gfx_func.h

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00001 /* $Id: gfx_func.h 26024 2013-11-17 13:35:48Z rubidium $ */
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 #include "string_type.h"
00048 
00049 void GameLoop();
00050 
00051 void CreateConsole();
00052 
00053 extern byte _dirkeys;        
00054 extern bool _fullscreen;
00055 extern CursorVars _cursor;
00056 extern bool _ctrl_pressed;   
00057 extern bool _shift_pressed;  
00058 extern byte _fast_forward;
00059 
00060 extern bool _left_button_down;
00061 extern bool _left_button_clicked;
00062 extern bool _right_button_down;
00063 extern bool _right_button_clicked;
00064 
00065 extern DrawPixelInfo _screen;
00066 extern bool _screen_disable_anim;   
00067 
00068 extern int _num_resolutions;
00069 extern Dimension _resolutions[32];
00070 extern Dimension _cur_resolution;
00071 extern Palette _cur_palette; 
00072 
00073 void HandleKeypress(uint keycode, WChar key);
00074 void HandleTextInput(const char *str, bool marked = false, const char *caret = NULL, const char *insert_location = NULL, const char *replacement_end = NULL);
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 };
00111 DECLARE_ENUM_AS_BIT_SET(StringAlignment)
00112 
00113 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);
00114 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);
00115 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);
00116 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);
00117 
00118 void DrawCharCentered(uint32 c, int x, int y, TextColour colour);
00119 
00120 void GfxFillRect(int left, int top, int right, int bottom, int colour, FillRectMode mode = FILLRECT_OPAQUE);
00121 void GfxDrawLine(int left, int top, int right, int bottom, int colour, int width = 1);
00122 void DrawBox(int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3);
00123 
00124 Dimension GetStringBoundingBox(const char *str, FontSize start_fontsize = FS_NORMAL);
00125 Dimension GetStringBoundingBox(StringID strid);
00126 int GetStringHeight(StringID str, int maxw);
00127 int GetStringLineCount(StringID str, int maxw);
00128 Dimension GetStringMultiLineBoundingBox(StringID str, const Dimension &suggestion);
00129 Dimension GetStringMultiLineBoundingBox(const char *str, const Dimension &suggestion);
00130 void LoadStringWidthTable(bool monospace = false);
00131 Point GetCharPosInString(const char *str, const char *ch, FontSize start_fontsize = FS_NORMAL);
00132 const char *GetCharAtPosition(const char *str, int x, FontSize start_fontsize = FS_NORMAL);
00133 
00134 void DrawDirtyBlocks();
00135 void SetDirtyBlocks(int left, int top, int right, int bottom);
00136 void MarkWholeScreenDirty();
00137 
00138 void GfxInitPalettes();
00139 
00140 bool FillDrawPixelInfo(DrawPixelInfo *n, int left, int top, int width, int height);
00141 
00142 /* window.cpp */
00143 void DrawOverlappedWindowForAll(int left, int top, int right, int bottom);
00144 
00145 void SetMouseCursor(CursorID cursor, PaletteID pal);
00146 void SetAnimatedMouseCursor(const AnimCursor *table);
00147 void CursorTick();
00148 void UpdateCursorSize();
00149 bool ChangeResInGame(int w, int h);
00150 void SortResolutions(int count);
00151 bool ToggleFullScreen(bool fs);
00152 
00153 /* gfx.cpp */
00154 byte GetCharacterWidth(FontSize size, uint32 key);
00155 byte GetDigitWidth(FontSize size = FS_NORMAL);
00156 void GetBroadestDigit(uint *front, uint *next, FontSize size = FS_NORMAL);
00157 
00158 int GetCharacterHeight(FontSize size);
00159 
00161 #define FONT_HEIGHT_SMALL  (GetCharacterHeight(FS_SMALL))
00162 
00164 #define FONT_HEIGHT_NORMAL (GetCharacterHeight(FS_NORMAL))
00165 
00167 #define FONT_HEIGHT_LARGE  (GetCharacterHeight(FS_LARGE))
00168 
00170 #define FONT_HEIGHT_MONO  (GetCharacterHeight(FS_MONO))
00171 
00172 extern DrawPixelInfo *_cur_dpi;
00173 
00174 TextColour GetContrastColour(uint8 background);
00175 
00180 extern byte _colour_gradient[COLOUR_END][8];
00181 
00182 extern bool _palette_remap_grf[];
00183 
00189 #define GREY_SCALE(level) (level)
00190 
00191 static const uint8 PC_BLACK              = GREY_SCALE(1);  
00192 static const uint8 PC_DARK_GREY          = GREY_SCALE(6);  
00193 static const uint8 PC_GREY               = GREY_SCALE(10); 
00194 static const uint8 PC_WHITE              = GREY_SCALE(15); 
00195 
00196 static const uint8 PC_VERY_DARK_RED      = 0xB2;           
00197 static const uint8 PC_DARK_RED           = 0xB4;           
00198 static const uint8 PC_RED                = 0xB8;           
00199 
00200 static const uint8 PC_VERY_DARK_BROWN    = 0x56;           
00201 
00202 static const uint8 PC_ORANGE             = 0xC2;           
00203 
00204 static const uint8 PC_YELLOW             = 0xBF;           
00205 static const uint8 PC_LIGHT_YELLOW       = 0x44;           
00206 static const uint8 PC_VERY_LIGHT_YELLOW  = 0x45;           
00207 
00208 static const uint8 PC_GREEN              = 0xD0;           
00209 
00210 static const uint8 PC_DARK_BLUE          = 0x9D;           
00211 static const uint8 PC_LIGHT_BLUE         = 0x98;           
00212 
00213 #endif /* GFX_FUNC_H */