight = pcx.ymax + 1 - pcx.ymin;
    if (pcx.manufacturer != 0x0a || pcx.version != 5 || pcx.encoding != 1 || pcx.bits_per_pixel != 8 || pcxwidth > 4096 || pcxheight > 4096 || pcxwidth <= 0 || pcxheight <= 0)
        return false;
 
    enddata = f + filesize - 768;
 
    for (y = 0;y < outheight && fin < enddata;y++)
    {
        a = pixels + y * outwidth;
        // pad the output with blank lines if needed
        if (y >= pcxheight)
        {
            memset(a, 0, outwidth);
            continue;
        }
        for (x = 0;x < pcxwidth;)
        {
            if (fin >= enddata)
                return false;
            dataByte = *fin++;
            if(dataByte >= 0xC0)
            {
                x2 = x + (dataByte & 0x3F);
                if (fin >= enddata)
                    return false;
                if (x2 > pcxwidth)
                    return false;
                dataByte = *fin++;
                for (;x < x2;x++)
                    if (x < outwidth)
                        a[x] = dataByte;
            }
            else
            {
                if (x < outwidth) // truncate to destination width
                    a[x] = dataByte;
                x++;
            }
        }
        while(x < outwidth)
            a[x++] = 0;
    }
 
    return true;
}

References a, pcx_t::bits_per_pixel, pcx_t::bytes_per_line, pcx_t::encoding, f, pcx_t::hres, image_height, image_width, LittleShort, pcx_t::manufacturer, pcx_t::palette_type, pixels, pcx_t::version, pcx_t::vres, x, x2, pcx_t::xmax, pcx_t::xmin, y, pcx_t::ymax, and pcx_t::ymin.

Referenced by R_LoadQWSkin().

loadtextureimage()

rtexture_t * loadtextureimage	(	rtexturepool_t *	pool,
		const char *	filename,
		qbool	complain,
		int	flags,
		qbool	allowFixtrans,
		qbool	sRGB )

Definition at line 1245 of file image.c.

{
    unsigned char *data;
    rtexture_t *rt;
    int miplevel = R_PicmipForFlags(flags);
    if (!(data = loadimagepixelsbgra (filename, complain, allowFixtrans, false, &miplevel)))
        return 0;
    rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, sRGB ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, flags, miplevel, NULL);
    Mem_Free(data);
    return rt;
}

References data, flags, image_height, image_width, loadimagepixelsbgra(), Mem_Free, NULL, R_LoadTexture2D(), R_PicmipForFlags(), TEXTYPE_BGRA, and TEXTYPE_SRGB_BGRA.

Referenced by R_InitParticleTexture().

LoadTGA_BGRA()

unsigned char * LoadTGA_BGRA	(	const unsigned char *	f,
		int	filesize,
		int *	miplevel )

Definition at line 401 of file image.c.

{
    int x, y, pix_inc, row_inci, runlen, alphabits;
    unsigned char *image_buffer;
    unsigned int *pixbufi;
    const unsigned char *fin, *enddata;
    TargaHeader targa_header;
    unsigned int palettei[256];
    union
    {
        unsigned int i;
        unsigned char b[4];
    }
    bgra;
 
    if (filesize < 19)
        return NULL;
 
    enddata = f + filesize;
 
    targa_header.id_length = f[0];
    targa_header.colormap_type = f[1];
    targa_header.image_type = f[2];
 
    targa_header.colormap_index = f[3] + f[4] * 256;
    targa_header.colormap_length = f[5] + f[6] * 256;
    targa_header.colormap_size = f[7];
    targa_header.x_origin = f[8] + f[9] * 256;
    targa_header.y_origin = f[10] + f[11] * 256;
    targa_header.width = image_width = f[12] + f[13] * 256;
    targa_header.height = image_height = f[14] + f[15] * 256;
    targa_header.pixel_size = f[16];
    targa_header.attributes = f[17];
 
    if (image_width > 32768 || image_height > 32768 || image_width <= 0 || image_height <= 0)
    {
        Con_Print("LoadTGA: invalid size\n");
        PrintTargaHeader(&targa_header);
        return NULL;
    }
 
    memset(palettei, 0, sizeof(palettei));
 
    // advance to end of header
    fin = f + 18;
 
    // skip TARGA image comment (usually 0 bytes)
    fin += targa_header.id_length;
 
    // read/skip the colormap if present (note: according to the TARGA spec it
    // can be present even on truecolor or greyscale images, just not used by
    // the image data)
    if (targa_header.colormap_type)
    {
        if (targa_header.colormap_length > 256)
        {
            Con_Print("LoadTGA: only up to 256 colormap_length supported\n");
            PrintTargaHeader(&targa_header);
            return NULL;
        }
        if (targa_header.colormap_index)
        {
            Con_Print("LoadTGA: colormap_index not supported\n");
            PrintTargaHeader(&targa_header);
            return NULL;
        }
        if (targa_header.colormap_size == 24)
        {
            for (x = 0;x < targa_header.colormap_length;x++)
            {
                bgra.b[0] = *fin++;
                bgra.b[1] = *fin++;
                bgra.b[2] = *fin++;
                bgra.b[3] = 255;
                palettei[x] = bgra.i;
            }
        }
        else if (targa_header.colormap_size == 32)
        {
            memcpy(palettei, fin, targa_header.colormap_length*4);
            fin += targa_header.colormap_length * 4;
        }
        else
        {
            Con_Print("LoadTGA: Only 32 and 24 bit colormap_size supported\n");
            PrintTargaHeader(&targa_header);
            return NULL;
        }
    }
 
    // check our pixel_size restrictions according to image_type
    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;
        }
        break;
    case 3:
        // set up a palette to make the loader easier
        for (x = 0;x < 256;x++)
        {
            bgra.b[0] = bgra.b[1] = bgra.b[2] = x;
            bgra.b[3] = 255;
            palettei[x] = bgra.i;
        }
        // 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;
        }
        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;
    }
 
    if (targa_header.attributes & 0x10)
    {
        Con_Print("LoadTGA: origin must be in top left or bottom left, top right and bottom right are not supported\n");
        return NULL;
    }
 
    // number of attribute bits per pixel, we only support 0 or 8
    alphabits = targa_header.attributes & 0x0F;
    if (alphabits != 8 && alphabits != 0)
    {
        Con_Print("LoadTGA: only 0 or 8 attribute (alpha) bits supported\n");
        return NULL;
    }
 
    image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
    if (!image_buffer)
    {
        Con_Printf("LoadTGA: not enough memory for %i by %i image\n", image_width, image_height);
        return NULL;
    }
 
    // If bit 5 of attributes isn't set, the image has been stored from bottom to top
    if ((targa_header.attributes & 0x20) == 0)
    {
        pixbufi = (unsigned int*)image_buffer + (image_height - 1)*image_width;
        row_inci = -image_width*2;
    }
    else
    {
        pixbufi = (unsigned int*)image_buffer;
        row_inci = 0;
    }
 
    pix_inc = 1;
    if ((targa_header.image_type & ~8) == 2)
        pix_inc = (targa_header.pixel_size + 7) / 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++, pixbufi += row_inci)
            for (x = 0;x < image_width;x++)
                *pixbufi++ = palettei[*fin++];
        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++)
                memcpy(pixbufi + y * (image_width + row_inci), fin + y * image_width * pix_inc, image_width*4);
        }
        else
        {
            for (y = 0;y < image_height;y++, pixbufi += row_inci)
            {
                for (x = 0;x < image_width;x++, fin += pix_inc)
                {
                    bgra.b[0] = fin[0];
                    bgra.b[1] = fin[1];
                    bgra.b[2] = fin[2];
                    bgra.b[3] = 255;
                    *pixbufi++ = bgra.i;
                }
            }
        }
        break;
    case 9: // colormapped, RLE
    case 11: // greyscale, RLE
        for (y = 0;y < image_height;y++, pixbufi += row_inci)
        {
            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
                    bgra.i = palettei[*fin++];
                    for (;runlen--;x++)
                        *pixbufi++ = bgra.i;
                }
                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++)
                        *pixbufi++ = palettei[*fin++];
                }
            }
 
            if (x != image_width)
            {
                // pixbufi is useless now
                Con_Printf("LoadTGA: corrupt file\n");
                break;
            }
        }
        break;
    case 10:
        // BGR or BGRA, RLE
        if (targa_header.pixel_size == 32 && alphabits)
        {
            for (y = 0;y < image_height;y++, pixbufi += row_inci)
            {
                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
                        bgra.b[0] = fin[0];
                        bgra.b[1] = fin[1];
                        bgra.b[2] = fin[2];
                        bgra.b[3] = fin[3];
                        fin += pix_inc;
                        for (;runlen--;x++)
                            *pixbufi++ = bgra.i;
                    }
                    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++)
                        {
                            bgra.b[0] = fin[0];
                            bgra.b[1] = fin[1];
                            bgra.b[2] = fin[2];
                            bgra.b[3] = fin[3];
                            fin += pix_inc;
                            *pixbufi++ = bgra.i;
                        }
                    }
                }
 
                if (x != image_width)
                {
                    // pixbufi is useless now
                    Con_Printf("LoadTGA: corrupt file\n");
                    break;
                }
            }
        }
        else
        {
            for (y = 0;y < image_height;y++, pixbufi += row_inci)
            {
                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
                        bgra.b[0] = fin[0];
                        bgra.b[1] = fin[1];
                        bgra.b[2] = fin[2];
                        bgra.b[3] = 255;
                        fin += pix_inc;
                        for (;runlen--;x++)
                            *pixbufi++ = bgra.i;
                    }
                    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++)
                        {
                            bgra.b[0] = fin[0];
                            bgra.b[1] = fin[1];
                            bgra.b[2] = fin[2];
                            bgra.b[3] = 255;
                            fin += pix_inc;
                            *pixbufi++ = bgra.i;
                        }
                    }
                }
 
                if (x != image_width)
                {
                    // pixbufi is useless now
                    Con_Printf("LoadTGA: corrupt file\n");
                    break;
                }
            }
        }
        break;
    default:
        // unknown image_type
        break;
    }
 
    return image_buffer;
}

References TargaHeader::attributes, b, TargaHeader::colormap_index, TargaHeader::colormap_length, TargaHeader::colormap_size, TargaHeader::colormap_type, Con_Print(), Con_Printf(), f, TargaHeader::height, i, TargaHeader::id_length, image_height, TargaHeader::image_type, image_width, Mem_Alloc, NULL, TargaHeader::pixel_size, PrintTargaHeader(), tempmempool, TargaHeader::width, x, TargaHeader::x_origin, y, and TargaHeader::y_origin.

Referenced by Image_GenerateConChars().

LoadWAL_GetMetadata()

qbool LoadWAL_GetMetadata	(	const unsigned char *	f,
		int	filesize,
		int *	retwidth,
		int *	retheight,
		int *	retflags,
		int *	retvalue,
		int *	retcontents,
		char *	retanimname32c )

Definition at line 800 of file image.c.

{
    const q2wal_t *inwal = (const q2wal_t *)f;
 
    if (filesize < (int) sizeof(q2wal_t))
    {
        Con_Print("LoadWAL: invalid WAL file\n");
        if (retwidth)
            *retwidth = 16;
        if (retheight)
            *retheight = 16;
        if (retflags)
            *retflags = 0;
        if (retvalue)
            *retvalue = 0;
        if (retcontents)
            *retcontents = 0;
        if (retanimname32c)
            memset(retanimname32c, 0, 32);
        return false;
    }
 
    if (retwidth)
        *retwidth = LittleLong(inwal->width);
    if (retheight)
        *retheight = LittleLong(inwal->height);
    if (retflags)
        *retflags = LittleLong(inwal->flags);
    if (retvalue)
        *retvalue = LittleLong(inwal->value);
    if (retcontents)
        *retcontents = LittleLong(inwal->contents);
    if (retanimname32c)
    {
        memcpy(retanimname32c, inwal->animname, 32);
        retanimname32c[31] = 0;
    }
    return true;
}

References q2wal_t::animname, Con_Print(), q2wal_t::contents, f, q2wal_t::flags, q2wal_t::height, LittleLong, q2wal_t::value, and q2wal_t::width.

Referenced by Mod_Q2BSP_LoadTexinfo().

Variable Documentation

image_height

int image_height

Definition at line 10 of file image.h.

image_width

int image_width

extern

Definition at line 9 of file image.c.

Referenced by Curl_EndDownload(), Image_Compress(), Image_FixTransparentPixels_f(), Image_GenerateConChars(), Image_GenerateDitherPattern(), Image_GenerateNoTexture(), Image_GenerateWhite(), Image_GetEmbeddedPicBGRA(), JPEG_LoadImage_BGRA(), LoadConChars_BGRA(), loadimagepixelsbgra(), LoadLMP_BGRA(), LoadPCX_BGRA(), LoadPCX_QWSkin(), loadtextureimage(), LoadTGA_BGRA(), LoadWAL_BGRA(), Mod_Q1BSP_LoadTextures(), Mod_Q3BSP_LoadLightmaps(), PNG_LoadImage_BGRA(), R_BuildFogHeightTexture(), R_InitParticleTexture(), R_LoadCubemap(), R_LoadQWSkin(), R_LoadSkyBox(), R_SkinFrame_LoadExternal_SkinFrame(), VM_CL_ReadPicture(), W_ConvertWAD3TextureBGRA(), and W_GetTextureBGRA().

r_fixtrans_auto

cvar_t r_fixtrans_auto

extern

Definition at line 42 of file cl_cmd.c.

{CF_CLIENT, "r_fixtrans_auto", "0", "automatically fixtrans textures (when set to 2, it also saves the fixed versions to a fixtrans directory)"};

Referenced by CL_InitCommands(), and loadimagepixelsbgra().