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Merge - 9.0.0 release
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Luis Ángel San Martín
161
dependencies/pdfium/win/public/fpdf_transformpage.h
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dependencies/pdfium/win/public/fpdf_transformpage.h
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// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef PUBLIC_FPDF_TRANSFORMPAGE_H_
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#define PUBLIC_FPDF_TRANSFORMPAGE_H_
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// NOLINTNEXTLINE(build/include)
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#include "fpdfview.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef void* FPDF_PAGEARCSAVER;
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typedef void* FPDF_PAGEARCLOADER;
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/**
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* Set "MediaBox" entry to the page dictionary.
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* @param[in] page - Handle to a page.
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* @param[in] left - The left of the rectangle.
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* @param[in] bottom - The bottom of the rectangle.
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* @param[in] right - The right of the rectangle.
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* @param[in] top - The top of the rectangle.
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* @retval None.
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*/
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DLLEXPORT void STDCALL FPDFPage_SetMediaBox(FPDF_PAGE page,
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float left,
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float bottom,
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float right,
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float top);
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/**
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* Set "CropBox" entry to the page dictionary.
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* @param[in] page - Handle to a page.
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* @param[in] left - The left of the rectangle.
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* @param[in] bottom - The bottom of the rectangle.
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* @param[in] right - The right of the rectangle.
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* @param[in] top - The top of the rectangle.
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* @retval None.
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*/
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DLLEXPORT void STDCALL FPDFPage_SetCropBox(FPDF_PAGE page,
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float left,
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float bottom,
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float right,
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float top);
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/** Get "MediaBox" entry from the page dictionary.
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* @param[in] page - Handle to a page.
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* @param[in] left - Pointer to a double value receiving the left of the
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* rectangle.
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* @param[in] bottom - Pointer to a double value receiving the bottom of the
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* rectangle.
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* @param[in] right - Pointer to a double value receiving the right of the
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* rectangle.
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* @param[in] top - Pointer to a double value receiving the top of the
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* rectangle.
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* @retval True if success,else fail.
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*/
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DLLEXPORT FPDF_BOOL STDCALL FPDFPage_GetMediaBox(FPDF_PAGE page,
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float* left,
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float* bottom,
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float* right,
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float* top);
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/** Get "CropBox" entry from the page dictionary.
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* @param[in] page - Handle to a page.
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* @param[in] left - Pointer to a double value receiving the left of the
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* rectangle.
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* @param[in] bottom - Pointer to a double value receiving the bottom of the
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* rectangle.
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* @param[in] right - Pointer to a double value receiving the right of the
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* rectangle.
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* @param[in] top - Pointer to a double value receiving the top of the
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* rectangle.
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* @retval True if success,else fail.
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*/
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DLLEXPORT FPDF_BOOL STDCALL FPDFPage_GetCropBox(FPDF_PAGE page,
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float* left,
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float* bottom,
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float* right,
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float* top);
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/**
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* Transform the whole page with a specified matrix, then clip the page content
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* region.
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*
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* @param[in] page - A page handle.
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* @param[in] matrix - The transform matrix.
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* @param[in] clipRect - A rectangle page area to be clipped.
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* @Note. This function will transform the whole page, and would take effect to
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* all the objects in the page.
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*/
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DLLEXPORT FPDF_BOOL STDCALL FPDFPage_TransFormWithClip(FPDF_PAGE page,
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FS_MATRIX* matrix,
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FS_RECTF* clipRect);
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/**
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* Transform (scale, rotate, shear, move) the clip path of page object.
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* @param[in] page_object - Handle to a page object. Returned by
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* FPDFPageObj_NewImageObj.
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* @param[in] a - The coefficient "a" of the matrix.
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* @param[in] b - The coefficient "b" of the matrix.
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* @param[in] c - The coefficient "c" of the matrix.
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* @param[in] d - The coefficient "d" of the matrix.
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* @param[in] e - The coefficient "e" of the matrix.
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* @param[in] f - The coefficient "f" of the matrix.
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* @retval None.
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*/
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DLLEXPORT void STDCALL
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FPDFPageObj_TransformClipPath(FPDF_PAGEOBJECT page_object,
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double a,
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double b,
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double c,
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double d,
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double e,
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double f);
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/**
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* Create a new clip path, with a rectangle inserted.
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*
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* @param[in] left - The left of the clip box.
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* @param[in] bottom - The bottom of the clip box.
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* @param[in] right - The right of the clip box.
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* @param[in] top - The top of the clip box.
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* @retval a handle to the clip path.
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*/
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DLLEXPORT FPDF_CLIPPATH STDCALL FPDF_CreateClipPath(float left,
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float bottom,
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float right,
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float top);
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/**
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* Destroy the clip path.
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*
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* @param[in] clipPath - A handle to the clip path.
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* Destroy the clip path.
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* @retval None.
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*/
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DLLEXPORT void STDCALL FPDF_DestroyClipPath(FPDF_CLIPPATH clipPath);
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/**
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* Clip the page content, the page content that outside the clipping region
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* become invisible.
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*
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* @param[in] page - A page handle.
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* @param[in] clipPath - A handle to the clip path.
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* @Note. A clip path will be inserted before the page content stream or content
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* array. In this way, the page content will be clipped
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* by this clip path.
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*/
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DLLEXPORT void STDCALL FPDFPage_InsertClipPath(FPDF_PAGE page,
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FPDF_CLIPPATH clipPath);
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#ifdef __cplusplus
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}
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#endif
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#endif // PUBLIC_FPDF_TRANSFORMPAGE_H_
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