diff options
Diffstat (limited to 'public/fpdf_transformpage.h')
| -rw-r--r-- | public/fpdf_transformpage.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/public/fpdf_transformpage.h b/public/fpdf_transformpage.h new file mode 100644 index 0000000000..69ffe24009 --- /dev/null +++ b/public/fpdf_transformpage.h @@ -0,0 +1,113 @@ +// 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 _TRANSFORMPAGE_H_ +#define _TRANSFORMPAGE_H_ + +#ifndef _FPDFVIEW_H_ +#include "fpdfview.h" +#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. +*/ +DLLEXPORT void STDCALL 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. +*/ +DLLEXPORT void STDCALL 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. +*/ +DLLEXPORT FPDF_BOOL STDCALL 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. +*/ +DLLEXPORT FPDF_BOOL STDCALL FPDFPage_GetCropBox(FPDF_PAGE page, float* left, float* bottom, float* right, float* top); + +/** +* Transform the whole page with a specified matrix, then clip the page content region. +* +* @param[in] page - A page handle. +* @param[in] matrix - The transform matrix. +* @param[in] clipRect - A rectangle page area to be clipped. +* @Note. This function will transform the whole page, and would take effect to all the objects in the page. +*/ +DLLEXPORT FPDF_BOOL STDCALL 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. +*/ +DLLEXPORT void STDCALL 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. +*/ +DLLEXPORT FPDF_CLIPPATH STDCALL 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. +*/ +DLLEXPORT void STDCALL 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. +*/ +DLLEXPORT void STDCALL FPDFPage_InsertClipPath(FPDF_PAGE page,FPDF_CLIPPATH clipPath); + +#endif + |