Crazy Eddie's GUI System
0.8.4
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00001 /*********************************************************************** 00002 created: Sun Sep 18 2005 00003 author: Paul D Turner <paul@cegui.org.uk> 00004 *************************************************************************/ 00005 /*************************************************************************** 00006 * Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team 00007 * 00008 * Permission is hereby granted, free of charge, to any person obtaining 00009 * a copy of this software and associated documentation files (the 00010 * "Software"), to deal in the Software without restriction, including 00011 * without limitation the rights to use, copy, modify, merge, publish, 00012 * distribute, sublicense, and/or sell copies of the Software, and to 00013 * permit persons to whom the Software is furnished to do so, subject to 00014 * the following conditions: 00015 * 00016 * The above copyright notice and this permission notice shall be 00017 * included in all copies or substantial portions of the Software. 00018 * 00019 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00020 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00021 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 00022 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR 00023 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 00024 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 00025 * OTHER DEALINGS IN THE SOFTWARE. 00026 ***************************************************************************/ 00027 #ifndef _CEGUICoordConverter_h_ 00028 #define _CEGUICoordConverter_h_ 00029 00030 #include "CEGUI/UDim.h" 00031 #include "CEGUI/Vector.h" 00032 #include "CEGUI/Size.h" 00033 #include "CEGUI/Rect.h" 00034 00035 // Start of CEGUI namespace section 00036 namespace CEGUI 00037 { 00044 class CEGUIEXPORT CoordConverter 00045 { 00046 public: 00062 inline static float alignToPixels(float x) 00063 { 00064 return (float)(int)(( x ) + (( x ) > 0.0f ? 0.5f : -0.5f)); 00065 } 00066 00071 inline static float asAbsolute(const UDim& u, float base, bool pixelAlign = true) 00072 { 00073 return pixelAlign ? alignToPixels(base * u.d_scale + u.d_offset) : base * u.d_scale + u.d_offset; 00074 } 00075 00080 inline static float asRelative(const UDim& u, float base) 00081 { 00082 return (base != 0.0f) ? u.d_offset / base + u.d_scale : 0.0f; 00083 } 00084 00089 inline static Vector2f asAbsolute(const Vector2<UDim>& v, const Sizef& base, bool pixelAlign = true) 00090 { 00091 return Vector2f(asAbsolute(v.d_x, base.d_width, pixelAlign), asAbsolute(v.d_y, base.d_height, pixelAlign)); 00092 } 00093 00098 inline static Vector2f asRelative(const Vector2<UDim>& v, const Sizef& base) 00099 { 00100 return Vector2f(asRelative(v.d_x, base.d_width), asRelative(v.d_y, base.d_height)); 00101 } 00102 00107 inline static Sizef asAbsolute(const Size<UDim>& v, const Sizef& base, bool pixelAlign = true) 00108 { 00109 return Sizef(asAbsolute(v.d_width, base.d_width, pixelAlign), asAbsolute(v.d_height, base.d_height, pixelAlign)); 00110 } 00111 00116 inline static Sizef asRelative(const Size<UDim>& v, const Sizef& base) 00117 { 00118 return Sizef(asRelative(v.d_width, base.d_width), asRelative(v.d_height, base.d_height)); 00119 } 00120 00121 inline static Rectf asAbsolute(const URect& r, const Sizef& base, bool pixelAlign = true) 00122 { 00123 return Rectf( 00124 asAbsolute(r.d_min.d_x, base.d_width, pixelAlign), 00125 asAbsolute(r.d_min.d_y, base.d_height, pixelAlign), 00126 asAbsolute(r.d_max.d_x, base.d_width, pixelAlign), 00127 asAbsolute(r.d_max.d_y, base.d_height, pixelAlign) 00128 ); 00129 } 00130 00131 inline static Rectf asRelative(const URect& r, const Sizef& base) 00132 { 00133 return Rectf( 00134 asRelative(r.d_min.d_x, base.d_width), 00135 asRelative(r.d_min.d_y, base.d_height), 00136 asRelative(r.d_max.d_x, base.d_width), 00137 asRelative(r.d_max.d_y, base.d_height) 00138 ); 00139 } 00140 00156 static float screenToWindowX(const Window& window, const UDim& x); 00157 00173 static float screenToWindowX(const Window& window, const float x); 00174 00190 static float screenToWindowY(const Window& window, const UDim& y); 00191 00207 static float screenToWindowY(const Window& window, const float y); 00208 00224 static Vector2f screenToWindow(const Window& window, const UVector2& vec); 00225 00241 static Vector2f screenToWindow(const Window& window, const Vector2f& vec); 00242 00257 static Rectf screenToWindow(const Window& window, const URect& rect); 00258 00273 static Rectf screenToWindow(const Window& window, const Rectf& rect); 00274 00275 private: 00277 CoordConverter(); 00278 00290 static float getBaseXValue(const Window& window); 00291 00303 static float getBaseYValue(const Window& window); 00304 00316 static Vector2f getBaseValue(const Window& window); 00317 }; 00318 00319 } // End of CEGUI namespace section 00320 00321 00322 #endif // end of guard _CEGUICoordConverter_h_