#include "quakedef.h"
+#include "image.h"
int image_width;
int image_height;
-void Image_GammaRemapRGB(qbyte *in, qbyte *out, int pixels, qbyte *gammar, qbyte *gammag, qbyte *gammab)
+void Image_GammaRemapRGB(const qbyte *in, qbyte *out, int pixels, const qbyte *gammar, const qbyte *gammag, const qbyte *gammab)
{
while (pixels--)
{
}
// note: pal must be 32bit color
-void Image_Copy8bitRGBA(qbyte *in, qbyte *out, int pixels, int *pal)
+void Image_Copy8bitRGBA(const qbyte *in, qbyte *out, int pixels, const unsigned int *pal)
{
int *iout = (void *)out;
while (pixels >= 8)
LoadPCX
============
*/
-qbyte* LoadPCX (qbyte *f, int matchwidth, int matchheight)
+qbyte* LoadPCX (const qbyte *f, int matchwidth, int matchheight)
{
pcx_t pcx;
- qbyte *palette, *a, *b, *image_rgba, *fin, *pbuf, *enddata;
+ qbyte *a, *b, *image_rgba, *pbuf;
+ const qbyte *palette, *fin, *enddata;
int x, y, x2, dataByte;
if (loadsize < sizeof(pcx) + 768)
LoadTGA
=============
*/
-qbyte *LoadTGA (qbyte *f, int matchwidth, int matchheight)
+qbyte *LoadTGA (const qbyte *f, int matchwidth, int matchheight)
{
int x, y, row_inc;
unsigned char red, green, blue, alpha, run, runlen;
- qbyte *pixbuf, *image_rgba, *fin, *enddata;
+ qbyte *pixbuf, *image_rgba;
+ const qbyte *fin, *enddata;
if (loadsize < 18+3)
return NULL;
LoadLMP
============
*/
-qbyte *LoadLMP (qbyte *f, int matchwidth, int matchheight)
+qbyte *LoadLMP (const qbyte *f, int matchwidth, int matchheight)
{
qbyte *image_rgba;
int width, height;
Con_Printf("LoadLMP: not enough memory for %i by %i image\n", image_width, image_height);
return NULL;
}
- Image_Copy8bitRGBA(f + 8, image_rgba, image_width * image_height, d_8to24table);
+ Image_Copy8bitRGBA(f + 8, image_rgba, image_width * image_height, palette_complete);
return image_rgba;
}
LoadLMP
============
*/
-qbyte *LoadLMPAs8Bit (qbyte *f, int matchwidth, int matchheight)
+qbyte *LoadLMPAs8Bit (const qbyte *f, int matchwidth, int matchheight)
{
qbyte *image_8bit;
int width, height;
return image_8bit;
}
-void Image_StripImageExtension (char *in, char *out)
+void Image_StripImageExtension (const char *in, char *out)
{
- char *end, *temp;
+ const char *end, *temp;
end = in + strlen(in);
if ((end - in) >= 4)
{
strcpy(out, in);
}
-qbyte *loadimagepixels (char *filename, qboolean complain, int matchwidth, int matchheight)
+qbyte *loadimagepixels (const char *filename, qboolean complain, int matchwidth, int matchheight)
{
qbyte *f, *data;
char basename[256], name[256], *c;
return NULL;
}
-int image_makemask (qbyte *in, qbyte *out, int size)
+int image_makemask (const qbyte *in, qbyte *out, int size)
{
- int i, count;
+ int i, count;
count = 0;
for (i = 0;i < size;i++)
{
return count;
}
-qbyte* loadimagepixelsmask (char* filename, qboolean complain, int matchwidth, int matchheight)
+qbyte* loadimagepixelsmask (const char *filename, qboolean complain, int matchwidth, int matchheight)
{
qbyte *in, *data;
in = data = loadimagepixels(filename, complain, matchwidth, matchheight);
}
}
-rtexture_t *loadtextureimage (rtexturepool_t *pool, char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap, qboolean precache)
+rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags)
{
qbyte *data;
rtexture_t *rt;
if (!(data = loadimagepixels (filename, complain, matchwidth, matchheight)))
return 0;
- rt = R_LoadTexture (pool, filename, image_width, image_height, data, TEXTYPE_RGBA, TEXF_ALPHA | (mipmap ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0));
+ rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, TEXTYPE_RGBA, flags, NULL);
Mem_Free(data);
return rt;
}
-rtexture_t *loadtextureimagemask (rtexturepool_t *pool, char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap, qboolean precache)
+rtexture_t *loadtextureimagemask (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags)
{
qbyte *data;
rtexture_t *rt;
if (!(data = loadimagepixelsmask (filename, complain, matchwidth, matchheight)))
return 0;
- rt = R_LoadTexture (pool, filename, image_width, image_height, data, TEXTYPE_RGBA, TEXF_ALPHA | (mipmap ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0));
+ rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, TEXTYPE_RGBA, flags, NULL);
Mem_Free(data);
return rt;
}
rtexture_t *image_masktex;
-rtexture_t *loadtextureimagewithmask (rtexturepool_t *pool, char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap, qboolean precache)
+rtexture_t *image_nmaptex;
+rtexture_t *loadtextureimagewithmask (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags)
{
- int count;
qbyte *data;
- char *filename2;
rtexture_t *rt;
image_masktex = NULL;
+ image_nmaptex = NULL;
if (!(data = loadimagepixels (filename, complain, matchwidth, matchheight)))
return 0;
- rt = R_LoadTexture (pool, filename, image_width, image_height, data, TEXTYPE_RGBA, TEXF_ALPHA | (mipmap ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0));
- count = image_makemask(data, data, image_width * image_height);
- if (count)
- {
- filename2 = Mem_Alloc(tempmempool, strlen(filename) + 6);
- sprintf(filename2, "%s_mask", filename);
- image_masktex = R_LoadTexture (pool, filename2, image_width, image_height, data, TEXTYPE_RGBA, TEXF_ALPHA | (mipmap ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0));
- Mem_Free(filename2);
- }
+
+ rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, TEXTYPE_RGBA, flags, NULL);
+
+ if (flags & TEXF_ALPHA && image_makemask(data, data, image_width * image_height))
+ image_masktex = R_LoadTexture2D(pool, va("%s_mask", filename), image_width, image_height, data, TEXTYPE_RGBA, flags, NULL);
+
Mem_Free(data);
return rt;
}
-qboolean Image_WriteTGARGB_preflipped (char *filename, int width, int height, qbyte *data)
+rtexture_t *loadtextureimagewithmaskandnmap (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags, float bumpscale)
+{
+ qbyte *data, *data2;
+ rtexture_t *rt;
+ image_masktex = NULL;
+ image_nmaptex = NULL;
+ if (!(data = loadimagepixels (filename, complain, matchwidth, matchheight)))
+ return 0;
+
+ data2 = Mem_Alloc(tempmempool, image_width * image_height * 4);
+
+ rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, TEXTYPE_RGBA, flags, NULL);
+
+ Image_HeightmapToNormalmap(data, data2, image_width, image_height, (flags & TEXF_CLAMP) != 0, bumpscale);
+ image_nmaptex = R_LoadTexture2D(pool, va("%s_nmap", filename), image_width, image_height, data2, TEXTYPE_RGBA, flags, NULL);
+
+ if (flags & TEXF_ALPHA && image_makemask(data, data2, image_width * image_height))
+ image_masktex = R_LoadTexture2D(pool, va("%s_mask", filename), image_width, image_height, data2, TEXTYPE_RGBA, flags, NULL);
+
+ Mem_Free(data2);
+
+ Mem_Free(data);
+ return rt;
+}
+
+qboolean Image_WriteTGARGB_preflipped (const char *filename, int width, int height, const qbyte *data)
{
qboolean ret;
- qbyte *buffer, *in, *out, *end;
+ qbyte *buffer, *out;
+ const qbyte *in, *end;
buffer = Mem_Alloc(tempmempool, width*height*3 + 18);
return ret;
}
-void Image_WriteTGARGB (char *filename, int width, int height, qbyte *data)
+void Image_WriteTGARGB (const char *filename, int width, int height, const qbyte *data)
{
int y;
- qbyte *buffer, *in, *out, *end;
+ qbyte *buffer, *out;
+ const qbyte *in, *end;
buffer = Mem_Alloc(tempmempool, width*height*3 + 18);
Mem_Free(buffer);
}
-void Image_WriteTGARGBA (char *filename, int width, int height, qbyte *data)
+void Image_WriteTGARGBA (const char *filename, int width, int height, const qbyte *data)
{
int y;
- qbyte *buffer, *in, *out, *end;
+ qbyte *buffer, *out;
+ const qbyte *in, *end;
buffer = Mem_Alloc(tempmempool, width*height*4 + 18);
Mem_Free(buffer);
}
-qboolean Image_CheckAlpha(qbyte *data, int size, qboolean rgba)
+qboolean Image_CheckAlpha(const qbyte *data, int size, qboolean rgba)
{
- qbyte *end;
+ const qbyte *end;
if (rgba)
{
// check alpha bytes
return 0;
}
-static void Image_Resample32LerpLine (qbyte *in, qbyte *out, int inwidth, int outwidth)
+static void Image_Resample32LerpLine (const qbyte *in, qbyte *out, int inwidth, int outwidth)
{
int j, xi, oldx = 0, f, fstep, endx, lerp;
fstep = (int) (inwidth*65536.0f/outwidth);
}
}
-static void Image_Resample24LerpLine (qbyte *in, qbyte *out, int inwidth, int outwidth)
+static void Image_Resample24LerpLine (const qbyte *in, qbyte *out, int inwidth, int outwidth)
{
int j, xi, oldx = 0, f, fstep, endx, lerp;
fstep = (int) (inwidth*65536.0f/outwidth);
mempool_t *resamplemempool = NULL;
#define LERPBYTE(i) r = resamplerow1[i];out[i] = (qbyte) ((((resamplerow2[i] - r) * lerp) >> 16) + r)
-void Image_Resample32Lerp(void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
+void Image_Resample32Lerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
{
int i, j, r, yi, oldy, f, fstep, lerp, endy = (inheight-1), inwidth4 = inwidth*4, outwidth4 = outwidth*4;
- qbyte *inrow, *out;
+ qbyte *out;
+ const qbyte *inrow;
out = outdata;
fstep = (int) (inheight*65536.0f/outheight);
}
}
-void Image_Resample32Nearest(void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
+void Image_Resample32Nearest(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
{
int i, j;
unsigned frac, fracstep;
}
}
-void Image_Resample24Lerp(void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
+void Image_Resample24Lerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
{
int i, j, r, yi, oldy, f, fstep, lerp, endy = (inheight-1), inwidth3 = inwidth * 3, outwidth3 = outwidth * 3;
- qbyte *inrow, *out;
+ qbyte *out;
+ const qbyte *inrow;
out = outdata;
fstep = (int) (inheight*65536.0f/outheight);
}
}
-void Image_Resample24Nolerp(void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
+void Image_Resample24Nolerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
{
int i, j, f, inwidth3 = inwidth * 3;
unsigned frac, fracstep;
Image_Resample
================
*/
-void Image_Resample (void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int bytesperpixel, int quality)
+void Image_Resample (const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int bytesperpixel, int quality)
{
if (indepth != 1 || outdepth != 1)
Sys_Error("Image_Resample: 3D resampling not supported\n");
}
// in can be the same as out
-void Image_MipReduce(qbyte *in, qbyte *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth, int bytesperpixel)
+void Image_MipReduce(const qbyte *in, qbyte *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth, int bytesperpixel)
{
int x, y, nextrow;
if (*depth != 1 || destdepth != 1)
}
}
+void Image_HeightmapToNormalmap(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale)
+{
+ int x, y;
+ const unsigned char *p0, *p1, *p2;
+ unsigned char *out;
+ float iwidth, iheight, ibumpscale, n[3];
+ iwidth = 1.0f / width;
+ iheight = 1.0f / height;
+ ibumpscale = (255.0f * 3.0f) / (bumpscale * 8.0f);
+ out = outpixels;
+ for (y = 0;y < height;y++)
+ {
+ for (x = 0;x < width;x++)
+ {
+ p0 = inpixels + (y * width + x) * 4;
+ if (x == width - 1)
+ {
+ if (clamp)
+ p1 = inpixels + (y * width + x) * 4;
+ else
+ p1 = inpixels + (y * width) * 4;
+ }
+ else
+ p1 = inpixels + (y * width + x + 1) * 4;
+ if (y == height - 1)
+ {
+ if (clamp)
+ p2 = inpixels + (y * width + x) * 4;
+ else
+ p2 = inpixels + x * 4;
+ }
+ else
+ p2 = inpixels + ((y + 1) * width + x) * 4;
+ /*
+ dv[0][0] = iwidth;
+ dv[0][1] = 0;
+ dv[0][2] = ((p1[0] + p1[1] + p1[2]) * ibumpscale) - ((p0[0] + p0[1] + p0[2]) * ibumpscale);
+ dv[1][0] = 0;
+ dv[1][1] = iheight;
+ dv[1][2] = ((p2[0] + p2[1] + p2[2]) * ibumpscale) - ((p0[0] + p0[1] + p0[2]) * ibumpscale);
+ n[0] = dv[0][1]*dv[1][2]-dv[0][2]*dv[1][1];
+ n[1] = dv[0][2]*dv[1][0]-dv[0][0]*dv[1][2];
+ n[2] = dv[0][0]*dv[1][1]-dv[0][1]*dv[1][0];
+ */
+ n[0] = ((p0[0] + p0[1] + p0[2]) - (p1[0] + p1[1] + p1[2]));
+ n[1] = ((p0[0] + p0[1] + p0[2]) - (p2[0] + p2[1] + p2[2]));
+ n[2] = ibumpscale;
+ VectorNormalize(n);
+ out[0] = 128.0f + n[0] * 127.0f;
+ out[1] = 128.0f + n[1] * 127.0f;
+ out[2] = 128.0f + n[2] * 127.0f;
+ out[3] = 255;
+ out += 4;
+ }
+ }
+}