| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/mac/carbon/dccg.cpp |
| 3 | // Purpose: wxDC class |
| 4 | // Author: Stefan Csomor |
| 5 | // Modified by: |
| 6 | // Created: 01/02/97 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Stefan Csomor |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #include "wx/wxprec.h" |
| 13 | |
| 14 | #include "wx/dc.h" |
| 15 | |
| 16 | #if wxMAC_USE_CORE_GRAPHICS |
| 17 | |
| 18 | #ifndef WX_PRECOMP |
| 19 | #include "wx/log.h" |
| 20 | #include "wx/app.h" |
| 21 | #include "wx/dcmemory.h" |
| 22 | #include "wx/dcprint.h" |
| 23 | #include "wx/region.h" |
| 24 | #include "wx/image.h" |
| 25 | #endif |
| 26 | |
| 27 | #include "wx/mac/uma.h" |
| 28 | |
| 29 | |
| 30 | #ifdef __MSL__ |
| 31 | #if __MSL__ >= 0x6000 |
| 32 | #include "math.h" |
| 33 | // in case our functions were defined outside std, we make it known all the same |
| 34 | namespace std { } |
| 35 | using namespace std ; |
| 36 | #endif |
| 37 | #endif |
| 38 | |
| 39 | #include "wx/mac/private.h" |
| 40 | |
| 41 | IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject) |
| 42 | |
| 43 | #ifndef wxMAC_USE_CORE_GRAPHICS_BLEND_MODES |
| 44 | #define wxMAC_USE_CORE_GRAPHICS_BLEND_MODES 0 |
| 45 | #endif |
| 46 | |
| 47 | #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4 |
| 48 | typedef float CGFloat ; |
| 49 | #endif |
| 50 | |
| 51 | //----------------------------------------------------------------------------- |
| 52 | // constants |
| 53 | //----------------------------------------------------------------------------- |
| 54 | |
| 55 | #if !defined( __DARWIN__ ) || defined(__MWERKS__) |
| 56 | #ifndef M_PI |
| 57 | const double M_PI = 3.14159265358979 ; |
| 58 | #endif |
| 59 | #endif |
| 60 | |
| 61 | const double RAD2DEG = 180.0 / M_PI; |
| 62 | const short kEmulatedMode = -1 ; |
| 63 | const short kUnsupportedMode = -2 ; |
| 64 | |
| 65 | extern TECObjectRef s_TECNativeCToUnicode ; |
| 66 | |
| 67 | |
| 68 | // TODO: update |
| 69 | // The textctrl implementation still needs that (needs what?) for the non-HIView implementation |
| 70 | // |
| 71 | wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) : |
| 72 | wxMacPortSaver( (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) ) |
| 73 | { |
| 74 | m_newPort = (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) ; |
| 75 | m_formerClip = NewRgn() ; |
| 76 | m_newClip = NewRgn() ; |
| 77 | GetClip( m_formerClip ) ; |
| 78 | |
| 79 | if ( win ) |
| 80 | { |
| 81 | // guard against half constructed objects, this just leads to a empty clip |
| 82 | if ( win->GetPeer() ) |
| 83 | { |
| 84 | int x = 0 , y = 0; |
| 85 | win->MacWindowToRootWindow( &x, &y ) ; |
| 86 | |
| 87 | // get area including focus rect |
| 88 | CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ; |
| 89 | if ( !EmptyRgn( m_newClip ) ) |
| 90 | OffsetRgn( m_newClip , x , y ) ; |
| 91 | } |
| 92 | |
| 93 | SetClip( m_newClip ) ; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | wxMacWindowClipper::~wxMacWindowClipper() |
| 98 | { |
| 99 | SetPort( m_newPort ) ; |
| 100 | SetClip( m_formerClip ) ; |
| 101 | DisposeRgn( m_newClip ) ; |
| 102 | DisposeRgn( m_formerClip ) ; |
| 103 | } |
| 104 | |
| 105 | wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) : |
| 106 | wxMacWindowClipper( win ) |
| 107 | { |
| 108 | // the port is already set at this point |
| 109 | m_newPort = (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) ; |
| 110 | GetThemeDrawingState( &m_themeDrawingState ) ; |
| 111 | } |
| 112 | |
| 113 | wxMacWindowStateSaver::~wxMacWindowStateSaver() |
| 114 | { |
| 115 | SetPort( m_newPort ) ; |
| 116 | SetThemeDrawingState( m_themeDrawingState , true ) ; |
| 117 | } |
| 118 | |
| 119 | // minimal implementation only used for appearance drawing < 10.3 |
| 120 | |
| 121 | wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) : |
| 122 | m_ph( (GrafPtr) dc->m_macPort ) |
| 123 | { |
| 124 | wxASSERT( dc->Ok() ) ; |
| 125 | m_dc = dc ; |
| 126 | |
| 127 | // dc->MacSetupPort(&m_ph) ; |
| 128 | } |
| 129 | |
| 130 | wxMacPortSetter::~wxMacPortSetter() |
| 131 | { |
| 132 | // m_dc->MacCleanupPort(&m_ph) ; |
| 133 | } |
| 134 | |
| 135 | //----------------------------------------------------------------------------- |
| 136 | // Local functions |
| 137 | //----------------------------------------------------------------------------- |
| 138 | |
| 139 | static inline double dmin(double a, double b) { return a < b ? a : b; } |
| 140 | static inline double dmax(double a, double b) { return a > b ? a : b; } |
| 141 | static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; } |
| 142 | |
| 143 | //----------------------------------------------------------------------------- |
| 144 | // device context implementation |
| 145 | // |
| 146 | // more and more of the dc functionality should be implemented by calling |
| 147 | // the appropricate wxMacCGContext, but we will have to do that step by step |
| 148 | // also coordinate conversions should be moved to native matrix ops |
| 149 | //----------------------------------------------------------------------------- |
| 150 | |
| 151 | // we always stock two context states, one at entry, to be able to preserve the |
| 152 | // state we were called with, the other one after changing to HI Graphics orientation |
| 153 | // (this one is used for getting back clippings etc) |
| 154 | |
| 155 | //----------------------------------------------------------------------------- |
| 156 | // wxGraphicPath implementation |
| 157 | //----------------------------------------------------------------------------- |
| 158 | |
| 159 | wxMacCGPath::wxMacCGPath() |
| 160 | { |
| 161 | m_path = CGPathCreateMutable() ; |
| 162 | } |
| 163 | |
| 164 | wxMacCGPath::~wxMacCGPath() |
| 165 | { |
| 166 | CGPathRelease( m_path ) ; |
| 167 | } |
| 168 | |
| 169 | // opens (starts) a new subpath |
| 170 | void wxMacCGPath::MoveToPoint( wxCoord x1 , wxCoord y1 ) |
| 171 | { |
| 172 | CGPathMoveToPoint( m_path , NULL , x1 , y1 ) ; |
| 173 | } |
| 174 | |
| 175 | void wxMacCGPath::AddLineToPoint( wxCoord x1 , wxCoord y1 ) |
| 176 | { |
| 177 | CGPathAddLineToPoint( m_path , NULL , x1 , y1 ) ; |
| 178 | } |
| 179 | |
| 180 | void wxMacCGPath::AddQuadCurveToPoint( wxCoord cx1, wxCoord cy1, wxCoord x1, wxCoord y1 ) |
| 181 | { |
| 182 | CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x1 , y1 ); |
| 183 | } |
| 184 | |
| 185 | void wxMacCGPath::AddRectangle( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) |
| 186 | { |
| 187 | CGRect cgRect = { { x , y } , { w , h } } ; |
| 188 | CGPathAddRect( m_path , NULL , cgRect ) ; |
| 189 | } |
| 190 | |
| 191 | void wxMacCGPath::AddCircle( wxCoord x, wxCoord y , wxCoord r ) |
| 192 | { |
| 193 | CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true ) ; |
| 194 | } |
| 195 | |
| 196 | // closes the current subpath |
| 197 | void wxMacCGPath::CloseSubpath() |
| 198 | { |
| 199 | CGPathCloseSubpath( m_path ) ; |
| 200 | } |
| 201 | |
| 202 | CGPathRef wxMacCGPath::GetPath() const |
| 203 | { |
| 204 | return m_path ; |
| 205 | } |
| 206 | |
| 207 | void wxMacCGPath::AddArcToPoint( wxCoord x1, wxCoord y1 , wxCoord x2, wxCoord y2, wxCoord r ) |
| 208 | { |
| 209 | CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r); |
| 210 | } |
| 211 | |
| 212 | void wxMacCGPath::AddArc( wxCoord x, wxCoord y, wxCoord r, double startAngle, double endAngle, bool clockwise ) |
| 213 | { |
| 214 | CGPathAddArc( m_path, NULL , x, y, r, startAngle, endAngle, clockwise); |
| 215 | } |
| 216 | |
| 217 | //----------------------------------------------------------------------------- |
| 218 | // wxGraphicContext implementation |
| 219 | //----------------------------------------------------------------------------- |
| 220 | |
| 221 | wxMacCGContext::wxMacCGContext( CGrafPtr port ) |
| 222 | { |
| 223 | m_qdPort = port ; |
| 224 | m_cgContext = NULL ; |
| 225 | m_mode = kCGPathFill; |
| 226 | m_macATSUIStyle = NULL ; |
| 227 | } |
| 228 | |
| 229 | wxMacCGContext::wxMacCGContext( CGContextRef cgcontext ) |
| 230 | { |
| 231 | m_qdPort = NULL ; |
| 232 | m_cgContext = cgcontext ; |
| 233 | m_mode = kCGPathFill; |
| 234 | m_macATSUIStyle = NULL ; |
| 235 | CGContextSaveGState( m_cgContext ) ; |
| 236 | CGContextSaveGState( m_cgContext ) ; |
| 237 | } |
| 238 | |
| 239 | wxMacCGContext::wxMacCGContext() |
| 240 | { |
| 241 | m_qdPort = NULL ; |
| 242 | m_cgContext = NULL ; |
| 243 | m_mode = kCGPathFill; |
| 244 | m_macATSUIStyle = NULL ; |
| 245 | } |
| 246 | |
| 247 | wxMacCGContext::~wxMacCGContext() |
| 248 | { |
| 249 | if ( m_cgContext ) |
| 250 | { |
| 251 | CGContextSynchronize( m_cgContext ) ; |
| 252 | CGContextRestoreGState( m_cgContext ) ; |
| 253 | CGContextRestoreGState( m_cgContext ) ; |
| 254 | } |
| 255 | |
| 256 | if ( m_qdPort ) |
| 257 | CGContextRelease( m_cgContext ) ; |
| 258 | } |
| 259 | |
| 260 | |
| 261 | void wxMacCGContext::Clip( const wxRegion ®ion ) |
| 262 | { |
| 263 | // ClipCGContextToRegion ( m_cgContext, &bounds , (RgnHandle) dc->m_macCurrentClipRgn ) ; |
| 264 | } |
| 265 | |
| 266 | void wxMacCGContext::StrokePath( const wxGraphicPath *p ) |
| 267 | { |
| 268 | const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ; |
| 269 | CGContextAddPath( m_cgContext , path->GetPath() ) ; |
| 270 | CGContextStrokePath( m_cgContext ) ; |
| 271 | } |
| 272 | |
| 273 | void wxMacCGContext::DrawPath( const wxGraphicPath *p , int fillStyle ) |
| 274 | { |
| 275 | const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ; |
| 276 | CGPathDrawingMode mode = m_mode ; |
| 277 | |
| 278 | if ( fillStyle == wxODDEVEN_RULE ) |
| 279 | { |
| 280 | if ( mode == kCGPathFill ) |
| 281 | mode = kCGPathEOFill ; |
| 282 | else if ( mode == kCGPathFillStroke ) |
| 283 | mode = kCGPathEOFillStroke ; |
| 284 | } |
| 285 | |
| 286 | CGContextAddPath( m_cgContext , path->GetPath() ) ; |
| 287 | CGContextDrawPath( m_cgContext , mode ) ; |
| 288 | } |
| 289 | |
| 290 | void wxMacCGContext::FillPath( const wxGraphicPath *p , const wxColor &fillColor , int fillStyle ) |
| 291 | { |
| 292 | const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ; |
| 293 | CGContextSaveGState( m_cgContext ) ; |
| 294 | |
| 295 | RGBColor col = MAC_WXCOLORREF( fillColor.GetPixel() ) ; |
| 296 | CGContextSetRGBFillColor( m_cgContext , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ; |
| 297 | CGPathDrawingMode mode = kCGPathFill ; |
| 298 | |
| 299 | if ( fillStyle == wxODDEVEN_RULE ) |
| 300 | mode = kCGPathEOFill ; |
| 301 | |
| 302 | CGContextBeginPath( m_cgContext ) ; |
| 303 | CGContextAddPath( m_cgContext , path->GetPath() ) ; |
| 304 | CGContextClosePath( m_cgContext ) ; |
| 305 | CGContextDrawPath( m_cgContext , mode ) ; |
| 306 | |
| 307 | CGContextRestoreGState( m_cgContext ) ; |
| 308 | } |
| 309 | |
| 310 | wxGraphicPath* wxMacCGContext::CreatePath() |
| 311 | { |
| 312 | // make sure that we now have a real cgref, before doing |
| 313 | // anything with paths |
| 314 | CGContextRef cg = GetNativeContext() ; |
| 315 | cg = NULL ; |
| 316 | |
| 317 | return new wxMacCGPath() ; |
| 318 | } |
| 319 | |
| 320 | // in case we only got a QDPort only create a cgref now |
| 321 | |
| 322 | CGContextRef wxMacCGContext::GetNativeContext() |
| 323 | { |
| 324 | if ( m_cgContext == NULL ) |
| 325 | { |
| 326 | Rect bounds ; |
| 327 | GetPortBounds( (CGrafPtr) m_qdPort , &bounds ) ; |
| 328 | OSStatus status = CreateCGContextForPort((CGrafPtr) m_qdPort , &m_cgContext) ; |
| 329 | CGContextSaveGState( m_cgContext ) ; |
| 330 | |
| 331 | wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") ) ; |
| 332 | |
| 333 | CGContextTranslateCTM( m_cgContext , 0 , bounds.bottom - bounds.top ) ; |
| 334 | CGContextScaleCTM( m_cgContext , 1 , -1 ) ; |
| 335 | |
| 336 | CGContextSaveGState( m_cgContext ) ; |
| 337 | SetPen( m_pen ) ; |
| 338 | SetBrush( m_brush ) ; |
| 339 | } |
| 340 | |
| 341 | return m_cgContext ; |
| 342 | } |
| 343 | |
| 344 | void wxMacCGContext::SetNativeContext( CGContextRef cg ) |
| 345 | { |
| 346 | // we allow either setting or clearing but not replacing |
| 347 | wxASSERT( m_cgContext == NULL || cg == NULL ) ; |
| 348 | |
| 349 | if ( cg ) |
| 350 | CGContextSaveGState( cg ) ; |
| 351 | m_cgContext = cg ; |
| 352 | } |
| 353 | |
| 354 | void wxMacCGContext::Translate( wxCoord dx , wxCoord dy ) |
| 355 | { |
| 356 | CGContextTranslateCTM( m_cgContext, dx, dy ); |
| 357 | } |
| 358 | |
| 359 | void wxMacCGContext::Scale( wxCoord xScale , wxCoord yScale ) |
| 360 | { |
| 361 | CGContextScaleCTM( m_cgContext , xScale , yScale ) ; |
| 362 | } |
| 363 | |
| 364 | void wxMacCGContext::DrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, wxCoord w, wxCoord h ) |
| 365 | { |
| 366 | CGImageRef image = (CGImageRef)( bmp.CGImageCreate() ) ; |
| 367 | HIRect r = CGRectMake( x , y , w , h ) ; |
| 368 | HIViewDrawCGImage( m_cgContext , &r , image ) ; |
| 369 | CGImageRelease( image ) ; |
| 370 | } |
| 371 | |
| 372 | void wxMacCGContext::DrawIcon( const wxIcon &icon, wxCoord x, wxCoord y, wxCoord w, wxCoord h ) |
| 373 | { |
| 374 | CGRect r = CGRectMake( 00 , 00 , w , h ) ; |
| 375 | CGContextSaveGState( m_cgContext ); |
| 376 | CGContextTranslateCTM( m_cgContext, x , y + h ); |
| 377 | CGContextScaleCTM( m_cgContext, 1, -1 ); |
| 378 | PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone , |
| 379 | NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) ) ; |
| 380 | CGContextRestoreGState( m_cgContext ) ; |
| 381 | } |
| 382 | |
| 383 | void wxMacCGContext::PushState() |
| 384 | { |
| 385 | CGContextSaveGState( m_cgContext ); |
| 386 | } |
| 387 | |
| 388 | void wxMacCGContext::PopState() |
| 389 | { |
| 390 | CGContextRestoreGState( m_cgContext ); |
| 391 | } |
| 392 | |
| 393 | void wxMacCGContext::SetTextColor( const wxColour &col ) |
| 394 | { |
| 395 | m_textForegroundColor = col ; |
| 396 | } |
| 397 | |
| 398 | #pragma mark - |
| 399 | #pragma mark wxMacCGPattern, ImagePattern, HatchPattern classes |
| 400 | |
| 401 | // CGPattern wrapper class: always allocate on heap, never call destructor |
| 402 | |
| 403 | class wxMacCGPattern |
| 404 | { |
| 405 | public : |
| 406 | wxMacCGPattern() {} |
| 407 | |
| 408 | // is guaranteed to be called only with a non-Null CGContextRef |
| 409 | virtual void Render( CGContextRef ctxRef ) = 0 ; |
| 410 | |
| 411 | operator CGPatternRef() const { return m_patternRef ; } |
| 412 | |
| 413 | protected : |
| 414 | virtual ~wxMacCGPattern() |
| 415 | { |
| 416 | // as this is called only when the m_patternRef is been released; |
| 417 | // don't release it again |
| 418 | } |
| 419 | |
| 420 | static void _Render( void *info, CGContextRef ctxRef ) |
| 421 | { |
| 422 | wxMacCGPattern* self = (wxMacCGPattern*) info ; |
| 423 | if ( self && ctxRef ) |
| 424 | self->Render( ctxRef ) ; |
| 425 | } |
| 426 | |
| 427 | static void _Dispose( void *info ) |
| 428 | { |
| 429 | wxMacCGPattern* self = (wxMacCGPattern*) info ; |
| 430 | delete self ; |
| 431 | } |
| 432 | |
| 433 | CGPatternRef m_patternRef ; |
| 434 | |
| 435 | static const CGPatternCallbacks ms_Callbacks ; |
| 436 | } ; |
| 437 | |
| 438 | const CGPatternCallbacks wxMacCGPattern::ms_Callbacks = { 0, &wxMacCGPattern::_Render, &wxMacCGPattern::_Dispose }; |
| 439 | |
| 440 | class ImagePattern : public wxMacCGPattern |
| 441 | { |
| 442 | public : |
| 443 | ImagePattern( const wxBitmap* bmp , CGAffineTransform transform ) |
| 444 | { |
| 445 | wxASSERT( bmp && bmp->Ok() ) ; |
| 446 | |
| 447 | Init( (CGImageRef) bmp->CGImageCreate() , transform ) ; |
| 448 | } |
| 449 | |
| 450 | // ImagePattern takes ownership of CGImageRef passed in |
| 451 | ImagePattern( CGImageRef image , CGAffineTransform transform ) |
| 452 | { |
| 453 | if ( image ) |
| 454 | CFRetain( image ) ; |
| 455 | |
| 456 | Init( image , transform ) ; |
| 457 | } |
| 458 | |
| 459 | virtual void Render( CGContextRef ctxRef ) |
| 460 | { |
| 461 | if (m_image != NULL) |
| 462 | HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image ); |
| 463 | } |
| 464 | |
| 465 | protected : |
| 466 | void Init( CGImageRef image, CGAffineTransform transform ) |
| 467 | { |
| 468 | m_image = image ; |
| 469 | if ( m_image ) |
| 470 | { |
| 471 | m_imageBounds = CGRectMake( 0.0, 0.0, (CGFloat)CGImageGetWidth( m_image ), (CGFloat)CGImageGetHeight( m_image ) ) ; |
| 472 | m_patternRef = CGPatternCreate( |
| 473 | this , m_imageBounds, transform , |
| 474 | m_imageBounds.size.width, m_imageBounds.size.height, |
| 475 | kCGPatternTilingNoDistortion, true , &wxMacCGPattern::ms_Callbacks ) ; |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | virtual ~ImagePattern() |
| 480 | { |
| 481 | if ( m_image ) |
| 482 | CGImageRelease( m_image ) ; |
| 483 | } |
| 484 | |
| 485 | CGImageRef m_image ; |
| 486 | CGRect m_imageBounds ; |
| 487 | } ; |
| 488 | |
| 489 | class HatchPattern : public wxMacCGPattern |
| 490 | { |
| 491 | public : |
| 492 | HatchPattern( int hatchstyle, CGAffineTransform transform ) |
| 493 | { |
| 494 | m_hatch = hatchstyle ; |
| 495 | m_imageBounds = CGRectMake( 0.0, 0.0, 8.0 , 8.0 ) ; |
| 496 | m_patternRef = CGPatternCreate( |
| 497 | this , m_imageBounds, transform , |
| 498 | m_imageBounds.size.width, m_imageBounds.size.height, |
| 499 | kCGPatternTilingNoDistortion, false , &wxMacCGPattern::ms_Callbacks ) ; |
| 500 | } |
| 501 | |
| 502 | void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count ) |
| 503 | { |
| 504 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 |
| 505 | if ( UMAGetSystemVersion() >= 0x1040 ) |
| 506 | { |
| 507 | CGContextStrokeLineSegments( ctxRef , pts , count ) ; |
| 508 | } |
| 509 | else |
| 510 | #endif |
| 511 | { |
| 512 | CGContextBeginPath( ctxRef ); |
| 513 | for (size_t i = 0; i < count; i += 2) |
| 514 | { |
| 515 | CGContextMoveToPoint(ctxRef, pts[i].x, pts[i].y); |
| 516 | CGContextAddLineToPoint(ctxRef, pts[i+1].x, pts[i+1].y); |
| 517 | } |
| 518 | CGContextStrokePath(ctxRef); |
| 519 | } |
| 520 | } |
| 521 | |
| 522 | virtual void Render( CGContextRef ctxRef ) |
| 523 | { |
| 524 | switch ( m_hatch ) |
| 525 | { |
| 526 | case wxBDIAGONAL_HATCH : |
| 527 | { |
| 528 | CGPoint pts[] = |
| 529 | { |
| 530 | { 8.0 , 0.0 } , { 0.0 , 8.0 } |
| 531 | }; |
| 532 | StrokeLineSegments( ctxRef , pts , 2 ) ; |
| 533 | } |
| 534 | break ; |
| 535 | |
| 536 | case wxCROSSDIAG_HATCH : |
| 537 | { |
| 538 | CGPoint pts[] = |
| 539 | { |
| 540 | { 0.0 , 0.0 } , { 8.0 , 8.0 } , |
| 541 | { 8.0 , 0.0 } , { 0.0 , 8.0 } |
| 542 | }; |
| 543 | StrokeLineSegments( ctxRef , pts , 4 ) ; |
| 544 | } |
| 545 | break ; |
| 546 | |
| 547 | case wxFDIAGONAL_HATCH : |
| 548 | { |
| 549 | CGPoint pts[] = |
| 550 | { |
| 551 | { 0.0 , 0.0 } , { 8.0 , 8.0 } |
| 552 | }; |
| 553 | StrokeLineSegments( ctxRef , pts , 2 ) ; |
| 554 | } |
| 555 | break ; |
| 556 | |
| 557 | case wxCROSS_HATCH : |
| 558 | { |
| 559 | CGPoint pts[] = |
| 560 | { |
| 561 | { 0.0 , 4.0 } , { 8.0 , 4.0 } , |
| 562 | { 4.0 , 0.0 } , { 4.0 , 8.0 } , |
| 563 | }; |
| 564 | StrokeLineSegments( ctxRef , pts , 4 ) ; |
| 565 | } |
| 566 | break ; |
| 567 | |
| 568 | case wxHORIZONTAL_HATCH : |
| 569 | { |
| 570 | CGPoint pts[] = |
| 571 | { |
| 572 | { 0.0 , 4.0 } , { 8.0 , 4.0 } , |
| 573 | }; |
| 574 | StrokeLineSegments( ctxRef , pts , 2 ) ; |
| 575 | } |
| 576 | break ; |
| 577 | |
| 578 | case wxVERTICAL_HATCH : |
| 579 | { |
| 580 | CGPoint pts[] = |
| 581 | { |
| 582 | { 4.0 , 0.0 } , { 4.0 , 8.0 } , |
| 583 | }; |
| 584 | StrokeLineSegments( ctxRef , pts , 2 ) ; |
| 585 | } |
| 586 | break ; |
| 587 | |
| 588 | default: |
| 589 | break; |
| 590 | } |
| 591 | } |
| 592 | |
| 593 | protected : |
| 594 | virtual ~HatchPattern() {} |
| 595 | |
| 596 | CGRect m_imageBounds ; |
| 597 | int m_hatch ; |
| 598 | }; |
| 599 | |
| 600 | #pragma mark - |
| 601 | |
| 602 | void wxMacCGContext::SetPen( const wxPen &pen ) |
| 603 | { |
| 604 | m_pen = pen ; |
| 605 | if ( m_cgContext == NULL ) |
| 606 | return ; |
| 607 | |
| 608 | bool fill = m_brush.GetStyle() != wxTRANSPARENT ; |
| 609 | bool stroke = pen.GetStyle() != wxTRANSPARENT ; |
| 610 | |
| 611 | #if 0 |
| 612 | // we can benchmark performance; should go into a setting eventually |
| 613 | CGContextSetShouldAntialias( m_cgContext , false ) ; |
| 614 | #endif |
| 615 | |
| 616 | if ( fill | stroke ) |
| 617 | { |
| 618 | // set up brushes |
| 619 | m_mode = kCGPathFill ; // just a default |
| 620 | |
| 621 | if ( stroke ) |
| 622 | { |
| 623 | CGContextSetRGBStrokeColor( m_cgContext , pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 , |
| 624 | pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 ) ; |
| 625 | |
| 626 | // TODO: * m_dc->m_scaleX |
| 627 | CGFloat penWidth = pen.GetWidth(); |
| 628 | if (penWidth <= 0.0) |
| 629 | penWidth = 0.1; |
| 630 | CGContextSetLineWidth( m_cgContext , penWidth ) ; |
| 631 | |
| 632 | CGLineCap cap ; |
| 633 | switch ( pen.GetCap() ) |
| 634 | { |
| 635 | case wxCAP_ROUND : |
| 636 | cap = kCGLineCapRound ; |
| 637 | break ; |
| 638 | |
| 639 | case wxCAP_PROJECTING : |
| 640 | cap = kCGLineCapSquare ; |
| 641 | break ; |
| 642 | |
| 643 | case wxCAP_BUTT : |
| 644 | cap = kCGLineCapButt ; |
| 645 | break ; |
| 646 | |
| 647 | default : |
| 648 | cap = kCGLineCapButt ; |
| 649 | break ; |
| 650 | } |
| 651 | |
| 652 | CGLineJoin join ; |
| 653 | switch ( pen.GetJoin() ) |
| 654 | { |
| 655 | case wxJOIN_BEVEL : |
| 656 | join = kCGLineJoinBevel ; |
| 657 | break ; |
| 658 | |
| 659 | case wxJOIN_MITER : |
| 660 | join = kCGLineJoinMiter ; |
| 661 | break ; |
| 662 | |
| 663 | case wxJOIN_ROUND : |
| 664 | join = kCGLineJoinRound ; |
| 665 | break ; |
| 666 | |
| 667 | default : |
| 668 | join = kCGLineJoinMiter ; |
| 669 | break; |
| 670 | } |
| 671 | |
| 672 | m_mode = kCGPathStroke ; |
| 673 | int count = 0 ; |
| 674 | |
| 675 | const CGFloat *lengths = NULL ; |
| 676 | CGFloat *userLengths = NULL ; |
| 677 | |
| 678 | const CGFloat dashUnit = penWidth < 1.0 ? 1.0 : penWidth; |
| 679 | |
| 680 | const CGFloat dotted[] = { dashUnit , dashUnit + 2.0 }; |
| 681 | const CGFloat short_dashed[] = { 9.0 , 6.0 }; |
| 682 | const CGFloat dashed[] = { 19.0 , 9.0 }; |
| 683 | const CGFloat dotted_dashed[] = { 9.0 , 6.0 , 3.0 , 3.0 }; |
| 684 | |
| 685 | switch ( pen.GetStyle() ) |
| 686 | { |
| 687 | case wxSOLID : |
| 688 | break ; |
| 689 | |
| 690 | case wxDOT : |
| 691 | lengths = dotted ; |
| 692 | count = WXSIZEOF(dotted); |
| 693 | break ; |
| 694 | |
| 695 | case wxLONG_DASH : |
| 696 | lengths = dashed ; |
| 697 | count = WXSIZEOF(dashed) ; |
| 698 | break ; |
| 699 | |
| 700 | case wxSHORT_DASH : |
| 701 | lengths = short_dashed ; |
| 702 | count = WXSIZEOF(short_dashed) ; |
| 703 | break ; |
| 704 | |
| 705 | case wxDOT_DASH : |
| 706 | lengths = dotted_dashed ; |
| 707 | count = WXSIZEOF(dotted_dashed); |
| 708 | break ; |
| 709 | |
| 710 | case wxUSER_DASH : |
| 711 | wxDash *dashes ; |
| 712 | count = pen.GetDashes( &dashes ) ; |
| 713 | if ((dashes != NULL) && (count > 0)) |
| 714 | { |
| 715 | userLengths = new CGFloat[count] ; |
| 716 | for ( int i = 0 ; i < count ; ++i ) |
| 717 | { |
| 718 | userLengths[i] = dashes[i] * dashUnit ; |
| 719 | |
| 720 | if ( i % 2 == 1 && userLengths[i] < dashUnit + 2.0 ) |
| 721 | userLengths[i] = dashUnit + 2.0 ; |
| 722 | else if ( i % 2 == 0 && userLengths[i] < dashUnit ) |
| 723 | userLengths[i] = dashUnit ; |
| 724 | } |
| 725 | } |
| 726 | lengths = userLengths ; |
| 727 | break ; |
| 728 | |
| 729 | case wxSTIPPLE : |
| 730 | { |
| 731 | CGFloat alphaArray[1] = { 1.0 } ; |
| 732 | wxBitmap* bmp = pen.GetStipple() ; |
| 733 | if ( bmp && bmp->Ok() ) |
| 734 | { |
| 735 | wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( NULL ) ) ; |
| 736 | CGContextSetStrokeColorSpace( m_cgContext , patternSpace ) ; |
| 737 | wxMacCFRefHolder<CGPatternRef> pattern( *( new ImagePattern( bmp , CGContextGetCTM( m_cgContext ) ) ) ); |
| 738 | CGContextSetStrokePattern( m_cgContext, pattern , alphaArray ) ; |
| 739 | } |
| 740 | } |
| 741 | break ; |
| 742 | |
| 743 | default : |
| 744 | { |
| 745 | wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ) ; |
| 746 | CGContextSetStrokeColorSpace( m_cgContext , patternSpace ) ; |
| 747 | wxMacCFRefHolder<CGPatternRef> pattern( *( new HatchPattern( pen.GetStyle() , CGContextGetCTM( m_cgContext ) ) ) ); |
| 748 | |
| 749 | CGFloat colorArray[4] = { pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 , |
| 750 | pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 } ; |
| 751 | |
| 752 | CGContextSetStrokePattern( m_cgContext, pattern , colorArray ) ; |
| 753 | } |
| 754 | break ; |
| 755 | } |
| 756 | |
| 757 | if ((lengths != NULL) && (count > 0)) |
| 758 | { |
| 759 | CGContextSetLineDash( m_cgContext , 0 , lengths , count ) ; |
| 760 | // force the line cap, otherwise we get artifacts (overlaps) and just solid lines |
| 761 | cap = kCGLineCapButt ; |
| 762 | } |
| 763 | else |
| 764 | { |
| 765 | CGContextSetLineDash( m_cgContext , 0 , NULL , 0 ) ; |
| 766 | } |
| 767 | |
| 768 | CGContextSetLineCap( m_cgContext , cap ) ; |
| 769 | CGContextSetLineJoin( m_cgContext , join ) ; |
| 770 | |
| 771 | delete[] userLengths ; |
| 772 | } |
| 773 | |
| 774 | if ( fill && stroke ) |
| 775 | m_mode = kCGPathFillStroke ; |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | void wxMacCGContext::SetBrush( const wxBrush &brush ) |
| 780 | { |
| 781 | m_brush = brush ; |
| 782 | if ( m_cgContext == NULL ) |
| 783 | return ; |
| 784 | |
| 785 | bool fill = brush.GetStyle() != wxTRANSPARENT ; |
| 786 | bool stroke = m_pen.GetStyle() != wxTRANSPARENT ; |
| 787 | |
| 788 | #if 0 |
| 789 | // we can benchmark performance, should go into a setting later |
| 790 | CGContextSetShouldAntialias( m_cgContext , false ) ; |
| 791 | #endif |
| 792 | |
| 793 | if ( fill | stroke ) |
| 794 | { |
| 795 | // setup brushes |
| 796 | m_mode = kCGPathFill ; // just a default |
| 797 | |
| 798 | if ( fill ) |
| 799 | { |
| 800 | if ( brush.GetStyle() == wxSOLID ) |
| 801 | { |
| 802 | CGContextSetRGBFillColor( m_cgContext , brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 , |
| 803 | brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 ) ; |
| 804 | } |
| 805 | else if ( brush.IsHatch() ) |
| 806 | { |
| 807 | wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ) ; |
| 808 | CGContextSetFillColorSpace( m_cgContext , patternSpace ) ; |
| 809 | wxMacCFRefHolder<CGPatternRef> pattern( *( new HatchPattern( brush.GetStyle() , CGContextGetCTM( m_cgContext ) ) ) ); |
| 810 | |
| 811 | CGFloat colorArray[4] = { brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 , |
| 812 | brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 } ; |
| 813 | |
| 814 | CGContextSetFillPattern( m_cgContext, pattern , colorArray ) ; |
| 815 | } |
| 816 | else |
| 817 | { |
| 818 | // now brush is a bitmap |
| 819 | CGFloat alphaArray[1] = { 1.0 } ; |
| 820 | wxBitmap* bmp = brush.GetStipple() ; |
| 821 | if ( bmp && bmp->Ok() ) |
| 822 | { |
| 823 | wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( NULL ) ) ; |
| 824 | CGContextSetFillColorSpace( m_cgContext , patternSpace ) ; |
| 825 | wxMacCFRefHolder<CGPatternRef> pattern( *( new ImagePattern( bmp , CGContextGetCTM( m_cgContext ) ) ) ); |
| 826 | CGContextSetFillPattern( m_cgContext, pattern , alphaArray ) ; |
| 827 | } |
| 828 | } |
| 829 | |
| 830 | m_mode = kCGPathFill ; |
| 831 | } |
| 832 | |
| 833 | if ( fill && stroke ) |
| 834 | m_mode = kCGPathFillStroke ; |
| 835 | else if ( stroke ) |
| 836 | m_mode = kCGPathStroke ; |
| 837 | } |
| 838 | } |
| 839 | |
| 840 | void wxMacCGContext::DrawText( const wxString &str, wxCoord x, wxCoord y, double angle ) |
| 841 | { |
| 842 | OSStatus status = noErr ; |
| 843 | ATSUTextLayout atsuLayout ; |
| 844 | UniCharCount chars = str.length() ; |
| 845 | UniChar* ubuf = NULL ; |
| 846 | |
| 847 | #if SIZEOF_WCHAR_T == 4 |
| 848 | wxMBConvUTF16 converter ; |
| 849 | #if wxUSE_UNICODE |
| 850 | size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ; |
| 851 | ubuf = (UniChar*) malloc( unicharlen + 2 ) ; |
| 852 | converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ; |
| 853 | #else |
| 854 | const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ; |
| 855 | size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ; |
| 856 | ubuf = (UniChar*) malloc( unicharlen + 2 ) ; |
| 857 | converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ; |
| 858 | #endif |
| 859 | chars = unicharlen / 2 ; |
| 860 | #else |
| 861 | #if wxUSE_UNICODE |
| 862 | ubuf = (UniChar*) str.wc_str() ; |
| 863 | #else |
| 864 | wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ; |
| 865 | chars = wxWcslen( wchar.data() ) ; |
| 866 | ubuf = (UniChar*) wchar.data() ; |
| 867 | #endif |
| 868 | #endif |
| 869 | |
| 870 | status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , |
| 871 | &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ; |
| 872 | |
| 873 | wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") ); |
| 874 | |
| 875 | status = ::ATSUSetTransientFontMatching( atsuLayout , true ) ; |
| 876 | wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") ); |
| 877 | |
| 878 | int iAngle = int( angle ); |
| 879 | if ( abs(iAngle) > 0 ) |
| 880 | { |
| 881 | Fixed atsuAngle = IntToFixed( iAngle ) ; |
| 882 | ATSUAttributeTag atsuTags[] = |
| 883 | { |
| 884 | kATSULineRotationTag , |
| 885 | } ; |
| 886 | ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = |
| 887 | { |
| 888 | sizeof( Fixed ) , |
| 889 | } ; |
| 890 | ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = |
| 891 | { |
| 892 | &atsuAngle , |
| 893 | } ; |
| 894 | status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag), |
| 895 | atsuTags, atsuSizes, atsuValues ) ; |
| 896 | } |
| 897 | |
| 898 | { |
| 899 | ATSUAttributeTag atsuTags[] = |
| 900 | { |
| 901 | kATSUCGContextTag , |
| 902 | } ; |
| 903 | ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = |
| 904 | { |
| 905 | sizeof( CGContextRef ) , |
| 906 | } ; |
| 907 | ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = |
| 908 | { |
| 909 | &m_cgContext , |
| 910 | } ; |
| 911 | status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag), |
| 912 | atsuTags, atsuSizes, atsuValues ) ; |
| 913 | } |
| 914 | |
| 915 | ATSUTextMeasurement textBefore, textAfter ; |
| 916 | ATSUTextMeasurement ascent, descent ; |
| 917 | |
| 918 | status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, |
| 919 | &textBefore , &textAfter, &ascent , &descent ); |
| 920 | |
| 921 | wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") ); |
| 922 | |
| 923 | Rect rect ; |
| 924 | /* |
| 925 | // TODO |
| 926 | if ( m_backgroundMode == wxSOLID ) |
| 927 | { |
| 928 | wxGraphicPath* path = m_graphicContext->CreatePath() ; |
| 929 | path->MoveToPoint( drawX , drawY ) ; |
| 930 | path->AddLineToPoint( |
| 931 | (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent)) , |
| 932 | (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent)) ) ; |
| 933 | path->AddLineToPoint( |
| 934 | (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent ) + cos(angle / RAD2DEG) * FixedToInt(textAfter)) , |
| 935 | (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent) - sin(angle / RAD2DEG) * FixedToInt(textAfter)) ) ; |
| 936 | path->AddLineToPoint( |
| 937 | (int) (drawX + cos(angle / RAD2DEG) * FixedToInt(textAfter)) , |
| 938 | (int) (drawY - sin(angle / RAD2DEG) * FixedToInt(textAfter)) ) ; |
| 939 | |
| 940 | m_graphicContext->FillPath( path , m_textBackgroundColour ) ; |
| 941 | delete path ; |
| 942 | } |
| 943 | */ |
| 944 | x += (int)(sin(angle / RAD2DEG) * FixedToInt(ascent)); |
| 945 | y += (int)(cos(angle / RAD2DEG) * FixedToInt(ascent)); |
| 946 | |
| 947 | status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, |
| 948 | IntToFixed(x) , IntToFixed(y) , &rect ); |
| 949 | wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") ); |
| 950 | |
| 951 | CGContextSaveGState(m_cgContext); |
| 952 | CGContextTranslateCTM(m_cgContext, x, y); |
| 953 | CGContextScaleCTM(m_cgContext, 1, -1); |
| 954 | status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, |
| 955 | IntToFixed(0) , IntToFixed(0) ); |
| 956 | |
| 957 | wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") ); |
| 958 | |
| 959 | CGContextRestoreGState(m_cgContext) ; |
| 960 | |
| 961 | ::ATSUDisposeTextLayout(atsuLayout); |
| 962 | |
| 963 | #if SIZEOF_WCHAR_T == 4 |
| 964 | free( ubuf ) ; |
| 965 | #endif |
| 966 | } |
| 967 | |
| 968 | void wxMacCGContext::GetTextExtent( const wxString &str, wxCoord *width, wxCoord *height, |
| 969 | wxCoord *descent, wxCoord *externalLeading ) const |
| 970 | { |
| 971 | wxCHECK_RET( m_macATSUIStyle != NULL, wxT("wxDC(cg)::DoGetTextExtent - no valid font set") ) ; |
| 972 | |
| 973 | OSStatus status = noErr ; |
| 974 | |
| 975 | ATSUTextLayout atsuLayout ; |
| 976 | UniCharCount chars = str.length() ; |
| 977 | UniChar* ubuf = NULL ; |
| 978 | |
| 979 | #if SIZEOF_WCHAR_T == 4 |
| 980 | wxMBConvUTF16 converter ; |
| 981 | #if wxUSE_UNICODE |
| 982 | size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ; |
| 983 | ubuf = (UniChar*) malloc( unicharlen + 2 ) ; |
| 984 | converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ; |
| 985 | #else |
| 986 | const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ; |
| 987 | size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ; |
| 988 | ubuf = (UniChar*) malloc( unicharlen + 2 ) ; |
| 989 | converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ; |
| 990 | #endif |
| 991 | chars = unicharlen / 2 ; |
| 992 | #else |
| 993 | #if wxUSE_UNICODE |
| 994 | ubuf = (UniChar*) str.wc_str() ; |
| 995 | #else |
| 996 | wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ; |
| 997 | chars = wxWcslen( wchar.data() ) ; |
| 998 | ubuf = (UniChar*) wchar.data() ; |
| 999 | #endif |
| 1000 | #endif |
| 1001 | |
| 1002 | status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , |
| 1003 | &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ; |
| 1004 | |
| 1005 | wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") ); |
| 1006 | |
| 1007 | ATSUTextMeasurement textBefore, textAfter ; |
| 1008 | ATSUTextMeasurement textAscent, textDescent ; |
| 1009 | |
| 1010 | status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, |
| 1011 | &textBefore , &textAfter, &textAscent , &textDescent ); |
| 1012 | |
| 1013 | if ( height ) |
| 1014 | *height = FixedToInt(textAscent + textDescent) ; |
| 1015 | if ( descent ) |
| 1016 | *descent = FixedToInt(textDescent) ; |
| 1017 | if ( externalLeading ) |
| 1018 | *externalLeading = 0 ; |
| 1019 | if ( width ) |
| 1020 | *width = FixedToInt(textAfter - textBefore) ; |
| 1021 | |
| 1022 | ::ATSUDisposeTextLayout(atsuLayout); |
| 1023 | } |
| 1024 | |
| 1025 | void wxMacCGContext::GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const |
| 1026 | { |
| 1027 | widths.Empty(); |
| 1028 | widths.Add(0, text.length()); |
| 1029 | |
| 1030 | if (text.empty()) |
| 1031 | return ; |
| 1032 | |
| 1033 | ATSUTextLayout atsuLayout ; |
| 1034 | UniCharCount chars = text.length() ; |
| 1035 | UniChar* ubuf = NULL ; |
| 1036 | |
| 1037 | #if SIZEOF_WCHAR_T == 4 |
| 1038 | wxMBConvUTF16 converter ; |
| 1039 | #if wxUSE_UNICODE |
| 1040 | size_t unicharlen = converter.WC2MB( NULL , text.wc_str() , 0 ) ; |
| 1041 | ubuf = (UniChar*) malloc( unicharlen + 2 ) ; |
| 1042 | converter.WC2MB( (char*) ubuf , text.wc_str(), unicharlen + 2 ) ; |
| 1043 | #else |
| 1044 | const wxWCharBuffer wchar = text.wc_str( wxConvLocal ) ; |
| 1045 | size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ; |
| 1046 | ubuf = (UniChar*) malloc( unicharlen + 2 ) ; |
| 1047 | converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ; |
| 1048 | #endif |
| 1049 | chars = unicharlen / 2 ; |
| 1050 | #else |
| 1051 | #if wxUSE_UNICODE |
| 1052 | ubuf = (UniChar*) text.wc_str() ; |
| 1053 | #else |
| 1054 | wxWCharBuffer wchar = text.wc_str( wxConvLocal ) ; |
| 1055 | chars = wxWcslen( wchar.data() ) ; |
| 1056 | ubuf = (UniChar*) wchar.data() ; |
| 1057 | #endif |
| 1058 | #endif |
| 1059 | |
| 1060 | OSStatus status; |
| 1061 | status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , |
| 1062 | &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ; |
| 1063 | |
| 1064 | for ( int pos = 0; pos < (int)chars; pos ++ ) |
| 1065 | { |
| 1066 | unsigned long actualNumberOfBounds = 0; |
| 1067 | ATSTrapezoid glyphBounds; |
| 1068 | |
| 1069 | // We get a single bound, since the text should only require one. If it requires more, there is an issue |
| 1070 | OSStatus result; |
| 1071 | result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1, |
| 1072 | kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds ); |
| 1073 | if (result != noErr || actualNumberOfBounds != 1 ) |
| 1074 | return ; |
| 1075 | |
| 1076 | widths[pos] = FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x ); |
| 1077 | //unsigned char uch = s[i]; |
| 1078 | } |
| 1079 | |
| 1080 | ::ATSUDisposeTextLayout(atsuLayout); |
| 1081 | } |
| 1082 | |
| 1083 | void wxMacCGContext::SetFont( const wxFont &font ) |
| 1084 | { |
| 1085 | if ( m_macATSUIStyle ) |
| 1086 | { |
| 1087 | ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle); |
| 1088 | m_macATSUIStyle = NULL ; |
| 1089 | } |
| 1090 | |
| 1091 | if ( font.Ok() ) |
| 1092 | { |
| 1093 | OSStatus status ; |
| 1094 | |
| 1095 | status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle ) ; |
| 1096 | |
| 1097 | wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") ) ; |
| 1098 | |
| 1099 | // we need the scale here ... |
| 1100 | |
| 1101 | Fixed atsuSize = IntToFixed( int( /*m_scaleY*/ 1 * font.MacGetFontSize()) ) ; |
| 1102 | RGBColor atsuColor = MAC_WXCOLORREF( m_textForegroundColor.GetPixel() ) ; |
| 1103 | ATSUAttributeTag atsuTags[] = |
| 1104 | { |
| 1105 | kATSUSizeTag , |
| 1106 | kATSUColorTag , |
| 1107 | } ; |
| 1108 | ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = |
| 1109 | { |
| 1110 | sizeof( Fixed ) , |
| 1111 | sizeof( RGBColor ) , |
| 1112 | } ; |
| 1113 | ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = |
| 1114 | { |
| 1115 | &atsuSize , |
| 1116 | &atsuColor , |
| 1117 | } ; |
| 1118 | |
| 1119 | status = ::ATSUSetAttributes( |
| 1120 | (ATSUStyle)m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) , |
| 1121 | atsuTags, atsuSizes, atsuValues); |
| 1122 | |
| 1123 | wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") ) ; |
| 1124 | } |
| 1125 | } |
| 1126 | |
| 1127 | |
| 1128 | #pragma mark - |
| 1129 | |
| 1130 | wxDC::wxDC() |
| 1131 | { |
| 1132 | m_ok = false ; |
| 1133 | m_colour = true; |
| 1134 | m_mm_to_pix_x = mm2pt; |
| 1135 | m_mm_to_pix_y = mm2pt; |
| 1136 | |
| 1137 | m_externalDeviceOriginX = 0; |
| 1138 | m_externalDeviceOriginY = 0; |
| 1139 | m_logicalScaleX = 1.0; |
| 1140 | m_logicalScaleY = 1.0; |
| 1141 | m_userScaleX = 1.0; |
| 1142 | m_userScaleY = 1.0; |
| 1143 | m_scaleX = 1.0; |
| 1144 | m_scaleY = 1.0; |
| 1145 | m_needComputeScaleX = |
| 1146 | m_needComputeScaleY = false; |
| 1147 | |
| 1148 | m_macPort = 0 ; |
| 1149 | m_macLocalOrigin.x = |
| 1150 | m_macLocalOrigin.y = 0 ; |
| 1151 | |
| 1152 | m_pen = *wxBLACK_PEN; |
| 1153 | m_font = *wxNORMAL_FONT; |
| 1154 | m_brush = *wxWHITE_BRUSH; |
| 1155 | |
| 1156 | m_macATSUIStyle = NULL ; |
| 1157 | m_graphicContext = NULL ; |
| 1158 | } |
| 1159 | |
| 1160 | wxDC::~wxDC() |
| 1161 | { |
| 1162 | if ( m_macATSUIStyle ) |
| 1163 | { |
| 1164 | ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle); |
| 1165 | m_macATSUIStyle = NULL ; |
| 1166 | } |
| 1167 | |
| 1168 | delete m_graphicContext ; |
| 1169 | } |
| 1170 | |
| 1171 | void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask ) |
| 1172 | { |
| 1173 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawBitmap - invalid DC") ); |
| 1174 | wxCHECK_RET( bmp.Ok(), wxT("wxDC(cg)::DoDrawBitmap - invalid bitmap") ); |
| 1175 | |
| 1176 | wxCoord xx = XLOG2DEVMAC(x); |
| 1177 | wxCoord yy = YLOG2DEVMAC(y); |
| 1178 | wxCoord w = bmp.GetWidth(); |
| 1179 | wxCoord h = bmp.GetHeight(); |
| 1180 | wxCoord ww = XLOG2DEVREL(w); |
| 1181 | wxCoord hh = YLOG2DEVREL(h); |
| 1182 | |
| 1183 | m_graphicContext->DrawBitmap( bmp, xx , yy , ww , hh ) ; |
| 1184 | } |
| 1185 | |
| 1186 | void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y ) |
| 1187 | { |
| 1188 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawIcon - invalid DC") ); |
| 1189 | wxCHECK_RET( icon.Ok(), wxT("wxDC(cg)::DoDrawIcon - invalid icon") ); |
| 1190 | |
| 1191 | wxCoord xx = XLOG2DEVMAC(x); |
| 1192 | wxCoord yy = YLOG2DEVMAC(y); |
| 1193 | wxCoord w = icon.GetWidth(); |
| 1194 | wxCoord h = icon.GetHeight(); |
| 1195 | wxCoord ww = XLOG2DEVREL(w); |
| 1196 | wxCoord hh = YLOG2DEVREL(h); |
| 1197 | |
| 1198 | m_graphicContext->DrawIcon( icon , xx, yy, ww, hh ) ; |
| 1199 | } |
| 1200 | |
| 1201 | void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) |
| 1202 | { |
| 1203 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoSetClippingRegion - invalid DC") ); |
| 1204 | |
| 1205 | wxCoord xx, yy, ww, hh; |
| 1206 | xx = XLOG2DEVMAC(x); |
| 1207 | yy = YLOG2DEVMAC(y); |
| 1208 | ww = XLOG2DEVREL(width); |
| 1209 | hh = YLOG2DEVREL(height); |
| 1210 | |
| 1211 | CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ; |
| 1212 | CGRect clipRect = CGRectMake( xx , yy , ww, hh ) ; |
| 1213 | CGContextClipToRect( cgContext , clipRect ) ; |
| 1214 | |
| 1215 | // SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ; |
| 1216 | // SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ; |
| 1217 | |
| 1218 | if ( m_clipping ) |
| 1219 | { |
| 1220 | m_clipX1 = wxMax( m_clipX1, xx ); |
| 1221 | m_clipY1 = wxMax( m_clipY1, yy ); |
| 1222 | m_clipX2 = wxMin( m_clipX2, (xx + ww) ); |
| 1223 | m_clipY2 = wxMin( m_clipY2, (yy + hh) ); |
| 1224 | } |
| 1225 | else |
| 1226 | { |
| 1227 | m_clipping = true; |
| 1228 | |
| 1229 | m_clipX1 = xx; |
| 1230 | m_clipY1 = yy; |
| 1231 | m_clipX2 = xx + ww; |
| 1232 | m_clipY2 = yy + hh; |
| 1233 | } |
| 1234 | |
| 1235 | // TODO: as soon as we don't reset the context for each operation anymore |
| 1236 | // we have to update the context as well |
| 1237 | } |
| 1238 | |
| 1239 | void wxDC::DoSetClippingRegionAsRegion( const wxRegion ®ion ) |
| 1240 | { |
| 1241 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoSetClippingRegionAsRegion - invalid DC") ); |
| 1242 | |
| 1243 | if (region.Empty()) |
| 1244 | { |
| 1245 | DestroyClippingRegion(); |
| 1246 | return; |
| 1247 | } |
| 1248 | |
| 1249 | wxCoord x, y, w, h; |
| 1250 | region.GetBox( x, y, w, h ); |
| 1251 | wxCoord xx, yy, ww, hh; |
| 1252 | xx = XLOG2DEVMAC(x); |
| 1253 | yy = YLOG2DEVMAC(y); |
| 1254 | ww = XLOG2DEVREL(w); |
| 1255 | hh = YLOG2DEVREL(h); |
| 1256 | |
| 1257 | // if we have a scaling that we cannot map onto native regions |
| 1258 | // we must use the box |
| 1259 | if ( ww != w || hh != h ) |
| 1260 | { |
| 1261 | wxDC::DoSetClippingRegion( x, y, w, h ); |
| 1262 | } |
| 1263 | else |
| 1264 | { |
| 1265 | #if 0 |
| 1266 | CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ; |
| 1267 | if ( xx != x || yy != y ) |
| 1268 | OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ; |
| 1269 | SectRgn( (RgnHandle)m_macCurrentClipRgn , (RgnHandle)m_macBoundaryClipRgn , (RgnHandle)m_macCurrentClipRgn ) ; |
| 1270 | #endif |
| 1271 | |
| 1272 | if ( m_clipping ) |
| 1273 | { |
| 1274 | m_clipX1 = wxMax( m_clipX1, xx ); |
| 1275 | m_clipY1 = wxMax( m_clipY1, yy ); |
| 1276 | m_clipX2 = wxMin( m_clipX2, (xx + ww) ); |
| 1277 | m_clipY2 = wxMin( m_clipY2, (yy + hh) ); |
| 1278 | } |
| 1279 | else |
| 1280 | { |
| 1281 | m_clipping = true; |
| 1282 | |
| 1283 | m_clipX1 = xx; |
| 1284 | m_clipY1 = yy; |
| 1285 | m_clipX2 = xx + ww; |
| 1286 | m_clipY2 = yy + hh; |
| 1287 | } |
| 1288 | } |
| 1289 | } |
| 1290 | |
| 1291 | void wxDC::DestroyClippingRegion() |
| 1292 | { |
| 1293 | // CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ; |
| 1294 | |
| 1295 | CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ; |
| 1296 | CGContextRestoreGState( cgContext ); |
| 1297 | CGContextSaveGState( cgContext ); |
| 1298 | |
| 1299 | m_graphicContext->SetPen( m_pen ) ; |
| 1300 | m_graphicContext->SetBrush( m_brush ) ; |
| 1301 | |
| 1302 | m_clipping = false; |
| 1303 | } |
| 1304 | |
| 1305 | void wxDC::DoGetSizeMM( int* width, int* height ) const |
| 1306 | { |
| 1307 | int w = 0, h = 0; |
| 1308 | |
| 1309 | GetSize( &w, &h ); |
| 1310 | if (width) |
| 1311 | *width = long( double(w) / (m_scaleX * m_mm_to_pix_x) ); |
| 1312 | if (height) |
| 1313 | *height = long( double(h) / (m_scaleY * m_mm_to_pix_y) ); |
| 1314 | } |
| 1315 | |
| 1316 | void wxDC::SetTextForeground( const wxColour &col ) |
| 1317 | { |
| 1318 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::SetTextForeground - invalid DC") ); |
| 1319 | |
| 1320 | if ( col != m_textForegroundColour ) |
| 1321 | { |
| 1322 | m_textForegroundColour = col; |
| 1323 | m_graphicContext->SetTextColor( col ) ; |
| 1324 | } |
| 1325 | } |
| 1326 | |
| 1327 | void wxDC::SetTextBackground( const wxColour &col ) |
| 1328 | { |
| 1329 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::SetTextBackground - invalid DC") ); |
| 1330 | |
| 1331 | m_textBackgroundColour = col; |
| 1332 | } |
| 1333 | |
| 1334 | void wxDC::SetMapMode( int mode ) |
| 1335 | { |
| 1336 | switch (mode) |
| 1337 | { |
| 1338 | case wxMM_TWIPS: |
| 1339 | SetLogicalScale( twips2mm * m_mm_to_pix_x, twips2mm * m_mm_to_pix_y ); |
| 1340 | break; |
| 1341 | |
| 1342 | case wxMM_POINTS: |
| 1343 | SetLogicalScale( pt2mm * m_mm_to_pix_x, pt2mm * m_mm_to_pix_y ); |
| 1344 | break; |
| 1345 | |
| 1346 | case wxMM_METRIC: |
| 1347 | SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y ); |
| 1348 | break; |
| 1349 | |
| 1350 | case wxMM_LOMETRIC: |
| 1351 | SetLogicalScale( m_mm_to_pix_x / 10.0, m_mm_to_pix_y / 10.0 ); |
| 1352 | break; |
| 1353 | |
| 1354 | case wxMM_TEXT: |
| 1355 | default: |
| 1356 | SetLogicalScale( 1.0, 1.0 ); |
| 1357 | break; |
| 1358 | } |
| 1359 | |
| 1360 | if (mode != wxMM_TEXT) |
| 1361 | { |
| 1362 | m_needComputeScaleX = |
| 1363 | m_needComputeScaleY = true; |
| 1364 | } |
| 1365 | } |
| 1366 | |
| 1367 | void wxDC::SetUserScale( double x, double y ) |
| 1368 | { |
| 1369 | // allow negative ? -> no |
| 1370 | m_userScaleX = x; |
| 1371 | m_userScaleY = y; |
| 1372 | ComputeScaleAndOrigin(); |
| 1373 | } |
| 1374 | |
| 1375 | void wxDC::SetLogicalScale( double x, double y ) |
| 1376 | { |
| 1377 | // allow negative ? |
| 1378 | m_logicalScaleX = x; |
| 1379 | m_logicalScaleY = y; |
| 1380 | ComputeScaleAndOrigin(); |
| 1381 | } |
| 1382 | |
| 1383 | void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y ) |
| 1384 | { |
| 1385 | m_logicalOriginX = x * m_signX; // is this still correct ? |
| 1386 | m_logicalOriginY = y * m_signY; |
| 1387 | ComputeScaleAndOrigin(); |
| 1388 | } |
| 1389 | |
| 1390 | void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y ) |
| 1391 | { |
| 1392 | m_externalDeviceOriginX = x; |
| 1393 | m_externalDeviceOriginY = y; |
| 1394 | ComputeScaleAndOrigin(); |
| 1395 | } |
| 1396 | |
| 1397 | void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp ) |
| 1398 | { |
| 1399 | m_signX = (xLeftRight ? 1 : -1); |
| 1400 | m_signY = (yBottomUp ? -1 : 1); |
| 1401 | ComputeScaleAndOrigin(); |
| 1402 | } |
| 1403 | |
| 1404 | wxSize wxDC::GetPPI() const |
| 1405 | { |
| 1406 | return wxSize(72, 72); |
| 1407 | } |
| 1408 | |
| 1409 | int wxDC::GetDepth() const |
| 1410 | { |
| 1411 | return 32; |
| 1412 | } |
| 1413 | |
| 1414 | void wxDC::ComputeScaleAndOrigin() |
| 1415 | { |
| 1416 | // CMB: copy scale to see if it changes |
| 1417 | double origScaleX = m_scaleX; |
| 1418 | double origScaleY = m_scaleY; |
| 1419 | m_scaleX = m_logicalScaleX * m_userScaleX; |
| 1420 | m_scaleY = m_logicalScaleY * m_userScaleY; |
| 1421 | m_deviceOriginX = m_externalDeviceOriginX; |
| 1422 | m_deviceOriginY = m_externalDeviceOriginY; |
| 1423 | |
| 1424 | // CMB: if scale has changed call SetPen to recalulate the line width |
| 1425 | if (m_scaleX != origScaleX || m_scaleY != origScaleY) |
| 1426 | { |
| 1427 | // this is a bit artificial, but we need to force wxDC to think |
| 1428 | // the pen has changed |
| 1429 | wxPen pen( GetPen() ); |
| 1430 | |
| 1431 | m_pen = wxNullPen; |
| 1432 | SetPen( pen ); |
| 1433 | } |
| 1434 | } |
| 1435 | |
| 1436 | void wxDC::SetPalette( const wxPalette& palette ) |
| 1437 | { |
| 1438 | } |
| 1439 | |
| 1440 | void wxDC::SetBackgroundMode( int mode ) |
| 1441 | { |
| 1442 | m_backgroundMode = mode ; |
| 1443 | } |
| 1444 | |
| 1445 | void wxDC::SetFont( const wxFont &font ) |
| 1446 | { |
| 1447 | m_font = font; |
| 1448 | if ( m_graphicContext ) |
| 1449 | m_graphicContext->SetFont( font ) ; |
| 1450 | } |
| 1451 | |
| 1452 | void wxDC::SetPen( const wxPen &pen ) |
| 1453 | { |
| 1454 | if ( m_pen == pen ) |
| 1455 | return ; |
| 1456 | |
| 1457 | m_pen = pen; |
| 1458 | if ( m_graphicContext ) |
| 1459 | { |
| 1460 | if ( m_pen.GetStyle() == wxSOLID || m_pen.GetStyle() == wxTRANSPARENT ) |
| 1461 | { |
| 1462 | m_graphicContext->SetPen( m_pen ) ; |
| 1463 | } |
| 1464 | else |
| 1465 | { |
| 1466 | // we have to compensate for moved device origins etc. otherwise patterned pens are standing still |
| 1467 | // eg when using a wxScrollWindow and scrolling around |
| 1468 | int origX = XLOG2DEVMAC( 0 ) ; |
| 1469 | int origY = YLOG2DEVMAC( 0 ) ; |
| 1470 | m_graphicContext->Translate( origX , origY ) ; |
| 1471 | m_graphicContext->SetPen( m_pen ) ; |
| 1472 | m_graphicContext->Translate( -origX , -origY ) ; |
| 1473 | } |
| 1474 | } |
| 1475 | } |
| 1476 | |
| 1477 | void wxDC::SetBrush( const wxBrush &brush ) |
| 1478 | { |
| 1479 | if (m_brush == brush) |
| 1480 | return; |
| 1481 | |
| 1482 | m_brush = brush; |
| 1483 | if ( m_graphicContext ) |
| 1484 | { |
| 1485 | if ( brush.GetStyle() == wxSOLID || brush.GetStyle() == wxTRANSPARENT ) |
| 1486 | { |
| 1487 | m_graphicContext->SetBrush( m_brush ) ; |
| 1488 | } |
| 1489 | else |
| 1490 | { |
| 1491 | // we have to compensate for moved device origins etc. otherwise patterned brushes are standing still |
| 1492 | // eg when using a wxScrollWindow and scrolling around |
| 1493 | int origX = XLOG2DEVMAC(0) ; |
| 1494 | int origY = YLOG2DEVMAC(0) ; |
| 1495 | m_graphicContext->Translate( origX , origY ) ; |
| 1496 | m_graphicContext->SetBrush( m_brush ) ; |
| 1497 | m_graphicContext->Translate( -origX , -origY ) ; |
| 1498 | } |
| 1499 | } |
| 1500 | } |
| 1501 | |
| 1502 | void wxDC::SetBackground( const wxBrush &brush ) |
| 1503 | { |
| 1504 | if (m_backgroundBrush == brush) |
| 1505 | return; |
| 1506 | |
| 1507 | m_backgroundBrush = brush; |
| 1508 | if (!m_backgroundBrush.Ok()) |
| 1509 | return; |
| 1510 | } |
| 1511 | |
| 1512 | void wxDC::SetLogicalFunction( int function ) |
| 1513 | { |
| 1514 | if (m_logicalFunction == function) |
| 1515 | return; |
| 1516 | |
| 1517 | m_logicalFunction = function ; |
| 1518 | #if wxMAC_USE_CORE_GRAPHICS_BLEND_MODES |
| 1519 | CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ; |
| 1520 | if ( m_logicalFunction == wxCOPY ) |
| 1521 | CGContextSetBlendMode( cgContext, kCGBlendModeNormal ) ; |
| 1522 | else if ( m_logicalFunction == wxINVERT ) |
| 1523 | CGContextSetBlendMode( cgContext, kCGBlendModeExclusion ) ; |
| 1524 | else |
| 1525 | CGContextSetBlendMode( cgContext, kCGBlendModeNormal ) ; |
| 1526 | #endif |
| 1527 | } |
| 1528 | |
| 1529 | extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, |
| 1530 | const wxColour & col, int style); |
| 1531 | |
| 1532 | bool wxDC::DoFloodFill(wxCoord x, wxCoord y, |
| 1533 | const wxColour& col, int style) |
| 1534 | { |
| 1535 | return wxDoFloodFill(this, x, y, col, style); |
| 1536 | } |
| 1537 | |
| 1538 | bool wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const |
| 1539 | { |
| 1540 | wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::DoGetPixel - invalid DC") ); |
| 1541 | |
| 1542 | wxMacPortSaver helper((CGrafPtr)m_macPort) ; |
| 1543 | RGBColor colour; |
| 1544 | |
| 1545 | // NB: GetCPixel is a deprecated QD call, and a slow one at that |
| 1546 | GetCPixel( |
| 1547 | XLOG2DEVMAC(x) + m_macLocalOriginInPort.x - m_macLocalOrigin.x, |
| 1548 | YLOG2DEVMAC(y) + m_macLocalOriginInPort.y - m_macLocalOrigin.y, &colour ); |
| 1549 | |
| 1550 | // convert from Mac colour to wx |
| 1551 | col->Set( colour.red >> 8, colour.green >> 8, colour.blue >> 8 ); |
| 1552 | |
| 1553 | return true ; |
| 1554 | } |
| 1555 | |
| 1556 | void wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 ) |
| 1557 | { |
| 1558 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawLine - invalid DC") ); |
| 1559 | |
| 1560 | #if !wxMAC_USE_CORE_GRAPHICS_BLEND_MODES |
| 1561 | if ( m_logicalFunction != wxCOPY ) |
| 1562 | return ; |
| 1563 | #endif |
| 1564 | |
| 1565 | wxCoord xx1 = XLOG2DEVMAC(x1) ; |
| 1566 | wxCoord yy1 = YLOG2DEVMAC(y1) ; |
| 1567 | wxCoord xx2 = XLOG2DEVMAC(x2) ; |
| 1568 | wxCoord yy2 = YLOG2DEVMAC(y2) ; |
| 1569 | |
| 1570 | wxGraphicPath* path = m_graphicContext->CreatePath() ; |
| 1571 | path->MoveToPoint( xx1, yy1 ) ; |
| 1572 | path->AddLineToPoint( xx2 , yy2 ) ; |
| 1573 | path->CloseSubpath() ; |
| 1574 | m_graphicContext->StrokePath( path ) ; |
| 1575 | delete path ; |
| 1576 | |
| 1577 | CalcBoundingBox(x1, y1); |
| 1578 | CalcBoundingBox(x2, y2); |
| 1579 | } |
| 1580 | |
| 1581 | void wxDC::DoCrossHair( wxCoord x, wxCoord y ) |
| 1582 | { |
| 1583 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoCrossHair - invalid DC") ); |
| 1584 | |
| 1585 | if ( m_logicalFunction != wxCOPY ) |
| 1586 | return ; |
| 1587 | |
| 1588 | int w = 0, h = 0; |
| 1589 | |
| 1590 | GetSize( &w, &h ); |
| 1591 | wxCoord xx = XLOG2DEVMAC(x); |
| 1592 | wxCoord yy = YLOG2DEVMAC(y); |
| 1593 | |
| 1594 | wxGraphicPath* path = m_graphicContext->CreatePath() ; |
| 1595 | path->MoveToPoint( XLOG2DEVMAC(0), yy ) ; |
| 1596 | path->AddLineToPoint( XLOG2DEVMAC(w), yy ) ; |
| 1597 | path->CloseSubpath() ; |
| 1598 | path->MoveToPoint( xx, YLOG2DEVMAC(0) ) ; |
| 1599 | path->AddLineToPoint( xx, YLOG2DEVMAC(h) ) ; |
| 1600 | path->CloseSubpath() ; |
| 1601 | m_graphicContext->StrokePath( path ) ; |
| 1602 | delete path ; |
| 1603 | |
| 1604 | CalcBoundingBox(x, y); |
| 1605 | CalcBoundingBox(x + w, y + h); |
| 1606 | } |
| 1607 | |
| 1608 | void wxDC::DoDrawArc( wxCoord x1, wxCoord y1, |
| 1609 | wxCoord x2, wxCoord y2, |
| 1610 | wxCoord xc, wxCoord yc ) |
| 1611 | { |
| 1612 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawArc - invalid DC") ); |
| 1613 | |
| 1614 | if ( m_logicalFunction != wxCOPY ) |
| 1615 | return ; |
| 1616 | |
| 1617 | wxCoord xx1 = XLOG2DEVMAC(x1); |
| 1618 | wxCoord yy1 = YLOG2DEVMAC(y1); |
| 1619 | wxCoord xx2 = XLOG2DEVMAC(x2); |
| 1620 | wxCoord yy2 = YLOG2DEVMAC(y2); |
| 1621 | wxCoord xxc = XLOG2DEVMAC(xc); |
| 1622 | wxCoord yyc = YLOG2DEVMAC(yc); |
| 1623 | |
| 1624 | double dx = xx1 - xxc; |
| 1625 | double dy = yy1 - yyc; |
| 1626 | double radius = sqrt((double)(dx * dx + dy * dy)); |
| 1627 | wxCoord rad = (wxCoord)radius; |
| 1628 | double sa, ea; |
| 1629 | if (xx1 == xx2 && yy1 == yy2) |
| 1630 | { |
| 1631 | sa = 0.0; |
| 1632 | ea = 360.0; |
| 1633 | } |
| 1634 | else if (radius == 0.0) |
| 1635 | { |
| 1636 | sa = ea = 0.0; |
| 1637 | } |
| 1638 | else |
| 1639 | { |
| 1640 | sa = (xx1 - xxc == 0) ? |
| 1641 | (yy1 - yyc < 0) ? 90.0 : -90.0 : |
| 1642 | -atan2(double(yy1 - yyc), double(xx1 - xxc)) * RAD2DEG; |
| 1643 | ea = (xx2 - xxc == 0) ? |
| 1644 | (yy2 - yyc < 0) ? 90.0 : -90.0 : |
| 1645 | -atan2(double(yy2 - yyc), double(xx2 - xxc)) * RAD2DEG; |
| 1646 | } |
| 1647 | |
| 1648 | bool fill = m_brush.GetStyle() != wxTRANSPARENT ; |
| 1649 | |
| 1650 | wxGraphicPath* path = m_graphicContext->CreatePath() ; |
| 1651 | m_graphicContext->PushState() ; |
| 1652 | m_graphicContext->Translate( xxc, yyc ) ; |
| 1653 | m_graphicContext->Scale( 1, -1 ) ; |
| 1654 | if ( fill ) |
| 1655 | path->MoveToPoint( 0, 0 ) ; |
| 1656 | path->AddArc( 0, 0, rad , DegToRad(sa) , DegToRad(ea), false ) ; |
| 1657 | if ( fill ) |
| 1658 | path->AddLineToPoint( 0, 0 ) ; |
| 1659 | m_graphicContext->DrawPath( path ) ; |
| 1660 | m_graphicContext->PopState() ; |
| 1661 | delete path ; |
| 1662 | } |
| 1663 | |
| 1664 | void wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h, |
| 1665 | double sa, double ea ) |
| 1666 | { |
| 1667 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawEllipticArc - invalid DC") ); |
| 1668 | |
| 1669 | if ( m_logicalFunction != wxCOPY ) |
| 1670 | return ; |
| 1671 | |
| 1672 | wxCoord xx = XLOG2DEVMAC(x); |
| 1673 | wxCoord yy = YLOG2DEVMAC(y); |
| 1674 | wxCoord ww = m_signX * XLOG2DEVREL(w); |
| 1675 | wxCoord hh = m_signY * YLOG2DEVREL(h); |
| 1676 | |
| 1677 | // handle -ve width and/or height |
| 1678 | if (ww < 0) |
| 1679 | { |
| 1680 | ww = -ww; |
| 1681 | xx = xx - ww; |
| 1682 | } |
| 1683 | if (hh < 0) |
| 1684 | { |
| 1685 | hh = -hh; |
| 1686 | yy = yy - hh; |
| 1687 | } |
| 1688 | |
| 1689 | bool fill = m_brush.GetStyle() != wxTRANSPARENT ; |
| 1690 | |
| 1691 | wxGraphicPath* path = m_graphicContext->CreatePath() ; |
| 1692 | m_graphicContext->PushState() ; |
| 1693 | m_graphicContext->Translate( xx + ww / 2, yy + hh / 2 ) ; |
| 1694 | m_graphicContext->Scale( 1 * ww / 2 , -1 * hh / 2 ) ; |
| 1695 | if ( fill ) |
| 1696 | path->MoveToPoint( 0, 0 ) ; |
| 1697 | path->AddArc( 0, 0, 1 , DegToRad(sa) , DegToRad(ea), false ) ; |
| 1698 | if ( fill ) |
| 1699 | path->AddLineToPoint( 0, 0 ) ; |
| 1700 | m_graphicContext->DrawPath( path ) ; |
| 1701 | m_graphicContext->PopState() ; |
| 1702 | delete path ; |
| 1703 | } |
| 1704 | |
| 1705 | void wxDC::DoDrawPoint( wxCoord x, wxCoord y ) |
| 1706 | { |
| 1707 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawPoint - invalid DC") ); |
| 1708 | |
| 1709 | DoDrawLine( x , y , x + 1 , y + 1 ) ; |
| 1710 | } |
| 1711 | |
| 1712 | void wxDC::DoDrawLines(int n, wxPoint points[], |
| 1713 | wxCoord xoffset, wxCoord yoffset) |
| 1714 | { |
| 1715 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawLines - invalid DC") ); |
| 1716 | |
| 1717 | #if !wxMAC_USE_CORE_GRAPHICS_BLEND_MODES |
| 1718 | if ( m_logicalFunction != wxCOPY ) |
| 1719 | return ; |
| 1720 | #endif |
| 1721 | |
| 1722 | wxCoord x1, x2 , y1 , y2 ; |
| 1723 | x1 = XLOG2DEVMAC(points[0].x + xoffset); |
| 1724 | y1 = YLOG2DEVMAC(points[0].y + yoffset); |
| 1725 | wxGraphicPath* path = m_graphicContext->CreatePath() ; |
| 1726 | path->MoveToPoint( x1 , y1 ) ; |
| 1727 | for (int i = 1; i < n; i++) |
| 1728 | { |
| 1729 | x2 = XLOG2DEVMAC(points[i].x + xoffset); |
| 1730 | y2 = YLOG2DEVMAC(points[i].y + yoffset); |
| 1731 | |
| 1732 | path->AddLineToPoint( x2 , y2 ) ; |
| 1733 | } |
| 1734 | |
| 1735 | m_graphicContext->StrokePath( path ) ; |
| 1736 | delete path ; |
| 1737 | } |
| 1738 | |
| 1739 | #if wxUSE_SPLINES |
| 1740 | void wxDC::DoDrawSpline(wxList *points) |
| 1741 | { |
| 1742 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawSpline - invalid DC") ); |
| 1743 | |
| 1744 | if ( m_logicalFunction != wxCOPY ) |
| 1745 | return ; |
| 1746 | |
| 1747 | wxGraphicPath* path = m_graphicContext->CreatePath() ; |
| 1748 | |
| 1749 | wxList::compatibility_iterator node = points->GetFirst(); |
| 1750 | if (node == wxList::compatibility_iterator()) |
| 1751 | // empty list |
| 1752 | return; |
| 1753 | |
| 1754 | wxPoint *p = (wxPoint *)node->GetData(); |
| 1755 | |
| 1756 | wxCoord x1 = p->x; |
| 1757 | wxCoord y1 = p->y; |
| 1758 | |
| 1759 | node = node->GetNext(); |
| 1760 | p = (wxPoint *)node->GetData(); |
| 1761 | |
| 1762 | wxCoord x2 = p->x; |
| 1763 | wxCoord y2 = p->y; |
| 1764 | wxCoord cx1 = ( x1 + x2 ) / 2; |
| 1765 | wxCoord cy1 = ( y1 + y2 ) / 2; |
| 1766 | |
| 1767 | path->MoveToPoint( XLOG2DEVMAC( x1 ) , YLOG2DEVMAC( y1 ) ) ; |
| 1768 | path->AddLineToPoint( XLOG2DEVMAC( cx1 ) , YLOG2DEVMAC( cy1 ) ) ; |
| 1769 | |
| 1770 | #if !wxUSE_STL |
| 1771 | while ((node = node->GetNext()) != NULL) |
| 1772 | #else |
| 1773 | while ((node = node->GetNext())) |
| 1774 | #endif // !wxUSE_STL |
| 1775 | { |
| 1776 | p = (wxPoint *)node->GetData(); |
| 1777 | x1 = x2; |
| 1778 | y1 = y2; |
| 1779 | x2 = p->x; |
| 1780 | y2 = p->y; |
| 1781 | wxCoord cx4 = (x1 + x2) / 2; |
| 1782 | wxCoord cy4 = (y1 + y2) / 2; |
| 1783 | |
| 1784 | path->AddQuadCurveToPoint( |
| 1785 | XLOG2DEVMAC( x1 ) , YLOG2DEVMAC( y1 ) , |
| 1786 | XLOG2DEVMAC( cx4 ) , YLOG2DEVMAC( cy4 ) ) ; |
| 1787 | |
| 1788 | cx1 = cx4; |
| 1789 | cy1 = cy4; |
| 1790 | } |
| 1791 | |
| 1792 | path->AddLineToPoint( XLOG2DEVMAC( x2 ) , YLOG2DEVMAC( y2 ) ) ; |
| 1793 | |
| 1794 | m_graphicContext->StrokePath( path ) ; |
| 1795 | delete path ; |
| 1796 | } |
| 1797 | #endif |
| 1798 | |
| 1799 | void wxDC::DoDrawPolygon( int n, wxPoint points[], |
| 1800 | wxCoord xoffset, wxCoord yoffset, |
| 1801 | int fillStyle ) |
| 1802 | { |
| 1803 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawPolygon - invalid DC") ); |
| 1804 | |
| 1805 | if ( n <= 0 || (m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT ) ) |
| 1806 | return ; |
| 1807 | if ( m_logicalFunction != wxCOPY ) |
| 1808 | return ; |
| 1809 | |
| 1810 | wxCoord x1, x2 , y1 , y2 ; |
| 1811 | x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset); |
| 1812 | y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset); |
| 1813 | |
| 1814 | wxGraphicPath* path = m_graphicContext->CreatePath() ; |
| 1815 | path->MoveToPoint( x1 , y1 ) ; |
| 1816 | for (int i = 1; i < n; i++) |
| 1817 | { |
| 1818 | x2 = XLOG2DEVMAC(points[i].x + xoffset); |
| 1819 | y2 = YLOG2DEVMAC(points[i].y + yoffset); |
| 1820 | |
| 1821 | path->AddLineToPoint( x2 , y2 ) ; |
| 1822 | } |
| 1823 | |
| 1824 | if ( x1 != x2 || y1 != y2 ) |
| 1825 | path->AddLineToPoint( x1, y1 ) ; |
| 1826 | |
| 1827 | path->CloseSubpath() ; |
| 1828 | m_graphicContext->DrawPath( path , fillStyle ) ; |
| 1829 | |
| 1830 | delete path ; |
| 1831 | } |
| 1832 | |
| 1833 | void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) |
| 1834 | { |
| 1835 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawRectangle - invalid DC") ); |
| 1836 | |
| 1837 | if ( m_logicalFunction != wxCOPY ) |
| 1838 | return ; |
| 1839 | |
| 1840 | wxCoord xx = XLOG2DEVMAC(x); |
| 1841 | wxCoord yy = YLOG2DEVMAC(y); |
| 1842 | wxCoord ww = m_signX * XLOG2DEVREL(width); |
| 1843 | wxCoord hh = m_signY * YLOG2DEVREL(height); |
| 1844 | |
| 1845 | // CMB: draw nothing if transformed w or h is 0 |
| 1846 | if (ww == 0 || hh == 0) |
| 1847 | return; |
| 1848 | |
| 1849 | // CMB: handle -ve width and/or height |
| 1850 | if (ww < 0) |
| 1851 | { |
| 1852 | ww = -ww; |
| 1853 | xx = xx - ww; |
| 1854 | } |
| 1855 | if (hh < 0) |
| 1856 | { |
| 1857 | hh = -hh; |
| 1858 | yy = yy - hh; |
| 1859 | } |
| 1860 | |
| 1861 | wxGraphicPath* path = m_graphicContext->CreatePath() ; |
| 1862 | path->AddRectangle( xx , yy , ww , hh ) ; |
| 1863 | m_graphicContext->DrawPath( path ) ; |
| 1864 | delete path ; |
| 1865 | } |
| 1866 | |
| 1867 | void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, |
| 1868 | wxCoord width, wxCoord height, |
| 1869 | double radius) |
| 1870 | { |
| 1871 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawRoundedRectangle - invalid DC") ); |
| 1872 | |
| 1873 | if ( m_logicalFunction != wxCOPY ) |
| 1874 | return ; |
| 1875 | |
| 1876 | if (radius < 0.0) |
| 1877 | radius = - radius * ((width < height) ? width : height); |
| 1878 | wxCoord xx = XLOG2DEVMAC(x); |
| 1879 | wxCoord yy = YLOG2DEVMAC(y); |
| 1880 | wxCoord ww = m_signX * XLOG2DEVREL(width); |
| 1881 | wxCoord hh = m_signY * YLOG2DEVREL(height); |
| 1882 | |
| 1883 | // CMB: draw nothing if transformed w or h is 0 |
| 1884 | if (ww == 0 || hh == 0) |
| 1885 | return; |
| 1886 | |
| 1887 | // CMB: handle -ve width and/or height |
| 1888 | if (ww < 0) |
| 1889 | { |
| 1890 | ww = -ww; |
| 1891 | xx = xx - ww; |
| 1892 | } |
| 1893 | if (hh < 0) |
| 1894 | { |
| 1895 | hh = -hh; |
| 1896 | yy = yy - hh; |
| 1897 | } |
| 1898 | |
| 1899 | wxGraphicPath* path = m_graphicContext->CreatePath() ; |
| 1900 | if ( radius == 0) |
| 1901 | { |
| 1902 | path->AddRectangle( xx , yy , ww , hh ) ; |
| 1903 | m_graphicContext->DrawPath( path ) ; |
| 1904 | } |
| 1905 | else |
| 1906 | { |
| 1907 | m_graphicContext->PushState() ; |
| 1908 | m_graphicContext->Translate( xx , yy ) ; |
| 1909 | m_graphicContext->Scale( radius , radius ) ; |
| 1910 | double fw = ww / radius ; |
| 1911 | double fh = hh / radius; |
| 1912 | path->MoveToPoint(fw, fh / 2); |
| 1913 | path->AddArcToPoint(fw, fh, fw / 2, fh, 1); |
| 1914 | path->AddArcToPoint(0, fh, 0, fh / 2, 1); |
| 1915 | path->AddArcToPoint(0, 0, fw / 2, 0, 1); |
| 1916 | path->AddArcToPoint(fw, 0, fw, fh / 2, 1); |
| 1917 | path->CloseSubpath(); |
| 1918 | m_graphicContext->DrawPath( path ) ; |
| 1919 | m_graphicContext->PopState() ; |
| 1920 | } |
| 1921 | delete path ; |
| 1922 | } |
| 1923 | |
| 1924 | void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) |
| 1925 | { |
| 1926 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawEllipse - invalid DC") ); |
| 1927 | |
| 1928 | if ( m_logicalFunction != wxCOPY ) |
| 1929 | return ; |
| 1930 | |
| 1931 | wxCoord xx = XLOG2DEVMAC(x); |
| 1932 | wxCoord yy = YLOG2DEVMAC(y); |
| 1933 | wxCoord ww = m_signX * XLOG2DEVREL(width); |
| 1934 | wxCoord hh = m_signY * YLOG2DEVREL(height); |
| 1935 | |
| 1936 | // CMB: draw nothing if transformed w or h is 0 |
| 1937 | if (ww == 0 || hh == 0) |
| 1938 | return; |
| 1939 | |
| 1940 | // CMB: handle -ve width and/or height |
| 1941 | if (ww < 0) |
| 1942 | { |
| 1943 | ww = -ww; |
| 1944 | xx = xx - ww; |
| 1945 | } |
| 1946 | if (hh < 0) |
| 1947 | { |
| 1948 | hh = -hh; |
| 1949 | yy = yy - hh; |
| 1950 | } |
| 1951 | |
| 1952 | wxGraphicPath* path = m_graphicContext->CreatePath() ; |
| 1953 | m_graphicContext->PushState() ; |
| 1954 | m_graphicContext->Translate(xx + ww / 2, yy + hh / 2); |
| 1955 | m_graphicContext->Scale(ww / 2 , hh / 2); |
| 1956 | path->AddArc( 0, 0, 1, 0 , 2 * M_PI , false ) ; |
| 1957 | m_graphicContext->DrawPath( path ) ; |
| 1958 | m_graphicContext->PopState() ; |
| 1959 | delete path ; |
| 1960 | } |
| 1961 | |
| 1962 | bool wxDC::CanDrawBitmap() const |
| 1963 | { |
| 1964 | return true ; |
| 1965 | } |
| 1966 | |
| 1967 | bool wxDC::DoBlit( |
| 1968 | wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, |
| 1969 | wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask, |
| 1970 | wxCoord xsrcMask, wxCoord ysrcMask ) |
| 1971 | { |
| 1972 | wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::DoBlit - invalid DC") ); |
| 1973 | wxCHECK_MSG( source->Ok(), false, wxT("wxDC(cg)::DoBlit - invalid source DC") ); |
| 1974 | |
| 1975 | if ( logical_func == wxNO_OP ) |
| 1976 | return true ; |
| 1977 | |
| 1978 | if (xsrcMask == -1 && ysrcMask == -1) |
| 1979 | { |
| 1980 | xsrcMask = xsrc; |
| 1981 | ysrcMask = ysrc; |
| 1982 | } |
| 1983 | |
| 1984 | wxCoord yysrc = source->YLOG2DEVMAC(ysrc) ; |
| 1985 | wxCoord xxsrc = source->XLOG2DEVMAC(xsrc) ; |
| 1986 | wxCoord wwsrc = source->XLOG2DEVREL(width) ; |
| 1987 | wxCoord hhsrc = source->YLOG2DEVREL(height) ; |
| 1988 | |
| 1989 | wxCoord yydest = YLOG2DEVMAC(ydest) ; |
| 1990 | wxCoord xxdest = XLOG2DEVMAC(xdest) ; |
| 1991 | wxCoord wwdest = XLOG2DEVREL(width) ; |
| 1992 | wxCoord hhdest = YLOG2DEVREL(height) ; |
| 1993 | |
| 1994 | wxMemoryDC* memdc = dynamic_cast<wxMemoryDC*>(source) ; |
| 1995 | if ( memdc && logical_func == wxCOPY ) |
| 1996 | { |
| 1997 | wxBitmap blit = memdc->GetSelectedObject() ; |
| 1998 | |
| 1999 | wxASSERT_MSG( blit.Ok() , wxT("Invalid bitmap for blitting") ) ; |
| 2000 | |
| 2001 | wxCoord bmpwidth = blit.GetWidth(); |
| 2002 | wxCoord bmpheight = blit.GetHeight(); |
| 2003 | |
| 2004 | if ( xxsrc != 0 || yysrc != 0 || bmpwidth != wwsrc || bmpheight != hhsrc ) |
| 2005 | { |
| 2006 | wwsrc = wxMin( wwsrc , bmpwidth - xxsrc ) ; |
| 2007 | hhsrc = wxMin( hhsrc , bmpheight - yysrc ) ; |
| 2008 | if ( wwsrc > 0 && hhsrc > 0 ) |
| 2009 | { |
| 2010 | if ( xxsrc >= 0 && yysrc >= 0 ) |
| 2011 | { |
| 2012 | wxRect subrect( xxsrc, yysrc, wwsrc , hhsrc ) ; |
| 2013 | // TODO we perhaps could add a DrawSubBitmap call to dc for performance reasons |
| 2014 | blit = blit.GetSubBitmap( subrect ) ; |
| 2015 | } |
| 2016 | else |
| 2017 | { |
| 2018 | // in this case we'd probably have to adjust the different coordinates, but |
| 2019 | // we have to find out proper contract first |
| 2020 | blit = wxNullBitmap ; |
| 2021 | } |
| 2022 | } |
| 2023 | else |
| 2024 | { |
| 2025 | blit = wxNullBitmap ; |
| 2026 | } |
| 2027 | } |
| 2028 | |
| 2029 | if ( blit.Ok() ) |
| 2030 | { |
| 2031 | m_graphicContext->DrawBitmap( blit, xxdest , yydest , wwdest , hhdest ) ; |
| 2032 | } |
| 2033 | } |
| 2034 | else |
| 2035 | { |
| 2036 | wxFAIL_MSG( wxT("Blitting is only supported from bitmap contexts") ) ; |
| 2037 | return false ; |
| 2038 | } |
| 2039 | |
| 2040 | return true; |
| 2041 | } |
| 2042 | |
| 2043 | void wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y, |
| 2044 | double angle) |
| 2045 | { |
| 2046 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawRotatedText - invalid DC") ); |
| 2047 | // wxCHECK_RET( m_macATSUIStyle != NULL, wxT("wxDC(cg)::DoDrawRotatedText - no valid font set") ); |
| 2048 | |
| 2049 | if ( str.length() == 0 ) |
| 2050 | return ; |
| 2051 | if ( m_logicalFunction != wxCOPY ) |
| 2052 | return ; |
| 2053 | |
| 2054 | int drawX = XLOG2DEVMAC(x) ; |
| 2055 | int drawY = YLOG2DEVMAC(y) ; |
| 2056 | |
| 2057 | m_graphicContext->DrawText( str, drawX ,drawY , angle ) ; |
| 2058 | } |
| 2059 | |
| 2060 | void wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y) |
| 2061 | { |
| 2062 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawText - invalid DC") ); |
| 2063 | |
| 2064 | DoDrawRotatedText( strtext , x , y , 0.0 ) ; |
| 2065 | } |
| 2066 | |
| 2067 | bool wxDC::CanGetTextExtent() const |
| 2068 | { |
| 2069 | wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::CanGetTextExtent - invalid DC") ); |
| 2070 | |
| 2071 | return true ; |
| 2072 | } |
| 2073 | |
| 2074 | void wxDC::DoGetTextExtent( const wxString &str, wxCoord *width, wxCoord *height, |
| 2075 | wxCoord *descent, wxCoord *externalLeading , |
| 2076 | wxFont *theFont ) const |
| 2077 | { |
| 2078 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoGetTextExtent - invalid DC") ); |
| 2079 | |
| 2080 | wxFont formerFont = m_font ; |
| 2081 | if ( theFont ) |
| 2082 | { |
| 2083 | m_graphicContext->SetFont( *theFont ) ; |
| 2084 | } |
| 2085 | |
| 2086 | wxCoord h , d , e , w ; |
| 2087 | |
| 2088 | m_graphicContext->GetTextExtent( str, &w, &h, &d, &e ) ; |
| 2089 | |
| 2090 | if ( height ) |
| 2091 | *height = YDEV2LOGREL( h ) ; |
| 2092 | if ( descent ) |
| 2093 | *descent =YDEV2LOGREL( d); |
| 2094 | if ( externalLeading ) |
| 2095 | *externalLeading = YDEV2LOGREL( e); |
| 2096 | if ( width ) |
| 2097 | *width = XDEV2LOGREL( w ) ; |
| 2098 | |
| 2099 | if ( theFont ) |
| 2100 | { |
| 2101 | m_graphicContext->SetFont( m_font ) ; |
| 2102 | } |
| 2103 | } |
| 2104 | |
| 2105 | bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const |
| 2106 | { |
| 2107 | wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::DoGetPartialTextExtents - invalid DC") ); |
| 2108 | |
| 2109 | m_graphicContext->GetPartialTextExtents( text, widths ) ; |
| 2110 | for ( size_t i = 0 ; i < widths.GetCount() ; ++i ) |
| 2111 | widths[i] = XDEV2LOGREL( widths[i] ); |
| 2112 | |
| 2113 | return true; |
| 2114 | } |
| 2115 | |
| 2116 | wxCoord wxDC::GetCharWidth(void) const |
| 2117 | { |
| 2118 | wxCoord width ; |
| 2119 | DoGetTextExtent( wxT("g") , &width , NULL , NULL , NULL , NULL ) ; |
| 2120 | |
| 2121 | return width ; |
| 2122 | } |
| 2123 | |
| 2124 | wxCoord wxDC::GetCharHeight(void) const |
| 2125 | { |
| 2126 | wxCoord height ; |
| 2127 | DoGetTextExtent( wxT("g") , NULL , &height , NULL , NULL , NULL ) ; |
| 2128 | |
| 2129 | return height ; |
| 2130 | } |
| 2131 | |
| 2132 | void wxDC::Clear(void) |
| 2133 | { |
| 2134 | wxCHECK_RET( Ok(), wxT("wxDC(cg)::Clear - invalid DC") ); |
| 2135 | |
| 2136 | if (m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT) |
| 2137 | { |
| 2138 | HIRect rect = CGRectMake( -10000 , -10000 , 20000 , 20000 ) ; |
| 2139 | CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ; |
| 2140 | switch ( m_backgroundBrush.MacGetBrushKind() ) |
| 2141 | { |
| 2142 | case kwxMacBrushTheme : |
| 2143 | { |
| 2144 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 |
| 2145 | if ( HIThemeSetFill != 0 ) |
| 2146 | { |
| 2147 | HIThemeSetFill( m_backgroundBrush.MacGetTheme(), NULL, cg, kHIThemeOrientationNormal ); |
| 2148 | CGContextFillRect(cg, rect); |
| 2149 | |
| 2150 | } |
| 2151 | else |
| 2152 | #endif |
| 2153 | { |
| 2154 | RGBColor color; |
| 2155 | GetThemeBrushAsColor( m_backgroundBrush.MacGetTheme(), 32, true, &color ); |
| 2156 | CGContextSetRGBFillColor( cg, (CGFloat) color.red / 65536, |
| 2157 | (CGFloat) color.green / 65536, (CGFloat) color.blue / 65536, 1 ); |
| 2158 | CGContextFillRect( cg, rect ); |
| 2159 | } |
| 2160 | |
| 2161 | // reset to normal value |
| 2162 | RGBColor col = MAC_WXCOLORREF( GetBrush().GetColour().GetPixel() ) ; |
| 2163 | CGContextSetRGBFillColor( cg, col.red / 65536.0, col.green / 65536.0, col.blue / 65536.0, 1.0 ); |
| 2164 | } |
| 2165 | break ; |
| 2166 | |
| 2167 | case kwxMacBrushThemeBackground : |
| 2168 | { |
| 2169 | wxFAIL_MSG( wxT("There shouldn't be theme backgrounds under Quartz") ) ; |
| 2170 | |
| 2171 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3 |
| 2172 | if ( UMAGetSystemVersion() >= 0x1030 ) |
| 2173 | { |
| 2174 | HIThemeBackgroundDrawInfo drawInfo ; |
| 2175 | drawInfo.version = 0 ; |
| 2176 | drawInfo.state = kThemeStateActive ; |
| 2177 | drawInfo.kind = m_backgroundBrush.MacGetThemeBackground( NULL ) ; |
| 2178 | if ( drawInfo.kind == kThemeBackgroundMetal ) |
| 2179 | { |
| 2180 | HIThemeDrawBackground( &rect, &drawInfo, cg, kHIThemeOrientationNormal ) ; |
| 2181 | HIThemeApplyBackground( &rect, &drawInfo, cg, kHIThemeOrientationNormal ) ; |
| 2182 | } |
| 2183 | } |
| 2184 | #endif |
| 2185 | } |
| 2186 | break ; |
| 2187 | |
| 2188 | case kwxMacBrushColour : |
| 2189 | { |
| 2190 | // FIXME: doesn't correctly render stippled brushes !! |
| 2191 | // FIXME: should this be replaced by ::SetBrush() ?? |
| 2192 | |
| 2193 | RGBColor col = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) ; |
| 2194 | CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ; |
| 2195 | CGContextFillRect(cg, rect); |
| 2196 | |
| 2197 | // reset to normal value |
| 2198 | col = MAC_WXCOLORREF( GetBrush().GetColour().GetPixel() ) ; |
| 2199 | CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ; |
| 2200 | } |
| 2201 | break ; |
| 2202 | |
| 2203 | default : |
| 2204 | wxFAIL_MSG( wxT("unknown brush kind") ) ; |
| 2205 | break ; |
| 2206 | } |
| 2207 | } |
| 2208 | } |
| 2209 | |
| 2210 | #pragma mark - |
| 2211 | |
| 2212 | // --------------------------------------------------------------------------- |
| 2213 | // coordinates transformations |
| 2214 | // --------------------------------------------------------------------------- |
| 2215 | |
| 2216 | wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const |
| 2217 | { |
| 2218 | return ((wxDC *)this)->XDEV2LOG(x); |
| 2219 | } |
| 2220 | |
| 2221 | wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const |
| 2222 | { |
| 2223 | return ((wxDC *)this)->YDEV2LOG(y); |
| 2224 | } |
| 2225 | |
| 2226 | wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const |
| 2227 | { |
| 2228 | return ((wxDC *)this)->XDEV2LOGREL(x); |
| 2229 | } |
| 2230 | |
| 2231 | wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const |
| 2232 | { |
| 2233 | return ((wxDC *)this)->YDEV2LOGREL(y); |
| 2234 | } |
| 2235 | |
| 2236 | wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const |
| 2237 | { |
| 2238 | return ((wxDC *)this)->XLOG2DEV(x); |
| 2239 | } |
| 2240 | |
| 2241 | wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const |
| 2242 | { |
| 2243 | return ((wxDC *)this)->YLOG2DEV(y); |
| 2244 | } |
| 2245 | |
| 2246 | wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const |
| 2247 | { |
| 2248 | return ((wxDC *)this)->XLOG2DEVREL(x); |
| 2249 | } |
| 2250 | |
| 2251 | wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const |
| 2252 | { |
| 2253 | return ((wxDC *)this)->YLOG2DEVREL(y); |
| 2254 | } |
| 2255 | |
| 2256 | #endif // wxMAC_USE_CORE_GRAPHICS |