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comparison mupdf-source/source/fitz/pixmap-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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1:1d09e1dec1d9 2:b50eed0cc0ef
1 // Copyright (C) 2004-2024 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_PIXMAP_IMP_H
24 #define FITZ_PIXMAP_IMP_H
25
26 void fz_drop_pixmap_imp(fz_context *ctx, fz_storable *pix);
27
28 void fz_premultiply_pixmap(fz_context *ctx, fz_pixmap *pix);
29
30 typedef struct fz_scale_cache fz_scale_cache;
31
32 fz_scale_cache *fz_new_scale_cache(fz_context *ctx);
33 void fz_drop_scale_cache(fz_context *ctx, fz_scale_cache *cache);
34 fz_pixmap *fz_scale_pixmap_cached(fz_context *ctx, const fz_pixmap *src, float x, float y, float w, float h, const fz_irect *clip, fz_scale_cache *cache_x, fz_scale_cache *cache_y);
35
36 void fz_subsample_pixblock(unsigned char *s, int w, int h, int n, int factor, ptrdiff_t stride);
37
38 fz_irect fz_pixmap_bbox_no_ctx(const fz_pixmap *src);
39
40 void fz_decode_indexed_tile(fz_context *ctx, fz_pixmap *pix, const float *decode, int maxval);
41 void fz_unpack_tile(fz_context *ctx, fz_pixmap *dst, unsigned char *src, int n, int depth, size_t stride, int scale);
42
43 fz_pixmap *fz_new_pixmap_from_8bpp_data(fz_context *ctx, int x, int y, int w, int h, unsigned char *sp, int span);
44 fz_pixmap *fz_new_pixmap_from_1bpp_data(fz_context *ctx, int x, int y, int w, int h, unsigned char *sp, int span);
45 fz_pixmap *fz_new_pixmap_from_float_data(fz_context *ctx, fz_colorspace *cs, int w, int h, float *sp);
46
47 #ifdef HAVE_VALGRIND
48 int fz_valgrind_pixmap(const fz_pixmap *pix);
49 #else
50 #define fz_valgrind_pixmap(pix) do {} while (0)
51 #endif
52
53 /*
54 Convert a region of the src pixmap into the dst pixmap
55 via an optional proofing colorspace, prf.
56
57 We assume that we never map from a DeviceN space to another
58 DeviceN space here.
59 */
60 fz_pixmap *fz_copy_pixmap_area_converting_seps(fz_context *ctx, fz_pixmap *src, fz_pixmap *dst, fz_colorspace *prf, fz_color_params color_params, fz_default_colorspaces *default_cs);
61
62 #endif