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Make MaxiCode scalable in raster files
This commit is contained in:
Robin Stuart
parent
54c0a858ea
commit
796af2580f
@ -1,149 +0,0 @@
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/* maxihex.h - Shapes for Maxicode output to PNG file */
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/*
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libzint - the open source barcode library
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Copyright (C) 2008-2016 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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/* This file contains the pixel-by-pixel representation of maxicode glyphs
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at a resolution of 12 pixels per millimeter. hexagon[] is taken directly
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from ISO 16023 Annex J. bullseye[] was calculated by the Gimp */
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#define SSET "0123456789ABCDEF"
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static const int hexagon[120] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 1, 1, 1, 0, 0, 0,
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0, 0, 0, 1, 1, 1, 1, 1, 0, 0,
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0, 0, 1, 1, 1, 1, 1, 1, 1, 0,
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0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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0, 0, 1, 1, 1, 1, 1, 1, 1, 0,
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0, 0, 0, 1, 1, 1, 1, 1, 0, 0,
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0, 0, 0, 0, 1, 1, 1, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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};
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static const unsigned int bullseye_compressed[] = {
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0, 0, 0, 0, 0, 255, 248, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 31, 255, 255, 192, 0, 0, 0, 0,
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0, 0, 0, 1, 255, 255, 255, 252, 0, 0, 0, 0,
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0, 0, 0, 7, 255, 255, 255, 255, 0, 0, 0, 0,
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0, 0, 0, 31, 255, 255, 255, 255, 192, 0, 0, 0,
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0, 0, 0, 127, 255, 255, 255, 255, 240, 0, 0, 0,
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0, 0, 1, 255, 255, 255, 255, 255, 252, 0, 0, 0,
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0, 0, 7, 255, 255, 255, 255, 255, 255, 0, 0, 0,
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0, 0, 15, 255, 255, 0, 7, 255, 255, 128, 0, 0,
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0, 0, 63, 255, 240, 0, 0, 127, 255, 224, 0, 0,
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0, 0, 127, 255, 128, 0, 0, 15, 255, 240, 0, 0,
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0, 0, 255, 252, 0, 0, 0, 1, 255, 248, 0, 0,
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0, 1, 255, 240, 0, 0, 0, 0, 127, 252, 0, 0,
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0, 3, 255, 224, 0, 0, 0, 0, 63, 254, 0, 0,
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0, 7, 255, 128, 0, 0, 0, 0, 15, 255, 0, 0,
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0, 15, 255, 0, 0, 0, 0, 0, 7, 255, 128, 0,
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0, 31, 252, 0, 0, 127, 240, 0, 1, 255, 192, 0,
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0, 63, 248, 0, 7, 255, 255, 0, 0, 255, 224, 0,
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0, 127, 240, 0, 63, 255, 255, 224, 0, 127, 240, 0,
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0, 127, 224, 0, 255, 255, 255, 248, 0, 63, 240, 0,
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0, 255, 192, 1, 255, 255, 255, 252, 0, 31, 248, 0,
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1, 255, 128, 7, 255, 255, 255, 255, 0, 15, 252, 0,
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1, 255, 0, 15, 255, 255, 255, 255, 128, 7, 252, 0,
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3, 255, 0, 63, 255, 255, 255, 255, 224, 7, 254, 0,
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3, 254, 0, 127, 255, 192, 31, 255, 240, 3, 254, 0,
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7, 252, 0, 255, 252, 0, 1, 255, 248, 1, 255, 0,
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7, 252, 1, 255, 240, 0, 0, 127, 252, 1, 255, 0,
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15, 248, 1, 255, 192, 0, 0, 31, 252, 0, 255, 128,
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15, 240, 3, 255, 128, 0, 0, 15, 254, 0, 127, 128,
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31, 240, 7, 255, 0, 0, 0, 7, 255, 0, 127, 192,
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31, 224, 7, 254, 0, 0, 0, 3, 255, 0, 63, 192,
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63, 224, 15, 252, 0, 0, 0, 1, 255, 128, 63, 224,
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63, 224, 31, 248, 0, 63, 192, 0, 255, 192, 63, 224,
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63, 192, 31, 240, 0, 255, 240, 0, 127, 192, 31, 224,
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63, 192, 63, 224, 3, 255, 252, 0, 63, 224, 31, 224,
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127, 192, 63, 224, 7, 255, 254, 0, 63, 224, 31, 240,
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127, 128, 63, 192, 15, 255, 255, 0, 31, 224, 15, 240,
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127, 128, 127, 192, 31, 255, 255, 128, 31, 240, 15, 240,
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127, 128, 127, 128, 63, 255, 255, 192, 15, 240, 15, 240,
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127, 128, 127, 128, 63, 255, 255, 192, 15, 240, 15, 240,
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255, 0, 127, 128, 127, 240, 255, 224, 15, 240, 7, 240,
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255, 0, 255, 128, 127, 192, 63, 224, 15, 248, 7, 240,
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255, 0, 255, 0, 255, 128, 31, 240, 7, 248, 7, 240,
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255, 0, 255, 0, 255, 128, 31, 240, 7, 248, 7, 240,
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255, 0, 255, 0, 255, 0, 15, 240, 7, 248, 7, 240,
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255, 0, 255, 0, 255, 0, 15, 240, 7, 248, 7, 240,
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255, 0, 255, 0, 255, 0, 15, 240, 7, 248, 7, 240,
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255, 0, 255, 0, 255, 0, 15, 240, 7, 248, 7, 240,
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255, 0, 255, 0, 255, 128, 31, 240, 7, 248, 7, 240,
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255, 0, 255, 0, 255, 128, 31, 240, 7, 248, 7, 240,
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255, 0, 255, 0, 127, 192, 63, 224, 7, 248, 7, 240,
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255, 0, 255, 128, 127, 240, 255, 224, 15, 248, 7, 240,
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255, 0, 127, 128, 63, 255, 255, 192, 15, 240, 7, 240,
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127, 128, 127, 128, 63, 255, 255, 192, 15, 240, 15, 240,
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127, 128, 127, 128, 31, 255, 255, 128, 15, 240, 15, 240,
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127, 128, 127, 192, 15, 255, 255, 0, 31, 240, 15, 240,
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127, 128, 63, 192, 7, 255, 254, 0, 31, 224, 15, 240,
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127, 192, 63, 224, 3, 255, 252, 0, 63, 224, 31, 240,
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63, 192, 63, 224, 0, 255, 240, 0, 63, 224, 31, 224,
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63, 192, 31, 240, 0, 63, 192, 0, 127, 192, 31, 224,
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63, 224, 31, 248, 0, 0, 0, 0, 255, 192, 63, 224,
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63, 224, 15, 252, 0, 0, 0, 1, 255, 128, 63, 224,
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31, 224, 7, 254, 0, 0, 0, 3, 255, 0, 63, 192,
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31, 240, 7, 255, 0, 0, 0, 7, 255, 0, 127, 192,
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15, 240, 3, 255, 128, 0, 0, 15, 254, 0, 127, 128,
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15, 248, 1, 255, 192, 0, 0, 31, 252, 0, 255, 128,
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7, 252, 1, 255, 240, 0, 0, 127, 252, 1, 255, 0,
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7, 252, 0, 255, 252, 0, 1, 255, 248, 1, 255, 0,
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3, 254, 0, 127, 255, 192, 31, 255, 240, 3, 254, 0,
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3, 255, 0, 63, 255, 255, 255, 255, 224, 7, 254, 0,
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1, 255, 0, 15, 255, 255, 255, 255, 128, 7, 252, 0,
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1, 255, 128, 7, 255, 255, 255, 255, 0, 15, 252, 0,
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0, 255, 192, 1, 255, 255, 255, 252, 0, 31, 248, 0,
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0, 127, 224, 0, 255, 255, 255, 248, 0, 63, 240, 0,
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0, 127, 240, 0, 63, 255, 255, 224, 0, 127, 240, 0,
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0, 63, 248, 0, 7, 255, 255, 0, 0, 255, 224, 0,
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0, 31, 252, 0, 0, 127, 240, 0, 1, 255, 192, 0,
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0, 15, 255, 0, 0, 0, 0, 0, 7, 255, 128, 0,
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0, 7, 255, 128, 0, 0, 0, 0, 15, 255, 0, 0,
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0, 3, 255, 224, 0, 0, 0, 0, 63, 254, 0, 0,
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0, 1, 255, 240, 0, 0, 0, 0, 127, 252, 0, 0,
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0, 0, 255, 252, 0, 0, 0, 1, 255, 248, 0, 0,
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0, 0, 127, 255, 128, 0, 0, 15, 255, 240, 0, 0,
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0, 0, 63, 255, 240, 0, 0, 127, 255, 224, 0, 0,
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0, 0, 15, 255, 255, 0, 7, 255, 255, 128, 0, 0,
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0, 0, 7, 255, 255, 255, 255, 255, 255, 0, 0, 0,
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0, 0, 1, 255, 255, 255, 255, 255, 252, 0, 0, 0,
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0, 0, 0, 127, 255, 255, 255, 255, 240, 0, 0, 0,
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0, 0, 0, 31, 255, 255, 255, 255, 192, 0, 0, 0,
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0, 0, 0, 7, 255, 255, 255, 255, 0, 0, 0, 0,
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0, 0, 0, 1, 255, 255, 255, 252, 0, 0, 0, 0,
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0, 0, 0, 0, 31, 255, 255, 192, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 255, 248, 0, 0, 0, 0, 0
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};
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205
backend/raster.c
205
backend/raster.c
@ -43,9 +43,10 @@
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#include <malloc.h>
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#endif /* _MSC_VER */
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#include "maxihex.h" /* Maxicode shapes */
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#include "font.h" /* Font for human readable text */
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#define SSET "0123456789ABCDEF"
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#ifndef NO_PNG
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extern int png_pixel_plot(struct zint_symbol *symbol, char *pixelbuf);
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#endif /* NO_PNG */
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@ -90,11 +91,13 @@ void buffer_plot(struct zint_symbol *symbol, char *pixelbuf) {
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int save_raster_image_to_file(struct zint_symbol *symbol, int image_height, int image_width, char *pixelbuf, int rotate_angle, int image_type) {
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int error_number;
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int row, column;
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#ifndef _MSC_VER
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char rotated_pixbuf[image_height * image_width];
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#else
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char* rotated_pixbuf = (char *) _alloca((image_height * image_width) * sizeof (char));
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#endif /* _MSC_VER */
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char *rotated_pixbuf;
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if (!(rotated_pixbuf = (char *) malloc(image_width * image_height))) {
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printf("Insufficient memory for pixel buffer");
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return ZINT_ERROR_ENCODING_PROBLEM;
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}
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switch (rotate_angle) {
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case 0:
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@ -138,7 +141,7 @@ int save_raster_image_to_file(struct zint_symbol *symbol, int image_height, int
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for (row = 0; row < image_height; row++) {
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for (column = 0; column < image_width; column++) {
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rotated_pixbuf[(row * image_width) + column] =
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*(pixelbuf + (image_width * row) + column);
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pixelbuf[(image_width * row) + column];
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}
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}
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break;
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@ -191,6 +194,7 @@ int save_raster_image_to_file(struct zint_symbol *symbol, int image_height, int
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break;
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}
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free(rotated_pixbuf);
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return error_number;
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}
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@ -225,54 +229,24 @@ void draw_circle(char *pixelbuf, int image_width, int image_height, int x0, int
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}
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}
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int bullseye_pixel(int row, int col) {
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int block_val, block_pos, return_val;
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block_val = bullseye_compressed[(row * 12) + (col / 8)];
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return_val = 0;
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block_pos = col % 8;
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if (block_val & (0x80 >> block_pos)) {
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return_val = 1;
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}
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return return_val;
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}
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void draw_bullseye(char *pixelbuf, int image_width, int image_height, int xoffset, int yoffset) {
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void draw_bullseye(char *pixelbuf, int image_width, int image_height, int xoffset, int yoffset, int scaler) {
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/* Central bullseye in Maxicode symbols */
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int i, j;
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for (j = 103; j < 196; j++) {
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for (i = 0; i < 93; i++) {
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if (bullseye_pixel(j - 103, i)) {
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*(pixelbuf + (image_width * j) + (image_width * yoffset) + i + 99 + xoffset) = '1';
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}
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}
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}
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/*
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// At some point (probably after 2.5 release) the above clumsy drawing method should
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// be replaced by something more like the code below
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int scaler = 10;
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draw_circle(pixelbuf, image_width, image_height, (14.5 * scaler) + xoffset, (int)(15 * scaler) + yoffset, (int)(4.57 * scaler), '1');
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draw_circle(pixelbuf, image_width, image_height, (14.5 * scaler) + xoffset, (int)(15 * scaler) + yoffset, (int)(3.78 * scaler), '0');
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draw_circle(pixelbuf, image_width, image_height, (14.5 * scaler) + xoffset, (int)(15 * scaler) + yoffset, (int)(2.99 * scaler), '1');
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draw_circle(pixelbuf, image_width, image_height, (14.5 * scaler) + xoffset, (int)(15 * scaler) + yoffset, (int)(2.20 * scaler), '0');
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draw_circle(pixelbuf, image_width, image_height, (14.5 * scaler) + xoffset, (int)(15 * scaler) + yoffset, (int)(1.39 * scaler), '1');
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draw_circle(pixelbuf, image_width, image_height, (14.5 * scaler) + xoffset, (int)(15 * scaler) + yoffset, (int)(0.60 * scaler), '0');
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*/
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draw_circle(pixelbuf, image_width, image_height, (int)(14.5 * scaler) + xoffset, (int)(15 * scaler) + yoffset, (int)(4.571 * scaler) + 1, '1');
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draw_circle(pixelbuf, image_width, image_height, (int)(14.5 * scaler) + xoffset, (int)(15 * scaler) + yoffset, (int)(3.779 * scaler) + 1, '0');
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draw_circle(pixelbuf, image_width, image_height, (int)(14.5 * scaler) + xoffset, (int)(15 * scaler) + yoffset, (int)(2.988 * scaler) + 1, '1');
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draw_circle(pixelbuf, image_width, image_height, (int)(14.5 * scaler) + xoffset, (int)(15 * scaler) + yoffset, (int)(2.196 * scaler) + 1, '0');
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draw_circle(pixelbuf, image_width, image_height, (int)(14.5 * scaler) + xoffset, (int)(15 * scaler) + yoffset, (int)(1.394 * scaler) + 1, '1');
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draw_circle(pixelbuf, image_width, image_height, (int)(14.5 * scaler) + xoffset, (int)(15 * scaler) + yoffset, (int)(0.602 * scaler) + 1, '0');
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}
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void draw_hexagon(char *pixelbuf, int image_width, int xposn, int yposn) {
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void draw_hexagon(char *pixelbuf, int image_width, char *scaled_hexagon, int hexagon_size, int xposn, int yposn) {
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/* Put a hexagon into the pixel buffer */
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int i, j;
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for (i = 0; i < 12; i++) {
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for (j = 0; j < 10; j++) {
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if (hexagon[(i * 10) + j] == 1) {
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for (i = 0; i < hexagon_size; i++) {
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for (j = 0; j < hexagon_size; j++) {
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if (scaled_hexagon[(i * hexagon_size) + j] == '1') {
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*(pixelbuf + (image_width * i) + (image_width * yposn) + xposn + j) = '1';
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}
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}
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@ -420,21 +394,96 @@ void draw_string(char *pixbuf, char input_string[], int xposn, int yposn, int te
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}
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void plot_hexline(char *scaled_hexagon, int hexagon_size, float start_x, float start_y, float end_x, float end_y) {
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/* Draw a straight line from start to end */
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int i;
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float inc_x, inc_y;
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float this_x, this_y;
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inc_x = (end_x - start_x) / hexagon_size;
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inc_y = (end_y - start_y) / hexagon_size;
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for (i = 0; i < hexagon_size; i++) {
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this_x = start_x + ((float)i * inc_x);
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this_y = start_y + ((float)i * inc_y);
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if (((this_x >= 0) && (this_x < hexagon_size)) && ((this_y >= 0) && (this_y < hexagon_size))) {
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scaled_hexagon[(hexagon_size * (int)this_y) + (int)this_x] = '1';
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}
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}
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}
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void plot_hexagon(char *scaled_hexagon, int hexagon_size) {
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/* Create a hexagon shape and fill it */
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int line, i;
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char ink;
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float x_offset[6];
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float y_offset[6];
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float start_x, start_y;
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float end_x, end_y;
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x_offset[0] = 0.0;
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x_offset[1] = 0.86;
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x_offset[2] = 0.86;
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x_offset[3] = 0.0;
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x_offset[4] = -0.86;
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x_offset[5] = -0.86;
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y_offset[0] = 1.0;
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y_offset[1] = 0.5;
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y_offset[2] = -0.5;
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y_offset[3] = -1.0;
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y_offset[4] = -0.5;
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y_offset[5] = 0.5;
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/* Plot hexagon outline */
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for (line = 0; line < 5; line++) {
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start_x = ((float)hexagon_size / 2.0) + (((float)hexagon_size / 2.0) * x_offset[line]);
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start_y = ((float)hexagon_size / 2.0) + (((float)hexagon_size / 2.0) * y_offset[line]);
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end_x = ((float)hexagon_size / 2.0) + (((float)hexagon_size / 2.0) * x_offset[line + 1]);
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end_y = ((float)hexagon_size / 2.0) + (((float)hexagon_size / 2.0) * y_offset[line + 1]);
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plot_hexline(scaled_hexagon, hexagon_size, start_x, start_y, end_x, end_y);
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}
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start_x = ((float)hexagon_size / 2.0) + (((float)hexagon_size / 2.0) * x_offset[line]);
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start_y = ((float)hexagon_size / 2.0) + (((float)hexagon_size / 2.0) * y_offset[line]);
|
||||
end_x = ((float)hexagon_size / 2.0) + (((float)hexagon_size / 2.0) * x_offset[0]);
|
||||
end_y = ((float)hexagon_size / 2.0) + (((float)hexagon_size / 2.0) * y_offset[0]);
|
||||
plot_hexline(scaled_hexagon, hexagon_size, start_x, start_y, end_x, end_y);
|
||||
|
||||
/* Fill hexagon */
|
||||
for (line = 0; line < hexagon_size; line++) {
|
||||
ink = '0';
|
||||
for (i = 0; i < hexagon_size; i++) {
|
||||
if (scaled_hexagon[(hexagon_size * line) + i] == '1') {
|
||||
if (i < (hexagon_size / 2)) {
|
||||
ink = '1';
|
||||
} else {
|
||||
ink = '0';
|
||||
}
|
||||
}
|
||||
|
||||
if (ink == '1') {
|
||||
scaled_hexagon[(hexagon_size * line) + i] = ink;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int plot_raster_maxicode(struct zint_symbol *symbol, int rotate_angle, int data_type) {
|
||||
/* Plot a MaxiCode symbol with hexagons and bullseye */
|
||||
int i, row, column, xposn, yposn;
|
||||
int image_height, image_width;
|
||||
char *pixelbuf;
|
||||
int error_number;
|
||||
int xoffset, yoffset;
|
||||
float scaler = symbol->scale;
|
||||
char *scaled_pixelbuf;
|
||||
int horiz, vert;
|
||||
int scale_width, scale_height;
|
||||
char *scaled_hexagon;
|
||||
int hexagon_size;
|
||||
|
||||
xoffset = symbol->border_width + symbol->whitespace_width;
|
||||
yoffset = symbol->border_width;
|
||||
image_width = 300 + (2 * xoffset * 2);
|
||||
image_height = 300 + (2 * yoffset * 2);
|
||||
image_width = (300 + (2 * xoffset * 2)) * scaler;
|
||||
image_height = (300 + (2 * yoffset * 2)) * scaler;
|
||||
|
||||
if (!(pixelbuf = (char *) malloc(image_width * image_height))) {
|
||||
printf("Insufficient memory for pixel buffer");
|
||||
@ -444,8 +493,22 @@ int plot_raster_maxicode(struct zint_symbol *symbol, int rotate_angle, int data_
|
||||
*(pixelbuf + i) = '0';
|
||||
}
|
||||
}
|
||||
|
||||
hexagon_size = (int)scaler * 10;
|
||||
|
||||
if (!(scaled_hexagon = (char *) malloc(hexagon_size * hexagon_size))) {
|
||||
printf("Insufficient memory for pixel buffer");
|
||||
free(scaled_hexagon);
|
||||
return ZINT_ERROR_ENCODING_PROBLEM;
|
||||
} else {
|
||||
for (i = 0; i < (hexagon_size * hexagon_size); i++) {
|
||||
*(scaled_hexagon + i) = '0';
|
||||
}
|
||||
}
|
||||
|
||||
plot_hexagon(scaled_hexagon, hexagon_size);
|
||||
|
||||
draw_bullseye(pixelbuf, image_width, image_height, (2 * xoffset), (2 * yoffset));
|
||||
draw_bullseye(pixelbuf, image_width, image_height, (2 * xoffset), (2 * yoffset), scaler * 10);
|
||||
|
||||
for (row = 0; row < symbol->rows; row++) {
|
||||
yposn = row * 9;
|
||||
@ -455,10 +518,10 @@ int plot_raster_maxicode(struct zint_symbol *symbol, int rotate_angle, int data_
|
||||
if (row & 1) {
|
||||
/* Odd (reduced) row */
|
||||
xposn += 5;
|
||||
draw_hexagon(pixelbuf, image_width, xposn + (2 * xoffset), yposn + (2 * yoffset));
|
||||
draw_hexagon(pixelbuf, image_width, scaled_hexagon, hexagon_size, (xposn + (2 * xoffset)) * scaler, (yposn + (2 * yoffset)) * scaler);
|
||||
} else {
|
||||
/* Even (full) row */
|
||||
draw_hexagon(pixelbuf, image_width, xposn + (2 * xoffset), yposn + (2 * yoffset));
|
||||
draw_hexagon(pixelbuf, image_width, scaled_hexagon, hexagon_size, (xposn + (2 * xoffset)) * scaler, (yposn + (2 * yoffset)) * scaler);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -476,32 +539,8 @@ int plot_raster_maxicode(struct zint_symbol *symbol, int rotate_angle, int data_
|
||||
draw_bar(pixelbuf, 300 + ((symbol->border_width + symbol->whitespace_width + symbol->whitespace_width) * 2), symbol->border_width * 2, 0, image_height, image_width, image_height);
|
||||
}
|
||||
|
||||
|
||||
if (scaler == 0) {
|
||||
scaler = 0.5;
|
||||
}
|
||||
scale_width = image_width * scaler;
|
||||
scale_height = image_height * scaler;
|
||||
|
||||
/* Apply scale options by creating another pixel buffer */
|
||||
if (!(scaled_pixelbuf = (char *) malloc(scale_width * scale_height))) {
|
||||
printf("Insufficient memory for pixel buffer");
|
||||
free(pixelbuf);
|
||||
return ZINT_ERROR_ENCODING_PROBLEM;
|
||||
} else {
|
||||
for (i = 0; i < (scale_width * scale_height); i++) {
|
||||
*(scaled_pixelbuf + i) = '0';
|
||||
}
|
||||
}
|
||||
|
||||
for (vert = 0; vert < scale_height; vert++) {
|
||||
for (horiz = 0; horiz < scale_width; horiz++) {
|
||||
*(scaled_pixelbuf + (vert * scale_width) + horiz) = *(pixelbuf + ((int) (vert / scaler) * image_width) + (int) (horiz / scaler));
|
||||
}
|
||||
}
|
||||
|
||||
error_number = save_raster_image_to_file(symbol, scale_height, scale_width, scaled_pixelbuf, rotate_angle, data_type);
|
||||
free(scaled_pixelbuf);
|
||||
error_number = save_raster_image_to_file(symbol, image_height, image_width, pixelbuf, rotate_angle, data_type);
|
||||
free(scaled_hexagon);
|
||||
free(pixelbuf);
|
||||
return error_number;
|
||||
}
|
||||
|
||||
@ -386,13 +386,6 @@ The scale of the image can be altered using the --scale= option followed by a
|
||||
multiple of the default x-dimension. The default x-dimension is 2 pixels. For
|
||||
example for PNG images a scale of 5 will increase the x-dimension to 10 pixels.
|
||||
|
||||
===============================================================================
|
||||
NOTE: There is a known problem with scaling MaxiCode images when outputting
|
||||
to a raster file format. While the image does scale it does not improve the
|
||||
clarity of the image. It is hoped this will be resolved in a later version of
|
||||
the program.
|
||||
===============================================================================
|
||||
|
||||
4.10 Input modes
|
||||
----------------
|
||||
By default all input data is assumed to be encoded in Unicode (UTF-8) format.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user