| 1 | // ==================================================================== // |
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| 2 | // // |
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| 3 | // File : AW_font_group.cxx // |
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| 4 | // Purpose : Bundles a group of fonts and provides overall maximas // |
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| 5 | // // |
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| 6 | // // |
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| 7 | // Coded by Ralf Westram (coder@reallysoft.de) in December 2004 // |
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| 8 | // Copyright Department of Microbiology (Technical University Munich) // |
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| 9 | // // |
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| 10 | // Visit our web site at: http://www.arb-home.de/ // |
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| 11 | // // |
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| 12 | // ==================================================================== // |
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| 13 | |
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| 14 | #include "aw_font_group.hxx" |
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| 15 | #include <cstring> |
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| 16 | |
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| 17 | // ____________________________________________________________ |
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| 18 | // start of implementation of class AW_font_group: |
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| 19 | |
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| 20 | AW_font_group::AW_font_group() { |
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| 21 | unregisterAll(); |
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| 22 | } |
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| 23 | |
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| 24 | void AW_font_group::unregisterAll() |
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| 25 | { |
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| 26 | max_width = 0; |
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| 27 | max_ascent = 0; |
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| 28 | max_descent = 0; |
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| 29 | max_height = 0; |
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| 30 | |
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| 31 | memset(&max_letter_limits[0], 0, sizeof(max_letter_limits)); |
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| 32 | } |
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| 33 | |
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| 34 | inline void set_max(int val, int& max) { if (val>max) max = val; } |
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| 35 | |
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| 36 | void AW_font_group::registerFont(AW_device *device, int gc, const char *chars) { |
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| 37 | aw_assert(gc <= AW_FONT_GROUP_MAX_GC); |
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| 38 | |
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| 39 | if (!chars) { |
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| 40 | // use complete ASCII-range for limits |
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| 41 | max_letter_limits[gc] = device->get_font_information(gc, 0)->max_letter; |
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| 42 | } |
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| 43 | else { |
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| 44 | aw_assert(chars[0]); |
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| 45 | max_letter_limits[gc] = device->get_font_information(gc, chars[0])->this_letter; |
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| 46 | for (int i = 1; chars[i]; ++i) { |
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| 47 | max_letter_limits[gc] = AW_font_limits(max_letter_limits[gc], |
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| 48 | device->get_font_information(gc, chars[i])->this_letter); |
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| 49 | } |
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| 50 | } |
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| 51 | |
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| 52 | set_max(get_width(gc), max_width); |
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| 53 | set_max(get_ascent(gc), max_ascent); |
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| 54 | set_max(get_descent(gc), max_descent); |
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| 55 | set_max(get_height(gc), max_height); |
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| 56 | } |
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| 57 | |
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| 58 | |
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| 59 | // -end- of implementation of class AW_font_group. |
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| 60 | |
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| 61 | |
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| 62 | |
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| 63 | |
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