fpdfsdk/include/fpdf_transformpage.h - Issue 1135913002: Create top-level public/ header directory.

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Issue 1135913002: Create top-level public/ header directory. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: Comment fpdfview.h non-rename. Created 5 years, 7 months ago

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1 // Copyright 2014 PDFium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

6

7 #ifndef _TRANSFORMPAGE_H_

8 #define _TRANSFORMPAGE_H_

9

10 #ifndef _FPDFVIEW_H_

11 #include "fpdfview.h"

12 #endif

13

14 typedef void* FPDF_PAGEARCSAVER;

15 typedef void* FPDF_PAGEARCLOADER;

16 /**

17 * Set "MediaBox" entry to the page dictionary.

18 * @param[in] page - Handle to a page.

19 * @param[in] left - The left of the rectangle.

20 * @param[in] bottom - The bottom of the rectangle.

21 * @param[in] right - The right of the rectangle.

22 * @param[in] top - The top of the rectangle.

23 * @retval None.

24 */

25 DLLEXPORT void STDCALL FPDFPage_SetMediaBox(FPDF_PAGE page, float left, float bo ttom, float right, float top);

26

27 /**

28 * Set "CropBox" entry to the page dictionary.

29 * @param[in] page - Handle to a page.

30 * @param[in] left - The left of the rectangle.

31 * @param[in] bottom - The bottom of the rectangle.

32 * @param[in] right - The right of the rectangle.

33 * @param[in] top - The top of the rectangle.

34 * @retval None.

35 */

36 DLLEXPORT void STDCALL FPDFPage_SetCropBox(FPDF_PAGE page, float left, float bot tom, float right, float top);

37

38

39 /** Get "MediaBox" entry from the page dictionary.

40 * @param[in] page - Handle to a page.

41 * @param[in] left - Pointer to a double value receiving the left of the re ctangle.

42 * @param[in] bottom - Pointer to a double value receiving the bottom of the rectangle.

43 * @param[in] right - Pointer to a double value receiving the right of the r ectangle.

44 * @param[in] top - Pointer to a double value receiving the top of the rec tangle.

45 * @retval True if success,else fail.

46 */

47 DLLEXPORT FPDF_BOOL STDCALL FPDFPage_GetMediaBox(FPDF_PAGE page, float* left, fl oat* bottom, float* right, float* top);

48

49 /** Get "CropBox" entry from the page dictionary.

50 * @param[in] page - Handle to a page.

51 * @param[in] left - Pointer to a double value receiving the left of the re ctangle.

52 * @param[in] bottom - Pointer to a double value receiving the bottom of the rectangle.

53 * @param[in] right - Pointer to a double value receiving the right of the r ectangle.

54 * @param[in] top - Pointer to a double value receiving the top of the rec tangle.

55 * @retval True if success,else fail.

56 */

57 DLLEXPORT FPDF_BOOL STDCALL FPDFPage_GetCropBox(FPDF_PAGE page, float* left, flo at* bottom, float* right, float* top);

58

59 /**

60 * Transform the whole page with a specified matrix, then clip the page content r egion.

61 *

62 * @param[in] page - A page handle.

63 * @param[in] matrix - The transform matrix.

64 * @param[in] clipRect - A rectangle page area to be clipped.

65 * @Note. This function will transform the whole page, and would take effect to a ll the objects in the page.

66 */

67 DLLEXPORT FPDF_BOOL STDCALL FPDFPage_TransFormWithClip(FPDF_PAGE page, FS_MATRIX * matrix, FS_RECTF* clipRect);

68

69 /**

70 * Transform (scale, rotate, shear, move) the clip path of page object.

71 * @param[in] page_object - Handle to a page object. Returned by FPDFPageObj_NewI mageObj.

72 * @param[in] a - The coefficient "a" of the matrix.

73 * @param[in] b - The coefficient "b" of the matrix.

74 * @param[in] c - The coefficient "c" of the matrix.

75 * @param[in] d - The coefficient "d" of the matrix.

76 * @param[in] e - The coefficient "e" of the matrix.

77 * @param[in] f - The coefficient "f" of the matrix.

78 * @retval None.

79 */

80 DLLEXPORT void STDCALL FPDFPageObj_TransformClipPath(FPDF_PAGEOBJECT page_object ,double a, double b, double c, double d, double e, double f);

81

82 /**

83 * Create a new clip path, with a rectangle inserted.

84 *

85 * @param[in] left - The left of the clip box.

86 * @param[in] bottom - The bottom of the clip box.

87 * @param[in] right - The right of the clip box.

88 * @param[in] top - The top of the clip box.

89 * @retval a handle to the clip path.

90 */

91 DLLEXPORT FPDF_CLIPPATH STDCALL FPDF_CreateClipPath(float left, float bottom, fl oat right, float top);

92

93 /**

94 * Destroy the clip path.

95 *

96 * @param[in] clipPath - A handle to the clip path.

97 * Destroy the clip path.

98 * @retval None.

99 */

100 DLLEXPORT void STDCALL FPDF_DestroyClipPath(FPDF_CLIPPATH clipPath);

101

102 /**

103 * Clip the page content, the page content that outside the clipping region becom e invisible.

104 *

105 * @param[in] page - A page handle.

106 * @param[in] clipPath - A handle to the clip path.

107 * @Note. A clip path will be inserted before the page content stream or content array. In this way, the page content will be clipped

108 * by this clip path.

109 */

110 DLLEXPORT void STDCALL FPDFPage_InsertClipPath(FPDF_PAGE page,FPDF_CLIPPATH clip Path);

111

112 #endif

113

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