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comparison ext/guichan-0.8.1/src/contrib/allegro/allegroglyphkeeperfont.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 * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
6 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
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 /*
45 * For comments regarding functions please see the header file.
46 */
47
48 #include "allegrotruetypefont.hpp"
49
50 #include "guichan/allegro.hpp"
51 #include "guichan/exception.hpp"
52 #include "guichan/graphics.hpp"
53
54 #include <glyph.h>
55
56 namespace gcn
57 {
58 namespace contrib
59 {
60 void AllegroGlyphKeeperFont::load(const std::string& filename, int w, int h)
61 {
62 mKeeper = gk_create_keeper(0,0);
63
64 if (mKeeper == NULL)
65 {
66 throw GCN_EXCEPTION("Can't create keeper.");
67 }
68
69 mFace = gk_load_face_from_file(filename.c_str(), 0);
70
71 if (mFace == NULL)
72 {
73 throw GCN_EXCEPTION("Can't load font from file.");
74 }
75
76 mRend = gk_create_renderer(mFace,mKeeper);
77
78 if (mRend == NULL)
79 {
80 throw GCN_EXCEPTION("Can't create renderer.");
81 }
82
83 gk_rend_set_hinting_off(mRend);
84 gk_rend_set_size_pixels(mRend, w, h);
85 gk_rend_set_text_color_rgb(mRend, 0, 0, 0);
86 }
87
88 AllegroGlyphKeeperFont::AllegroGlyphKeeperFont(const std::string& filename, int size)
89 : mFace(0),
90 mRend(0),
91 mKeeper(0)
92 {
93 load(filename, size, size);
94 }
95
96 AllegroGlyphKeeperFont::AllegroGlyphKeeperFont(const std::string& filename, int w, int h)
97 : mFace(0),
98 mRend(0),
99 mKeeper(0)
100 {
101 load(filename, w, h);
102 }
103
104 AllegroGlyphKeeperFont::~AllegroGlyphKeeperFont()
105 {
106 if (mRend != NULL)
107 {
108 gk_done_renderer(mRend);
109 }
110
111 mRend = NULL;
112
113 if (mFace != NULL)
114 {
115 gk_unload_face(mFace);
116 }
117
118 mFace = NULL;
119
120 if (mKeeper != NULL)
121 {
122 gk_done_keeper(mKeeper);
123 }
124
125 mKeeper = NULL;
126 }
127
128 int AllegroGlyphKeeperFont::getWidth(const std::string& text) const
129 {
130 return gk_text_width_utf8(mRend, text.c_str());
131 }
132
133 int AllegroGlyphKeeperFont::getHeight() const
134 {
135 return gk_rend_height_pixels(mRend);
136 }
137
138 void AllegroGlyphKeeperFont::drawString(Graphics* graphics, const std::string& text, int x, int y)
139 {
140 AllegroGraphics* const allegroGraphics = dynamic_cast<AllegroGraphics*>(graphics);
141 if (!allegroGraphics)
142 {
143 throw GCN_EXCEPTION("Graphics is not of type AllegroGraphics");
144 }
145
146 BITMAP* const target = allegroGraphics->getTarget();
147
148 gk_rend_set_text_color_combined(mRend, allegroGraphics->getAllegroColor());
149 gk_rend_set_text_alpha(mRend, allegroGraphics->getColor().a);
150
151 const ClipRectangle& rec = graphics->getCurrentClipArea();
152
153 gk_render_line_utf8(target,
154 mRend,
155 text.c_str(),
156 x + rec.xOffset,
157 y + rec.yOffset + gk_rend_ascender_pixels(mRend));
158 }
159 }
160 }
161
162
163