| /* |
| * Copyright © 2009 Mozilla Corporation |
| * |
| * Permission to use, copy, modify, distribute, and sell this software and its |
| * documentation for any purpose is hereby granted without fee, provided that |
| * the above copyright notice appear in all copies and that both that |
| * copyright notice and this permission notice appear in supporting |
| * documentation, and that the name of Mozilla Corporation not be used in |
| * advertising or publicity pertaining to distribution of the software without |
| * specific, written prior permission. Mozilla Corporation makes no |
| * representations about the suitability of this software for any purpose. It |
| * is provided "as is" without express or implied warranty. |
| * |
| * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT |
| * SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
| * OF THIS SOFTWARE. |
| * |
| * Author: Jeff Muizelaar, Mozilla Corp. |
| */ |
| |
| //======================================================================== |
| // |
| // Modified under the Poppler project - http://poppler.freedesktop.org |
| // |
| // All changes made under the Poppler project to this file are licensed |
| // under GPL version 2 or later |
| // |
| // Copyright (C) 2012 Adrian Johnson <ajohnson@redneon.com> |
| // Copyright (C) 2018 Albert Astals Cid <aacid@kde.org> |
| // |
| // To see a description of the changes please see the Changelog file that |
| // came with your tarball or type make ChangeLog if you are building from git |
| // |
| //======================================================================== |
| |
| #ifndef CAIRO_RESCALE_BOX_H |
| #define CAIRO_RESCALE_BOX_H |
| |
| #include <cairo.h> |
| |
| class CairoRescaleBox { |
| public: |
| |
| CairoRescaleBox() {}; |
| virtual ~CairoRescaleBox() {}; |
| |
| CairoRescaleBox(const CairoRescaleBox &) = delete; |
| CairoRescaleBox& operator=(const CairoRescaleBox &) = delete; |
| |
| 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, |
| cairo_surface_t *dest_surface); |
| |
| virtual void getRow(int row_num, uint32_t *row_data) = 0; |
| |
| }; |
| |
| #endif /* CAIRO_RESCALE_BOX_H */ |
