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comparison mupdf-source/source/fitz/glyph-imp.h @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1 // Copyright (C) 2004-2025 Artifex Software, Inc.
2 //
3 // This file is part of MuPDF.
4 //
5 // MuPDF is free software: you can redistribute it and/or modify it under the
6 // terms of the GNU Affero General Public License as published by the Free
7 // Software Foundation, either version 3 of the License, or (at your option)
8 // any later version.
9 //
10 // MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
11 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 // FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
13 // details.
14 //
15 // You should have received a copy of the GNU Affero General Public License
16 // along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
17 //
18 // Alternative licensing terms are available from the licensor.
19 // For commercial licensing, see <https://www.artifex.com/> or contact
20 // Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
21 // CA 94129, USA, for further information.
22
23 #ifndef FITZ_GLYPH_IMP_H
24 #define FITZ_GLYPH_IMP_H
25
26
27 /*
28 Glyphs represent a run length encoded set of pixels for a 2
29 dimensional region of a plane.
30
31 x, y: The minimum x and y coord of the region in pixels.
32
33 w, h: The width and height of the region in pixels.
34
35 samples: The sample data. The sample data is in a compressed
36 format designed to give reasonable compression, and to be fast
37 to plot from.
38
39 The first sizeof(int) * h bytes of the table, when interpreted
40 as ints gives the offset within the data block of that lines
41 data. An offset of 0 indicates that that line is completely
42 blank.
43
44 The data for individual lines is a sequence of bytes:
45 00000000 = end of lines data
46 LLLLLL00 = extend the length given in the next run by the 6 L
47 bits given here.
48 LLLLLL01 = A run of length L+1 transparent pixels.
49 LLLLLE10 = A run of length L+1 solid pixels. If E then this is
50 the last run on this line.
51 LLLLLE11 = A run of length L+1 intermediate pixels followed by
52 L+1 bytes of literal pixel data. If E then this is the
53 last run on this line.
54 */
55 struct fz_glyph
56 {
57 fz_storable storable;
58 int x, y, w, h;
59 fz_pixmap *pixmap;
60 size_t size;
61 unsigned char data[FZ_FLEXIBLE_ARRAY];
62 };
63
64 /*
65 Create a new glyph from a pixmap
66
67 Returns a pointer to the new glyph. Throws exception on failure
68 to allocate.
69 */
70 fz_glyph *fz_new_glyph_from_pixmap(fz_context *ctx, fz_pixmap *pix);
71
72 /*
73 Create a new glyph from 8bpp data
74
75 x, y: X and Y position for the glyph
76
77 w, h: Width and Height for the glyph
78
79 sp: Source Pointer to data
80
81 span: Increment from line to line of data
82
83 Returns a pointer to the new glyph. Throws exception on failure
84 to allocate.
85 */
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);
87
88 /*
89 Create a new glyph from 1bpp data
90
91 x, y: X and Y position for the glyph
92
93 w, h: Width and Height for the glyph
94
95 sp: Source Pointer to data
96
97 span: Increment from line to line of data
98
99 Returns a pointer to the new glyph. Throws exception on failure
100 to allocate.
101 */
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);
103
104 fz_path *fz_outline_ft_glyph(fz_context *ctx, fz_font *font, int gid, fz_matrix trm);
105 fz_glyph *fz_render_ft_glyph(fz_context *ctx, fz_font *font, int cid, fz_matrix trm, int aa);
106 fz_pixmap *fz_render_ft_glyph_pixmap(fz_context *ctx, fz_font *font, int cid, fz_matrix trm, int aa);
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);
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);
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);
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);
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);
112
113 #endif