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comparison ext/guichan-0.8.1/src/allegro/allegrofont.cpp @ 0:4a0efb7baf70

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* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
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-1:000000000000 0:4a0efb7baf70
1 /* _______ __ __ __ ______ __ __ _______ __ __
2 * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
3 * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
4 * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
5 * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
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7 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
8 *
9 * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
10 *
11 *
12 * Per Larsson a.k.a finalman
13 * Olof Naessén a.k.a jansem/yakslem
14 *
15 * Visit: http://guichan.sourceforge.net
16 *
17 * License: (BSD)
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
20 * are met:
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in
25 * the documentation and/or other materials provided with the
26 * distribution.
27 * 3. Neither the name of Guichan nor the names of its contributors may
28 * be used to endorse or promote products derived from this software
29 * without specific prior written permission.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
37 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
38 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
39 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
40 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
41 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 */
43
44 #include "guichan/allegro/allegrofont.hpp"
45 #include "guichan/allegro/allegrographics.hpp"
46
47 #include "guichan/exception.hpp"
48
49 namespace gcn
50 {
51
52 AllegroFont::AllegroFont(FONT* font)
53 :mAutoFree(false),
54 mAllegroFont(font)
55
56 {
57 if (font == NULL)
58 {
59 throw GCN_EXCEPTION("Allegro font is not usable. Have you forgotten to load it?");
60 }
61 }
62
63 AllegroFont::AllegroFont(const std::string& filename)
64 :mAutoFree(true),
65 mAllegroFont(load_font(filename.c_str(), 0, 0))
66
67 {
68 if (mAllegroFont == NULL)
69 {
70 throw GCN_EXCEPTION("Unable to load Allegro font from file.");
71 }
72 }
73
74 AllegroFont::~AllegroFont()
75 {
76 if (mAutoFree)
77 {
78 if (mAllegroFont != NULL)
79 {
80 destroy_font(mAllegroFont);
81 }
82
83 mAllegroFont = NULL;
84 }
85 }
86
87 int AllegroFont::getWidth(const std::string& text) const
88 {
89 return text_length(mAllegroFont, text.c_str());
90 }
91
92 int AllegroFont::getHeight() const
93 {
94 return text_height(mAllegroFont);
95 }
96
97 void AllegroFont::drawString(gcn::Graphics* graphics, const std::string& text, int x, int y)
98 {
99 gcn::AllegroGraphics* const allegroGraphics = dynamic_cast<gcn::AllegroGraphics*>(graphics);
100 if (!allegroGraphics)
101 {
102 throw GCN_EXCEPTION("Graphics is not of type AllegroGraphics");
103 }
104
105 BITMAP* const db = allegroGraphics->getTarget();
106
107 const gcn::ClipRectangle& rec = graphics->getCurrentClipArea();
108
109 textout_ex(db,
110 mAllegroFont,
111 text.c_str(),
112 x + rec.x,
113 y + rec.y,
114 allegroGraphics->getAllegroColor(),
115 -1);
116 }
117 }