gfx_func.h

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00042 #ifndef GFX_FUNC_H
00043 #define GFX_FUNC_H
00044 
00045 #include "gfx_type.h"
00046 #include "strings_type.h"
00047 
00048 void GameLoop();
00049 
00050 void CreateConsole();
00051 
00052 extern byte _dirkeys;        
00053 extern bool _fullscreen;
00054 extern CursorVars _cursor;
00055 extern bool _ctrl_pressed;   
00056 extern bool _shift_pressed;  
00057 extern byte _fast_forward;
00058 
00059 extern bool _left_button_down;
00060 extern bool _left_button_clicked;
00061 extern bool _right_button_down;
00062 extern bool _right_button_clicked;
00063 
00064 extern DrawPixelInfo _screen;
00065 extern bool _screen_disable_anim;   
00066 
00067 extern int _pal_first_dirty;
00068 extern int _pal_count_dirty;
00069 extern int _num_resolutions;
00070 extern Dimension _resolutions[32];
00071 extern Dimension _cur_resolution;
00072 extern Colour _cur_palette[256]; 
00073 
00074 void HandleKeypress(uint32 key);
00075 void HandleCtrlChanged();
00076 void HandleMouseEvents();
00077 void CSleep(int milliseconds);
00078 void UpdateWindows();
00079 
00080 void DrawMouseCursor();
00081 void ScreenSizeChanged();
00082 void GameSizeChanged();
00083 void UndrawMouseCursor();
00084 
00086 static const int DRAW_STRING_BUFFER = 2048;
00087 
00088 void RedrawScreenRect(int left, int top, int right, int bottom);
00089 void GfxScroll(int left, int top, int width, int height, int xo, int yo);
00090 
00091 Dimension GetSpriteSize(SpriteID sprid, Point *offset = NULL, ZoomLevel zoom = ZOOM_LVL_GUI);
00092 void DrawSpriteViewport(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub = NULL);
00093 void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub = NULL, ZoomLevel zoom = ZOOM_LVL_GUI);
00094 
00096 enum StringAlignment {
00097   SA_LEFT        = 0 << 0, 
00098   SA_HOR_CENTER  = 1 << 0, 
00099   SA_RIGHT       = 2 << 0, 
00100   SA_HOR_MASK    = 3 << 0, 
00101 
00102   SA_TOP         = 0 << 2, 
00103   SA_VERT_CENTER = 1 << 2, 
00104   SA_BOTTOM      = 2 << 2, 
00105   SA_VERT_MASK   = 3 << 2, 
00106 
00107   SA_CENTER      = SA_HOR_CENTER | SA_VERT_CENTER, 
00108 
00109   SA_FORCE       = 1 << 4, 
00110   SA_STRIP       = 1 << 5, 
00111 };
00112 DECLARE_ENUM_AS_BIT_SET(StringAlignment)
00113 
00114 int DrawString(int left, int right, int top, const char *str, TextColour colour = TC_FROMSTRING, StringAlignment align = SA_LEFT, bool underline = false, FontSize fontsize = FS_NORMAL);
00115 int DrawString(int left, int right, int top, StringID str, TextColour colour = TC_FROMSTRING, StringAlignment align = SA_LEFT, bool underline = false, FontSize fontsize = FS_NORMAL);
00116 int DrawStringMultiLine(int left, int right, int top, int bottom, const char *str, TextColour colour = TC_FROMSTRING, StringAlignment align = (SA_TOP | SA_LEFT), bool underline = false, FontSize fontsize = FS_NORMAL);
00117 int DrawStringMultiLine(int left, int right, int top, int bottom, StringID str, TextColour colour = TC_FROMSTRING, StringAlignment align = (SA_TOP | SA_LEFT), bool underline = false, FontSize fontsize = FS_NORMAL);
00118 
00119 void DrawCharCentered(uint32 c, int x, int y, TextColour colour);
00120 
00121 void GfxFillRect(int left, int top, int right, int bottom, int colour, FillRectMode mode = FILLRECT_OPAQUE);
00122 void GfxDrawLine(int left, int top, int right, int bottom, int colour, int width = 1);
00123 void DrawBox(int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3);
00124 
00125 Dimension GetStringBoundingBox(const char *str, FontSize start_fontsize = FS_NORMAL);
00126 Dimension GetStringBoundingBox(StringID strid);
00127 uint32 FormatStringLinebreaks(char *str, const char *last, int maxw, FontSize start_fontsize = FS_NORMAL);
00128 int GetStringHeight(StringID str, int maxw);
00129 Dimension GetStringMultiLineBoundingBox(StringID str, const Dimension &suggestion);
00130 void LoadStringWidthTable();
00131 
00132 void DrawDirtyBlocks();
00133 void SetDirtyBlocks(int left, int top, int right, int bottom);
00134 void MarkWholeScreenDirty();
00135 
00136 void GfxInitPalettes();
00137 
00138 bool FillDrawPixelInfo(DrawPixelInfo *n, int left, int top, int width, int height);
00139 
00140 /* window.cpp */
00141 void DrawOverlappedWindowForAll(int left, int top, int right, int bottom);
00142 
00143 void SetMouseCursor(CursorID cursor, PaletteID pal);
00144 void SetAnimatedMouseCursor(const AnimCursor *table);
00145 void CursorTick();
00146 void UpdateCursorSize();
00147 bool ChangeResInGame(int w, int h);
00148 void SortResolutions(int count);
00149 bool ToggleFullScreen(bool fs);
00150 
00151 /* gfx.cpp */
00152 byte GetCharacterWidth(FontSize size, uint32 key);
00153 byte GetDigitWidth(FontSize size = FS_NORMAL);
00154 
00160 static inline byte GetCharacterHeight(FontSize size)
00161 {
00162   assert(size < FS_END);
00163   extern int _font_height[FS_END];
00164   return _font_height[size];
00165 }
00166 
00168 #define FONT_HEIGHT_SMALL  (GetCharacterHeight(FS_SMALL))
00169 
00171 #define FONT_HEIGHT_NORMAL (GetCharacterHeight(FS_NORMAL))
00172 
00174 #define FONT_HEIGHT_LARGE  (GetCharacterHeight(FS_LARGE))
00175 
00177 #define FONT_HEIGHT_MONO  (GetCharacterHeight(FS_MONO))
00178 
00179 extern DrawPixelInfo *_cur_dpi;
00180 
00185 extern byte _colour_gradient[COLOUR_END][8];
00186 
00187 extern bool _palette_remap_grf[];
00188 
00194 #define GREY_SCALE(level) (level)
00195 
00196 static const uint8 PC_BLACK              = GREY_SCALE(1);  
00197 static const uint8 PC_DARK_GREY          = GREY_SCALE(6);  
00198 static const uint8 PC_GREY               = GREY_SCALE(10); 
00199 static const uint8 PC_WHITE              = GREY_SCALE(15); 
00200 
00201 static const uint8 PC_VERY_DARK_RED      = 0xB2;           
00202 static const uint8 PC_DARK_RED           = 0xB4;           
00203 static const uint8 PC_RED                = 0xB8;           
00204 
00205 static const uint8 PC_VERY_DARK_BROWN    = 0x56;           
00206 
00207 static const uint8 PC_ORANGE             = 0xC2;           
00208 
00209 static const uint8 PC_YELLOW             = 0xBF;           
00210 static const uint8 PC_LIGHT_YELLOW       = 0x44;           
00211 static const uint8 PC_VERY_LIGHT_YELLOW  = 0x45;           
00212 
00213 static const uint8 PC_GREEN              = 0xD0;           
00214 
00215 static const uint8 PC_DARK_BLUE          = 0x9D;           
00216 static const uint8 PC_LIGHT_BLUE         = 0x98;           
00217 
00218 #endif /* GFX_FUNC_H */