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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_TRANSFORMPAGE_H_
#define PUBLIC_FPDF_TRANSFORMPAGE_H_
// NOLINTNEXTLINE(build/include)
#include "fpdfview.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef void* FPDF_PAGEARCSAVER;
typedef void* FPDF_PAGEARCLOADER;
/**
* Set "MediaBox" entry to the page dictionary.
* @param[in] page - Handle to a page.
* @param[in] left - The left of the rectangle.
* @param[in] bottom - The bottom of the rectangle.
* @param[in] right - The right of the rectangle.
* @param[in] top - The top of the rectangle.
* @retval None.
*/
FPDF_EXPORT void FPDF_CALLCONV FPDFPage_SetMediaBox(FPDF_PAGE page,
float left,
float bottom,
float right,
float top);
/**
* Set "CropBox" entry to the page dictionary.
* @param[in] page - Handle to a page.
* @param[in] left - The left of the rectangle.
* @param[in] bottom - The bottom of the rectangle.
* @param[in] right - The right of the rectangle.
* @param[in] top - The top of the rectangle.
* @retval None.
*/
FPDF_EXPORT void FPDF_CALLCONV FPDFPage_SetCropBox(FPDF_PAGE page,
float left,
float bottom,
float right,
float top);
/** Get "MediaBox" entry from the page dictionary.
* @param[in] page - Handle to a page.
* @param[in] left - Pointer to a double value receiving the left of the
* rectangle.
* @param[in] bottom - Pointer to a double value receiving the bottom of the
* rectangle.
* @param[in] right - Pointer to a double value receiving the right of the
* rectangle.
* @param[in] top - Pointer to a double value receiving the top of the
* rectangle.
* @retval True if success,else fail.
*/
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPage_GetMediaBox(FPDF_PAGE page,
float* left,
float* bottom,
float* right,
float* top);
/** Get "CropBox" entry from the page dictionary.
* @param[in] page - Handle to a page.
* @param[in] left - Pointer to a double value receiving the left of the
* rectangle.
* @param[in] bottom - Pointer to a double value receiving the bottom of the
* rectangle.
* @param[in] right - Pointer to a double value receiving the right of the
* rectangle.
* @param[in] top - Pointer to a double value receiving the top of the
* rectangle.
* @retval True if success,else fail.
*/
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPage_GetCropBox(FPDF_PAGE page,
float* left,
float* bottom,
float* right,
float* top);
/**
* Apply transforms to |page|.
*
* If |matrix| is provided it will be applied to transform the page.
* If |clipRect| is provided it will be used to clip the resulting page.
* If neither |matrix| or |clipRect| are provided this method returns |false|.
* Returns |true| if transforms are applied.
*
* @param[in] page - Page handle.
* @param[in] matrix - Transform matrix.
* @param[in] clipRect - Clipping rectangle.
* @Note. This function will transform the whole page, and would take effect to
* all the objects in the page.
*/
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPage_TransFormWithClip(FPDF_PAGE page,
FS_MATRIX* matrix,
FS_RECTF* clipRect);
/**
* Transform (scale, rotate, shear, move) the clip path of page object.
* @param[in] page_object - Handle to a page object. Returned by
* FPDFPageObj_NewImageObj.
* @param[in] a - The coefficient "a" of the matrix.
* @param[in] b - The coefficient "b" of the matrix.
* @param[in] c - The coefficient "c" of the matrix.
* @param[in] d - The coefficient "d" of the matrix.
* @param[in] e - The coefficient "e" of the matrix.
* @param[in] f - The coefficient "f" of the matrix.
* @retval None.
*/
FPDF_EXPORT void FPDF_CALLCONV
FPDFPageObj_TransformClipPath(FPDF_PAGEOBJECT page_object,
double a,
double b,
double c,
double d,
double e,
double f);
/**
* Create a new clip path, with a rectangle inserted.
*
* @param[in] left - The left of the clip box.
* @param[in] bottom - The bottom of the clip box.
* @param[in] right - The right of the clip box.
* @param[in] top - The top of the clip box.
* @retval a handle to the clip path.
*/
FPDF_EXPORT FPDF_CLIPPATH FPDF_CALLCONV FPDF_CreateClipPath(float left,
float bottom,
float right,
float top);
/**
* Destroy the clip path.
*
* @param[in] clipPath - A handle to the clip path.
* Destroy the clip path.
* @retval None.
*/
FPDF_EXPORT void FPDF_CALLCONV FPDF_DestroyClipPath(FPDF_CLIPPATH clipPath);
/**
* Clip the page content, the page content that outside the clipping region
* become invisible.
*
* @param[in] page - A page handle.
* @param[in] clipPath - A handle to the clip path.
* @Note. A clip path will be inserted before the page content stream or content
* array. In this way, the page content will be clipped
* by this clip path.
*/
FPDF_EXPORT void FPDF_CALLCONV FPDFPage_InsertClipPath(FPDF_PAGE page,
FPDF_CLIPPATH clipPath);
#ifdef __cplusplus
}
#endif
#endif // PUBLIC_FPDF_TRANSFORMPAGE_H_
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