dlls/gdiplus/pen.c

   1 /*
   2  * Copyright (C) 2007 Google (Evan Stade)
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20
  21 #include "windef.h"
  22 #include "winbase.h"
  23 #include "wingdi.h"
  24
  25 #include "objbase.h"
  26
  27 #include "gdiplus.h"
  28 #include "gdiplus_private.h"
  29 #include "wine/debug.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  32
  33 static DWORD gdip_to_gdi_dash(GpDashStyle dash)
  34 {
  35     switch(dash){
  36         case DashStyleSolid:
  37             return PS_SOLID;
  38         case DashStyleDash:
  39             return PS_DASH;
  40         case DashStyleDot:
  41             return PS_DOT;
  42         case DashStyleDashDot:
  43             return PS_DASHDOT;
  44         case DashStyleDashDotDot:
  45             return PS_DASHDOTDOT;
  46         case DashStyleCustom:
  47             return PS_USERSTYLE;
  48         default:
  49             ERR("Not a member of GpDashStyle enumeration\n");
  50             return 0;
  51     }
  52 }
  53
  54 static DWORD gdip_to_gdi_join(GpLineJoin join)
  55 {
  56     switch(join){
  57         case LineJoinRound:
  58             return PS_JOIN_ROUND;
  59         case LineJoinBevel:
  60             return PS_JOIN_BEVEL;
  61         case LineJoinMiter:
  62         case LineJoinMiterClipped:
  63             return PS_JOIN_MITER;
  64         default:
  65             ERR("Not a member of GpLineJoin enumeration\n");
  66             return 0;
  67     }
  68 }
  69
  70 GpStatus WINGDIPAPI GdipClonePen(GpPen *pen, GpPen **clonepen)
  71 {
  72     if(!pen || !clonepen)
  73         return InvalidParameter;
  74
  75     *clonepen = GdipAlloc(sizeof(GpPen));
  76     if(!*clonepen)  return OutOfMemory;
  77
  78     **clonepen = *pen;
  79
  80     GdipCloneCustomLineCap(pen->customstart, &(*clonepen)->customstart);
  81     GdipCloneCustomLineCap(pen->customend, &(*clonepen)->customend);
  82     GdipCloneBrush(pen->brush, &(*clonepen)->brush);
  83
  84     return Ok;
  85 }
  86
  87 GpStatus WINGDIPAPI GdipCreatePen1(ARGB color, REAL width, GpUnit unit,
  88     GpPen **pen)
  89 {
  90     GpBrush *brush;
  91     GpStatus status;
  92
  93     GdipCreateSolidFill(color, (GpSolidFill **)(&brush));
  94     status = GdipCreatePen2(brush, width, unit, pen);
  95     GdipDeleteBrush(brush);
  96     return status;
  97 }
  98
  99 GpStatus WINGDIPAPI GdipCreatePen2(GpBrush *brush, REAL width, GpUnit unit,
 100     GpPen **pen)
 101 {
 102     GpPen *gp_pen;
 103     GpBrush *clone_brush;
 104
 105     if(!pen || !brush)
 106         return InvalidParameter;
 107
 108     gp_pen = GdipAlloc(sizeof(GpPen));
 109     if(!gp_pen)    return OutOfMemory;
 110
 111     gp_pen->style = GP_DEFAULT_PENSTYLE;
 112     gp_pen->width = width;
 113     gp_pen->unit = unit;
 114     gp_pen->endcap = LineCapFlat;
 115     gp_pen->join = LineJoinMiter;
 116     gp_pen->miterlimit = 10.0;
 117     gp_pen->dash = DashStyleSolid;
 118     gp_pen->offset = 0.0;
 119
 120     if(!((gp_pen->unit == UnitWorld) || (gp_pen->unit == UnitPixel))) {
 121         FIXME("UnitWorld, UnitPixel only supported units\n");
 122         GdipFree(gp_pen);
 123         return NotImplemented;
 124     }
 125
 126     GdipCloneBrush(brush, &clone_brush);
 127     gp_pen->brush = clone_brush;
 128
 129     *pen = gp_pen;
 130
 131     return Ok;
 132 }
 133
 134 GpStatus WINGDIPAPI GdipDeletePen(GpPen *pen)
 135 {
 136     if(!pen)    return InvalidParameter;
 137
 138     GdipDeleteBrush(pen->brush);
 139     GdipDeleteCustomLineCap(pen->customstart);
 140     GdipDeleteCustomLineCap(pen->customend);
 141     GdipFree(pen->dashes);
 142     GdipFree(pen);
 143
 144     return Ok;
 145 }
 146
 147 GpStatus WINGDIPAPI GdipGetPenBrushFill(GpPen *pen, GpBrush **brush)
 148 {
 149     if(!pen || !brush)
 150         return InvalidParameter;
 151
 152     return GdipCloneBrush(pen->brush, brush);
 153 }
 154
 155 GpStatus WINGDIPAPI GdipGetPenColor(GpPen *pen, ARGB *argb)
 156 {
 157     if(!pen || !argb)
 158         return InvalidParameter;
 159
 160     if(pen->brush->bt != BrushTypeSolidColor)
 161         return NotImplemented;
 162
 163     return GdipGetSolidFillColor(((GpSolidFill*)pen->brush), argb);
 164 }
 165
 166 GpStatus WINGDIPAPI GdipGetPenDashArray(GpPen *pen, REAL *dash, INT count)
 167 {
 168     if(!pen || !dash || count > pen->numdashes)
 169         return InvalidParameter;
 170
 171     /* note: if you pass a negative value for count, it crashes native gdiplus. */
 172     if(count < 0)
 173         return GenericError;
 174
 175     memcpy(dash, pen->dashes, count * sizeof(REAL));
 176
 177     return Ok;
 178 }
 179
 180 GpStatus WINGDIPAPI GdipGetPenDashCap197819(GpPen *pen, GpDashCap *dashCap)
 181 {
 182     if(!pen || !dashCap)
 183         return InvalidParameter;
 184
 185     *dashCap = pen->dashcap;
 186
 187     return Ok;
 188 }
 189
 190 GpStatus WINGDIPAPI GdipGetPenDashCount(GpPen *pen, INT *count)
 191 {
 192     if(!pen || !count)
 193         return InvalidParameter;
 194
 195     *count = pen->numdashes;
 196
 197     return Ok;
 198 }
 199
 200 GpStatus WINGDIPAPI GdipGetPenDashOffset(GpPen *pen, REAL *offset)
 201 {
 202     if(!pen || !offset)
 203         return InvalidParameter;
 204
 205     *offset = pen->offset;
 206
 207     return Ok;
 208 }
 209
 210 GpStatus WINGDIPAPI GdipGetPenDashStyle(GpPen *pen, GpDashStyle *dash)
 211 {
 212     if(!pen || !dash)
 213         return InvalidParameter;
 214
 215     *dash = pen->dash;
 216
 217     return Ok;
 218 }
 219
 220 GpStatus WINGDIPAPI GdipGetPenEndCap(GpPen *pen, GpLineCap *endCap)
 221 {
 222     if(!pen || !endCap)
 223         return InvalidParameter;
 224
 225     *endCap = pen->endcap;
 226
 227     return Ok;
 228 }
 229
 230 GpStatus WINGDIPAPI GdipGetPenLineJoin(GpPen *pen, GpLineJoin *lineJoin)
 231 {
 232     if(!pen || !lineJoin)
 233         return InvalidParameter;
 234
 235     *lineJoin = pen->join;
 236
 237     return Ok;
 238 }
 239
 240 GpStatus WINGDIPAPI GdipGetPenMiterLimit(GpPen *pen, REAL *miterLimit)
 241 {
 242     if(!pen || !miterLimit)
 243         return InvalidParameter;
 244
 245     *miterLimit = pen->miterlimit;
 246
 247     return Ok;
 248 }
 249
 250 GpStatus WINGDIPAPI GdipGetPenStartCap(GpPen *pen, GpLineCap *startCap)
 251 {
 252     if(!pen || !startCap)
 253         return InvalidParameter;
 254
 255     *startCap = pen->startcap;
 256
 257     return Ok;
 258 }
 259
 260 GpStatus WINGDIPAPI GdipGetPenUnit(GpPen *pen, GpUnit *unit)
 261 {
 262     if(!pen || !unit)
 263         return InvalidParameter;
 264
 265     *unit = pen->unit;
 266
 267     return Ok;
 268 }
 269
 270 GpStatus WINGDIPAPI GdipGetPenWidth(GpPen *pen, REAL *width)
 271 {
 272     if(!pen || !width)
 273         return InvalidParameter;
 274
 275     *width = pen->width;
 276
 277     return Ok;
 278 }
 279
 280 GpStatus WINGDIPAPI GdipSetPenBrushFill(GpPen *pen, GpBrush *brush)
 281 {
 282     if(!pen || !brush)
 283         return InvalidParameter;
 284
 285     GdipDeleteBrush(pen->brush);
 286     return GdipCloneBrush(brush, &pen->brush);
 287 }
 288
 289 GpStatus WINGDIPAPI GdipSetPenColor(GpPen *pen, ARGB argb)
 290 {
 291     if(!pen)
 292         return InvalidParameter;
 293
 294     if(pen->brush->bt != BrushTypeSolidColor)
 295         return NotImplemented;
 296
 297     return GdipSetSolidFillColor(((GpSolidFill*)pen->brush), argb);
 298 }
 299
 300 GpStatus WINGDIPAPI GdipSetPenCustomEndCap(GpPen *pen, GpCustomLineCap* customCap)
 301 {
 302     GpCustomLineCap * cap;
 303     GpStatus ret;
 304
 305     if(!pen || !customCap) return InvalidParameter;
 306
 307     if((ret = GdipCloneCustomLineCap(customCap, &cap)) == Ok){
 308         GdipDeleteCustomLineCap(pen->customend);
 309         pen->endcap = LineCapCustom;
 310         pen->customend = cap;
 311     }
 312
 313     return ret;
 314 }
 315
 316 GpStatus WINGDIPAPI GdipSetPenCustomStartCap(GpPen *pen, GpCustomLineCap* customCap)
 317 {
 318     GpCustomLineCap * cap;
 319     GpStatus ret;
 320
 321     if(!pen || !customCap) return InvalidParameter;
 322
 323     if((ret = GdipCloneCustomLineCap(customCap, &cap)) == Ok){
 324         GdipDeleteCustomLineCap(pen->customstart);
 325         pen->startcap = LineCapCustom;
 326         pen->customstart = cap;
 327     }
 328
 329     return ret;
 330 }
 331
 332 GpStatus WINGDIPAPI GdipSetPenDashArray(GpPen *pen, GDIPCONST REAL *dash,
 333     INT count)
 334 {
 335     INT i;
 336     REAL sum = 0;
 337
 338     if(!pen || !dash)
 339         return InvalidParameter;
 340
 341     if(count <= 0)
 342         return OutOfMemory;
 343
 344     for(i = 0; i < count; i++){
 345         sum += dash[i];
 346         if(dash[i] < 0.0)
 347             return InvalidParameter;
 348     }
 349
 350     if(sum == 0.0 && count)
 351         return InvalidParameter;
 352
 353     GdipFree(pen->dashes);
 354     pen->dashes = NULL;
 355
 356     if(count > 0)
 357         pen->dashes = GdipAlloc(count * sizeof(REAL));
 358     if(!pen->dashes){
 359         pen->numdashes = 0;
 360         return OutOfMemory;
 361     }
 362
 363     GdipSetPenDashStyle(pen, DashStyleCustom);
 364     memcpy(pen->dashes, dash, count * sizeof(REAL));
 365     pen->numdashes = count;
 366
 367     return Ok;
 368 }
 369
 370 GpStatus WINGDIPAPI GdipSetPenDashCap197819(GpPen *pen, GpDashCap dashCap)
 371 {
 372     if(!pen)
 373         return InvalidParameter;
 374
 375     pen->dashcap = dashCap;
 376
 377     return Ok;
 378 }
 379
 380 /* FIXME: dash offset not used */
 381 GpStatus WINGDIPAPI GdipSetPenDashOffset(GpPen *pen, REAL offset)
 382 {
 383     if(!pen)
 384         return InvalidParameter;
 385
 386     pen->offset = offset;
 387
 388     return Ok;
 389 }
 390
 391 GpStatus WINGDIPAPI GdipSetPenDashStyle(GpPen *pen, GpDashStyle dash)
 392 {
 393     if(!pen)
 394         return InvalidParameter;
 395
 396     if(dash != DashStyleCustom){
 397         GdipFree(pen->dashes);
 398         pen->dashes = NULL;
 399         pen->numdashes = 0;
 400     }
 401
 402     pen->dash = dash;
 403     pen->style &= ~(PS_ALTERNATE | PS_SOLID | PS_DASH | PS_DOT | PS_DASHDOT |
 404                     PS_DASHDOTDOT | PS_NULL | PS_USERSTYLE | PS_INSIDEFRAME);
 405     pen->style |= gdip_to_gdi_dash(dash);
 406
 407     return Ok;
 408 }
 409
 410 GpStatus WINGDIPAPI GdipSetPenEndCap(GpPen *pen, GpLineCap cap)
 411 {
 412     if(!pen)    return InvalidParameter;
 413
 414     /* The old custom cap gets deleted even if the new style is LineCapCustom. */
 415     GdipDeleteCustomLineCap(pen->customend);
 416     pen->customend = NULL;
 417     pen->endcap = cap;
 418
 419     return Ok;
 420 }
 421
 422 /* FIXME: startcap, dashcap not used. */
 423 GpStatus WINGDIPAPI GdipSetPenLineCap197819(GpPen *pen, GpLineCap start,
 424     GpLineCap end, GpDashCap dash)
 425 {
 426     if(!pen)
 427         return InvalidParameter;
 428
 429     GdipDeleteCustomLineCap(pen->customend);
 430     GdipDeleteCustomLineCap(pen->customstart);
 431     pen->customend = NULL;
 432     pen->customstart = NULL;
 433
 434     pen->startcap = start;
 435     pen->endcap = end;
 436     pen->dashcap = dash;
 437
 438     return Ok;
 439 }
 440
 441 /* FIXME: Miter line joins behave a bit differently than they do in windows.
 442  * Both kinds of miter joins clip if the angle is less than 11 degrees. */
 443 GpStatus WINGDIPAPI GdipSetPenLineJoin(GpPen *pen, GpLineJoin join)
 444 {
 445     if(!pen)    return InvalidParameter;
 446
 447     pen->join = join;
 448     pen->style &= ~(PS_JOIN_ROUND | PS_JOIN_BEVEL | PS_JOIN_MITER);
 449     pen->style |= gdip_to_gdi_join(join);
 450
 451     return Ok;
 452 }
 453
 454 GpStatus WINGDIPAPI GdipSetPenMiterLimit(GpPen *pen, REAL limit)
 455 {
 456     if(!pen)
 457         return InvalidParameter;
 458
 459     pen->miterlimit = limit;
 460
 461     return Ok;
 462 }
 463
 464 GpStatus WINGDIPAPI GdipSetPenStartCap(GpPen *pen, GpLineCap cap)
 465 {
 466     if(!pen)    return InvalidParameter;
 467
 468     GdipDeleteCustomLineCap(pen->customstart);
 469     pen->customstart = NULL;
 470     pen->startcap = cap;
 471
 472     return Ok;
 473 }
 474
 475 GpStatus WINGDIPAPI GdipSetPenWidth(GpPen *pen, REAL width)
 476 {
 477     if(!pen)    return InvalidParameter;
 478
 479     pen->width = width;
 480
 481     return Ok;
 482 }
 483
 484
 485 GpStatus WINGDIPAPI GdipSetPenMode(GpPen *pen, GpPenAlignment penAlignment)
 486 {
 487     if(!pen)    return InvalidParameter;
 488
 489     FIXME("stub (%d)\n", penAlignment);
 490
 491     return Ok;
 492 }