XuqRijBuh: xrb_widgetskin.cpp Source File

00001 // ///////////////////////////////////////////////////////////////////////////
00002 // xrb_widgetskin.cpp by Victor Dods, created 2005/04/01
00003 // ///////////////////////////////////////////////////////////////////////////
00004 // Unless a different license was explicitly granted in writing by the
00005 // copyright holder (Victor Dods), this software is freely distributable under
00006 // the terms of the GNU General Public License, version 2.  Any works deriving
00007 // from this work must also be released under the GNU GPL.  See the included
00008 // file LICENSE for details.
00009 // ///////////////////////////////////////////////////////////////////////////
00010 
00011 #include "xrb_widgetskin.hpp"
00012 
00013 #include "xrb_screen.hpp"
00014 #include "xrb_widgetbackground.hpp"
00015 
00016 namespace Xrb
00017 {
00018 
00019 WidgetSkin::WidgetSkin (Screen const *screen)
00020 {
00021     ASSERT1(screen != NULL);
00022     m_screen = screen;
00023 
00024     // ///////////////////////////////////////////////////////////////////////
00025     // widget backgrounds
00026     // ///////////////////////////////////////////////////////////////////////
00027 
00028     m_widget_background[MODAL_WIDGET_BACKGROUND] =
00029         new WidgetBackgroundColored(Color(0.0f, 0.0f, 0.0f, 1.0f));
00030     m_widget_background[BUTTON_BACKGROUND] =
00031         new WidgetBackgroundColored(Color(0.0f, 0.0f, 0.6f, 1.0f));
00032     m_widget_background[BUTTON_MOUSEOVER_BACKGROUND] =
00033         new WidgetBackgroundColored(Color(0.2f, 0.2f, 0.7f, 1.0f));
00034     m_widget_background[BUTTON_PRESSED_BACKGROUND] =
00035         new WidgetBackgroundColored(Color(0.4f, 0.4f, 0.8f, 1.0f));
00036     m_widget_background[LINE_EDIT_BACKGROUND] =
00037         new WidgetBackgroundColored(Color(0.2f, 0.2f, 0.2f, 1.0f));
00038     m_widget_background[CHECK_BOX_BACKGROUND] =
00039         new WidgetBackgroundColored(Color(0.9f, 0.8f, 0.0f, 1.0f));
00040     m_widget_background[RADIO_BUTTON_BACKGROUND] =
00041         new WidgetBackgroundColored(Color(0.9f, 0.1f, 0.0f, 1.0f));
00042     m_widget_background[TOOLBAR_BUTTON_BACKGROUND] =
00043         new WidgetBackgroundColored(Color(0.0f, 0.4f, 0.0f, 1.0f));
00044     m_widget_background[TOOLBAR_BUTTON_MOUSEOVER_BACKGROUND] =
00045         new WidgetBackgroundColored(Color(0.4f, 0.8f, 0.4f, 1.0f));
00046     m_widget_background[TOOLBAR_BUTTON_CHECKED_BACKGROUND] =
00047         new WidgetBackgroundColored(Color(0.2f, 0.6f, 0.2f, 1.0f));
00048     m_widget_background[TOOLBAR_BUTTON_PRESSED_BACKGROUND] =
00049         new WidgetBackgroundColored(Color(0.6f, 1.0f, 0.6f, 1.0f));
00050 
00051     // ///////////////////////////////////////////////////////////////////////
00052     // fonts
00053     // ///////////////////////////////////////////////////////////////////////
00054 
00055     // 0.03 looks like about the smallest font that appears decently
00056     // on a 640x480 screen.
00057     m_font_specification[DEFAULT_FONT].m_font_height_ratio = 0.023f;
00058     UpdateFontHeight(DEFAULT_FONT);
00059     SetFontFacePath(
00060         DEFAULT_FONT,
00061         "resources/FreeSansBoldCustom.ttf");
00062 
00063     // ///////////////////////////////////////////////////////////////////////
00064     // gl textures
00065     // ///////////////////////////////////////////////////////////////////////
00066 
00067     SetTexturePath(CHECK_BOX_CHECK_TEXTURE, "resources/ui/black_checkmark.png");
00068     SetTexturePath(RADIO_BUTTON_CHECK_TEXTURE, "resources/ui/radiobutton_dot.png");
00069 
00070     // ///////////////////////////////////////////////////////////////////////
00071     // margins
00072     // ///////////////////////////////////////////////////////////////////////
00073 
00074     SetMarginRatios(DEFAULT_FRAME_MARGINS, FloatVector2(0.006667f, 0.006667f));
00075     SetMarginRatios(DEFAULT_CONTENT_MARGINS, FloatVector2::ms_zero);
00076     SetMarginRatios(LAYOUT_FRAME_MARGINS, FloatVector2(0.006667f, 0.006667f));
00077     SetMarginRatios(LAYOUT_SPACING_MARGINS, FloatVector2(0.006667f, 0.006667f));
00078 }
00079 
00080 WidgetSkin::~WidgetSkin ()
00081 {
00082     for (Uint32 i = 0; i < WIDGET_BACKGROUND_TYPE_COUNT; ++i)
00083         Delete(m_widget_background[i]);
00084 }
00085 
00086 WidgetSkin *WidgetSkin::CreateClone () const
00087 {
00088     WidgetSkin *retval = new WidgetSkin;
00089 
00090     ASSERT1(m_screen != NULL);
00091     retval->m_screen = m_screen;
00092 
00093     for (Uint32 i = 0; i < WIDGET_BACKGROUND_TYPE_COUNT; ++i)
00094         retval->m_widget_background[i] =
00095             m_widget_background[i] != NULL ?
00096             m_widget_background[i]->CreateClone() :
00097             NULL;
00098 
00099     for (Uint32 i = 0; i < FONT_TYPE_COUNT; ++i)
00100         retval->m_font_specification[i] = m_font_specification[i];
00101 
00102     for (Uint32 i = 0; i < TEXTURE_TYPE_COUNT; ++i)
00103         retval->m_texture[i] = m_texture[i];
00104 
00105     for (Uint32 i = 0; i < MARGINS_TYPE_COUNT; ++i)
00106         retval->m_margins_specification[i] = m_margins_specification[i];
00107 
00108     return retval;
00109 }
00110 
00111 Float WidgetSkin::RatioFromScreenCoord (ScreenCoord const screen_coord) const
00112 {
00113     ASSERT1(m_screen != NULL);
00114     ASSERT1(m_screen->SizeRatioBasis() > 0);
00115     return static_cast<Float>(screen_coord) / m_screen->SizeRatioBasis();
00116 }
00117 
00118 ScreenCoord WidgetSkin::ScreenCoordFromRatio (Float const ratio) const
00119 {
00120     ASSERT1(m_screen != NULL);
00121     ASSERT1(m_screen->SizeRatioBasis() > 0);
00122     return static_cast<ScreenCoord>(ratio * m_screen->SizeRatioBasis());
00123 }
00124 
00125 FloatVector2 WidgetSkin::RatiosFromScreenCoords (
00126     ScreenCoordVector2 const &screen_coords) const
00127 {
00128     ASSERT1(m_screen != NULL);
00129     ASSERT1(m_screen->SizeRatioBasis() > 0);
00130     return screen_coords.StaticCast<Float>() /
00131            static_cast<Float>(m_screen->SizeRatioBasis());
00132 }
00133 
00134 ScreenCoordVector2 WidgetSkin::ScreenCoordsFromRatios (
00135     FloatVector2 const &ratios) const
00136 {
00137     ASSERT1(m_screen != NULL);
00138     ASSERT1(m_screen->SizeRatioBasis() > 0);
00139     return (ratios *
00140             static_cast<Float>(m_screen->SizeRatioBasis())
00141            ).StaticCast<ScreenCoord>();
00142 }
00143 
00144 void WidgetSkin::SetWidgetBackground (
00145     WidgetBackgroundType const widget_background_type,
00146     WidgetBackground const *const widget_background)
00147 {
00148     ASSERT1(widget_background_type < WIDGET_BACKGROUND_TYPE_COUNT);
00149     delete m_widget_background[widget_background_type];
00150     m_widget_background[widget_background_type] = widget_background;
00151 }
00152 
00153 void WidgetSkin::SetFont (
00154     FontType const font_type,
00155     Resource<Font> const &font)
00156 {
00157     ASSERT1(font_type < FONT_TYPE_COUNT);
00158     ASSERT1(font.IsValid());
00159     m_font_specification[font_type].m_font = font;
00160     m_font_specification[font_type].m_font_height = font->PixelHeight();
00161     m_font_specification[font_type].m_font_height_ratio =
00162         RatioFromScreenCoord(font->PixelHeight());
00163 }
00164 
00165 void WidgetSkin::SetFontFacePath (
00166     FontType const font_type,
00167     std::string const &font_face_path)
00168 {
00169     ASSERT1(font_type < FONT_TYPE_COUNT);
00170     m_font_specification[font_type].m_font_height =
00171         ScreenCoordFromRatio(
00172             m_font_specification[font_type].m_font_height_ratio);
00173     m_font_specification[font_type].m_font =
00174         Singleton::ResourceLibrary().LoadPath<Font>(
00175             Font::Create,
00176             font_face_path,
00177             m_font_specification[font_type].m_font_height);
00178     ASSERT1(m_font_specification[font_type].m_font.IsValid());
00179 }
00180 
00181 
00182 void WidgetSkin::SetFontHeightRatio (
00183     FontType const font_type,
00184     Float const font_height_ratio)
00185 {
00186     ASSERT1(font_type < FONT_TYPE_COUNT);
00187     ASSERT1(font_height_ratio > 0.0f);
00188     m_font_specification[font_type].m_font_height_ratio = font_height_ratio;
00189     m_font_specification[font_type].m_font_height =
00190         ScreenCoordFromRatio(font_height_ratio);
00191     m_font_specification[font_type].m_font =
00192         Singleton::ResourceLibrary().LoadPath<Font>(
00193             Font::Create,
00194             m_font_specification[font_type].m_font.Path(),
00195             m_font_specification[font_type].m_font_height);
00196     ASSERT1(m_font_specification[font_type].m_font.IsValid());
00197 }
00198 
00199 void WidgetSkin::SetFontHeight (
00200     FontType const font_type,
00201     ScreenCoord const font_height)
00202 {
00203     ASSERT1(font_type < FONT_TYPE_COUNT);
00204     ASSERT1(font_height > 0);
00205     m_font_specification[font_type].m_font_height = font_height;
00206     m_font_specification[font_type].m_font_height_ratio =
00207         RatioFromScreenCoord(font_height);
00208     m_font_specification[font_type].m_font =
00209         Singleton::ResourceLibrary().LoadPath<Font>(
00210             Font::Create,
00211             m_font_specification[font_type].m_font.Path(),
00212             m_font_specification[font_type].m_font_height);
00213     ASSERT1(m_font_specification[font_type].m_font.IsValid());
00214 }
00215 
00216 void WidgetSkin::SetTexture (
00217     TextureType const texture_type,
00218     Resource<GLTexture> const &texture)
00219 {
00220     ASSERT1(texture_type < TEXTURE_TYPE_COUNT);
00221     m_texture[texture_type] = texture;
00222 }
00223 
00224 void WidgetSkin::SetTexturePath (
00225     TextureType const texture_type,
00226     std::string const &texture_path)
00227 {
00228     ASSERT1(texture_type < TEXTURE_TYPE_COUNT);
00229     m_texture[texture_type] =
00230         Singleton::ResourceLibrary().LoadPath<GLTexture>(
00231             GLTexture::Create,
00232             texture_path);
00233 }
00234 
00235 void WidgetSkin::SetMarginRatios (
00236     MarginsType const margins_type,
00237     FloatVector2 const &margin_ratios)
00238 {
00239     ASSERT1(margins_type < MARGINS_TYPE_COUNT);
00240     ASSERT1(margin_ratios[Dim::X] >= static_cast<Float>(0));
00241     ASSERT1(margin_ratios[Dim::Y] >= static_cast<Float>(0));
00242     m_margins_specification[margins_type].m_margin_ratios = margin_ratios;
00243     m_margins_specification[margins_type].m_margins =
00244         ScreenCoordsFromRatios(margin_ratios);
00245 }
00246 
00247 void WidgetSkin::SetMargins (
00248     MarginsType const margins_type,
00249     ScreenCoordVector2 const &margins)
00250 {
00251     ASSERT1(margins_type < MARGINS_TYPE_COUNT);
00252     ASSERT1(margins[Dim::X] >= 0);
00253     ASSERT1(margins[Dim::Y] >= 0);
00254     m_margins_specification[margins_type].m_margins = margins;
00255     m_margins_specification[margins_type].m_margin_ratios =
00256         RatiosFromScreenCoords(margins);
00257 }
00258 
00259 void WidgetSkin::UpdateFontHeight (FontType const font_type)
00260 {
00261     ASSERT1(font_type < FONT_TYPE_COUNT);
00262     m_font_specification[font_type].m_font_height =
00263         ScreenCoordFromRatio(
00264             m_font_specification[font_type].m_font_height_ratio);
00265 }
00266 
00267 void WidgetSkin::UpdateMargins (MarginsType const margins_type)
00268 {
00269     ASSERT1(margins_type < MARGINS_TYPE_COUNT);
00270     m_margins_specification[margins_type].m_margins =
00271         ScreenCoordsFromRatios(
00272             m_margins_specification[margins_type].m_margin_ratios);
00273 }
00274 
00275 } // end of namespace Xrb