mcs/class/Mono.Cairo/Mono.Cairo/Cairo.cs

   1 //
   2 // Mono.Cairo.Cairo.cs
   3 //
   4 // Author: Duncan Mak (duncan@ximian.com)
   5 //
   6 // (C) Ximian, Inc. 2003
   7 //
   8 // This is a simplistic binding of the Cairo API to C#. All functions
   9 // in cairo.h are transcribed into their C# equivelants and all
  10 // enumerations are also listed here.
  11 //
  12
  13 using System;
  14 using System.Drawing;
  15 using System.Runtime.InteropServices;
  16
  17 namespace Mono.Cairo {
  18
  19         public class Cairo
  20         {
  21                 const string CairoImp = "cairo";
  22                 //
  23                 // Manipulating state objects
  24                 //
  25                 [DllImport (CairoImp)]
  26                 public static extern IntPtr cairo_create ();
  27
  28                 [DllImport (CairoImp)]
  29                 public static extern IntPtr cairo_destroy (IntPtr cr);
  30
  31                 [DllImport (CairoImp)]
  32                 public static extern void cairo_save (IntPtr cr);
  33
  34                 [DllImport (CairoImp)]
  35                 public static extern void cairo_restore (IntPtr cr);
  36
  37                 //
  38                 // Modify state
  39                 //
  40                 [DllImport (CairoImp)]
  41                 public static extern void cairo_set_target_surface (IntPtr cr, IntPtr surface);
  42
  43                 [DllImport (CairoImp)]
  44                 public static extern void cairo_set_target_image (
  45                         IntPtr cr, string data, Cairo.Format format, int width, int height, int stride);
  46
  47                 [DllImport (CairoImp)]
  48                 public static extern void cairo_set_operator (IntPtr cr, Cairo.Operator op);
  49
  50                 [DllImport (CairoImp)]
  51                 public static extern void cairo_set_rgb_color (IntPtr cr, double red, double green, double blue);
  52
  53                 [DllImport (CairoImp)]
  54                 public static extern void cairo_set_alpha (IntPtr cr, double alpha);
  55
  56                 [DllImport (CairoImp)]
  57                 public static extern void cairo_set_pattern (IntPtr cr, IntPtr pattern);
  58
  59                 [DllImport (CairoImp)]
  60                 public static extern void cairo_set_tolerence (IntPtr cr, double tolerance);
  61
  62                 [DllImport (CairoImp)]
  63                 public static extern void cairo_set_fill_rule (IntPtr cr, Cairo.FillRule fill_rule);
  64
  65                 [DllImport (CairoImp)]
  66                 public static extern void cairo_set_line_width (IntPtr cr, double width);
  67
  68                 [DllImport (CairoImp)]
  69                 public static extern void cairo_set_line_cap (IntPtr cr, Cairo.LineCap line_cap);
  70
  71                 [DllImport (CairoImp)]
  72                 public static extern void cairo_set_line_join (IntPtr cr, Cairo.LineJoin line_join);
  73
  74                 [DllImport (CairoImp)]
  75                 public static extern void cairo_set_dash (IntPtr cr, double [] dashes, int ndash, double offset);
  76
  77                 [DllImport (CairoImp)]
  78                 public static extern void cairo_set_miter_limit (IntPtr cr, double limit);
  79
  80                 [DllImport (CairoImp)]
  81                 public static extern void cairo_translate (IntPtr cr, double tx, double ty);
  82
  83                 [DllImport (CairoImp)]
  84                 public static extern void cairo_scale (IntPtr cr, double sx, double sy);
  85
  86                 [DllImport (CairoImp)]
  87                 public static extern void cairo_rotate (IntPtr cr, double angle);
  88
  89                 [DllImport (CairoImp)]
  90                 public static extern void cairo_concat_matrix (IntPtr cr, IntPtr matrix);
  91
  92                 [DllImport (CairoImp)]
  93                 public static extern void cairo_set_matrix (IntPtr cr, IntPtr matrix);
  94
  95                 [DllImport (CairoImp)]
  96                 public static extern void cairo_default_matrix (IntPtr cr);
  97
  98                 [DllImport (CairoImp)]
  99                 public static extern void cairo_identity_matrix (IntPtr cr);
 100
 101                 [DllImport (CairoImp)]
 102                 public static extern void cairo_transform_point (IntPtr cr, ref double x, ref double y);
 103
 104                 [DllImport (CairoImp)]
 105                 public static extern void cairo_transform_distance (IntPtr cr, ref double dx, ref double dy);
 106
 107                 [DllImport (CairoImp)]
 108                 public static extern void cairo_inverse_transform_point (IntPtr cr, ref double x, ref double y);
 109
 110                 [DllImport (CairoImp)]
 111                 public static extern void cairo_inverse_transform_distance (IntPtr cr, ref double dx, ref double dy);
 112
 113                 //
 114                 // Path creation
 115                 //
 116                 [DllImport (CairoImp)]
 117                 public static extern void cairo_new_path (IntPtr cr);
 118
 119                 [DllImport (CairoImp)]
 120                 public static extern void cairo_move_to (IntPtr cr, double x, double y);
 121
 122                 [DllImport (CairoImp)]
 123                 public static extern void cairo_line_to (IntPtr cr, double x, double y);
 124
 125                 [DllImport (CairoImp)]
 126                 public static extern void cairo_curve_to (
 127                         IntPtr cr, double x1, double y1, double x2, double y2, double x3, double y3);
 128
 129                 [DllImport (CairoImp)]
 130                 public static extern void cairo_rel_move_to (IntPtr cr, double dx, double dy);
 131
 132                 [DllImport (CairoImp)]
 133                 public static extern void cairo_rel_line_to (IntPtr cr, double dx, double dy);
 134
 135                 [DllImport (CairoImp)]
 136                 public static extern void cairo_rel_curve_to (
 137                         IntPtr cr, double dx1, double dy1, double dx2, double dy2, double dx3, double dy3);
 138
 139                 [DllImport (CairoImp)]
 140                 public static extern void cairo_rectangle (IntPtr cr, double x, double y, double width, double height);
 141
 142                 [DllImport (CairoImp)]
 143                 public static extern void cairo_close_path (IntPtr cr);
 144
 145                 //
 146                 // Painting
 147                 //
 148                 [DllImport (CairoImp)]
 149                 public static extern void cairo_stroke (IntPtr cr);
 150
 151                 [DllImport (CairoImp)]
 152                 public static extern void cairo_fill (IntPtr cr);
 153
 154                 [DllImport (CairoImp)]
 155                 public static extern void cairo_clip (IntPtr cr);
 156
 157                 //
 158                 // Font / Text
 159                 //
 160                 [DllImport (CairoImp)]
 161                 public static extern void cairo_select_font (IntPtr cr, string key);
 162
 163                 [DllImport (CairoImp)]
 164                 public static extern void cairo_scale_font (IntPtr cr, double scale);
 165
 166                 [DllImport (CairoImp)]
 167                 public static extern void cairo_transform_font (
 168                         IntPtr cr, double a, double b, double c, double d);
 169
 170                 [DllImport (CairoImp)]
 171                 public static extern void cairo_text_extents (
 172                         IntPtr cr, string utf8,
 173                         ref double x, ref double y,
 174                         ref double width, ref double height,
 175                         ref double dx, ref double dy);
 176
 177                 [DllImport (CairoImp)]
 178                 public static extern void cairo_show_text (IntPtr cr, string utf8);
 179
 180                 //
 181                 // Image
 182                 //
 183                 [DllImport (CairoImp)]
 184                 public static extern void cairo_show_surface (IntPtr cr, IntPtr surface, int width, int height);
 185
 186                 //
 187                 // query
 188                 //
 189                 [DllImport (CairoImp)]
 190                 public static extern Cairo.Operator cairo_get_operator (IntPtr cr);
 191
 192                 [DllImport (CairoImp)]
 193                 public static extern void cairo_get_rgb_color (
 194                         IntPtr cr, out double red, out double green, out double blue);
 195
 196                 [DllImport (CairoImp)]
 197                 public static extern double cairo_get_alpha (IntPtr cr);
 198
 199                 [DllImport (CairoImp)]
 200                 public static extern double cairo_get_tolerence (IntPtr cr);
 201
 202                 [DllImport (CairoImp)]
 203                 public static extern void cairo_get_current_point (
 204                         IntPtr cr, out double x, out double y);
 205
 206                 [DllImport (CairoImp)]
 207                 public static extern Cairo.FillRule cairo_get_fill_rule (IntPtr cr);
 208
 209                 [DllImport (CairoImp)]
 210                 public static extern double cairo_get_line_width (IntPtr cr);
 211
 212                 [DllImport (CairoImp)]
 213                 public static extern LineCap cairo_get_line_cap (IntPtr cr);
 214
 215                 [DllImport (CairoImp)]
 216                 public static extern LineJoin cairo_get_line_join (IntPtr cr);
 217
 218                 [DllImport (CairoImp)]
 219                 public static extern double cairo_get_miter_limit (IntPtr cr);
 220
 221                 [DllImport (CairoImp)]
 222                 public static extern void cairo_get_matrix (
 223                         IntPtr cr,
 224                         out double a, out double b,
 225                         out double c, out double d,
 226                         out double tx, out double ty);
 227
 228                 public static extern void cairo_get_target_surface (IntPtr cr);
 229
 230                 //
 231                 // Error status queries
 232                 //
 233                 [DllImport (CairoImp)]
 234                 public static extern Cairo.Status cairo_get_status (IntPtr cr);
 235
 236                 [DllImport (CairoImp)]
 237                 public static extern string cairo_get_status_string (IntPtr cr);
 238
 239                 //
 240                 // Surface Manipulation
 241                 //
 242
 243                 //
 244                 // This is commented out because we don't have access
 245                 // to the X11 Drawable and Visual types.
 246                 //
 247 //              [DllImport (CairoImp)]
 248 //              public static extern IntPtr cairo_surface_create_for_drawable (
 249 //                      IntPtr display, Drawable drawable, IntPtr visual,
 250 //                      Cairo.Format format, Colormap colormap);
 251
 252                 [DllImport (CairoImp)]
 253                 public static extern IntPtr cairo_surface_create_for_image (
 254                         string data, Cairo.Format format, int width, int height, int stride);
 255
 256                 [DllImport (CairoImp)]
 257                 public static extern IntPtr cairo_surface_create_similar (
 258                         IntPtr surface, Cairo.Format format, int width, int height);
 259
 260                 [DllImport (CairoImp)]
 261                 public static extern IntPtr cairo_surface_create_similar_solid (
 262                         IntPtr surface, Cairo.Format format,
 263                         int width, int height, double red, double green, double blue, double alpha);
 264
 265                 [DllImport (CairoImp)]
 266                 public static extern void cairo_surface_destroy (IntPtr surface);
 267
 268                 [DllImport (CairoImp)]
 269                 public static extern Cairo.Status cairo_surface_put_image (
 270                         IntPtr surface, string data, int width, int height, int stride);
 271
 272                 [DllImport (CairoImp)]
 273                 public static extern Cairo.Status cairo_surface_set_repeat (
 274                         IntPtr surface, int repeat);
 275
 276                 [DllImport (CairoImp)]
 277                 public static extern Cairo.Status cairo_surface_set_matrix (
 278                         IntPtr surface, IntPtr matrix);
 279
 280                 [DllImport (CairoImp)]
 281                 public static extern Cairo.Status cairo_surface_get_matrix (
 282                         IntPtr surface, ref IntPtr matrix);
 283
 284                 [DllImport (CairoImp)]
 285                 public static extern Cairo.Status cairo_surface_set_filter (
 286                         IntPtr surface, Cairo.Filter filter);
 287
 288                 //
 289                 // Matrix
 290                 //
 291
 292                 [DllImport (CairoImp)]
 293                 public static extern IntPtr cairo_matrix_create ();
 294
 295                 [DllImport (CairoImp)]
 296                 public static extern void cairo_matrix_destroy (IntPtr matrix);
 297
 298                 [DllImport (CairoImp)]
 299                 public static extern Cairo.Status cairo_matrix_copy (
 300                         IntPtr matrix, out IntPtr other);
 301
 302                 [DllImport (CairoImp)]
 303                 public static extern Cairo.Status cairo_matrix_set_identity (IntPtr matrix);
 304
 305                 [DllImport (CairoImp)]
 306                 public static extern Cairo.Status cairo_matrix_set_affine (
 307                         IntPtr matrix,
 308                         double a, double b, double c, double d, double tx, double ty);
 309
 310                 [DllImport (CairoImp)]
 311                 public static extern Cairo.Status cairo_matrix_get_affine (
 312                         IntPtr matrix,
 313                         out double a, out double b, out double c, out double d, out double tx, out double ty);
 314
 315                 [DllImport (CairoImp)]
 316                 public static extern Cairo.Status cairo_matrix_translate (
 317                         IntPtr matrix, double tx, double ty);
 318
 319                 [DllImport (CairoImp)]
 320                 public static extern Cairo.Status cairo_matrix_scale (
 321                         IntPtr matrix, double sx, double sy);
 322
 323                 [DllImport (CairoImp)]
 324                 public static extern Cairo.Status cairo_matrix_rotate (
 325                         IntPtr matrix, double radians);
 326
 327                 [DllImport (CairoImp)]
 328                 public static extern Cairo.Status cairo_matrix_invert (IntPtr matrix);
 329
 330                 [DllImport (CairoImp)]
 331                 public static extern Cairo.Status cairo_matrix_multiply (
 332                         out IntPtr result, IntPtr a, IntPtr b);
 333
 334                 [DllImport (CairoImp)]
 335                 public static extern Cairo.Status cairo_matrix_transform_distance (
 336                         IntPtr matrix, ref double dx, ref double dy);
 337
 338                 [DllImport (CairoImp)]
 339                 public static extern Cairo.Status cairo_matrix_transform_point (
 340                         IntPtr matrix, ref double x, ref double y);
 341
 342                 public enum Format {
 343                         ARGB32 = 0,
 344                         RGB24 = 1,
 345                         A8 = 2,
 346                         A1 = 4
 347                 }
 348
 349                 public enum Operator {
 350                         Clear = 0,
 351                         Src = 1,
 352                         Dst = 2,
 353                         Over = 3,
 354                         OverReverse = 4,
 355                         In = 5,
 356                         InReverse = 6,
 357                         Out = 7,
 358                         OutReverse = 8,
 359                         Atop = 9,
 360                         AtopReverse = 10,
 361                         Xor = 11,
 362                         Add = 12,
 363                         Saturate = 13,
 364
 365                         DisjointClear = 16,
 366                         DisjointSrc = 17,
 367                         DisjointDst = 18,
 368                         DisjointOver = 19,
 369                         DisjointOverReverse = 20,
 370                         DisjointIn = 21,
 371                         DisjointInReverse = 22,
 372                         DisjointOut = 23,
 373                         DisjointOutReverse = 24,
 374                         DisjointAtop = 25,
 375                         DisjointAtopReverse = 26,
 376                         DisjointXor = 27,
 377
 378                         ConjointClear = 32,
 379                         ConjointSrc = 33,
 380                         ConjointDst = 34,
 381                         ConjointOver = 35,
 382                         ConjointOverReverse = 36,
 383                         ConjointIn = 37,
 384                         ConjointInReverse = 38,
 385                         ConjointOut = 39,
 386                         ConjointOutReverse = 40,
 387                         ConjointAtop = 41,
 388                         ConjointAtopReverse = 42,
 389                         ConjointXor = 43
 390                 }
 391
 392                 public enum FillRule {
 393                         Winding,
 394                         EvenOdd
 395                 }
 396
 397                 public enum LineCap {
 398                         Butt, Round, Square
 399                 }
 400
 401                 public enum LineJoin {
 402                         Miter, Round, Bevel
 403                 }
 404
 405                 public enum Status {
 406                         Success = 0,
 407                         NoMemory,
 408                         InvalidRestore,
 409                         InvalidPopGroup,
 410                         NoCurrentPoint,
 411                         InvalidMatrix
 412                 }
 413
 414                 public enum Filter {
 415                         Fast,
 416                         Good,
 417                         Best,
 418                         Nearest,
 419                         Bilinear
 420                 }
 421         }
 422 }