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/* Copyright (C) 1998 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: gdevmeds.c,v 1.4 2002/02/21 22:24:51 giles Exp $ */
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/*
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* Media selection support for printer drivers
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*
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* Select from a NULL terminated list of media the smallest medium which is
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* almost equal or larger then the actual imagesize.
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*
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* Written by Ulrich Schmid, uschmid@mail.hh.provi.de.
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*/
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#include "gdevmeds.h"
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#define CM * 0.01
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#define INCH * 0.0254
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#define TOLERANCE 0.1 CM
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private const struct {
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const char* name;
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float width;
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float height;
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float priority;
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} media[] = {
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#define X(name, width, height) {name, width, height, 1 / (width * height)}
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X("a0", 83.9611 CM, 118.816 CM),
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X("a1", 59.4078 CM, 83.9611 CM),
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X("a2", 41.9806 CM, 59.4078 CM),
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X("a3", 29.7039 CM, 41.9806 CM),
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X("a4", 20.9903 CM, 29.7039 CM),
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X("a5", 14.8519 CM, 20.9903 CM),
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X("a6", 10.4775 CM, 14.8519 CM),
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X("a7", 7.40833 CM, 10.4775 CM),
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X("a8", 5.22111 CM, 7.40833 CM),
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X("a9", 3.70417 CM, 5.22111 CM),
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X("a10", 2.61056 CM, 3.70417 CM),
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X("archA", 9 INCH, 12 INCH),
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X("archB", 12 INCH, 18 INCH),
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X("archC", 18 INCH, 24 INCH),
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X("archD", 24 INCH, 36 INCH),
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X("archE", 36 INCH, 48 INCH),
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X("b0", 100.048 CM, 141.393 CM),
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X("b1", 70.6967 CM, 100.048 CM),
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X("b2", 50.0239 CM, 70.6967 CM),
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X("b3", 35.3483 CM, 50.0239 CM),
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X("b4", 25.0119 CM, 35.3483 CM),
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X("b5", 17.6742 CM, 25.0119 CM),
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X("flsa", 8.5 INCH, 13 INCH),
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X("flse", 8.5 INCH, 13 INCH),
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X("halfletter", 5.5 INCH, 8.5 INCH),
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X("ledger", 17 INCH, 11 INCH),
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X("legal", 8.5 INCH, 14 INCH),
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X("letter", 8.5 INCH, 11 INCH),
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X("note", 7.5 INCH, 10 INCH),
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X("executive", 7.25 INCH, 10.5 INCH),
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X("com10", 4.125 INCH, 9.5 INCH),
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X("dl", 11 CM, 22 CM),
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X("c5", 16.2 CM, 22.9 CM),
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X("monarch", 3.875 INCH, 7.5 INCH)};
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int select_medium(gx_device_printer *pdev, const char **available, int default_index)
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{
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int i, j, index = default_index;
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float priority = 0;
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float width = pdev->width / pdev->x_pixels_per_inch INCH;
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float height = pdev->height / pdev->y_pixels_per_inch INCH;
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for (i = 0; available[i]; i++) {
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for (j = 0; j < sizeof(media) / sizeof(media[0]); j++) {
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if (!strcmp(available[i], media[j].name) &&
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media[j].width + TOLERANCE > width &&
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media[j].height + TOLERANCE > height &&
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media[j].priority > priority) {
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index = i;
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priority = media[j].priority;
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}
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}
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}
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return index;
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}
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