FIFE  2008.0
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gui_font.cpp
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2  * Copyright (C) 2005-2008 by the FIFE team *
3  * http://www.fifengine.de *
4  * This file is part of FIFE. *
5  * *
6  * FIFE is free software; you can redistribute it and/or *
7  * modify it under the terms of the GNU Lesser General Public *
8  * License as published by the Free Software Foundation; either *
9  * version 2.1 of the License, or (at your option) any later version. *
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11  * This library is distributed in the hope that it will be useful, *
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13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
14  * Lesser General Public License for more details. *
15  * *
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20  ***************************************************************************/
21 
22 // Standard C++ library includes
23 
24 // 3rd party library includes
25 #include <guichan.hpp>
26 
27 // FIFE includes
28 // These includes are split up in two parts, separated by one empty line
29 // First block: files included from the FIFE root src directory
30 // Second block: files included from the same folder
31 #include "util/structures/rect.h"
32 #include "video/image.h"
33 #include "video/renderbackend.h"
34 
35 #include "gui_font.h"
36 
37 namespace FIFE {
38  GuiFont::GuiFont(IFont* font): m_font(font) {
39  assert(font);
40  }
41 
42  GuiFont::~GuiFont() {
43  delete m_font;
44  }
45 
46  int32_t GuiFont::getStringIndexAt(const std::string& text, int32_t x) const {
47  return m_font->getStringIndexAt(text, x);
48  }
49 
50  void GuiFont::drawString(gcn::Graphics* graphics, const std::string& text, int32_t x, int32_t y) {
51  if (text == "") {
52  return;
53  }
54 
55  int32_t yoffset = getRowSpacing() / 2;
56 
57  const gcn::ClipRectangle& clip = graphics->getCurrentClipArea();
58  FIFE::Rect rect;
59  rect.x = x + clip.xOffset;
60  rect.y = y + clip.yOffset + yoffset;
61  rect.w = getWidth(text);
62  rect.h = getHeight();
63 
64  if (!rect.intersects(Rect(clip.x,clip.y,clip.width,clip.height)) ) {
65  return;
66  }
67 
68  Image* image = getAsImage(text);
69  image->render(rect);
70  }
71 
72  void GuiFont::drawMultiLineString(gcn::Graphics* graphics, const std::string& text, int32_t x, int32_t y) {
73  if (text == "") {
74  return;
75  }
76 
77  int32_t yoffset = getRowSpacing() / 2;
78 
79  const gcn::ClipRectangle& clip = graphics->getCurrentClipArea();
80 
81  Image* image = getAsImageMultiline(text);
82 
83  FIFE::Rect rect;
84  rect.x = x + clip.xOffset;
85  rect.y = y + clip.yOffset + yoffset;
86  rect.w = image->getWidth();
87  rect.h = image->getHeight();
88  if (!rect.intersects(Rect(clip.x,clip.y,clip.width,clip.height)) ) {
89  return;
90  }
91  image->render(rect);
92  }
93 
94  void GuiFont::setRowSpacing (int32_t spacing) {
95  m_font->setRowSpacing(spacing);
96  }
97 
98  int32_t GuiFont::getRowSpacing() const {
99  return m_font->getRowSpacing();
100  }
101 
102  void GuiFont::setGlyphSpacing(int32_t spacing) {
103  m_font->setGlyphSpacing(spacing);
104  }
105 
106  int32_t GuiFont::getGlyphSpacing() const {
107  return m_font->getGlyphSpacing();
108  }
109 
110  void GuiFont::setAntiAlias(bool antiAlias) {
111  m_font->setAntiAlias(antiAlias);
112  }
113 
114  bool GuiFont::isAntiAlias() {
115  return m_font->isAntiAlias();
116  }
117 
118  Image* GuiFont::getAsImage(const std::string& text) {
119  return m_font->getAsImage(text);
120  }
121 
122  Image* GuiFont::getAsImageMultiline(const std::string& text) {
123  return m_font->getAsImageMultiline(text);
124  }
125 
126  std::string GuiFont::splitTextToWidth (const std::string& text, int32_t render_width) {
127  return m_font->splitTextToWidth(text,render_width);
128  }
129 
130  void GuiFont::setColor(uint8_t r,uint8_t g,uint8_t b, uint8_t a) {
131  m_font->setColor(r, g, b, a);
132  }
133 
134  SDL_Color GuiFont::getColor() const {
135  return m_font->getColor();
136  }
137 
138  int32_t GuiFont::getWidth(const std::string& text) const {
139  return m_font->getWidth(text);
140  }
141 
142  int32_t GuiFont::getHeight() const {
143  return m_font->getHeight();
144  }
145 
146  void GuiFont::invalidate() {
147  m_font->invalidate();
148  }
149 }