Mercurial > fife-parpg

comparison ext/guichan-0.8.2/src/contrib/allegro/allegroglyphkeeperfont.cpp @ 378:64738befdf3b

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bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
author vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 11 Jan 2010 23:34:52 +0000
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377:fe6fb0e0ed23 378:64738befdf3b
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 "guichan/contrib/allegro/allegroglyphkeeperfont.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(gcn::Graphics* graphics, const std::string& text, int x, int y)
139 {
140 gcn::AllegroGraphics* const allegroGraphics = dynamic_cast<gcn::AllegroGraphics*>(graphics);
141
142 if (!allegroGraphics)
143 {
144 throw GCN_EXCEPTION("Graphics is not of type AllegroGraphics");
145 }
146
147 BITMAP* const target = allegroGraphics->getTarget();
148
149 gk_rend_set_text_color_combined(mRend, allegroGraphics->getAllegroColor());
150 gk_rend_set_text_alpha(mRend, allegroGraphics->getColor().a);
151
152 const gcn::ClipRectangle& rec = graphics->getCurrentClipArea();
153
154 gk_render_line_utf8(target,
155 mRend,
156 text.c_str(),
157 x + rec.xOffset,
158 y + rec.yOffset + gk_rend_ascender_pixels(mRend));
159 }
160 }
161 }
162
163
164
165