diff options
Diffstat (limited to 'public')
| -rw-r--r-- | public/fpdf_edit.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/public/fpdf_edit.h b/public/fpdf_edit.h index f75744599f..c547f07890 100644 --- a/public/fpdf_edit.h +++ b/public/fpdf_edit.h @@ -20,6 +20,20 @@ #define FPDF_GetRValue(argb) ((uint8_t)((argb) >> 16)) #define FPDF_GetAValue(argb) ((uint8_t)((argb) >> 24)) +// Refer to PDF Reference version 1.7 table 4.12 for all color space families. +#define FPDF_COLORSPACE_UNKNOWN 0 +#define FPDF_COLORSPACE_DEVICEGRAY 1 +#define FPDF_COLORSPACE_DEVICERGB 2 +#define FPDF_COLORSPACE_DEVICECMYK 3 +#define FPDF_COLORSPACE_CALGRAY 4 +#define FPDF_COLORSPACE_CALRGB 5 +#define FPDF_COLORSPACE_LAB 6 +#define FPDF_COLORSPACE_ICCBASED 7 +#define FPDF_COLORSPACE_SEPARATION 8 +#define FPDF_COLORSPACE_DEVICEN 9 +#define FPDF_COLORSPACE_INDEXED 10 +#define FPDF_COLORSPACE_PATTERN 11 + // The page object constants. #define FPDF_PAGEOBJ_UNKNOWN 0 #define FPDF_PAGEOBJ_TEXT 1 @@ -47,6 +61,21 @@ #define FPDF_PRINTMODE_POSTSCRIPT2 2 #define FPDF_PRINTMODE_POSTSCRIPT3 3 +typedef struct FPDF_IMAGEOBJ_METADATA { + // The image width in pixels. + unsigned int width; + // The image height in pixels. + unsigned int height; + // The image's horizontal pixel-per-inch. + float horizontal_dpi; + // The image's vertical pixel-per-inch. + float vertical_dpi; + // The number of bits used to represent each pixel. + unsigned int bits_per_pixel; + // The image's colorspace. See above for the list of FPDF_COLORSPACE_*. + int colorspace; +} FPDF_IMAGEOBJ_METADATA; + #ifdef __cplusplus extern "C" { #endif // __cplusplus @@ -366,6 +395,22 @@ FPDFImageObj_GetImageFilter(FPDF_PAGEOBJECT image_object, void* buffer, unsigned long buflen); +// Get the image metadata of |image_object|, including dimension, DPI, bits per +// pixel, and colorspace. If the |image_object| is not an image object or if it +// does not have an image, then the return value will be false. Otherwise, +// failure to retrieve any specific parameter would result in its value being 0. +// +// image_object - handle to an image object. +// page - handle to the page that |image_object| is on. Required for +// retrieving the image's bits per pixel and colorspace. +// metadata - receives the image metadata; must not be NULL. +// +// Returns true if successful. +FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV +FPDFImageObj_GetImageMetadata(FPDF_PAGEOBJECT image_object, + FPDF_PAGE page, + FPDF_IMAGEOBJ_METADATA* metadata); + // Create a new path object at an initial position. // // x - initial horizontal position. |