| 1 | /* |
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| 2 | * Copyright © 2009 Mozilla Corporation |
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| 3 | * |
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| 4 | * Permission to use, copy, modify, distribute, and sell this software and its |
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| 5 | * documentation for any purpose is hereby granted without fee, provided that |
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| 6 | * the above copyright notice appear in all copies and that both that |
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| 7 | * copyright notice and this permission notice appear in supporting |
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| 8 | * documentation, and that the name of Mozilla Corporation not be used in |
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| 9 | * advertising or publicity pertaining to distribution of the software without |
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| 10 | * specific, written prior permission. Mozilla Corporation makes no |
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| 11 | * representations about the suitability of this software for any purpose. It |
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| 12 | * is provided "as is" without express or implied warranty. |
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| 13 | * |
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| 14 | * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
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| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT |
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| 16 | * SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
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| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
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| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
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| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
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| 20 | * OF THIS SOFTWARE. |
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| 21 | * |
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| 22 | * Author: Jeff Muizelaar, Mozilla Corp. |
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| 23 | */ |
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| 24 | |
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| 25 | //======================================================================== |
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| 26 | // |
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| 27 | // Modified under the Poppler project - http://poppler.freedesktop.org |
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| 28 | // |
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| 29 | // All changes made under the Poppler project to this file are licensed |
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| 30 | // under GPL version 2 or later |
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| 31 | // |
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| 32 | // Copyright (C) 2012 Adrian Johnson <ajohnson@redneon.com> |
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| 33 | // Copyright (C) 2018 Albert Astals Cid <aacid@kde.org> |
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| 34 | // |
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| 35 | // To see a description of the changes please see the Changelog file that |
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| 36 | // came with your tarball or type make ChangeLog if you are building from git |
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| 37 | // |
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| 38 | //======================================================================== |
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| 39 | |
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| 40 | #ifndef CAIRO_RESCALE_BOX_H |
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| 41 | #define CAIRO_RESCALE_BOX_H |
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| 42 | |
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| 43 | #include <cairo.h> |
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| 44 | |
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| 45 | class CairoRescaleBox |
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| 46 | { |
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| 47 | public: |
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| 48 | CairoRescaleBox() {}; |
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| 49 | virtual ~CairoRescaleBox() {}; |
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| 50 | |
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| 51 | CairoRescaleBox(const CairoRescaleBox &) = delete; |
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| 52 | CairoRescaleBox &operator=(const CairoRescaleBox &) = delete; |
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| 53 | |
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| 54 | virtual bool downScaleImage(unsigned orig_width, unsigned orig_height, signed scaled_width, signed scaled_height, unsigned short int start_column, unsigned short int start_row, unsigned short int width, unsigned short int height, |
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| 55 | cairo_surface_t *dest_surface); |
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| 56 | |
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| 57 | virtual void getRow(int row_num, uint32_t *row_data) = 0; |
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| 58 | }; |
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| 59 | |
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| 60 | #endif /* CAIRO_RESCALE_BOX_H */ |
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| 61 | |
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