mirror of
https://github.com/zint/zint
synced 2024-11-16 20:57:25 +13:00
15fdca2a03
& use xxxW() APIs accordingly, ticket #288, props Marcel **Backwards-incompatible change**
85 lines
4.1 KiB
C
85 lines
4.1 KiB
C
/* output.h - Common routines for raster/vector */
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/*
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libzint - the open source barcode library
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Copyright (C) 2020-2023 Robin Stuart <rstuart114@gmail.com>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the project nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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*/
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/* SPDX-License-Identifier: BSD-3-Clause */
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#ifndef Z_OUTPUT_H
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#define Z_OUTPUT_H
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include <stdio.h> /* For FILE */
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/* Check colour options are good (`symbol->fgcolour`, `symbol->bgcolour`) */
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INTERNAL int out_check_colour_options(struct zint_symbol *symbol);
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/* Return RGB(A) from (well-formed) colour string. Returns 0 if RGB or converted CMYK, 1 if RGBA */
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INTERNAL int out_colour_get_rgb(const char *colour, unsigned char *red, unsigned char *green, unsigned char *blue,
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unsigned char *alpha);
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/* Return CMYK from (well-formed) colour string. Returns 0 if CMYK, 1 if converted RBG, 2 if converted RGBA */
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INTERNAL int out_colour_get_cmyk(const char *colour, int *cyan, int *magenta, int *yellow, int *black,
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unsigned char *rgb_alpha);
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/* Set left (x), top (y), right and bottom offsets for whitespace */
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INTERNAL void out_set_whitespace_offsets(const struct zint_symbol *symbol, const int hide_text,
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float *xoffset, float *yoffset, float *roffset, float *boffset, const float scaler,
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int *xoffset_si, int *yoffset_si, int *roffset_si, int *boffset_si);
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/* Set composite offset and main width excluding addon (for start of addon calc) and addon text, returning
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UPC/EAN type */
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INTERNAL int out_process_upcean(const struct zint_symbol *symbol, int *p_main_width, int *p_comp_xoffset,
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unsigned char addon[6], int *p_addon_gap);
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/* Calculate large bar height i.e. linear bars with zero row height that respond to the symbol height.
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If scaler `si` non-zero (raster), then large_bar_height if non-zero or else row heights will be rounded
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to nearest pixel and symbol height adjusted */
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INTERNAL float out_large_bar_height(struct zint_symbol *symbol, const int si, int *row_heights_si,
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int *symbol_height_si);
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/* Split UPC/EAN add-on text into various constituents */
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INTERNAL void out_upcean_split_text(const int upceanflag, const unsigned char text[], unsigned char textparts[4][7]);
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/* Create output file, creating sub-directories if necessary. Returns `fopen()` FILE pointer */
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INTERNAL FILE *out_fopen(const char filename[256], const char *mode);
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#ifdef _WIN32
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/* Do `fopen()` on Windows, assuming `filename` is UTF-8 encoded. Props Marcel, ticket #288 */
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INTERNAL FILE *out_win_fopen(const char *filename, const char *mode);
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#endif
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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/* vim: set ts=4 sw=4 et : */
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#endif /* Z_OUTPUT_H */
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