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Diffstat (limited to 'fitz/res_colorspace.c')
-rw-r--r--fitz/res_colorspace.c200
1 files changed, 100 insertions, 100 deletions
diff --git a/fitz/res_colorspace.c b/fitz/res_colorspace.c
index 09e6c349..a98d568b 100644
--- a/fitz/res_colorspace.c
+++ b/fitz/res_colorspace.c
@@ -3,21 +3,21 @@
#define SLOWCMYK
fz_colorspace *
-fz_newcolorspace(char *name, int n)
+fz_new_colorspace(char *name, int n)
{
fz_colorspace *cs = fz_malloc(sizeof(fz_colorspace));
cs->refs = 1;
fz_strlcpy(cs->name, name, sizeof cs->name);
cs->n = n;
- cs->toxyz = nil;
- cs->fromxyz = nil;
- cs->freedata = nil;
- cs->data = nil;
+ cs->to_xyz = NULL;
+ cs->from_xyz = NULL;
+ cs->free_data = NULL;
+ cs->data = NULL;
return cs;
}
fz_colorspace *
-fz_keepcolorspace(fz_colorspace *cs)
+fz_keep_colorspace(fz_colorspace *cs)
{
if (cs->refs < 0)
return cs;
@@ -26,28 +26,28 @@ fz_keepcolorspace(fz_colorspace *cs)
}
void
-fz_dropcolorspace(fz_colorspace *cs)
+fz_drop_colorspace(fz_colorspace *cs)
{
if (cs && cs->refs < 0)
return;
if (cs && --cs->refs == 0)
{
- if (cs->freedata && cs->data)
- cs->freedata(cs);
+ if (cs->free_data && cs->data)
+ cs->free_data(cs);
fz_free(cs);
}
}
/* Device colorspace definitions */
-static void graytoxyz(fz_colorspace *cs, float *gray, float *xyz)
+static void gray_to_xyz(fz_colorspace *cs, float *gray, float *xyz)
{
xyz[0] = gray[0];
xyz[1] = gray[0];
xyz[2] = gray[0];
}
-static void xyztogray(fz_colorspace *cs, float *xyz, float *gray)
+static void xyz_to_gray(fz_colorspace *cs, float *xyz, float *gray)
{
float r = xyz[0];
float g = xyz[1];
@@ -55,35 +55,35 @@ static void xyztogray(fz_colorspace *cs, float *xyz, float *gray)
gray[0] = r * 0.3f + g * 0.59f + b * 0.11f;
}
-static void rgbtoxyz(fz_colorspace *cs, float *rgb, float *xyz)
+static void rgb_to_xyz(fz_colorspace *cs, float *rgb, float *xyz)
{
xyz[0] = rgb[0];
xyz[1] = rgb[1];
xyz[2] = rgb[2];
}
-static void xyztorgb(fz_colorspace *cs, float *xyz, float *rgb)
+static void xyz_to_rgb(fz_colorspace *cs, float *xyz, float *rgb)
{
rgb[0] = xyz[0];
rgb[1] = xyz[1];
rgb[2] = xyz[2];
}
-static void bgrtoxyz(fz_colorspace *cs, float *bgr, float *xyz)
+static void bgr_to_xyz(fz_colorspace *cs, float *bgr, float *xyz)
{
xyz[0] = bgr[2];
xyz[1] = bgr[1];
xyz[2] = bgr[0];
}
-static void xyztobgr(fz_colorspace *cs, float *xyz, float *bgr)
+static void xyz_to_bgr(fz_colorspace *cs, float *xyz, float *bgr)
{
bgr[0] = xyz[2];
bgr[1] = xyz[1];
bgr[2] = xyz[0];
}
-static void cmyktoxyz(fz_colorspace *cs, float *cmyk, float *xyz)
+static void cmyk_to_xyz(fz_colorspace *cs, float *cmyk, float *xyz)
{
#ifdef SLOWCMYK /* from poppler */
float c = cmyk[0], m = cmyk[1], y = cmyk[2], k = cmyk[3];
@@ -146,7 +146,7 @@ static void cmyktoxyz(fz_colorspace *cs, float *cmyk, float *xyz)
#endif
}
-static void xyztocmyk(fz_colorspace *cs, float *xyz, float *cmyk)
+static void xyz_to_cmyk(fz_colorspace *cs, float *xyz, float *cmyk)
{
float c, m, y, k;
c = 1 - xyz[0];
@@ -159,19 +159,19 @@ static void xyztocmyk(fz_colorspace *cs, float *xyz, float *cmyk)
cmyk[3] = k;
}
-static fz_colorspace kdevicegray = { -1, "DeviceGray", 1, graytoxyz, xyztogray };
-static fz_colorspace kdevicergb = { -1, "DeviceRGB", 3, rgbtoxyz, xyztorgb };
-static fz_colorspace kdevicebgr = { -1, "DeviceRGB", 3, bgrtoxyz, xyztobgr };
-static fz_colorspace kdevicecmyk = { -1, "DeviceCMYK", 4, cmyktoxyz, xyztocmyk };
+static fz_colorspace k_device_gray = { -1, "DeviceGray", 1, gray_to_xyz, xyz_to_gray };
+static fz_colorspace k_device_rgb = { -1, "DeviceRGB", 3, rgb_to_xyz, xyz_to_rgb };
+static fz_colorspace k_device_bgr = { -1, "DeviceRGB", 3, bgr_to_xyz, xyz_to_bgr };
+static fz_colorspace k_device_cmyk = { -1, "DeviceCMYK", 4, cmyk_to_xyz, xyz_to_cmyk };
-fz_colorspace *fz_devicegray = &kdevicegray;
-fz_colorspace *fz_devicergb = &kdevicergb;
-fz_colorspace *fz_devicebgr = &kdevicebgr;
-fz_colorspace *fz_devicecmyk = &kdevicecmyk;
+fz_colorspace *fz_device_gray = &k_device_gray;
+fz_colorspace *fz_device_rgb = &k_device_rgb;
+fz_colorspace *fz_device_bgr = &k_device_bgr;
+fz_colorspace *fz_device_cmyk = &k_device_cmyk;
/* Fast pixmap color conversions */
-static void fastgraytorgb(fz_pixmap *src, fz_pixmap *dst)
+static void fast_gray_to_rgb(fz_pixmap *src, fz_pixmap *dst)
{
unsigned char *s = src->samples;
unsigned char *d = dst->samples;
@@ -187,7 +187,7 @@ static void fastgraytorgb(fz_pixmap *src, fz_pixmap *dst)
}
}
-static void fastgraytocmyk(fz_pixmap *src, fz_pixmap *dst)
+static void fast_gray_to_cmyk(fz_pixmap *src, fz_pixmap *dst)
{
unsigned char *s = src->samples;
unsigned char *d = dst->samples;
@@ -204,7 +204,7 @@ static void fastgraytocmyk(fz_pixmap *src, fz_pixmap *dst)
}
}
-static void fastrgbtogray(fz_pixmap *src, fz_pixmap *dst)
+static void fast_rgb_to_gray(fz_pixmap *src, fz_pixmap *dst)
{
unsigned char *s = src->samples;
unsigned char *d = dst->samples;
@@ -218,7 +218,7 @@ static void fastrgbtogray(fz_pixmap *src, fz_pixmap *dst)
}
}
-static void fastbgrtogray(fz_pixmap *src, fz_pixmap *dst)
+static void fast_bgr_to_gray(fz_pixmap *src, fz_pixmap *dst)
{
unsigned char *s = src->samples;
unsigned char *d = dst->samples;
@@ -232,7 +232,7 @@ static void fastbgrtogray(fz_pixmap *src, fz_pixmap *dst)
}
}
-static void fastrgbtocmyk(fz_pixmap *src, fz_pixmap *dst)
+static void fast_rgb_to_cmyk(fz_pixmap *src, fz_pixmap *dst)
{
unsigned char *s = src->samples;
unsigned char *d = dst->samples;
@@ -253,7 +253,7 @@ static void fastrgbtocmyk(fz_pixmap *src, fz_pixmap *dst)
}
}
-static void fastbgrtocmyk(fz_pixmap *src, fz_pixmap *dst)
+static void fast_bgr_to_cmyk(fz_pixmap *src, fz_pixmap *dst)
{
unsigned char *s = src->samples;
unsigned char *d = dst->samples;
@@ -274,7 +274,7 @@ static void fastbgrtocmyk(fz_pixmap *src, fz_pixmap *dst)
}
}
-static void fastcmyktogray(fz_pixmap *src, fz_pixmap *dst)
+static void fast_cmyk_to_gray(fz_pixmap *src, fz_pixmap *dst)
{
unsigned char *s = src->samples;
unsigned char *d = dst->samples;
@@ -291,7 +291,7 @@ static void fastcmyktogray(fz_pixmap *src, fz_pixmap *dst)
}
}
-static void fastcmyktorgb(fz_pixmap *src, fz_pixmap *dst)
+static void fast_cmyk_to_rgb(fz_pixmap *src, fz_pixmap *dst)
{
unsigned char *s = src->samples;
unsigned char *d = dst->samples;
@@ -304,7 +304,7 @@ static void fastcmyktorgb(fz_pixmap *src, fz_pixmap *dst)
cmyk[1] = s[1] / 255.0f;
cmyk[2] = s[2] / 255.0f;
cmyk[3] = s[3] / 255.0f;
- cmyktoxyz(nil, cmyk, rgb);
+ cmyk_to_xyz(NULL, cmyk, rgb);
d[0] = rgb[0] * 255;
d[1] = rgb[1] * 255;
d[2] = rgb[2] * 255;
@@ -319,7 +319,7 @@ static void fastcmyktorgb(fz_pixmap *src, fz_pixmap *dst)
}
}
-static void fastcmyktobgr(fz_pixmap *src, fz_pixmap *dst)
+static void fast_cmyk_to_bgr(fz_pixmap *src, fz_pixmap *dst)
{
unsigned char *s = src->samples;
unsigned char *d = dst->samples;
@@ -332,7 +332,7 @@ static void fastcmyktobgr(fz_pixmap *src, fz_pixmap *dst)
cmyk[1] = s[1] / 255.0f;
cmyk[2] = s[2] / 255.0f;
cmyk[3] = s[3] / 255.0f;
- cmyktoxyz(nil, cmyk, rgb);
+ cmyk_to_xyz(NULL, cmyk, rgb);
d[0] = rgb[2] * 255;
d[1] = rgb[1] * 255;
d[2] = rgb[0] * 255;
@@ -347,7 +347,7 @@ static void fastcmyktobgr(fz_pixmap *src, fz_pixmap *dst)
}
}
-static void fastrgbtobgr(fz_pixmap *src, fz_pixmap *dst)
+static void fast_rgb_to_bgr(fz_pixmap *src, fz_pixmap *dst)
{
unsigned char *s = src->samples;
unsigned char *d = dst->samples;
@@ -364,10 +364,10 @@ static void fastrgbtobgr(fz_pixmap *src, fz_pixmap *dst)
}
static void
-fz_stdconvpixmap(fz_pixmap *src, fz_pixmap *dst)
+fz_std_conv_pixmap(fz_pixmap *src, fz_pixmap *dst)
{
- float srcv[FZ_MAXCOLORS];
- float dstv[FZ_MAXCOLORS];
+ float srcv[FZ_MAX_COLORS];
+ float dstv[FZ_MAX_COLORS];
int srcn, dstn;
int y, x, k, i;
@@ -395,7 +395,7 @@ fz_stdconvpixmap(fz_pixmap *src, fz_pixmap *dst)
srcv[1] = *s++ - 128;
srcv[2] = *s++ - 128;
- fz_convertcolor(ss, srcv, ds, dstv);
+ fz_convert_color(ss, srcv, ds, dstv);
for (k = 0; k < dstn; k++)
*d++ = dstv[k] * 255;
@@ -415,7 +415,7 @@ fz_stdconvpixmap(fz_pixmap *src, fz_pixmap *dst)
for (k = 0; k < srcn; k++)
srcv[k] = *s++ / 255.0f;
- fz_convertcolor(ss, srcv, ds, dstv);
+ fz_convert_color(ss, srcv, ds, dstv);
for (k = 0; k < dstn; k++)
*d++ = dstv[k] * 255;
@@ -428,12 +428,12 @@ fz_stdconvpixmap(fz_pixmap *src, fz_pixmap *dst)
/* 1-d lookup table for separation and similar colorspaces */
else if (srcn == 1)
{
- unsigned char lookup[FZ_MAXCOLORS * 256];
+ unsigned char lookup[FZ_MAX_COLORS * 256];
for (i = 0; i < 256; i++)
{
srcv[0] = i / 255.0f;
- fz_convertcolor(ss, srcv, ds, dstv);
+ fz_convert_color(ss, srcv, ds, dstv);
for (k = 0; k < dstn; k++)
lookup[i * dstn + k] = dstv[k] * 255;
}
@@ -453,16 +453,16 @@ fz_stdconvpixmap(fz_pixmap *src, fz_pixmap *dst)
/* Memoize colors using a hash table for the general case */
else
{
- fz_hashtable *lookup;
+ fz_hash_table *lookup;
unsigned char *color;
- lookup = fz_newhash(509, srcn);
+ lookup = fz_new_hash_table(509, srcn);
for (y = 0; y < src->h; y++)
{
for (x = 0; x < src->w; x++)
{
- color = fz_hashfind(lookup, s);
+ color = fz_hash_find(lookup, s);
if (color)
{
memcpy(d, color, dstn);
@@ -474,23 +474,23 @@ fz_stdconvpixmap(fz_pixmap *src, fz_pixmap *dst)
{
for (k = 0; k < srcn; k++)
srcv[k] = *s++ / 255.0f;
- fz_convertcolor(ss, srcv, ds, dstv);
+ fz_convert_color(ss, srcv, ds, dstv);
for (k = 0; k < dstn; k++)
*d++ = dstv[k] * 255;
- fz_hashinsert(lookup, s - srcn, d - dstn);
+ fz_hash_insert(lookup, s - srcn, d - dstn);
*d++ = *s++;
}
}
}
- fz_freehash(lookup);
+ fz_free_hash(lookup);
}
}
void
-fz_convertpixmap(fz_pixmap *sp, fz_pixmap *dp)
+fz_convert_pixmap(fz_pixmap *sp, fz_pixmap *dp)
{
fz_colorspace *ss = sp->colorspace;
fz_colorspace *ds = dp->colorspace;
@@ -498,57 +498,57 @@ fz_convertpixmap(fz_pixmap *sp, fz_pixmap *dp)
assert(ss && ds);
if (sp->mask)
- dp->mask = fz_keeppixmap(sp->mask);
+ dp->mask = fz_keep_pixmap(sp->mask);
dp->interpolate = sp->interpolate;
- if (ss == fz_devicegray)
+ if (ss == fz_device_gray)
{
- if (ds == fz_devicergb) fastgraytorgb(sp, dp);
- else if (ds == fz_devicebgr) fastgraytorgb(sp, dp); /* bgr == rgb here */
- else if (ds == fz_devicecmyk) fastgraytocmyk(sp, dp);
- else fz_stdconvpixmap(sp, dp);
+ if (ds == fz_device_rgb) fast_gray_to_rgb(sp, dp);
+ else if (ds == fz_device_bgr) fast_gray_to_rgb(sp, dp); /* bgr == rgb here */
+ else if (ds == fz_device_cmyk) fast_gray_to_cmyk(sp, dp);
+ else fz_std_conv_pixmap(sp, dp);
}
- else if (ss == fz_devicergb)
+ else if (ss == fz_device_rgb)
{
- if (ds == fz_devicegray) fastrgbtogray(sp, dp);
- else if (ds == fz_devicebgr) fastrgbtobgr(sp, dp);
- else if (ds == fz_devicecmyk) fastrgbtocmyk(sp, dp);
- else fz_stdconvpixmap(sp, dp);
+ if (ds == fz_device_gray) fast_rgb_to_gray(sp, dp);
+ else if (ds == fz_device_bgr) fast_rgb_to_bgr(sp, dp);
+ else if (ds == fz_device_cmyk) fast_rgb_to_cmyk(sp, dp);
+ else fz_std_conv_pixmap(sp, dp);
}
- else if (ss == fz_devicebgr)
+ else if (ss == fz_device_bgr)
{
- if (ds == fz_devicegray) fastbgrtogray(sp, dp);
- else if (ds == fz_devicergb) fastrgbtobgr(sp, dp); /* bgr = rgb here */
- else if (ds == fz_devicecmyk) fastbgrtocmyk(sp, dp);
- else fz_stdconvpixmap(sp, dp);
+ if (ds == fz_device_gray) fast_bgr_to_gray(sp, dp);
+ else if (ds == fz_device_rgb) fast_rgb_to_bgr(sp, dp); /* bgr = rgb here */
+ else if (ds == fz_device_cmyk) fast_bgr_to_cmyk(sp, dp);
+ else fz_std_conv_pixmap(sp, dp);
}
- else if (ss == fz_devicecmyk)
+ else if (ss == fz_device_cmyk)
{
- if (ds == fz_devicegray) fastcmyktogray(sp, dp);
- else if (ds == fz_devicebgr) fastcmyktobgr(sp, dp);
- else if (ds == fz_devicergb) fastcmyktorgb(sp, dp);
- else fz_stdconvpixmap(sp, dp);
+ if (ds == fz_device_gray) fast_cmyk_to_gray(sp, dp);
+ else if (ds == fz_device_bgr) fast_cmyk_to_bgr(sp, dp);
+ else if (ds == fz_device_rgb) fast_cmyk_to_rgb(sp, dp);
+ else fz_std_conv_pixmap(sp, dp);
}
- else fz_stdconvpixmap(sp, dp);
+ else fz_std_conv_pixmap(sp, dp);
}
/* Convert a single color */
static void
-fz_stdconvcolor(fz_colorspace *srcs, float *srcv, fz_colorspace *dsts, float *dstv)
+fz_std_conv_color(fz_colorspace *srcs, float *srcv, fz_colorspace *dsts, float *dstv)
{
float xyz[3];
int i;
if (srcs != dsts)
{
- assert(srcs->toxyz && dsts->fromxyz);
- srcs->toxyz(srcs, srcv, xyz);
- dsts->fromxyz(dsts, xyz, dstv);
+ assert(srcs->to_xyz && dsts->from_xyz);
+ srcs->to_xyz(srcs, srcv, xyz);
+ dsts->from_xyz(dsts, xyz, dstv);
for (i = 0; i < dsts->n; i++)
dstv[i] = CLAMP(dstv[i], 0, 1);
}
@@ -560,17 +560,17 @@ fz_stdconvcolor(fz_colorspace *srcs, float *srcv, fz_colorspace *dsts, float *ds
}
void
-fz_convertcolor(fz_colorspace *ss, float *sv, fz_colorspace *ds, float *dv)
+fz_convert_color(fz_colorspace *ss, float *sv, fz_colorspace *ds, float *dv)
{
- if (ss == fz_devicegray)
+ if (ss == fz_device_gray)
{
- if ((ds == fz_devicergb) || (ds == fz_devicebgr))
+ if ((ds == fz_device_rgb) || (ds == fz_device_bgr))
{
dv[0] = sv[0];
dv[1] = sv[0];
dv[2] = sv[0];
}
- else if (ds == fz_devicecmyk)
+ else if (ds == fz_device_cmyk)
{
dv[0] = 0;
dv[1] = 0;
@@ -578,22 +578,22 @@ fz_convertcolor(fz_colorspace *ss, float *sv, fz_colorspace *ds, float *dv)
dv[3] = sv[0];
}
else
- fz_stdconvcolor(ss, sv, ds, dv);
+ fz_std_conv_color(ss, sv, ds, dv);
}
- else if (ss == fz_devicergb)
+ else if (ss == fz_device_rgb)
{
- if (ds == fz_devicegray)
+ if (ds == fz_device_gray)
{
dv[0] = sv[0] * 0.3f + sv[1] * 0.59f + sv[2] * 0.11f;
}
- else if (ds == fz_devicebgr)
+ else if (ds == fz_device_bgr)
{
dv[0] = sv[2];
dv[1] = sv[1];
dv[2] = sv[0];
}
- else if (ds == fz_devicecmyk)
+ else if (ds == fz_device_cmyk)
{
float c = 1 - sv[0];
float m = 1 - sv[1];
@@ -605,22 +605,22 @@ fz_convertcolor(fz_colorspace *ss, float *sv, fz_colorspace *ds, float *dv)
dv[3] = k;
}
else
- fz_stdconvcolor(ss, sv, ds, dv);
+ fz_std_conv_color(ss, sv, ds, dv);
}
- else if (ss == fz_devicebgr)
+ else if (ss == fz_device_bgr)
{
- if (ds == fz_devicegray)
+ if (ds == fz_device_gray)
{
dv[0] = sv[0] * 0.11f + sv[1] * 0.59f + sv[2] * 0.3f;
}
- else if (ds == fz_devicebgr)
+ else if (ds == fz_device_bgr)
{
dv[0] = sv[2];
dv[1] = sv[1];
dv[2] = sv[0];
}
- else if (ds == fz_devicecmyk)
+ else if (ds == fz_device_cmyk)
{
float c = 1 - sv[2];
float m = 1 - sv[1];
@@ -632,33 +632,33 @@ fz_convertcolor(fz_colorspace *ss, float *sv, fz_colorspace *ds, float *dv)
dv[3] = k;
}
else
- fz_stdconvcolor(ss, sv, ds, dv);
+ fz_std_conv_color(ss, sv, ds, dv);
}
- else if (ss == fz_devicecmyk)
+ else if (ss == fz_device_cmyk)
{
- if (ds == fz_devicegray)
+ if (ds == fz_device_gray)
{
float c = sv[0] * 0.3f;
float m = sv[1] * 0.59f;
float y = sv[2] * 0.11f;
dv[0] = 1 - MIN(c + m + y + sv[3], 1);
}
- else if (ds == fz_devicergb)
+ else if (ds == fz_device_rgb)
{
#ifdef SLOWCMYK
- cmyktoxyz(nil, sv, dv);
+ cmyk_to_xyz(NULL, sv, dv);
#else
dv[0] = 1 - MIN(sv[0] + sv[3], 1);
dv[1] = 1 - MIN(sv[1] + sv[3], 1);
dv[2] = 1 - MIN(sv[2] + sv[3], 1);
#endif
}
- else if (ds == fz_devicebgr)
+ else if (ds == fz_device_bgr)
{
#ifdef SLOWCMYK
float rgb[3];
- cmyktoxyz(nil, sv, rgb);
+ cmyk_to_xyz(NULL, sv, rgb);
dv[0] = rgb[2];
dv[1] = rgb[1];
dv[2] = rgb[0];
@@ -669,9 +669,9 @@ fz_convertcolor(fz_colorspace *ss, float *sv, fz_colorspace *ds, float *dv)
#endif
}
else
- fz_stdconvcolor(ss, sv, ds, dv);
+ fz_std_conv_color(ss, sv, ds, dv);
}
else
- fz_stdconvcolor(ss, sv, ds, dv);
+ fz_std_conv_color(ss, sv, ds, dv);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-30 11:14:17 +0000