Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/source/fitz/glyph-imp.h @ 29:f76e6575dca9 v1.26.4+1

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+++++ v1.26.4+1
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 19:59:23 +0200
parents b50eed0cc0ef
children
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1 // Copyright (C) 2004-2025 Artifex Software, Inc.
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2 //
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3 // This file is part of MuPDF.
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4 //
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5 // MuPDF is free software: you can redistribute it and/or modify it under the
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6 // terms of the GNU Affero General Public License as published by the Free
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7 // Software Foundation, either version 3 of the License, or (at your option)
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8 // any later version.
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9 //
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10 // MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
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11 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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12 // FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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13 // details.
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14 //
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15 // You should have received a copy of the GNU Affero General Public License
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16 // along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
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17 //
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18 // Alternative licensing terms are available from the licensor.
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19 // For commercial licensing, see <https://www.artifex.com/> or contact
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20 // Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
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21 // CA 94129, USA, for further information.
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23 #ifndef FITZ_GLYPH_IMP_H
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24 #define FITZ_GLYPH_IMP_H
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27 /*
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28 Glyphs represent a run length encoded set of pixels for a 2
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29 dimensional region of a plane.
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31 x, y: The minimum x and y coord of the region in pixels.
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32
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33 w, h: The width and height of the region in pixels.
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34
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35 samples: The sample data. The sample data is in a compressed
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36 format designed to give reasonable compression, and to be fast
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37 to plot from.
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38
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39 The first sizeof(int) * h bytes of the table, when interpreted
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40 as ints gives the offset within the data block of that lines
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41 data. An offset of 0 indicates that that line is completely
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42 blank.
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43
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44 The data for individual lines is a sequence of bytes:
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45 00000000 = end of lines data
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46 LLLLLL00 = extend the length given in the next run by the 6 L
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47 bits given here.
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48 LLLLLL01 = A run of length L+1 transparent pixels.
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49 LLLLLE10 = A run of length L+1 solid pixels. If E then this is
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50 the last run on this line.
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51 LLLLLE11 = A run of length L+1 intermediate pixels followed by
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52 L+1 bytes of literal pixel data. If E then this is the
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53 last run on this line.
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54 */
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55 struct fz_glyph
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56 {
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57 fz_storable storable;
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58 int x, y, w, h;
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59 fz_pixmap *pixmap;
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60 size_t size;
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61 unsigned char data[FZ_FLEXIBLE_ARRAY];
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62 };
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64 /*
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65 Create a new glyph from a pixmap
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66
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67 Returns a pointer to the new glyph. Throws exception on failure
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68 to allocate.
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69 */
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70 fz_glyph *fz_new_glyph_from_pixmap(fz_context *ctx, fz_pixmap *pix);
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72 /*
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73 Create a new glyph from 8bpp data
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74
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75 x, y: X and Y position for the glyph
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76
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77 w, h: Width and Height for the glyph
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79 sp: Source Pointer to data
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81 span: Increment from line to line of data
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82
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83 Returns a pointer to the new glyph. Throws exception on failure
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84 to allocate.
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85 */
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86 fz_glyph *fz_new_glyph_from_8bpp_data(fz_context *ctx, int x, int y, int w, int h, unsigned char *sp, int span);
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87
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88 /*
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89 Create a new glyph from 1bpp data
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90
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91 x, y: X and Y position for the glyph
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92
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93 w, h: Width and Height for the glyph
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94
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95 sp: Source Pointer to data
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96
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97 span: Increment from line to line of data
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99 Returns a pointer to the new glyph. Throws exception on failure
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100 to allocate.
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101 */
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102 fz_glyph *fz_new_glyph_from_1bpp_data(fz_context *ctx, int x, int y, int w, int h, unsigned char *sp, int span);
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103
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104 fz_path *fz_outline_ft_glyph(fz_context *ctx, fz_font *font, int gid, fz_matrix trm);
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105 fz_glyph *fz_render_ft_glyph(fz_context *ctx, fz_font *font, int cid, fz_matrix trm, int aa);
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106 fz_pixmap *fz_render_ft_glyph_pixmap(fz_context *ctx, fz_font *font, int cid, fz_matrix trm, int aa);
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107 fz_glyph *fz_render_t3_glyph(fz_context *ctx, fz_font *font, int cid, fz_matrix trm, fz_colorspace *model, const fz_irect *scissor, int aa);
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108 fz_pixmap *fz_render_t3_glyph_pixmap(fz_context *ctx, fz_font *font, int cid, fz_matrix trm, fz_colorspace *model, const fz_irect *scissor, int aa);
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109 fz_glyph *fz_render_ft_stroked_glyph(fz_context *ctx, fz_font *font, int gid, fz_matrix trm, fz_matrix ctm, const fz_stroke_state *state, int aa);
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110 fz_glyph *fz_render_glyph(fz_context *ctx, fz_font*, int gid, fz_matrix *, fz_colorspace *model, const fz_irect *scissor, int alpha, int aa);
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111 fz_glyph *fz_render_stroked_glyph(fz_context *ctx, fz_font*, int, fz_matrix *, fz_matrix, fz_colorspace *model, const fz_stroke_state *stroke, const fz_irect *scissor, int aa);
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112
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113 #endif