Mercurial > fife-parpg

annotate engine/core/view/renderers/floatingtextrenderer.cpp @ 603:739d8a43d771

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* Fixed a bug in glimage.cpp. Now scale_x and scale_y is used. * Fixed a bug in sdlimage.cpp. Removed a SDL_SetAlpha() call, which had triggered a segfault. * Added Zoom support to SDL.
author helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
date Wed, 08 Sep 2010 13:47:16 +0000
parents d1df6cf5ff23
children f3457443c95f
rev   line source
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 // Standard C++ library includes
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23
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24 // 3rd party library includes
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25
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26 // FIFE includes
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27 // These includes are split up in two parts, separated by one empty line
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28 // First block: files included from the FIFE root src directory
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29 // Second block: files included from the same folder
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30 #include "video/renderbackend.h"
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31 #include "util/math/fife_math.h"
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32 #include "util/log/logger.h"
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33 #include "video/fonts/abstractfont.h"
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34 #include "video/image.h"
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35 #include "model/structures/instance.h"
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36 #include "model/structures/layer.h"
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37 #include "model/structures/location.h"
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38
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39 #include "view/visual.h"
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40 #include "view/camera.h"
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41 #include "floatingtextrenderer.h"
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42
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43
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44 namespace FIFE {
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45 static Logger _log(LM_VIEWVIEW);
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47
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48 FloatingTextRenderer::FloatingTextRenderer(RenderBackend* renderbackend, int position, AbstractFont* font):
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49 RendererBase(renderbackend, position),
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50 m_renderbackend(renderbackend),
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51 m_font(font) {
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52 setEnabled(false);
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53 m_font_color = false;
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54 m_color = m_font->getColor();
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55 }
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56
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57 FloatingTextRenderer::FloatingTextRenderer(const FloatingTextRenderer& old):
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58 RendererBase(old),
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59 m_renderbackend(old.m_renderbackend),
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60 m_font(old.m_font),
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61 m_font_color(old.m_font_color),
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62 m_color(old.m_color) {
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63 setEnabled(false);
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64 m_font_color = m_background = m_backborder = false;
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65 }
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66
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67 RendererBase* FloatingTextRenderer::clone() {
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68 return new FloatingTextRenderer(*this);
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69 }
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70
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71 FloatingTextRenderer::~FloatingTextRenderer() {
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72 }
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73
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74 void FloatingTextRenderer::render(Camera* cam, Layer* layer, RenderList& instances) {
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75 if (!m_font) {
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76 return;
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77 }
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78
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79 RenderList::const_iterator instance_it = instances.begin();
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80 const std::string* saytext = NULL;
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81 SDL_Color old_color = m_font->getColor();
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82 if(m_font_color) {
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83 m_font->setColor(m_color.r, m_color.g, m_color.b, m_color.unused);
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84 }
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85 for (;instance_it != instances.end(); ++instance_it) {
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86 Instance* instance = (*instance_it)->instance;
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87 saytext = instance->getSayText();
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88 if (saytext) {
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89 const Rect& ir = (*instance_it)->dimensions;
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90 Image* img = m_font->getAsImageMultiline(*saytext);
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91 Rect r;
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92 r.x = (ir.x + ir.w/2) - img->getWidth()/2; /// the center of the text rect is always aligned to the instance's rect center.
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93 r.y = ir.y- img->getHeight(); /// make the text rect floating higher than the instance.
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94 r.w = img->getWidth();
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95 r.h = img->getHeight();
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96 if(m_background || m_backborder) {
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97 const int overdraw = 5;
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98 Point p1 = Point(r.x-overdraw, r.y-overdraw);
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99 Point p2 = Point(r.x+r.w+overdraw, r.y-overdraw);
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100 Point p3 = Point(r.x+r.w+overdraw, r.y+r.h+overdraw);
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101 Point p4 = Point(r.x-overdraw, r.y+r.h+overdraw);
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102
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103 if(m_background) {
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
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104 m_renderbackend->drawQuad(p1, p2, p3, p4, m_backcolor.r, m_backcolor.g, m_backcolor.b, m_backcolor.unused);
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
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105 }
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106
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107 if(m_backborder) {
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108 m_renderbackend->drawLine(p1, p2, m_backbordercolor.r, m_backbordercolor.g, m_backbordercolor.b, m_backbordercolor.unused);
47b49b9b0c0a * Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
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109 m_renderbackend->drawLine(p2, p3, m_backbordercolor.r, m_backbordercolor.g, m_backbordercolor.b, m_backbordercolor.unused);
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110 m_renderbackend->drawLine(p3, p4, m_backbordercolor.r, m_backbordercolor.g, m_backbordercolor.b, m_backbordercolor.unused);
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diff changeset
111 m_renderbackend->drawLine(p4, p1, m_backbordercolor.r, m_backbordercolor.g, m_backbordercolor.b, m_backbordercolor.unused);
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112 }
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113 }
0
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diff changeset
114 img->render(r);
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115 }
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116 }
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117 if(m_font_color) {
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118 m_font->setColor(old_color.r, old_color.g, old_color.b, old_color.unused);
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119 }
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120 }
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121
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122 void FloatingTextRenderer::setColor(Uint8 r, Uint8 g, Uint8 b, Uint8 a) {
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diff changeset
123 m_color.r = r;
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124 m_color.g = g;
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125 m_color.b = b;
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126 m_color.unused = a;
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127
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128 m_font_color = true;
0
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129 }
522
7b451e3b2439 FloatingTextRenderer no longer modifies the default font color when rendering.
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130
589
d1df6cf5ff23 * Fixed a bug in RenderBackendSDL, the clip area was not properly set.
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131 void FloatingTextRenderer::setBackground(Uint8 br, Uint8 bg, Uint8 bb, Uint8 ba) {
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diff changeset
132 m_backcolor.r = br;
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diff changeset
133 m_backcolor.g = bg;
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134 m_backcolor.b = bb;
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135 m_backcolor.unused = ba;
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136
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diff changeset
137 m_background = true;
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138 }
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139
589
d1df6cf5ff23 * Fixed a bug in RenderBackendSDL, the clip area was not properly set.
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diff changeset
140 void FloatingTextRenderer::setBorder(Uint8 bbr, Uint8 bbg, Uint8 bbb, Uint8 bba) {
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diff changeset
141 m_backbordercolor.r = bbr;
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diff changeset
142 m_backbordercolor.g = bbg;
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143 m_backbordercolor.b = bbb;
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diff changeset
144 m_backbordercolor.unused = bba;
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145
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diff changeset
146 m_backborder = true;
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147 }
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148
589
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diff changeset
149 void FloatingTextRenderer::resetBackground() {
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diff changeset
150 m_background = false;
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151 }
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152
589
d1df6cf5ff23 * Fixed a bug in RenderBackendSDL, the clip area was not properly set.
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diff changeset
153 void FloatingTextRenderer::resetBorder() {
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diff changeset
154 m_backborder = false;
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155 }
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156
0
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diff changeset
157 FloatingTextRenderer* FloatingTextRenderer::getInstance(IRendererContainer* cnt) {
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diff changeset
158 return dynamic_cast<FloatingTextRenderer*>(cnt->getRenderer("FloatingTextRenderer"));
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159 }
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160 }