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161 lines
5.8 KiB
161 lines
5.8 KiB
// 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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