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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef PUBLIC_FPDF_EDIT_H_
#define PUBLIC_FPDF_EDIT_H_
#include <stdint.h>
// NOLINTNEXTLINE(build/include)
#include "fpdfview.h"
#define FPDF_ARGB(a, r, g, b) \
((uint32_t)(((uint32_t)(b)&0xff) | (((uint32_t)(g)&0xff) << 8) | \
(((uint32_t)(r)&0xff) << 16) | (((uint32_t)(a)&0xff) << 24)))
#define FPDF_GetBValue(argb) ((uint8_t)(argb))
#define FPDF_GetGValue(argb) ((uint8_t)(((uint16_t)(argb)) >> 8))
#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
#define FPDF_PAGEOBJ_PATH 2
#define FPDF_PAGEOBJ_IMAGE 3
#define FPDF_PAGEOBJ_SHADING 4
#define FPDF_PAGEOBJ_FORM 5
// The path segment constants.
#define FPDF_SEGMENT_UNKNOWN -1
#define FPDF_SEGMENT_LINETO 0
#define FPDF_SEGMENT_BEZIERTO 1
#define FPDF_SEGMENT_MOVETO 2
#define FPDF_FILLMODE_ALTERNATE 1
#define FPDF_FILLMODE_WINDING 2
#define FPDF_FONT_TYPE1 1
#define FPDF_FONT_TRUETYPE 2
#define FPDF_LINECAP_BUTT 0
#define FPDF_LINECAP_ROUND 1
#define FPDF_LINECAP_PROJECTING_SQUARE 2
#define FPDF_LINEJOIN_MITER 0
#define FPDF_LINEJOIN_ROUND 1
#define FPDF_LINEJOIN_BEVEL 2
#define FPDF_PRINTMODE_EMF 0
#define FPDF_PRINTMODE_TEXTONLY 1
#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
// Create a new PDF document.
//
// Returns a handle to a new document, or NULL on failure.
FPDF_EXPORT FPDF_DOCUMENT FPDF_CALLCONV FPDF_CreateNewDocument();
// Create a new PDF page.
//
// document - handle to document.
// page_index - suggested index of the page to create. If it is larger than
// document's current last index(L), the created page index is
// the next available index -- L+1.
// width - the page width.
// height - the page height.
//
// Returns the handle to the new page.
//
// The page should be closed with CPDF_ClosePage() when finished as
// with any other page in the document.
FPDF_EXPORT FPDF_PAGE FPDF_CALLCONV FPDFPage_New(FPDF_DOCUMENT document,
int page_index,
double width,
double height);
// Delete the page at |page_index|.
//
// document - handle to document.
// page_index - the index of the page to delete.
FPDF_EXPORT void FPDF_CALLCONV FPDFPage_Delete(FPDF_DOCUMENT document,
int page_index);
// Get the rotation of |page|.
//
// page - handle to a page
//
// Returns one of the following indicating the page rotation:
// 0 - No rotation.
// 1 - Rotated 90 degrees clockwise.
// 2 - Rotated 180 degrees clockwise.
// 3 - Rotated 270 degrees clockwise.
FPDF_EXPORT int FPDF_CALLCONV FPDFPage_GetRotation(FPDF_PAGE page);
// Set rotation for |page|.
//
// page - handle to a page.
// rotate - the rotation value, one of:
// 0 - No rotation.
// 1 - Rotated 90 degrees clockwise.
// 2 - Rotated 180 degrees clockwise.
// 3 - Rotated 270 degrees clockwise.
FPDF_EXPORT void FPDF_CALLCONV FPDFPage_SetRotation(FPDF_PAGE page, int rotate);
// Insert |page_obj| into |page|.
//
// page - handle to a page
// page_obj - handle to a page object. The |page_obj| will be automatically
// freed.
FPDF_EXPORT void FPDF_CALLCONV FPDFPage_InsertObject(FPDF_PAGE page,
FPDF_PAGEOBJECT page_obj);
// Get number of page objects inside |page|.
//
// page - handle to a page.
//
// Returns the number of objects in |page|.
//
// DEPRECATED. Please use FPDFPage_CountObjects.
FPDF_EXPORT int FPDF_CALLCONV FPDFPage_CountObject(FPDF_PAGE page);
// Get number of page objects inside |page|.
//
// page - handle to a page.
//
// Returns the number of objects in |page|.
FPDF_EXPORT int FPDF_CALLCONV FPDFPage_CountObjects(FPDF_PAGE page);
// Get object in |page| at |index|.
//
// page - handle to a page.
// index - the index of a page object.
//
// Returns the handle to the page object, or NULL on failed.
FPDF_EXPORT FPDF_PAGEOBJECT FPDF_CALLCONV FPDFPage_GetObject(FPDF_PAGE page,
int index);
// Checks if |page| contains transparency.
//
// page - handle to a page.
//
// Returns TRUE if |page| contains transparency.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPage_HasTransparency(FPDF_PAGE page);
// Generate the content of |page|.
//
// page - handle to a page.
//
// Returns TRUE on success.
//
// Before you save the page to a file, or reload the page, you must call
// |FPDFPage_GenerateContent| or any changes to |page| will be lost.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPage_GenerateContent(FPDF_PAGE page);
// Destroy |page_obj| by releasing its resources. |page_obj| must have been
// created by FPDFPageObj_CreateNew{Path|Rect}() or
// FPDFPageObj_New{Text|Image}Obj(). This function must be called on
// newly-created objects if they are not added to a page through
// FPDFPage_InsertObject() or to an annotation through FPDFAnnot_AppendObject().
//
// page_obj - handle to a page object.
FPDF_EXPORT void FPDF_CALLCONV FPDFPageObj_Destroy(FPDF_PAGEOBJECT page_obj);
// Checks if |page_object| contains transparency.
//
// page_object - handle to a page object.
//
// Returns TRUE if |pageObject| contains transparency.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_HasTransparency(FPDF_PAGEOBJECT page_object);
// Get type of |page_object|.
//
// page_object - handle to a page object.
//
// Returns one of the FPDF_PAGEOBJ_* values on success, FPDF_PAGEOBJ_UNKNOWN on
// error.
FPDF_EXPORT int FPDF_CALLCONV FPDFPageObj_GetType(FPDF_PAGEOBJECT page_object);
// Transform |page_object| by the given matrix.
//
// page_object - handle to a page object.
// a - matrix value.
// b - matrix value.
// c - matrix value.
// d - matrix value.
// e - matrix value.
// f - matrix value.
//
// The matrix is composed as:
// |a c e|
// |b d f|
// and can be used to scale, rotate, shear and translate the |page_object|.
FPDF_EXPORT void FPDF_CALLCONV
FPDFPageObj_Transform(FPDF_PAGEOBJECT page_object,
double a,
double b,
double c,
double d,
double e,
double f);
// Transform all annotations in |page|.
//
// page - handle to a page.
// a - matrix value.
// b - matrix value.
// c - matrix value.
// d - matrix value.
// e - matrix value.
// f - matrix value.
//
// The matrix is composed as:
// |a c e|
// |b d f|
// and can be used to scale, rotate, shear and translate the |page| annotations.
FPDF_EXPORT void FPDF_CALLCONV FPDFPage_TransformAnnots(FPDF_PAGE page,
double a,
double b,
double c,
double d,
double e,
double f);
// Create a new image object.
//
// document - handle to a document.
//
// Returns a handle to a new image object.
FPDF_EXPORT FPDF_PAGEOBJECT FPDF_CALLCONV
FPDFPageObj_NewImageObj(FPDF_DOCUMENT document);
// Load an image from a JPEG image file and then set it into |image_object|.
//
// pages - pointer to the start of all loaded pages, may be NULL.
// nCount - number of |pages|, may be 0.
// image_object - handle to an image object.
// fileAccess - file access handler which specifies the JPEG image file.
//
// Returns TRUE on success.
//
// The image object might already have an associated image, which is shared and
// cached by the loaded pages. In that case, we need to clear the cached image
// for all the loaded pages. Pass |pages| and page count (|nCount|) to this API
// to clear the image cache. If the image is not previously shared, or NULL is a
// valid |pages| value.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFImageObj_LoadJpegFile(FPDF_PAGE* pages,
int nCount,
FPDF_PAGEOBJECT image_object,
FPDF_FILEACCESS* fileAccess);
// Load an image from a JPEG image file and then set it into |image_object|.
//
// pages - pointer to the start of all loaded pages, may be NULL.
// nCount - number of |pages|, may be 0.
// image_object - handle to an image object.
// fileAccess - file access handler which specifies the JPEG image file.
//
// Returns TRUE on success.
//
// The image object might already have an associated image, which is shared and
// cached by the loaded pages. In that case, we need to clear the cached image
// for all the loaded pages. Pass |pages| and page count (|nCount|) to this API
// to clear the image cache. If the image is not previously shared, or NULL is a
// valid |pages| value. This function loads the JPEG image inline, so the image
// content is copied to the file. This allows |fileAccess| and its associated
// data to be deleted after this function returns.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFImageObj_LoadJpegFileInline(FPDF_PAGE* pages,
int nCount,
FPDF_PAGEOBJECT image_object,
FPDF_FILEACCESS* fileAccess);
// Set the transform matrix of |image_object|.
//
// image_object - handle to an image object.
// a - matrix value.
// b - matrix value.
// c - matrix value.
// d - matrix value.
// e - matrix value.
// f - matrix value.
//
// The matrix is composed as:
// |a c e|
// |b d f|
// and can be used to scale, rotate, shear and translate the |page| annotations.
//
// Returns TRUE on success.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFImageObj_SetMatrix(FPDF_PAGEOBJECT image_object,
double a,
double b,
double c,
double d,
double e,
double f);
// Set |bitmap| to |image_object|.
//
// pages - pointer to the start of all loaded pages, may be NULL.
// nCount - number of |pages|, may be 0.
// image_object - handle to an image object.
// bitmap - handle of the bitmap.
//
// Returns TRUE on success.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFImageObj_SetBitmap(FPDF_PAGE* pages,
int nCount,
FPDF_PAGEOBJECT image_object,
FPDF_BITMAP bitmap);
// Get a bitmap rasterisation of |image_object|. The returned bitmap will be
// owned by the caller, and FPDFBitmap_Destroy() must be called on the returned
// bitmap when it is no longer needed.
//
// image_object - handle to an image object.
//
// Returns the bitmap.
FPDF_EXPORT FPDF_BITMAP FPDF_CALLCONV
FPDFImageObj_GetBitmap(FPDF_PAGEOBJECT image_object);
// Get the decoded image data of |image_object|. The decoded data is the
// uncompressed image data, i.e. the raw image data after having all filters
// applied. |buffer| is only modified if |buflen| is longer than the length of
// the decoded image data.
//
// image_object - handle to an image object.
// buffer - buffer for holding the decoded image data in raw bytes.
// buflen - length of the buffer.
//
// Returns the length of the decoded image data.
FPDF_EXPORT unsigned long FPDF_CALLCONV
FPDFImageObj_GetImageDataDecoded(FPDF_PAGEOBJECT image_object,
void* buffer,
unsigned long buflen);
// Get the raw image data of |image_object|. The raw data is the image data as
// stored in the PDF without applying any filters. |buffer| is only modified if
// |buflen| is longer than the length of the raw image data.
//
// image_object - handle to an image object.
// buffer - buffer for holding the raw image data in raw bytes.
// buflen - length of the buffer.
//
// Returns the length of the raw image data.
FPDF_EXPORT unsigned long FPDF_CALLCONV
FPDFImageObj_GetImageDataRaw(FPDF_PAGEOBJECT image_object,
void* buffer,
unsigned long buflen);
// Get the number of filters (i.e. decoders) of the image in |image_object|.
//
// image_object - handle to an image object.
//
// Returns the number of |image_object|'s filters.
FPDF_EXPORT int FPDF_CALLCONV
FPDFImageObj_GetImageFilterCount(FPDF_PAGEOBJECT image_object);
// Get the filter at |index| of |image_object|'s list of filters. Note that the
// filters need to be applied in order, i.e. the first filter should be applied
// first, then the second, etc. |buffer| is only modified if |buflen| is longer
// than the length of the filter string.
//
// image_object - handle to an image object.
// index - the index of the filter requested.
// buffer - buffer for holding filter string, encoded in UTF-8.
// buflen - length of the buffer.
//
// Returns the length of the filter string.
FPDF_EXPORT unsigned long FPDF_CALLCONV
FPDFImageObj_GetImageFilter(FPDF_PAGEOBJECT image_object,
int index,
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.
// y - initial vertical position.
//
// Returns a handle to a new path object.
FPDF_EXPORT FPDF_PAGEOBJECT FPDF_CALLCONV FPDFPageObj_CreateNewPath(float x,
float y);
// Create a closed path consisting of a rectangle.
//
// x - horizontal position for the left boundary of the rectangle.
// y - vertical position for the bottom boundary of the rectangle.
// w - width of the rectangle.
// h - height of the rectangle.
//
// Returns a handle to the new path object.
FPDF_EXPORT FPDF_PAGEOBJECT FPDF_CALLCONV FPDFPageObj_CreateNewRect(float x,
float y,
float w,
float h);
// Get the bounding box of |page_object|.
//
// page_object - handle to a page object.
// left - pointer where the left coordinate will be stored
// bottom - pointer where the bottom coordinate will be stored
// right - pointer where the right coordinate will be stored
// top - pointer where the top coordinate will be stored
//
// Returns TRUE on success.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_GetBounds(FPDF_PAGEOBJECT page_object,
float* left,
float* bottom,
float* right,
float* top);
// Set the blend mode of |page_object|.
//
// page_object - handle to a page object.
// blend_mode - string containing the blend mode.
//
// Blend mode can be one of following: Color, ColorBurn, ColorDodge, Darken,
// Difference, Exclusion, HardLight, Hue, Lighten, Luminosity, Multiply, Normal,
// Overlay, Saturation, Screen, SoftLight
FPDF_EXPORT void FPDF_CALLCONV
FPDFPageObj_SetBlendMode(FPDF_PAGEOBJECT page_object,
FPDF_BYTESTRING blend_mode);
// Set the stroke RGBA of a path. Range of values: 0 - 255.
//
// path - the handle to the path object.
// R - the red component for the path stroke color.
// G - the green component for the path stroke color.
// B - the blue component for the path stroke color.
// A - the stroke alpha for the path.
//
// Returns TRUE on success.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPath_SetStrokeColor(FPDF_PAGEOBJECT path,
unsigned int R,
unsigned int G,
unsigned int B,
unsigned int A);
// Get the stroke RGBA of a path. Range of values: 0 - 255.
//
// path - the handle to the path object.
// R - the red component of the path stroke color.
// G - the green component of the path stroke color.
// B - the blue component of the path stroke color.
// A - the stroke alpha of the path.
//
// Returns TRUE on success.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPath_GetStrokeColor(FPDF_PAGEOBJECT path,
unsigned int* R,
unsigned int* G,
unsigned int* B,
unsigned int* A);
// Set the stroke width of a path.
//
// path - the handle to the path object.
// width - the width of the stroke.
//
// Returns TRUE on success
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPath_SetStrokeWidth(FPDF_PAGEOBJECT path, float width);
// Set the line join of |page_object|.
//
// page_object - handle to a page object.
// line_join - line join
//
// Line join can be one of following: FPDF_LINEJOIN_MITER, FPDF_LINEJOIN_ROUND,
// FPDF_LINEJOIN_BEVEL
FPDF_EXPORT void FPDF_CALLCONV FPDF_CALLCONV
FPDFPath_SetLineJoin(FPDF_PAGEOBJECT page_object, int line_join);
// Set the line cap of |page_object|.
//
// page_object - handle to a page object.
// line_cap - line cap
//
// Line cap can be one of following: FPDF_LINECAP_BUTT, FPDF_LINECAP_ROUND,
// FPDF_LINECAP_PROJECTING_SQUARE
FPDF_EXPORT void FPDF_CALLCONV FPDFPath_SetLineCap(FPDF_PAGEOBJECT page_object,
int line_cap);
// Set the fill RGBA of a path. Range of values: 0 - 255.
//
// path - the handle to the path object.
// R - the red component for the path fill color.
// G - the green component for the path fill color.
// B - the blue component for the path fill color.
// A - the fill alpha for the path.
//
// Returns TRUE on success.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPath_SetFillColor(FPDF_PAGEOBJECT path,
unsigned int R,
unsigned int G,
unsigned int B,
unsigned int A);
// Get the fill RGBA of a path. Range of values: 0 - 255.
//
// path - the handle to the path object.
// R - the red component of the path fill color.
// G - the green component of the path fill color.
// B - the blue component of the path fill color.
// A - the fill alpha of the path.
//
// Returns TRUE on success.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPath_GetFillColor(FPDF_PAGEOBJECT path,
unsigned int* R,
unsigned int* G,
unsigned int* B,
unsigned int* A);
// Experimental API.
// Get number of segments inside |path|.
//
// path - handle to a path.
//
// A segment is a command, created by e.g. FPDFPath_MoveTo(),
// FPDFPath_LineTo() or FPDFPath_BezierTo().
//
// Returns the number of objects in |path| or -1 on failure.
FPDF_EXPORT int FPDF_CALLCONV FPDFPath_CountSegments(FPDF_PAGEOBJECT path);
// Experimental API.
// Get segment in |path| at |index|.
//
// path - handle to a path.
// index - the index of a segment.
//
// Returns the handle to the segment, or NULL on faiure.
FPDF_EXPORT FPDF_PATHSEGMENT FPDF_CALLCONV
FPDFPath_GetPathSegment(FPDF_PAGEOBJECT path, int index);
// Experimental API.
// Get coordinates of |segment|.
//
// segment - handle to a segment.
// x - the horizontal position of the segment.
// y - the vertical position of the segment.
//
// Returns TRUE on success, otherwise |x| and |y| is not set.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPathSegment_GetPoint(FPDF_PATHSEGMENT segment, float* x, float* y);
// Experimental API.
// Get type of |segment|.
//
// segment - handle to a segment.
//
// Returns one of the FPDF_SEGMENT_* values on success,
// FPDF_SEGMENT_UNKNOWN on error.
FPDF_EXPORT int FPDF_CALLCONV FPDFPathSegment_GetType(FPDF_PATHSEGMENT segment);
// Experimental API.
// Gets if the |segment| closes the current subpath of a given path.
//
// segment - handle to a segment.
//
// Returns close flag for non-NULL segment, FALSE otherwise.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPathSegment_GetClose(FPDF_PATHSEGMENT segment);
// Move a path's current point.
//
// path - the handle to the path object.
// x - the horizontal position of the new current point.
// y - the vertical position of the new current point.
//
// Note that no line will be created between the previous current point and the
// new one.
//
// Returns TRUE on success
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPath_MoveTo(FPDF_PAGEOBJECT path,
float x,
float y);
// Add a line between the current point and a new point in the path.
//
// path - the handle to the path object.
// x - the horizontal position of the new point.
// y - the vertical position of the new point.
//
// The path's current point is changed to (x, y).
//
// Returns TRUE on success
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPath_LineTo(FPDF_PAGEOBJECT path,
float x,
float y);
// Add a cubic Bezier curve to the given path, starting at the current point.
//
// path - the handle to the path object.
// x1 - the horizontal position of the first Bezier control point.
// y1 - the vertical position of the first Bezier control point.
// x2 - the horizontal position of the second Bezier control point.
// y2 - the vertical position of the second Bezier control point.
// x3 - the horizontal position of the ending point of the Bezier curve.
// y3 - the vertical position of the ending point of the Bezier curve.
//
// Returns TRUE on success
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPath_BezierTo(FPDF_PAGEOBJECT path,
float x1,
float y1,
float x2,
float y2,
float x3,
float y3);
// Close the current subpath of a given path.
//
// path - the handle to the path object.
//
// This will add a line between the current point and the initial point of the
// subpath, thus terminating the current subpath.
//
// Returns TRUE on success
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPath_Close(FPDF_PAGEOBJECT path);
// Set the drawing mode of a path.
//
// path - the handle to the path object.
// fillmode - the filling mode to be set: 0 for no fill, 1 for alternate, 2 for
// winding.
// stroke - a boolean specifying if the path should be stroked or not.
//
// Returns TRUE on success
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPath_SetDrawMode(FPDF_PAGEOBJECT path,
int fillmode,
FPDF_BOOL stroke);
// Create a new text object using one of the standard PDF fonts.
//
// document - handle to the document.
// font - string containing the font name, without spaces.
// font_size - the font size for the new text object.
//
// Returns a handle to a new text object, or NULL on failure
FPDF_EXPORT FPDF_PAGEOBJECT FPDF_CALLCONV
FPDFPageObj_NewTextObj(FPDF_DOCUMENT document,
FPDF_BYTESTRING font,
float font_size);
// Set the text for a textobject. If it had text, it will be replaced.
//
// text_object - handle to the text object.
// text - the UTF-16LE encoded string containing the text to be added.
//
// Returns TRUE on success
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFText_SetText(FPDF_PAGEOBJECT text_object, FPDF_WIDESTRING text);
// Returns a font object loaded from a stream of data. The font is loaded
// into the document.
//
// document - handle to the document.
// data - the stream of data, which will be copied by the font object.
// size - size of the stream, in bytes.
// font_type - FPDF_FONT_TYPE1 or FPDF_FONT_TRUETYPE depending on the font
// type.
// cid - a boolean specifying if the font is a CID font or not.
//
// The loaded font can be closed using FPDF_Font_Close.
//
// Returns NULL on failure
FPDF_EXPORT FPDF_FONT FPDF_CALLCONV FPDFText_LoadFont(FPDF_DOCUMENT document,
const uint8_t* data,
uint32_t size,
int font_type,
FPDF_BOOL cid);
// Set the fill RGBA of a text object. Range of values: 0 - 255.
//
// text_object - handle to the text object.
// R - the red component for the path fill color.
// G - the green component for the path fill color.
// B - the blue component for the path fill color.
// A - the fill alpha for the path.
//
// Returns TRUE on success.
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFText_SetFillColor(FPDF_PAGEOBJECT text_object,
unsigned int R,
unsigned int G,
unsigned int B,
unsigned int A);
// Close a loaded PDF font.
//
// font - Handle to the loaded font.
FPDF_EXPORT void FPDF_CALLCONV FPDFFont_Close(FPDF_FONT font);
// Create a new text object using a loaded font.
//
// document - handle to the document.
// font - handle to the font object.
// font_size - the font size for the new text object.
//
// Returns a handle to a new text object, or NULL on failure
FPDF_EXPORT FPDF_PAGEOBJECT FPDF_CALLCONV
FPDFPageObj_CreateTextObj(FPDF_DOCUMENT document,
FPDF_FONT font,
float font_size);
#ifdef __cplusplus
} // extern "C"
#endif // __cplusplus
#endif // PUBLIC_FPDF_EDIT_H_