common
postscript_utils.h
Go to the documentation of this file.
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/* Copyright (C) 2013-2016, The Regents of The University of Michigan.
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All rights reserved.
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This software was developed in the APRIL Robotics Lab under the
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direction of Edwin Olson, ebolson@umich.edu. This software may be
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available under alternative licensing terms; contact the address above.
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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 are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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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 IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those
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of the authors and should not be interpreted as representing official policies,
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either expressed or implied, of the Regents of The University of Michigan.
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*/
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#pragma once
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// write commands in postscript language to render an image in the current
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// graphics environment. The image will be rendered in one pixel per unit
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// with Y up coordinate axis (e.g. upside down).
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static
void
postscript_image
(FILE *f,
image_u8_t
*im)
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{
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// fprintf(f, "/readstring {\n currentfile exch readhexstring pop\n} bind def\n");
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fprintf(f,
"/picstr %d string def\n"
, im->
width
);
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fprintf(f,
"%d %d 8 [1 0 0 1 0 0]\n"
,
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im->
width
, im->
height
);
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fprintf(f,
"{currentfile picstr readhexstring pop}\nimage\n"
);
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for
(
int
y = 0; y < im->
height
; y++) {
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for
(
int
x = 0; x < im->
width
; x++) {
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uint8_t v = im->
buf
[y*im->
stride
+ x];
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fprintf(f,
"%02x"
, v);
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if
((x % 32)==31)
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fprintf(f,
"\n"
);
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}
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}
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fprintf(f,
"\n"
);
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}
image_u8::height
const int32_t height
Definition:
image_types.h:40
image_u8::width
const int32_t width
Definition:
image_types.h:39
image_u8::stride
const int32_t stride
Definition:
image_types.h:41
image_u8
Definition:
image_types.h:37
image_u8::buf
uint8_t * buf
Definition:
image_types.h:43
postscript_image
static void postscript_image(FILE *f, image_u8_t *im)
Definition:
postscript_utils.h:33
apriltag
Author(s): Edwin Olson
, Max Krogius
autogenerated on Mon Jun 26 2023 02:26:12