diff options
| -rw-r--r-- | include/mupdf/fitz.h | 1 | ||||
| -rw-r--r-- | include/mupdf/fitz/separation.h | 24 | ||||
| -rw-r--r-- | platform/win32/libmupdf.vcproj | 8 | ||||
| -rw-r--r-- | source/fitz/separation.c | 157 |
4 files changed, 190 insertions, 0 deletions
diff --git a/include/mupdf/fitz.h b/include/mupdf/fitz.h index 450626fa..58396759 100644 --- a/include/mupdf/fitz.h +++ b/include/mupdf/fitz.h @@ -33,6 +33,7 @@ #include "mupdf/fitz/font.h" #include "mupdf/fitz/path.h" #include "mupdf/fitz/text.h" +#include "mupdf/fitz/separation.h" #include "mupdf/fitz/device.h" #include "mupdf/fitz/display-list.h" diff --git a/include/mupdf/fitz/separation.h b/include/mupdf/fitz/separation.h new file mode 100644 index 00000000..8832414e --- /dev/null +++ b/include/mupdf/fitz/separation.h @@ -0,0 +1,24 @@ +#ifndef MUPDF_FITZ_SEPARATION_H +#define MUPDF_FITZ_SEPARATION_H + +#include "mupdf/fitz/system.h" +#include "mupdf/fitz/context.h" + +enum +{ + FZ_MAX_SEPARATIONS = 64 +}; + +typedef struct fz_separations_s fz_separations; + +fz_separations *fz_new_separations(fz_context *ctx); +fz_separations *fz_keep_separations(fz_context *ctx, fz_separations *sep); +void fz_drop_separations(fz_context *ctx, fz_separations *sep); +void fz_add_separation(fz_context *ctx, fz_separations *sep, uint32_t rgb, uint32_t cmyk, char *name); +void fz_control_separation(fz_context *ctx, fz_separations *sep, int separation, int disable); +int fz_separation_disabled(fz_context *ctx, fz_separations *sep, int separation); +int fz_separations_all_enabled(fz_context *ctx, fz_separations *sep); +const char *fz_get_separation(fz_context *ctx, fz_separations *sep, int separation, uint32_t *rgb, uint32_t *cmyk); +int fz_count_separations(fz_context *ctx, fz_separations *sep); + +#endif diff --git a/platform/win32/libmupdf.vcproj b/platform/win32/libmupdf.vcproj index 8e268f15..50b64556 100644 --- a/platform/win32/libmupdf.vcproj +++ b/platform/win32/libmupdf.vcproj @@ -962,6 +962,10 @@ > </File> <File + RelativePath="..\..\source\fitz\separation.c" + > + </File> + <File RelativePath="..\..\source\fitz\shade.c" > </File> @@ -1493,6 +1497,10 @@ > </File> <File + RelativePath="..\..\include\mupdf\fitz\separation.h" + > + </File> + <File RelativePath="..\..\include\mupdf\fitz\shade.h" > </File> diff --git a/source/fitz/separation.c b/source/fitz/separation.c new file mode 100644 index 00000000..ade8173b --- /dev/null +++ b/source/fitz/separation.c @@ -0,0 +1,157 @@ +#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; +} |