gfx/lunapaint/src/app/canvas.h

   1 /****************************************************************************
   2 *                                                                           *
   3 * canvas.h -- Lunapaint,                                                    *
   4 *    http://developer.berlios.de/projects/lunapaintami/                     *
   5 * Copyright (C) 2006, 2007, Hogne Titlestad <hogga@sub-ether.org>           *
   6 * Copyright (C) 2009-2011 LunaPaint Development Team                        *
   7 *                                                                           *
   8 * This program is free software; you can redistribute it and/or modify      *
   9 * it under the terms of the GNU General Public License as published by      *
  10 * the Free Software Foundation; either version 2 of the License, or         *
  11 * (at your option) any later version.                                       *
  12 *                                                                           *
  13 * This program is distributed in the hope that it will be useful,           *
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
  16 * GNU General Public License for more details.                              *
  17 *                                                                           *
  18 * You should have received a copy of the GNU General Public License         *
  19 * along with this program; if not, write to the Free Software Foundation,   *
  20 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.            *
  21 *                                                                           *
  22 ****************************************************************************/
  23
  24 #ifndef _aros_canvas_h_
  25 #define _aros_canvas_h_
  26
  27 #define LNCATAGBASE (TAG_USER+300)
  28
  29 #define MUIM_Luna_Canvas_ClearActiveCanvas  (LNCATAGBASE+0)
  30 #define MUIM_Luna_Canvas_SetPaintMode       (LNCATAGBASE+1)
  31 #define MUIM_Luna_Canvas_AlterBrushShape    (LNCATAGBASE+2)
  32 #define MUIM_Luna_Canvas_AlterBrushStep     (LNCATAGBASE+3)
  33 #define MUIM_Luna_Canvas_AlterBrushStrength (LNCATAGBASE+4)
  34 #define MUIM_Luna_Canvas_CanvasAddLayer     (LNCATAGBASE+5)
  35 #define MUIM_Luna_Canvas_CanvasSwapLayer    (LNCATAGBASE+6)
  36 #define MUIM_Luna_Canvas_CanvasDeleteLayer  (LNCATAGBASE+7)
  37 #define MUIM_Luna_Canvas_CanvasMergeLayer   (LNCATAGBASE+8)
  38 #define MUIM_Luna_Canvas_CanvasCopyLayer    (LNCATAGBASE+9)
  39 #define MUIM_Luna_Canvas_ChangeOnionskin    (LNCATAGBASE+10)
  40 #define MUIM_Luna_Canvas_ChangeScrollOffset (LNCATAGBASE+11)
  41 #define MUIM_Luna_Canvas_SetGlobalGrid      (LNCATAGBASE+12)
  42 #define MUIM_Luna_Canvas_SetGridSize        (LNCATAGBASE+13)
  43 #define MUIM_Luna_Canvas_SetColorMode       (LNCATAGBASE+14)
  44 #define MUIM_Luna_Canvas_NextFrame          (LNCATAGBASE+15)
  45 #define MUIM_Luna_Canvas_PrevFrame          (LNCATAGBASE+16)
  46 #define MUIM_Luna_Canvas_GotoFrame          (LNCATAGBASE+17)
  47 #define MUIM_Luna_Canvas_EffectOffset       (LNCATAGBASE+18)
  48 #define MUIM_Luna_Canvas_OpenPaletteEditor  (LNCATAGBASE+19)
  49 #define MUIM_Luna_Canvas_ScrollingNotify    (LNCATAGBASE+20)
  50 #define MUIM_Luna_Canvas_RedrawArea         (LNCATAGBASE+21)
  51 #define MUIM_Luna_Canvas_Redraw             (LNCATAGBASE+22)
  52
  53 // Paint tool keys
  54 #define MUIA_Key_F          1001
  55 #define MUIA_Key_D          1002
  56 #define MUIA_Key_V          1003
  57 #define MUIA_Key_L          1004
  58 #define MUIA_Key_E          1005
  59 #define MUIA_Key_R          1006
  60 #define MUIA_Key_O          1007
  61 #define MUIA_Key_B          1008
  62 // Buffer keys
  63 #define MUIA_Key_J          1050
  64 #define MUIA_Key_Shift_J    1051
  65 #define MUIA_Key_X          1052
  66 #define MUIA_Key_Y          1053
  67 #define MUIA_Key_Up         1054
  68 #define MUIA_Key_Left       1055
  69 #define MUIA_Key_Right      1056
  70 #define MUIA_Key_Down       1057
  71 // Effect keys
  72 #define MUIA_Key_F1         1100
  73 #define MUIA_Key_F2         1101
  74 #define MUIA_Key_F3         1102
  75 #define MUIA_Key_F4         1103
  76 #define MUIA_Key_F5         1104
  77 #define MUIA_Key_F6         1105
  78 #define MUIA_Key_F7         1106
  79 #define MUIA_Key_F8         1107
  80 #define MUIA_Key_F9         1108
  81 // Color keys
  82 #define MUIA_Key_Shift_Comma    1200
  83 #define MUIA_Key_Comma          1201
  84
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87
  88 #include <exec/types.h>
  89 #include <datatypes/datatypes.h>
  90 #include <libraries/asl.h>
  91 #include <libraries/mui.h>
  92 #include <cybergraphx/cybergraphics.h>
  93
  94 #include <math.h>
  95 #include <devices/rawkeycodes.h>
  96 #include <proto/exec.h>
  97 #include <proto/intuition.h>
  98 #include <proto/datatypes.h>
  99 #include <proto/gadtools.h>
 100 #include <proto/muimaster.h>
 101 #include <proto/graphics.h>
 102 #include <proto/cybergraphics.h>
 103 #include <clib/alib_protos.h>
 104 #include <string.h>
 105
 106 #ifdef __AROS__
 107 #define DEBUG 1
 108 #include <aros/debug.h>
 109 #endif
 110
 111 #ifndef __AROS__
 112 #include "aros/aros.h"
 113 #endif
 114
 115 #include "parts.h"
 116 #include "toolbox.h"
 117 #include "layers.h"
 118 #include "project.h"
 119
 120 #include "config.h"
 121
 122 #include "core/canvas.h"
 123 #include "core/tools.h"
 124 #include "math/math.h"
 125 #include "common.h"
 126
 127 extern BOOL isZooming;
 128 extern BOOL isScrolling;
 129 extern BOOL fullscreenEditing;
 130 extern int AskMinMaxTimes;
 131
 132 /*
 133     For editing in fullscreen mode
 134 */
 135 extern Object *windowFullscreen;
 136 extern Object *fullscreenGroup;
 137
 138 /*
 139     For our dispatcher:
 140 */
 141 IPTR MUIM_RGB_Draw ( Class *CLASS, Object *self, Msg message );
 142 IPTR MUIM_RGB_Redraw ( );
 143 IPTR MUIM_RGB_RedrawArea ( );
 144 IPTR MUIM_RGB_HandleInput ( Class *CLASS, Object *self, Msg message );
 145 IPTR MUIM_RGB_Setup ( Class *CLASS, Object *self, Msg message );
 146 IPTR MUIM_RGB_Cleanup ( Class *CLASS, Object *self, Msg message );
 147 IPTR MUIM_RGB_ScrollingNotify ( );
 148 IPTR MUIM_RGB_CanvasActivate ( Class *CLASS, Object *self, Msg message );
 149 IPTR MUIM_RGB_CanvasDeactivate ( Class *CLASS, Object *self, Msg message );
 150 IPTR MUIM_RGB_ZoomIn ( );
 151 IPTR MUIM_RGB_ZoomOut ( );
 152 IPTR MUIM_RGB_ShowAll ( );
 153 IPTR MUIM_RGB_AskMinMax ( Class *CLASS, Object *self, Msg message );
 154 IPTR MUIM_RGB_CloseCanvasWin ( Class *CLASS, Object *self, Msg message );
 155
 156 /*
 157     Setup keyboard shortcuts on canvas and toolbox
 158 */
 159 void checkKeyboardShortcuts ( UWORD stri );
 160
 161 /*
 162     Move canvas
 163 */
 164 void moveScrollbarUp ( );
 165 void moveScrollbarDown ( );
 166 void moveScrollbarLeft ( );
 167 void moveScrollbarRight ( );
 168
 169 /*
 170     Redraw the area object with canvas data
 171     Private function!!
 172 */
 173 IPTR _RGBitmapRedraw ( Class *CLASS, Object *self );
 174
 175 /*
 176     Update Frame: 1/1 etc
 177 */
 178 void UpdateCanvasInfo ( struct WindowList *win );
 179
 180 /*
 181     Scroll the active canvas
 182 */
 183 IPTR ScrollCanvas ( int x, int y );
 184
 185 /*
 186     Snap offset coords to zoom (globalactivecanvas)
 187 */
 188 void SnapOffsetToZoom ( struct oCanvas *canv );
 189
 190 /*
 191     Check if active window has changed and
 192     redraw if it has
 193 */
 194 void winHasChanged ( );
 195
 196 /*
 197     Store mouse coordinates into the global variables
 198 */
 199 void getMouseCoordinates ( );
 200
 201 /*
 202     This function adds a canvas window to the canvas window list
 203     ( canwinlist )
 204 */
 205 void addCanvaswindow (
 206     unsigned int width, unsigned int height,
 207     unsigned int layers, unsigned int frames,
 208     BOOL generateCanvas
 209 );
 210
 211 /*
 212     Show/Hide the fullscreen editing window
 213 */
 214 void showFullscreenWindow ( struct oCanvas *canvas );
 215 void hideFullscreenWindow ( );
 216
 217 /*
 218     Contstrain offset values within scope of canvas
 219 */
 220 void constrainOffset ( struct oCanvas *canvas );
 221
 222 /*
 223     Test if we're hitting "walls"
 224 */
 225 void snapToBounds ( int *x, int *y );
 226
 227 /*
 228     This function sends back a pointer to a window object
 229 */
 230 Object *getCanvaswindowById ( unsigned int id );
 231
 232 /*
 233     This function sends back a pointer to the window struct
 234 */
 235 struct WindowList *getCanvasDataById ( unsigned int id );
 236
 237 /*
 238     Import an image rawly! :-D
 239 */
 240 void importImageRAW ( unsigned int w, unsigned int h, unsigned long long int *buffer );
 241
 242 /*
 243     Load an image through datatypes
 244 */
 245 BOOL loadDatatypeImage ( );
 246
 247 /*
 248     Free memory
 249 */
 250 void deleteCanvaswindows ( );
 251
 252 /*
 253     Remove a single canvas window and it's structure
 254 */
 255 IPTR removeActiveWindow ( Class *CLASS, Object *self );
 256
 257 /*
 258     Blit over a rect to the area from a canvas
 259 */
 260 void blitAreaRect (
 261     int x, int y, int w, int h,
 262     struct oCanvas* canvas, struct RastPort *rp
 263 );
 264
 265 /*
 266     Special mode, blit overlay toolpreview
 267 */
 268 void blitToolPreview ( int x, int y, int w, int h );
 269
 270 /*
 271     Removes previous tool preview blit from the painting
 272 */
 273 void removePrevToolPreview ( );
 274
 275 /*
 276     Calls blitAreaRect over a hovered over part of the screen
 277     to show the current brush or a clipbrush
 278 */
 279 void callToolPreview ( );
 280
 281 /*
 282     Get geometry of the canvas area
 283     PRIVATE functions
 284 */
 285 ULONG _getAreaWidth ( );
 286 ULONG _getAreaHeight ( );
 287 ULONG _getAreaTop ( );
 288 ULONG _getAreaLeft ( );
 289 ULONG _getAreaOffsetX ( );
 290 ULONG _getAreaOffsetY ( );
 291
 292 #endif