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#include "mupdf/fitz.h"
struct fz_separations_s
{
int refs;
int num_separations;
uint32_t disabled[(FZ_MAX_SEPARATIONS + 31) / 32];
uint32_t equiv_rgb[FZ_MAX_SEPARATIONS];
uint32_t equiv_cmyk[FZ_MAX_SEPARATIONS];
char *name[FZ_MAX_SEPARATIONS];
};
fz_separations *fz_new_separations(fz_context *ctx)
{
fz_separations *sep;
sep = fz_malloc_struct(ctx, fz_separations);
sep->refs = 1;
return sep;
}
fz_separations *fz_keep_separations(fz_context *ctx, fz_separations *sep)
{
int i;
if (!ctx || !sep)
return NULL;
fz_lock(ctx, FZ_LOCK_ALLOC);
i = sep->refs;
if (i > 0)
sep->refs++;
fz_unlock(ctx, FZ_LOCK_ALLOC);
return sep;
}
void fz_drop_separations(fz_context *ctx, fz_separations *sep)
{
int i;
if (!ctx || !sep)
return;
fz_lock(ctx, FZ_LOCK_ALLOC);
i = sep->refs;
if (i > 0)
sep->refs--;
fz_unlock(ctx, FZ_LOCK_ALLOC);
if (i == 1)
fz_free(ctx, sep);
}
void fz_add_separation(fz_context *ctx, fz_separations *sep, uint32_t rgb, uint32_t cmyk, char *name)
{
int n;
if (!ctx || !sep)
return;
n = sep->num_separations;
if (n == FZ_MAX_SEPARATIONS)
fz_throw(ctx, FZ_ERROR_GENERIC, "Too many separations");
sep->name[n] = fz_strdup(ctx, name);
sep->equiv_rgb[n] = rgb;
sep->equiv_cmyk[n] = cmyk;
sep->num_separations++;
}
void fz_control_separation(fz_context *ctx, fz_separations *sep, int separation, int disable)
{
int bit;
if (!ctx || !sep)
return;
if (separation < 0 || separation >= sep->num_separations)
fz_throw(ctx, FZ_ERROR_GENERIC, "Can't disable non-existent separation");
bit = 1<<(separation & 31);
separation >>= 5;
if (disable)
{
/* If it's already disabled, great */
if (sep->disabled[separation] & bit)
return;
sep->disabled[separation] |= bit;
}
else
{
/* If it's already enabled, great */
if ((sep->disabled[separation] & bit) == 0)
return;
sep->disabled[separation] &= ~bit;
}
/* FIXME: Could only empty images from the store, or maybe only
* images that depend on separations. */
fz_empty_store(ctx);
}
int fz_separation_disabled(fz_context *ctx, fz_separations *sep, int separation)
{
int bit;
if (!ctx || !sep)
return 0;
if (separation < 0 || separation >= sep->num_separations)
fz_throw(ctx, FZ_ERROR_GENERIC, "Can't access non-existent separation");
bit = 1<<(separation & 31);
separation >>= 5;
return ((sep->disabled[separation] & bit) != 0);
}
int fz_separations_all_enabled(fz_context *ctx, fz_separations *sep)
{
int i;
if (!ctx || !sep)
return 1;
for (i = 0; i < (FZ_MAX_SEPARATIONS + 31) / 32; i++)
if (sep->disabled[i] != 0)
return 0;
return 1;
}
const char *fz_get_separation(fz_context *ctx, fz_separations *sep, int separation, uint32_t *rgb, uint32_t *cmyk)
{
if (!ctx || !sep)
return NULL;
if (separation < 0 || separation >= sep->num_separations)
fz_throw(ctx, FZ_ERROR_GENERIC, "Can't access non-existent separation");
if (rgb)
*rgb = sep->equiv_rgb[separation];
if (cmyk)
*cmyk = sep->equiv_cmyk[separation];
return sep->name[separation];
}
int fz_count_separations(fz_context *ctx, fz_separations *sep)
{
if (!ctx || !sep)
return 0;
return sep->num_separations;
}
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