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);
00092 void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub = NULL);
00093 
00095 enum StringAlignment {
00096   SA_LEFT        = 0 << 0, 
00097   SA_HOR_CENTER  = 1 << 0, 
00098   SA_RIGHT       = 2 << 0, 
00099   SA_HOR_MASK    = 3 << 0, 
00100 
00101   SA_TOP         = 0 << 2, 
00102   SA_VERT_CENTER = 1 << 2, 
00103   SA_BOTTOM      = 2 << 2, 
00104   SA_VERT_MASK   = 3 << 2, 
00105 
00106   SA_CENTER      = SA_HOR_CENTER | SA_VERT_CENTER, 
00107 
00108   SA_FORCE       = 1 << 4, 
00109   SA_STRIP       = 1 << 5, 
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);
00114 int DrawString(int left, int right, int top, StringID str, TextColour colour = TC_FROMSTRING, StringAlignment align = SA_LEFT, bool underline = false);
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);
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);
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);
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 uint32 FormatStringLinebreaks(char *str, const char *last, int maxw, FontSize start_fontsize = FS_NORMAL);
00127 int GetStringHeight(StringID str, int maxw);
00128 Dimension GetStringMultiLineBoundingBox(StringID str, const Dimension &suggestion);
00129 void LoadStringWidthTable();
00130 
00131 void DrawDirtyBlocks();
00132 void SetDirtyBlocks(int left, int top, int right, int bottom);
00133 void MarkWholeScreenDirty();
00134 
00135 void GfxInitPalettes();
00136 
00137 bool FillDrawPixelInfo(DrawPixelInfo *n, int left, int top, int width, int height);
00138 
00139 /* window.cpp */
00140 void DrawOverlappedWindowForAll(int left, int top, int right, int bottom);
00141 
00142 void SetMouseCursor(CursorID cursor, PaletteID pal);
00143 void SetAnimatedMouseCursor(const AnimCursor *table);
00144 void CursorTick();
00145 void UpdateCursorSize();
00146 bool ChangeResInGame(int w, int h);
00147 void SortResolutions(int count);
00148 bool ToggleFullScreen(bool fs);
00149 
00150 /* gfx.cpp */
00151 byte GetCharacterWidth(FontSize size, uint32 key);
00152 byte GetDigitWidth(FontSize size = FS_NORMAL);
00153 
00159 static inline byte GetCharacterHeight(FontSize size)
00160 {
00161   assert(size < FS_END);
00162   extern int _font_height[FS_END];
00163   return _font_height[size];
00164 }
00165 
00167 #define FONT_HEIGHT_SMALL  (GetCharacterHeight(FS_SMALL))
00168 
00170 #define FONT_HEIGHT_NORMAL (GetCharacterHeight(FS_NORMAL))
00171 
00173 #define FONT_HEIGHT_LARGE  (GetCharacterHeight(FS_LARGE))
00174 
00175 extern DrawPixelInfo *_cur_dpi;
00176 
00181 extern byte _colour_gradient[COLOUR_END][8];
00182 
00183 extern PaletteType _use_palette;
00184 extern bool _palette_remap_grf[];
00185 extern const byte *_palette_remap;
00186 extern const byte *_palette_reverse_remap;
00187 
00188 #endif /* GFX_FUNC_H */

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