| 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 | #if wxUSE_GRAPHICS_CONTEXT && wxMAC_USE_CORE_GRAPHICS |
| 15 | |
| 16 | #include "wx/graphics.h" |
| 17 | |
| 18 | #ifndef WX_PRECOMP |
| 19 | #include "wx/dcclient.h" |
| 20 | #include "wx/dcmemory.h" |
| 21 | #include "wx/log.h" |
| 22 | #include "wx/region.h" |
| 23 | #endif |
| 24 | |
| 25 | #include "wx/mac/uma.h" |
| 26 | |
| 27 | #ifdef __MSL__ |
| 28 | #if __MSL__ >= 0x6000 |
| 29 | #include "math.h" |
| 30 | // in case our functions were defined outside std, we make it known all the same |
| 31 | namespace std { } |
| 32 | using namespace std; |
| 33 | #endif |
| 34 | #endif |
| 35 | |
| 36 | #include "wx/mac/private.h" |
| 37 | |
| 38 | #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4 |
| 39 | typedef float CGFloat; |
| 40 | #endif |
| 41 | #ifndef wxMAC_USE_CORE_GRAPHICS_BLEND_MODES |
| 42 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 |
| 43 | #define wxMAC_USE_CORE_GRAPHICS_BLEND_MODES 1 |
| 44 | #else |
| 45 | #define wxMAC_USE_CORE_GRAPHICS_BLEND_MODES 0 |
| 46 | #endif |
| 47 | #endif |
| 48 | |
| 49 | //----------------------------------------------------------------------------- |
| 50 | // constants |
| 51 | //----------------------------------------------------------------------------- |
| 52 | |
| 53 | #if !defined( __DARWIN__ ) || defined(__MWERKS__) |
| 54 | #ifndef M_PI |
| 55 | const double M_PI = 3.14159265358979; |
| 56 | #endif |
| 57 | #endif |
| 58 | |
| 59 | static const double RAD2DEG = 180.0 / M_PI; |
| 60 | |
| 61 | // |
| 62 | // Pen, Brushes and Fonts |
| 63 | // |
| 64 | |
| 65 | #pragma mark - |
| 66 | #pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes |
| 67 | |
| 68 | // CGPattern wrapper class: always allocate on heap, never call destructor |
| 69 | |
| 70 | class wxMacCoreGraphicsPattern |
| 71 | { |
| 72 | public : |
| 73 | wxMacCoreGraphicsPattern() {} |
| 74 | |
| 75 | // is guaranteed to be called only with a non-Null CGContextRef |
| 76 | virtual void Render( CGContextRef ctxRef ) = 0; |
| 77 | |
| 78 | operator CGPatternRef() const { return m_patternRef; } |
| 79 | |
| 80 | protected : |
| 81 | virtual ~wxMacCoreGraphicsPattern() |
| 82 | { |
| 83 | // as this is called only when the m_patternRef is been released; |
| 84 | // don't release it again |
| 85 | } |
| 86 | |
| 87 | static void _Render( void *info, CGContextRef ctxRef ) |
| 88 | { |
| 89 | wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info; |
| 90 | if ( self && ctxRef ) |
| 91 | self->Render( ctxRef ); |
| 92 | } |
| 93 | |
| 94 | static void _Dispose( void *info ) |
| 95 | { |
| 96 | wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info; |
| 97 | delete self; |
| 98 | } |
| 99 | |
| 100 | CGPatternRef m_patternRef; |
| 101 | |
| 102 | static const CGPatternCallbacks ms_Callbacks; |
| 103 | }; |
| 104 | |
| 105 | const CGPatternCallbacks wxMacCoreGraphicsPattern::ms_Callbacks = { 0, &wxMacCoreGraphicsPattern::_Render, &wxMacCoreGraphicsPattern::_Dispose }; |
| 106 | |
| 107 | class ImagePattern : public wxMacCoreGraphicsPattern |
| 108 | { |
| 109 | public : |
| 110 | ImagePattern( const wxBitmap* bmp , const CGAffineTransform& transform ) |
| 111 | { |
| 112 | wxASSERT( bmp && bmp->Ok() ); |
| 113 | |
| 114 | Init( (CGImageRef) bmp->CGImageCreate() , transform ); |
| 115 | } |
| 116 | |
| 117 | // ImagePattern takes ownership of CGImageRef passed in |
| 118 | ImagePattern( CGImageRef image , const CGAffineTransform& transform ) |
| 119 | { |
| 120 | if ( image ) |
| 121 | CFRetain( image ); |
| 122 | |
| 123 | Init( image , transform ); |
| 124 | } |
| 125 | |
| 126 | virtual void Render( CGContextRef ctxRef ) |
| 127 | { |
| 128 | if (m_image != NULL) |
| 129 | HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image ); |
| 130 | } |
| 131 | |
| 132 | protected : |
| 133 | void Init( CGImageRef image, const CGAffineTransform& transform ) |
| 134 | { |
| 135 | m_image = image; |
| 136 | if ( m_image ) |
| 137 | { |
| 138 | m_imageBounds = CGRectMake( 0.0, 0.0, (CGFloat)CGImageGetWidth( m_image ), (CGFloat)CGImageGetHeight( m_image ) ); |
| 139 | m_patternRef = CGPatternCreate( |
| 140 | this , m_imageBounds, transform , |
| 141 | m_imageBounds.size.width, m_imageBounds.size.height, |
| 142 | kCGPatternTilingNoDistortion, true , &wxMacCoreGraphicsPattern::ms_Callbacks ); |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | virtual ~ImagePattern() |
| 147 | { |
| 148 | if ( m_image ) |
| 149 | CGImageRelease( m_image ); |
| 150 | } |
| 151 | |
| 152 | CGImageRef m_image; |
| 153 | CGRect m_imageBounds; |
| 154 | }; |
| 155 | |
| 156 | class HatchPattern : public wxMacCoreGraphicsPattern |
| 157 | { |
| 158 | public : |
| 159 | HatchPattern( int hatchstyle, const CGAffineTransform& transform ) |
| 160 | { |
| 161 | m_hatch = hatchstyle; |
| 162 | m_imageBounds = CGRectMake( 0.0, 0.0, 8.0 , 8.0 ); |
| 163 | m_patternRef = CGPatternCreate( |
| 164 | this , m_imageBounds, transform , |
| 165 | m_imageBounds.size.width, m_imageBounds.size.height, |
| 166 | kCGPatternTilingNoDistortion, false , &wxMacCoreGraphicsPattern::ms_Callbacks ); |
| 167 | } |
| 168 | |
| 169 | void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count ) |
| 170 | { |
| 171 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 |
| 172 | if ( CGContextStrokeLineSegments!=NULL ) |
| 173 | { |
| 174 | CGContextStrokeLineSegments( ctxRef , pts , count ); |
| 175 | } |
| 176 | else |
| 177 | #endif |
| 178 | { |
| 179 | CGContextBeginPath( ctxRef ); |
| 180 | for (size_t i = 0; i < count; i += 2) |
| 181 | { |
| 182 | CGContextMoveToPoint(ctxRef, pts[i].x, pts[i].y); |
| 183 | CGContextAddLineToPoint(ctxRef, pts[i+1].x, pts[i+1].y); |
| 184 | } |
| 185 | CGContextStrokePath(ctxRef); |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | virtual void Render( CGContextRef ctxRef ) |
| 190 | { |
| 191 | switch ( m_hatch ) |
| 192 | { |
| 193 | case wxBDIAGONAL_HATCH : |
| 194 | { |
| 195 | CGPoint pts[] = |
| 196 | { |
| 197 | { 8.0 , 0.0 } , { 0.0 , 8.0 } |
| 198 | }; |
| 199 | StrokeLineSegments( ctxRef , pts , 2 ); |
| 200 | } |
| 201 | break; |
| 202 | |
| 203 | case wxCROSSDIAG_HATCH : |
| 204 | { |
| 205 | CGPoint pts[] = |
| 206 | { |
| 207 | { 0.0 , 0.0 } , { 8.0 , 8.0 } , |
| 208 | { 8.0 , 0.0 } , { 0.0 , 8.0 } |
| 209 | }; |
| 210 | StrokeLineSegments( ctxRef , pts , 4 ); |
| 211 | } |
| 212 | break; |
| 213 | |
| 214 | case wxFDIAGONAL_HATCH : |
| 215 | { |
| 216 | CGPoint pts[] = |
| 217 | { |
| 218 | { 0.0 , 0.0 } , { 8.0 , 8.0 } |
| 219 | }; |
| 220 | StrokeLineSegments( ctxRef , pts , 2 ); |
| 221 | } |
| 222 | break; |
| 223 | |
| 224 | case wxCROSS_HATCH : |
| 225 | { |
| 226 | CGPoint pts[] = |
| 227 | { |
| 228 | { 0.0 , 4.0 } , { 8.0 , 4.0 } , |
| 229 | { 4.0 , 0.0 } , { 4.0 , 8.0 } , |
| 230 | }; |
| 231 | StrokeLineSegments( ctxRef , pts , 4 ); |
| 232 | } |
| 233 | break; |
| 234 | |
| 235 | case wxHORIZONTAL_HATCH : |
| 236 | { |
| 237 | CGPoint pts[] = |
| 238 | { |
| 239 | { 0.0 , 4.0 } , { 8.0 , 4.0 } , |
| 240 | }; |
| 241 | StrokeLineSegments( ctxRef , pts , 2 ); |
| 242 | } |
| 243 | break; |
| 244 | |
| 245 | case wxVERTICAL_HATCH : |
| 246 | { |
| 247 | CGPoint pts[] = |
| 248 | { |
| 249 | { 4.0 , 0.0 } , { 4.0 , 8.0 } , |
| 250 | }; |
| 251 | StrokeLineSegments( ctxRef , pts , 2 ); |
| 252 | } |
| 253 | break; |
| 254 | |
| 255 | default: |
| 256 | break; |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | protected : |
| 261 | virtual ~HatchPattern() {} |
| 262 | |
| 263 | CGRect m_imageBounds; |
| 264 | int m_hatch; |
| 265 | }; |
| 266 | |
| 267 | class wxMacCoreGraphicsPenData : public wxGraphicsObjectRefData |
| 268 | { |
| 269 | public: |
| 270 | wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer, const wxPen &pen ); |
| 271 | ~wxMacCoreGraphicsPenData(); |
| 272 | |
| 273 | void Init(); |
| 274 | virtual void Apply( wxGraphicsContext* context ); |
| 275 | virtual wxDouble GetWidth() { return m_width; } |
| 276 | |
| 277 | protected : |
| 278 | CGLineCap m_cap; |
| 279 | wxMacCFRefHolder<CGColorRef> m_color; |
| 280 | wxMacCFRefHolder<CGColorSpaceRef> m_colorSpace; |
| 281 | |
| 282 | CGLineJoin m_join; |
| 283 | CGFloat m_width; |
| 284 | |
| 285 | int m_count; |
| 286 | const CGFloat *m_lengths; |
| 287 | CGFloat *m_userLengths; |
| 288 | |
| 289 | |
| 290 | bool m_isPattern; |
| 291 | wxMacCFRefHolder<CGPatternRef> m_pattern; |
| 292 | CGFloat* m_patternColorComponents; |
| 293 | }; |
| 294 | |
| 295 | wxMacCoreGraphicsPenData::wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) : |
| 296 | wxGraphicsObjectRefData( renderer ) |
| 297 | { |
| 298 | Init(); |
| 299 | |
| 300 | float components[4] = { pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 , |
| 301 | pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 } ; |
| 302 | m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ; |
| 303 | |
| 304 | // TODO: * m_dc->m_scaleX |
| 305 | m_width = pen.GetWidth(); |
| 306 | if (m_width <= 0.0) |
| 307 | m_width = 0.1; |
| 308 | |
| 309 | switch ( pen.GetCap() ) |
| 310 | { |
| 311 | case wxCAP_ROUND : |
| 312 | m_cap = kCGLineCapRound; |
| 313 | break; |
| 314 | |
| 315 | case wxCAP_PROJECTING : |
| 316 | m_cap = kCGLineCapSquare; |
| 317 | break; |
| 318 | |
| 319 | case wxCAP_BUTT : |
| 320 | m_cap = kCGLineCapButt; |
| 321 | break; |
| 322 | |
| 323 | default : |
| 324 | m_cap = kCGLineCapButt; |
| 325 | break; |
| 326 | } |
| 327 | |
| 328 | switch ( pen.GetJoin() ) |
| 329 | { |
| 330 | case wxJOIN_BEVEL : |
| 331 | m_join = kCGLineJoinBevel; |
| 332 | break; |
| 333 | |
| 334 | case wxJOIN_MITER : |
| 335 | m_join = kCGLineJoinMiter; |
| 336 | break; |
| 337 | |
| 338 | case wxJOIN_ROUND : |
| 339 | m_join = kCGLineJoinRound; |
| 340 | break; |
| 341 | |
| 342 | default : |
| 343 | m_join = kCGLineJoinMiter; |
| 344 | break; |
| 345 | } |
| 346 | |
| 347 | const CGFloat dashUnit = m_width < 1.0 ? 1.0 : m_width; |
| 348 | |
| 349 | const CGFloat dotted[] = { dashUnit , dashUnit + 2.0 }; |
| 350 | static const CGFloat short_dashed[] = { 9.0 , 6.0 }; |
| 351 | static const CGFloat dashed[] = { 19.0 , 9.0 }; |
| 352 | static const CGFloat dotted_dashed[] = { 9.0 , 6.0 , 3.0 , 3.0 }; |
| 353 | |
| 354 | switch ( pen.GetStyle() ) |
| 355 | { |
| 356 | case wxSOLID : |
| 357 | break; |
| 358 | |
| 359 | case wxDOT : |
| 360 | m_count = WXSIZEOF(dotted); |
| 361 | m_userLengths = new CGFloat[ m_count ] ; |
| 362 | memcpy( m_userLengths, dotted, sizeof(dotted) ); |
| 363 | m_lengths = m_userLengths; |
| 364 | break; |
| 365 | |
| 366 | case wxLONG_DASH : |
| 367 | m_count = WXSIZEOF(dashed); |
| 368 | m_lengths = dashed; |
| 369 | break; |
| 370 | |
| 371 | case wxSHORT_DASH : |
| 372 | m_count = WXSIZEOF(short_dashed); |
| 373 | m_lengths = short_dashed; |
| 374 | break; |
| 375 | |
| 376 | case wxDOT_DASH : |
| 377 | m_count = WXSIZEOF(dotted_dashed); |
| 378 | m_lengths = dotted_dashed; |
| 379 | break; |
| 380 | |
| 381 | case wxUSER_DASH : |
| 382 | wxDash *dashes; |
| 383 | m_count = pen.GetDashes( &dashes ); |
| 384 | if ((dashes != NULL) && (m_count > 0)) |
| 385 | { |
| 386 | m_userLengths = new CGFloat[m_count]; |
| 387 | for ( int i = 0; i < m_count; ++i ) |
| 388 | { |
| 389 | m_userLengths[i] = dashes[i] * dashUnit; |
| 390 | |
| 391 | if ( i % 2 == 1 && m_userLengths[i] < dashUnit + 2.0 ) |
| 392 | m_userLengths[i] = dashUnit + 2.0; |
| 393 | else if ( i % 2 == 0 && m_userLengths[i] < dashUnit ) |
| 394 | m_userLengths[i] = dashUnit; |
| 395 | } |
| 396 | } |
| 397 | m_lengths = m_userLengths; |
| 398 | break; |
| 399 | |
| 400 | case wxSTIPPLE : |
| 401 | { |
| 402 | wxBitmap* bmp = pen.GetStipple(); |
| 403 | if ( bmp && bmp->Ok() ) |
| 404 | { |
| 405 | m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) ); |
| 406 | m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) ); |
| 407 | m_patternColorComponents = new CGFloat[1] ; |
| 408 | m_patternColorComponents[0] = 1.0; |
| 409 | m_isPattern = true; |
| 410 | } |
| 411 | } |
| 412 | break; |
| 413 | |
| 414 | default : |
| 415 | { |
| 416 | m_isPattern = true; |
| 417 | m_colorSpace.Set( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ); |
| 418 | m_pattern.Set( *( new HatchPattern( pen.GetStyle() , CGAffineTransformMakeScale( 1,-1 ) ) ) ); |
| 419 | m_patternColorComponents = new CGFloat[4] ; |
| 420 | m_patternColorComponents[0] = pen.GetColour().Red() / 255.0; |
| 421 | m_patternColorComponents[1] = pen.GetColour().Green() / 255.0; |
| 422 | m_patternColorComponents[2] = pen.GetColour().Blue() / 255.0; |
| 423 | m_patternColorComponents[3] = pen.GetColour().Alpha() / 255.0; |
| 424 | } |
| 425 | break; |
| 426 | } |
| 427 | if ((m_lengths != NULL) && (m_count > 0)) |
| 428 | { |
| 429 | // force the line cap, otherwise we get artifacts (overlaps) and just solid lines |
| 430 | m_cap = kCGLineCapButt; |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | wxMacCoreGraphicsPenData::~wxMacCoreGraphicsPenData() |
| 435 | { |
| 436 | delete[] m_userLengths; |
| 437 | delete[] m_patternColorComponents; |
| 438 | } |
| 439 | |
| 440 | void wxMacCoreGraphicsPenData::Init() |
| 441 | { |
| 442 | m_lengths = NULL; |
| 443 | m_userLengths = NULL; |
| 444 | m_width = 0; |
| 445 | m_count = 0; |
| 446 | m_patternColorComponents = NULL; |
| 447 | m_isPattern = false; |
| 448 | } |
| 449 | |
| 450 | void wxMacCoreGraphicsPenData::Apply( wxGraphicsContext* context ) |
| 451 | { |
| 452 | CGContextRef cg = (CGContextRef) context->GetNativeContext(); |
| 453 | CGContextSetLineWidth( cg , m_width ); |
| 454 | CGContextSetLineJoin( cg , m_join ); |
| 455 | |
| 456 | CGContextSetLineDash( cg , 0 , m_lengths , m_count ); |
| 457 | CGContextSetLineCap( cg , m_cap ); |
| 458 | |
| 459 | if ( m_isPattern ) |
| 460 | { |
| 461 | CGAffineTransform matrix = CGContextGetCTM( cg ); |
| 462 | CGContextSetPatternPhase( cg, CGSizeMake(matrix.tx, matrix.ty) ); |
| 463 | CGContextSetStrokeColorSpace( cg , m_colorSpace ); |
| 464 | CGContextSetStrokePattern( cg, m_pattern , m_patternColorComponents ); |
| 465 | } |
| 466 | else |
| 467 | { |
| 468 | if ( context->GetLogicalFunction() == wxINVERT || context->GetLogicalFunction() == wxXOR ) |
| 469 | { |
| 470 | CGContextSetRGBStrokeColor( cg , 1.0, 1.0 , 1.0, 1.0 ); |
| 471 | } |
| 472 | else |
| 473 | CGContextSetStrokeColorWithColor( cg , m_color ); |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | // |
| 478 | // Brush |
| 479 | // |
| 480 | |
| 481 | class wxMacCoreGraphicsBrushData : public wxGraphicsObjectRefData |
| 482 | { |
| 483 | public: |
| 484 | wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer ); |
| 485 | wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush ); |
| 486 | ~wxMacCoreGraphicsBrushData (); |
| 487 | |
| 488 | virtual void Apply( wxGraphicsContext* context ); |
| 489 | void CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, |
| 490 | const wxColour&c1, const wxColour&c2 ); |
| 491 | void CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, |
| 492 | const wxColour &oColor, const wxColour &cColor ); |
| 493 | |
| 494 | virtual bool IsShading() { return m_isShading; } |
| 495 | CGShadingRef GetShading() { return m_shading; } |
| 496 | protected: |
| 497 | CGFunctionRef CreateGradientFunction( const wxColour& c1, const wxColour& c2 ); |
| 498 | static void CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out); |
| 499 | virtual void Init(); |
| 500 | |
| 501 | wxMacCFRefHolder<CGColorRef> m_color; |
| 502 | wxMacCFRefHolder<CGColorSpaceRef> m_colorSpace; |
| 503 | |
| 504 | bool m_isPattern; |
| 505 | wxMacCFRefHolder<CGPatternRef> m_pattern; |
| 506 | CGFloat* m_patternColorComponents; |
| 507 | |
| 508 | bool m_isShading; |
| 509 | CGFunctionRef m_gradientFunction; |
| 510 | CGShadingRef m_shading; |
| 511 | CGFloat *m_gradientComponents; |
| 512 | }; |
| 513 | |
| 514 | wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer) : wxGraphicsObjectRefData( renderer ) |
| 515 | { |
| 516 | Init(); |
| 517 | } |
| 518 | |
| 519 | void wxMacCoreGraphicsBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, |
| 520 | const wxColour&c1, const wxColour&c2 ) |
| 521 | { |
| 522 | m_gradientFunction = CreateGradientFunction( c1, c2 ); |
| 523 | m_shading = CGShadingCreateAxial( wxMacGetGenericRGBColorSpace(), CGPointMake(x1,y1), CGPointMake(x2,y2), m_gradientFunction, true, true ) ; |
| 524 | m_isShading = true ; |
| 525 | } |
| 526 | |
| 527 | void wxMacCoreGraphicsBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, |
| 528 | const wxColour &oColor, const wxColour &cColor ) |
| 529 | { |
| 530 | m_gradientFunction = CreateGradientFunction( oColor, cColor ); |
| 531 | m_shading = CGShadingCreateRadial( wxMacGetGenericRGBColorSpace(), CGPointMake(xo,yo), 0, CGPointMake(xc,yc), radius, m_gradientFunction, true, true ) ; |
| 532 | m_isShading = true ; |
| 533 | } |
| 534 | |
| 535 | wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData(wxGraphicsRenderer* renderer, const wxBrush &brush) : wxGraphicsObjectRefData( renderer ) |
| 536 | { |
| 537 | Init(); |
| 538 | |
| 539 | if ( brush.GetStyle() == wxSOLID ) |
| 540 | { |
| 541 | if ( brush.MacGetBrushKind() == kwxMacBrushTheme ) |
| 542 | { |
| 543 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 |
| 544 | if ( HIThemeBrushCreateCGColor != 0 ) |
| 545 | { |
| 546 | CGColorRef color ; |
| 547 | HIThemeBrushCreateCGColor( brush.MacGetTheme(), &color ); |
| 548 | m_color.Set( color ) ; |
| 549 | } |
| 550 | else |
| 551 | #endif |
| 552 | { |
| 553 | // as close as we can get, unfortunately < 10.4 things get difficult |
| 554 | RGBColor color; |
| 555 | GetThemeBrushAsColor( brush.MacGetTheme(), 32, true, &color ); |
| 556 | float components[4] = { (CGFloat) color.red / 65536, |
| 557 | (CGFloat) color.green / 65536, (CGFloat) color.blue / 65536, 1 } ; |
| 558 | m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ; |
| 559 | } |
| 560 | } |
| 561 | else |
| 562 | { |
| 563 | float components[4] = { brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 , |
| 564 | brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 } ; |
| 565 | m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ; |
| 566 | } |
| 567 | } |
| 568 | else if ( brush.IsHatch() ) |
| 569 | { |
| 570 | m_isPattern = true; |
| 571 | m_colorSpace.Set( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ); |
| 572 | m_pattern.Set( *( new HatchPattern( brush.GetStyle() , CGAffineTransformMakeScale( 1,-1 ) ) ) ); |
| 573 | |
| 574 | m_patternColorComponents = new CGFloat[4] ; |
| 575 | m_patternColorComponents[0] = brush.GetColour().Red() / 255.0; |
| 576 | m_patternColorComponents[1] = brush.GetColour().Green() / 255.0; |
| 577 | m_patternColorComponents[2] = brush.GetColour().Blue() / 255.0; |
| 578 | m_patternColorComponents[3] = brush.GetColour().Alpha() / 255.0; |
| 579 | } |
| 580 | else |
| 581 | { |
| 582 | // now brush is a bitmap |
| 583 | wxBitmap* bmp = brush.GetStipple(); |
| 584 | if ( bmp && bmp->Ok() ) |
| 585 | { |
| 586 | m_isPattern = true; |
| 587 | m_patternColorComponents = new CGFloat[1] ; |
| 588 | m_patternColorComponents[0] = 1.0; |
| 589 | m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) ); |
| 590 | m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) ); |
| 591 | } |
| 592 | } |
| 593 | } |
| 594 | |
| 595 | wxMacCoreGraphicsBrushData::~wxMacCoreGraphicsBrushData() |
| 596 | { |
| 597 | if ( m_shading ) |
| 598 | CGShadingRelease(m_shading); |
| 599 | |
| 600 | if( m_gradientFunction ) |
| 601 | CGFunctionRelease(m_gradientFunction); |
| 602 | |
| 603 | delete[] m_gradientComponents; |
| 604 | delete[] m_patternColorComponents; |
| 605 | } |
| 606 | |
| 607 | void wxMacCoreGraphicsBrushData::Init() |
| 608 | { |
| 609 | m_patternColorComponents = NULL; |
| 610 | m_gradientFunction = NULL; |
| 611 | m_shading = NULL; |
| 612 | m_isPattern = false; |
| 613 | m_gradientComponents = NULL; |
| 614 | m_isShading = false; |
| 615 | } |
| 616 | |
| 617 | void wxMacCoreGraphicsBrushData::Apply( wxGraphicsContext* context ) |
| 618 | { |
| 619 | CGContextRef cg = (CGContextRef) context->GetNativeContext(); |
| 620 | |
| 621 | if ( m_isShading ) |
| 622 | { |
| 623 | // nothing to set as shades are processed by clipping using the path and filling |
| 624 | } |
| 625 | else |
| 626 | { |
| 627 | if ( m_isPattern ) |
| 628 | { |
| 629 | CGAffineTransform matrix = CGContextGetCTM( cg ); |
| 630 | CGContextSetPatternPhase( cg, CGSizeMake(matrix.tx, matrix.ty) ); |
| 631 | CGContextSetFillColorSpace( cg , m_colorSpace ); |
| 632 | CGContextSetFillPattern( cg, m_pattern , m_patternColorComponents ); |
| 633 | } |
| 634 | else |
| 635 | { |
| 636 | CGContextSetFillColorWithColor( cg, m_color ); |
| 637 | } |
| 638 | } |
| 639 | } |
| 640 | |
| 641 | void wxMacCoreGraphicsBrushData::CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out) |
| 642 | { |
| 643 | CGFloat* colors = (CGFloat*) info ; |
| 644 | CGFloat f = *in; |
| 645 | for( int i = 0 ; i < 4 ; ++i ) |
| 646 | { |
| 647 | out[i] = colors[i] + ( colors[4+i] - colors[i] ) * f; |
| 648 | } |
| 649 | } |
| 650 | |
| 651 | CGFunctionRef wxMacCoreGraphicsBrushData::CreateGradientFunction( const wxColour& c1, const wxColour& c2 ) |
| 652 | { |
| 653 | static const CGFunctionCallbacks callbacks = { 0, &CalculateShadingValues, NULL }; |
| 654 | static const CGFloat input_value_range [2] = { 0, 1 }; |
| 655 | static const CGFloat output_value_ranges [8] = { 0, 1, 0, 1, 0, 1, 0, 1 }; |
| 656 | m_gradientComponents = new CGFloat[8] ; |
| 657 | m_gradientComponents[0] = c1.Red() / 255.0; |
| 658 | m_gradientComponents[1] = c1.Green() / 255.0; |
| 659 | m_gradientComponents[2] = c1.Blue() / 255.0; |
| 660 | m_gradientComponents[3] = c1.Alpha() / 255.0; |
| 661 | m_gradientComponents[4] = c2.Red() / 255.0; |
| 662 | m_gradientComponents[5] = c2.Green() / 255.0; |
| 663 | m_gradientComponents[6] = c2.Blue() / 255.0; |
| 664 | m_gradientComponents[7] = c2.Alpha() / 255.0; |
| 665 | |
| 666 | return CGFunctionCreate ( m_gradientComponents, 1, |
| 667 | input_value_range, |
| 668 | 4, |
| 669 | output_value_ranges, |
| 670 | &callbacks); |
| 671 | } |
| 672 | |
| 673 | // |
| 674 | // Font |
| 675 | // |
| 676 | |
| 677 | class wxMacCoreGraphicsFontData : public wxGraphicsObjectRefData |
| 678 | { |
| 679 | public: |
| 680 | wxMacCoreGraphicsFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col ); |
| 681 | ~wxMacCoreGraphicsFontData(); |
| 682 | |
| 683 | virtual ATSUStyle GetATSUStyle() { return m_macATSUIStyle; } |
| 684 | private : |
| 685 | ATSUStyle m_macATSUIStyle; |
| 686 | }; |
| 687 | |
| 688 | wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col) : wxGraphicsObjectRefData( renderer ) |
| 689 | { |
| 690 | m_macATSUIStyle = NULL; |
| 691 | |
| 692 | OSStatus status; |
| 693 | |
| 694 | status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , &m_macATSUIStyle ); |
| 695 | |
| 696 | wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") ); |
| 697 | |
| 698 | // we need the scale here ... |
| 699 | |
| 700 | Fixed atsuSize = IntToFixed( int( 1 * font.MacGetFontSize()) ); |
| 701 | RGBColor atsuColor = MAC_WXCOLORREF( col.GetPixel() ); |
| 702 | ATSUAttributeTag atsuTags[] = |
| 703 | { |
| 704 | kATSUSizeTag , |
| 705 | kATSUColorTag , |
| 706 | }; |
| 707 | ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = |
| 708 | { |
| 709 | sizeof( Fixed ) , |
| 710 | sizeof( RGBColor ) , |
| 711 | }; |
| 712 | ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = |
| 713 | { |
| 714 | &atsuSize , |
| 715 | &atsuColor , |
| 716 | }; |
| 717 | |
| 718 | status = ::ATSUSetAttributes( |
| 719 | m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) , |
| 720 | atsuTags, atsuSizes, atsuValues); |
| 721 | |
| 722 | wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") ); |
| 723 | } |
| 724 | |
| 725 | wxMacCoreGraphicsFontData::~wxMacCoreGraphicsFontData() |
| 726 | { |
| 727 | if ( m_macATSUIStyle ) |
| 728 | { |
| 729 | ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle); |
| 730 | m_macATSUIStyle = NULL; |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | // |
| 735 | // Graphics Matrix |
| 736 | // |
| 737 | |
| 738 | //----------------------------------------------------------------------------- |
| 739 | // wxMacCoreGraphicsMatrix declaration |
| 740 | //----------------------------------------------------------------------------- |
| 741 | |
| 742 | class WXDLLIMPEXP_CORE wxMacCoreGraphicsMatrixData : public wxGraphicsMatrixData |
| 743 | { |
| 744 | public : |
| 745 | wxMacCoreGraphicsMatrixData(wxGraphicsRenderer* renderer) ; |
| 746 | |
| 747 | virtual ~wxMacCoreGraphicsMatrixData() ; |
| 748 | |
| 749 | virtual wxGraphicsObjectRefData *Clone() const ; |
| 750 | |
| 751 | // concatenates the matrix |
| 752 | virtual void Concat( const wxGraphicsMatrixData *t ); |
| 753 | |
| 754 | // sets the matrix to the respective values |
| 755 | virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, |
| 756 | wxDouble tx=0.0, wxDouble ty=0.0); |
| 757 | |
| 758 | // gets the component valuess of the matrix |
| 759 | virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL, wxDouble* c=NULL, |
| 760 | wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const; |
| 761 | |
| 762 | // makes this the inverse matrix |
| 763 | virtual void Invert(); |
| 764 | |
| 765 | // returns true if the elements of the transformation matrix are equal ? |
| 766 | virtual bool IsEqual( const wxGraphicsMatrixData* t) const ; |
| 767 | |
| 768 | // return true if this is the identity matrix |
| 769 | virtual bool IsIdentity() const; |
| 770 | |
| 771 | // |
| 772 | // transformation |
| 773 | // |
| 774 | |
| 775 | // add the translation to this matrix |
| 776 | virtual void Translate( wxDouble dx , wxDouble dy ); |
| 777 | |
| 778 | // add the scale to this matrix |
| 779 | virtual void Scale( wxDouble xScale , wxDouble yScale ); |
| 780 | |
| 781 | // add the rotation to this matrix (radians) |
| 782 | virtual void Rotate( wxDouble angle ); |
| 783 | |
| 784 | // |
| 785 | // apply the transforms |
| 786 | // |
| 787 | |
| 788 | // applies that matrix to the point |
| 789 | virtual void TransformPoint( wxDouble *x, wxDouble *y ) const; |
| 790 | |
| 791 | // applies the matrix except for translations |
| 792 | virtual void TransformDistance( wxDouble *dx, wxDouble *dy ) const; |
| 793 | |
| 794 | // returns the native representation |
| 795 | virtual void * GetNativeMatrix() const; |
| 796 | |
| 797 | private : |
| 798 | CGAffineTransform m_matrix; |
| 799 | } ; |
| 800 | |
| 801 | //----------------------------------------------------------------------------- |
| 802 | // wxMacCoreGraphicsMatrix implementation |
| 803 | //----------------------------------------------------------------------------- |
| 804 | |
| 805 | wxMacCoreGraphicsMatrixData::wxMacCoreGraphicsMatrixData(wxGraphicsRenderer* renderer) : wxGraphicsMatrixData(renderer) |
| 806 | { |
| 807 | } |
| 808 | |
| 809 | wxMacCoreGraphicsMatrixData::~wxMacCoreGraphicsMatrixData() |
| 810 | { |
| 811 | } |
| 812 | |
| 813 | wxGraphicsObjectRefData *wxMacCoreGraphicsMatrixData::Clone() const |
| 814 | { |
| 815 | wxMacCoreGraphicsMatrixData* m = new wxMacCoreGraphicsMatrixData(GetRenderer()) ; |
| 816 | m->m_matrix = m_matrix ; |
| 817 | return m; |
| 818 | } |
| 819 | |
| 820 | // concatenates the matrix |
| 821 | void wxMacCoreGraphicsMatrixData::Concat( const wxGraphicsMatrixData *t ) |
| 822 | { |
| 823 | m_matrix = CGAffineTransformConcat(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()) ); |
| 824 | } |
| 825 | |
| 826 | // sets the matrix to the respective values |
| 827 | void wxMacCoreGraphicsMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d, |
| 828 | wxDouble tx, wxDouble ty) |
| 829 | { |
| 830 | m_matrix = CGAffineTransformMake(a,b,c,d,tx,ty); |
| 831 | } |
| 832 | |
| 833 | // gets the component valuess of the matrix |
| 834 | void wxMacCoreGraphicsMatrixData::Get(wxDouble* a, wxDouble* b, wxDouble* c, |
| 835 | wxDouble* d, wxDouble* tx, wxDouble* ty) const |
| 836 | { |
| 837 | if (a) *a = m_matrix.a; |
| 838 | if (b) *b = m_matrix.b; |
| 839 | if (c) *c = m_matrix.c; |
| 840 | if (d) *d = m_matrix.d; |
| 841 | if (tx) *tx= m_matrix.tx; |
| 842 | if (ty) *ty= m_matrix.ty; |
| 843 | } |
| 844 | |
| 845 | // makes this the inverse matrix |
| 846 | void wxMacCoreGraphicsMatrixData::Invert() |
| 847 | { |
| 848 | m_matrix = CGAffineTransformInvert( m_matrix ); |
| 849 | } |
| 850 | |
| 851 | // returns true if the elements of the transformation matrix are equal ? |
| 852 | bool wxMacCoreGraphicsMatrixData::IsEqual( const wxGraphicsMatrixData* t) const |
| 853 | { |
| 854 | const CGAffineTransform* tm = (CGAffineTransform*) t->GetNativeMatrix(); |
| 855 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 |
| 856 | if ( CGAffineTransformEqualToTransform!=NULL ) |
| 857 | { |
| 858 | return CGAffineTransformEqualToTransform(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix())); |
| 859 | } |
| 860 | else |
| 861 | #endif |
| 862 | { |
| 863 | return ( |
| 864 | m_matrix.a == tm->a && |
| 865 | m_matrix.b == tm->b && |
| 866 | m_matrix.c == tm->c && |
| 867 | m_matrix.d == tm->d && |
| 868 | m_matrix.tx == tm->tx && |
| 869 | m_matrix.ty == tm->ty ) ; |
| 870 | } |
| 871 | } |
| 872 | |
| 873 | // return true if this is the identity matrix |
| 874 | bool wxMacCoreGraphicsMatrixData::IsIdentity() const |
| 875 | { |
| 876 | return ( m_matrix.a == 1 && m_matrix.d == 1 && |
| 877 | m_matrix.b == 0 && m_matrix.d == 0 && m_matrix.tx == 0 && m_matrix.ty == 0); |
| 878 | } |
| 879 | |
| 880 | // |
| 881 | // transformation |
| 882 | // |
| 883 | |
| 884 | // add the translation to this matrix |
| 885 | void wxMacCoreGraphicsMatrixData::Translate( wxDouble dx , wxDouble dy ) |
| 886 | { |
| 887 | m_matrix = CGAffineTransformTranslate( m_matrix, dx, dy); |
| 888 | } |
| 889 | |
| 890 | // add the scale to this matrix |
| 891 | void wxMacCoreGraphicsMatrixData::Scale( wxDouble xScale , wxDouble yScale ) |
| 892 | { |
| 893 | m_matrix = CGAffineTransformScale( m_matrix, xScale, yScale); |
| 894 | } |
| 895 | |
| 896 | // add the rotation to this matrix (radians) |
| 897 | void wxMacCoreGraphicsMatrixData::Rotate( wxDouble angle ) |
| 898 | { |
| 899 | m_matrix = CGAffineTransformRotate( m_matrix, angle); |
| 900 | } |
| 901 | |
| 902 | // |
| 903 | // apply the transforms |
| 904 | // |
| 905 | |
| 906 | // applies that matrix to the point |
| 907 | void wxMacCoreGraphicsMatrixData::TransformPoint( wxDouble *x, wxDouble *y ) const |
| 908 | { |
| 909 | CGPoint pt = CGPointApplyAffineTransform( CGPointMake(*x,*y), m_matrix); |
| 910 | |
| 911 | *x = pt.x; |
| 912 | *y = pt.y; |
| 913 | } |
| 914 | |
| 915 | // applies the matrix except for translations |
| 916 | void wxMacCoreGraphicsMatrixData::TransformDistance( wxDouble *dx, wxDouble *dy ) const |
| 917 | { |
| 918 | CGSize sz = CGSizeApplyAffineTransform( CGSizeMake(*dx,*dy) , m_matrix ); |
| 919 | *dx = sz.width; |
| 920 | *dy = sz.height; |
| 921 | } |
| 922 | |
| 923 | // returns the native representation |
| 924 | void * wxMacCoreGraphicsMatrixData::GetNativeMatrix() const |
| 925 | { |
| 926 | return (void*) &m_matrix; |
| 927 | } |
| 928 | |
| 929 | // |
| 930 | // Graphics Path |
| 931 | // |
| 932 | |
| 933 | //----------------------------------------------------------------------------- |
| 934 | // wxMacCoreGraphicsPath declaration |
| 935 | //----------------------------------------------------------------------------- |
| 936 | |
| 937 | class WXDLLEXPORT wxMacCoreGraphicsPathData : public wxGraphicsPathData |
| 938 | { |
| 939 | public : |
| 940 | wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path = NULL); |
| 941 | |
| 942 | ~wxMacCoreGraphicsPathData(); |
| 943 | |
| 944 | virtual wxGraphicsObjectRefData *Clone() const; |
| 945 | |
| 946 | // begins a new subpath at (x,y) |
| 947 | virtual void MoveToPoint( wxDouble x, wxDouble y ); |
| 948 | |
| 949 | // adds a straight line from the current point to (x,y) |
| 950 | virtual void AddLineToPoint( wxDouble x, wxDouble y ); |
| 951 | |
| 952 | // adds a cubic Bezier curve from the current point, using two control points and an end point |
| 953 | virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ); |
| 954 | |
| 955 | // closes the current sub-path |
| 956 | virtual void CloseSubpath(); |
| 957 | |
| 958 | // gets the last point of the current path, (0,0) if not yet set |
| 959 | virtual void GetCurrentPoint( wxDouble* x, wxDouble* y) const; |
| 960 | |
| 961 | // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle |
| 962 | virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ); |
| 963 | |
| 964 | // |
| 965 | // These are convenience functions which - if not available natively will be assembled |
| 966 | // using the primitives from above |
| 967 | // |
| 968 | |
| 969 | // adds a quadratic Bezier curve from the current point, using a control point and an end point |
| 970 | virtual void AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y ); |
| 971 | |
| 972 | // appends a rectangle as a new closed subpath |
| 973 | virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ); |
| 974 | |
| 975 | // appends an ellipsis as a new closed subpath fitting the passed rectangle |
| 976 | virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r ); |
| 977 | |
| 978 | // draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1) |
| 979 | virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ); |
| 980 | |
| 981 | // adds another path |
| 982 | virtual void AddPath( const wxGraphicsPathData* path ); |
| 983 | |
| 984 | // returns the native path |
| 985 | virtual void * GetNativePath() const { return m_path; } |
| 986 | |
| 987 | // give the native path returned by GetNativePath() back (there might be some deallocations necessary) |
| 988 | virtual void UnGetNativePath(void *p) const {} |
| 989 | |
| 990 | // transforms each point of this path by the matrix |
| 991 | virtual void Transform( const wxGraphicsMatrixData* matrix ); |
| 992 | |
| 993 | // gets the bounding box enclosing all points (possibly including control points) |
| 994 | virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *y) const; |
| 995 | |
| 996 | virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxODDEVEN_RULE) const; |
| 997 | private : |
| 998 | CGMutablePathRef m_path; |
| 999 | }; |
| 1000 | |
| 1001 | //----------------------------------------------------------------------------- |
| 1002 | // wxMacCoreGraphicsPath implementation |
| 1003 | //----------------------------------------------------------------------------- |
| 1004 | |
| 1005 | wxMacCoreGraphicsPathData::wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path) : wxGraphicsPathData(renderer) |
| 1006 | { |
| 1007 | if ( path ) |
| 1008 | m_path = path; |
| 1009 | else |
| 1010 | m_path = CGPathCreateMutable(); |
| 1011 | } |
| 1012 | |
| 1013 | wxMacCoreGraphicsPathData::~wxMacCoreGraphicsPathData() |
| 1014 | { |
| 1015 | CGPathRelease( m_path ); |
| 1016 | } |
| 1017 | |
| 1018 | wxGraphicsObjectRefData* wxMacCoreGraphicsPathData::Clone() const |
| 1019 | { |
| 1020 | wxMacCoreGraphicsPathData* clone = new wxMacCoreGraphicsPathData(GetRenderer(),CGPathCreateMutableCopy(m_path)); |
| 1021 | return clone ; |
| 1022 | } |
| 1023 | |
| 1024 | |
| 1025 | // opens (starts) a new subpath |
| 1026 | void wxMacCoreGraphicsPathData::MoveToPoint( wxDouble x1 , wxDouble y1 ) |
| 1027 | { |
| 1028 | CGPathMoveToPoint( m_path , NULL , x1 , y1 ); |
| 1029 | } |
| 1030 | |
| 1031 | void wxMacCoreGraphicsPathData::AddLineToPoint( wxDouble x1 , wxDouble y1 ) |
| 1032 | { |
| 1033 | CGPathAddLineToPoint( m_path , NULL , x1 , y1 ); |
| 1034 | } |
| 1035 | |
| 1036 | void wxMacCoreGraphicsPathData::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) |
| 1037 | { |
| 1038 | CGPathAddCurveToPoint( m_path , NULL , cx1 , cy1 , cx2, cy2, x , y ); |
| 1039 | } |
| 1040 | |
| 1041 | void wxMacCoreGraphicsPathData::AddQuadCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble x, wxDouble y ) |
| 1042 | { |
| 1043 | CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x , y ); |
| 1044 | } |
| 1045 | |
| 1046 | void wxMacCoreGraphicsPathData::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) |
| 1047 | { |
| 1048 | CGRect cgRect = { { x , y } , { w , h } }; |
| 1049 | CGPathAddRect( m_path , NULL , cgRect ); |
| 1050 | } |
| 1051 | |
| 1052 | void wxMacCoreGraphicsPathData::AddCircle( wxDouble x, wxDouble y , wxDouble r ) |
| 1053 | { |
| 1054 | CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true ); |
| 1055 | } |
| 1056 | |
| 1057 | // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle |
| 1058 | void wxMacCoreGraphicsPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ) |
| 1059 | { |
| 1060 | // inverse direction as we the 'normal' state is a y axis pointing down, ie mirrored to the standard core graphics setup |
| 1061 | CGPathAddArc( m_path, NULL , x, y, r, startAngle, endAngle, !clockwise); |
| 1062 | } |
| 1063 | |
| 1064 | void wxMacCoreGraphicsPathData::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) |
| 1065 | { |
| 1066 | CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r); |
| 1067 | } |
| 1068 | |
| 1069 | void wxMacCoreGraphicsPathData::AddPath( const wxGraphicsPathData* path ) |
| 1070 | { |
| 1071 | CGPathAddPath( m_path , NULL, (CGPathRef) path->GetNativePath() ); |
| 1072 | } |
| 1073 | |
| 1074 | // closes the current subpath |
| 1075 | void wxMacCoreGraphicsPathData::CloseSubpath() |
| 1076 | { |
| 1077 | CGPathCloseSubpath( m_path ); |
| 1078 | } |
| 1079 | |
| 1080 | // gets the last point of the current path, (0,0) if not yet set |
| 1081 | void wxMacCoreGraphicsPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const |
| 1082 | { |
| 1083 | CGPoint p = CGPathGetCurrentPoint( m_path ); |
| 1084 | *x = p.x; |
| 1085 | *y = p.y; |
| 1086 | } |
| 1087 | |
| 1088 | // transforms each point of this path by the matrix |
| 1089 | void wxMacCoreGraphicsPathData::Transform( const wxGraphicsMatrixData* matrix ) |
| 1090 | { |
| 1091 | CGMutablePathRef p = CGPathCreateMutable() ; |
| 1092 | CGPathAddPath( p, (CGAffineTransform*) matrix->GetNativeMatrix() , m_path ); |
| 1093 | CGPathRelease( m_path ); |
| 1094 | m_path = p; |
| 1095 | } |
| 1096 | |
| 1097 | // gets the bounding box enclosing all points (possibly including control points) |
| 1098 | void wxMacCoreGraphicsPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const |
| 1099 | { |
| 1100 | CGRect bounds = CGPathGetBoundingBox( m_path ) ; |
| 1101 | *x = bounds.origin.x; |
| 1102 | *y = bounds.origin.y; |
| 1103 | *w = bounds.size.width; |
| 1104 | *h = bounds.size.height; |
| 1105 | } |
| 1106 | |
| 1107 | bool wxMacCoreGraphicsPathData::Contains( wxDouble x, wxDouble y, int fillStyle) const |
| 1108 | { |
| 1109 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 |
| 1110 | if ( CGPathContainsPoint!=NULL ) |
| 1111 | { |
| 1112 | return CGPathContainsPoint( m_path, NULL, CGPointMake(x,y), fillStyle == wxODDEVEN_RULE ); |
| 1113 | } |
| 1114 | else |
| 1115 | #endif |
| 1116 | { |
| 1117 | // TODO : implementation for 10.3 |
| 1118 | CGRect bounds = CGPathGetBoundingBox( m_path ) ; |
| 1119 | return CGRectContainsPoint( bounds, CGPointMake(x,y) ) == 1; |
| 1120 | } |
| 1121 | } |
| 1122 | |
| 1123 | // |
| 1124 | // Graphics Context |
| 1125 | // |
| 1126 | |
| 1127 | //----------------------------------------------------------------------------- |
| 1128 | // wxMacCoreGraphicsContext declaration |
| 1129 | //----------------------------------------------------------------------------- |
| 1130 | |
| 1131 | class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext |
| 1132 | { |
| 1133 | public: |
| 1134 | wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext ); |
| 1135 | |
| 1136 | wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ); |
| 1137 | |
| 1138 | wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ); |
| 1139 | |
| 1140 | wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer); |
| 1141 | |
| 1142 | wxMacCoreGraphicsContext(); |
| 1143 | |
| 1144 | ~wxMacCoreGraphicsContext(); |
| 1145 | |
| 1146 | void Init(); |
| 1147 | |
| 1148 | // push the current state of the context, ie the transformation matrix on a stack |
| 1149 | virtual void PushState(); |
| 1150 | |
| 1151 | // pops a stored state from the stack |
| 1152 | virtual void PopState(); |
| 1153 | |
| 1154 | // clips drawings to the region |
| 1155 | virtual void Clip( const wxRegion ®ion ); |
| 1156 | |
| 1157 | // clips drawings to the rect |
| 1158 | virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ); |
| 1159 | |
| 1160 | // resets the clipping to original extent |
| 1161 | virtual void ResetClip(); |
| 1162 | |
| 1163 | virtual void * GetNativeContext(); |
| 1164 | |
| 1165 | bool SetLogicalFunction( int function ); |
| 1166 | // |
| 1167 | // transformation |
| 1168 | // |
| 1169 | |
| 1170 | // translate |
| 1171 | virtual void Translate( wxDouble dx , wxDouble dy ); |
| 1172 | |
| 1173 | // scale |
| 1174 | virtual void Scale( wxDouble xScale , wxDouble yScale ); |
| 1175 | |
| 1176 | // rotate (radians) |
| 1177 | virtual void Rotate( wxDouble angle ); |
| 1178 | |
| 1179 | // concatenates this transform with the current transform of this context |
| 1180 | virtual void ConcatTransform( const wxGraphicsMatrix& matrix ); |
| 1181 | |
| 1182 | // sets the transform of this context |
| 1183 | virtual void SetTransform( const wxGraphicsMatrix& matrix ); |
| 1184 | |
| 1185 | // gets the matrix of this context |
| 1186 | virtual wxGraphicsMatrix GetTransform() const; |
| 1187 | // |
| 1188 | // setting the paint |
| 1189 | // |
| 1190 | |
| 1191 | // strokes along a path with the current pen |
| 1192 | virtual void StrokePath( const wxGraphicsPath &path ); |
| 1193 | |
| 1194 | // fills a path with the current brush |
| 1195 | virtual void FillPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE ); |
| 1196 | |
| 1197 | // draws a path by first filling and then stroking |
| 1198 | virtual void DrawPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE ); |
| 1199 | |
| 1200 | virtual bool ShouldOffset() const |
| 1201 | { |
| 1202 | int penwidth = 0 ; |
| 1203 | if ( !m_pen.IsNull() ) |
| 1204 | { |
| 1205 | penwidth = (int)((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->GetWidth(); |
| 1206 | if ( penwidth == 0 ) |
| 1207 | penwidth = 1; |
| 1208 | } |
| 1209 | return ( penwidth % 2 ) == 1; |
| 1210 | } |
| 1211 | // |
| 1212 | // text |
| 1213 | // |
| 1214 | |
| 1215 | virtual void DrawText( const wxString &str, wxDouble x, wxDouble y ); |
| 1216 | |
| 1217 | virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ); |
| 1218 | |
| 1219 | virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height, |
| 1220 | wxDouble *descent, wxDouble *externalLeading ) const; |
| 1221 | |
| 1222 | virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const; |
| 1223 | |
| 1224 | // |
| 1225 | // image support |
| 1226 | // |
| 1227 | |
| 1228 | virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); |
| 1229 | |
| 1230 | virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); |
| 1231 | |
| 1232 | void SetNativeContext( CGContextRef cg ); |
| 1233 | |
| 1234 | DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext) |
| 1235 | DECLARE_DYNAMIC_CLASS(wxMacCoreGraphicsContext) |
| 1236 | |
| 1237 | private: |
| 1238 | void EnsureIsValid(); |
| 1239 | |
| 1240 | CGContextRef m_cgContext; |
| 1241 | WindowRef m_windowRef; |
| 1242 | bool m_releaseContext; |
| 1243 | CGAffineTransform m_windowTransform; |
| 1244 | |
| 1245 | wxMacCFRefHolder<HIShapeRef> m_clipRgn; |
| 1246 | }; |
| 1247 | |
| 1248 | //----------------------------------------------------------------------------- |
| 1249 | // device context implementation |
| 1250 | // |
| 1251 | // more and more of the dc functionality should be implemented by calling |
| 1252 | // the appropricate wxMacCoreGraphicsContext, but we will have to do that step by step |
| 1253 | // also coordinate conversions should be moved to native matrix ops |
| 1254 | //----------------------------------------------------------------------------- |
| 1255 | |
| 1256 | // we always stock two context states, one at entry, to be able to preserve the |
| 1257 | // state we were called with, the other one after changing to HI Graphics orientation |
| 1258 | // (this one is used for getting back clippings etc) |
| 1259 | |
| 1260 | //----------------------------------------------------------------------------- |
| 1261 | // wxMacCoreGraphicsContext implementation |
| 1262 | //----------------------------------------------------------------------------- |
| 1263 | |
| 1264 | IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext) |
| 1265 | |
| 1266 | void wxMacCoreGraphicsContext::Init() |
| 1267 | { |
| 1268 | m_cgContext = NULL; |
| 1269 | m_releaseContext = false; |
| 1270 | m_windowRef = NULL; |
| 1271 | |
| 1272 | HIRect r = CGRectMake(0,0,0,0); |
| 1273 | m_clipRgn.Set(HIShapeCreateWithRect(&r)); |
| 1274 | } |
| 1275 | |
| 1276 | wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext ) : wxGraphicsContext(renderer) |
| 1277 | { |
| 1278 | Init(); |
| 1279 | SetNativeContext(cgcontext); |
| 1280 | } |
| 1281 | |
| 1282 | wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ): wxGraphicsContext(renderer) |
| 1283 | { |
| 1284 | Init(); |
| 1285 | m_windowRef = window; |
| 1286 | } |
| 1287 | |
| 1288 | wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ): wxGraphicsContext(renderer) |
| 1289 | { |
| 1290 | Init(); |
| 1291 | m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef(); |
| 1292 | int originX , originY; |
| 1293 | originX = originY = 0; |
| 1294 | window->MacWindowToRootWindow( &originX , &originY ); |
| 1295 | Rect bounds; |
| 1296 | GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds ); |
| 1297 | |
| 1298 | m_windowTransform = CGAffineTransformMakeTranslation( 0 , bounds.bottom - bounds.top ); |
| 1299 | m_windowTransform = CGAffineTransformScale( m_windowTransform , 1 , -1 ); |
| 1300 | m_windowTransform = CGAffineTransformTranslate( m_windowTransform, originX, originY ) ; |
| 1301 | } |
| 1302 | |
| 1303 | wxMacCoreGraphicsContext::wxMacCoreGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsContext(renderer) |
| 1304 | { |
| 1305 | Init(); |
| 1306 | } |
| 1307 | |
| 1308 | wxMacCoreGraphicsContext::wxMacCoreGraphicsContext() : wxGraphicsContext(NULL) |
| 1309 | { |
| 1310 | Init(); |
| 1311 | wxLogDebug(wxT("Illegal Constructor called")); |
| 1312 | } |
| 1313 | |
| 1314 | wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext() |
| 1315 | { |
| 1316 | SetNativeContext(NULL); |
| 1317 | } |
| 1318 | |
| 1319 | void wxMacCoreGraphicsContext::EnsureIsValid() |
| 1320 | { |
| 1321 | if ( !m_cgContext ) |
| 1322 | { |
| 1323 | OSStatus status = QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext ); |
| 1324 | wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") ); |
| 1325 | |
| 1326 | CGContextConcatCTM( m_cgContext, m_windowTransform ); |
| 1327 | CGContextSaveGState( m_cgContext ); |
| 1328 | m_releaseContext = true; |
| 1329 | if ( !HIShapeIsEmpty(m_clipRgn) ) |
| 1330 | { |
| 1331 | // the clip region is in device coordinates, so we convert this again to user coordinates |
| 1332 | wxMacCFRefHolder<HIMutableShapeRef> hishape ; |
| 1333 | hishape.Set( HIShapeCreateMutableCopy( m_clipRgn ) ); |
| 1334 | CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero,m_windowTransform); |
| 1335 | HIShapeOffset( hishape, -transformedOrigin.x, -transformedOrigin.y ); |
| 1336 | HIShapeReplacePathInCGContext( hishape, m_cgContext ); |
| 1337 | CGContextClip( m_cgContext ); |
| 1338 | } |
| 1339 | CGContextSaveGState( m_cgContext ); |
| 1340 | } |
| 1341 | } |
| 1342 | |
| 1343 | bool wxMacCoreGraphicsContext::SetLogicalFunction( int function ) |
| 1344 | { |
| 1345 | if (m_logicalFunction == function) |
| 1346 | return true; |
| 1347 | |
| 1348 | EnsureIsValid(); |
| 1349 | |
| 1350 | bool retval = false; |
| 1351 | |
| 1352 | if ( function == wxCOPY ) |
| 1353 | { |
| 1354 | retval = true; |
| 1355 | #if wxMAC_USE_CORE_GRAPHICS_BLEND_MODES |
| 1356 | if ( CGContextSetBlendMode != NULL ) |
| 1357 | { |
| 1358 | CGContextSetBlendMode( m_cgContext, kCGBlendModeNormal ); |
| 1359 | CGContextSetShouldAntialias( m_cgContext, true ); |
| 1360 | } |
| 1361 | #endif |
| 1362 | } |
| 1363 | else if ( function == wxINVERT || function == wxXOR ) |
| 1364 | { |
| 1365 | #if wxMAC_USE_CORE_GRAPHICS_BLEND_MODES |
| 1366 | if ( CGContextSetBlendMode != NULL ) |
| 1367 | { |
| 1368 | // change color to white |
| 1369 | CGContextSetBlendMode( m_cgContext, kCGBlendModeExclusion ); |
| 1370 | CGContextSetShouldAntialias( m_cgContext, false ); |
| 1371 | retval = true; |
| 1372 | } |
| 1373 | #endif |
| 1374 | } |
| 1375 | |
| 1376 | if (retval) |
| 1377 | m_logicalFunction = function; |
| 1378 | return retval ; |
| 1379 | } |
| 1380 | |
| 1381 | void wxMacCoreGraphicsContext::Clip( const wxRegion ®ion ) |
| 1382 | { |
| 1383 | if( m_cgContext ) |
| 1384 | { |
| 1385 | HIShapeRef shape = HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() ); |
| 1386 | HIShapeReplacePathInCGContext( shape, m_cgContext ); |
| 1387 | CGContextClip( m_cgContext ); |
| 1388 | CFRelease( shape ); |
| 1389 | } |
| 1390 | else |
| 1391 | { |
| 1392 | // this offsetting to device coords is not really correct, but since we cannot apply affine transforms |
| 1393 | // to regions we try at least to have correct translations |
| 1394 | wxMacCFRefHolder<HIShapeRef> hishape ; |
| 1395 | hishape.Set( HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() )); |
| 1396 | HIMutableShapeRef mutableShape = HIShapeCreateMutableCopy( hishape ); |
| 1397 | |
| 1398 | CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero, m_windowTransform ); |
| 1399 | HIShapeOffset( mutableShape, transformedOrigin.x, transformedOrigin.y ); |
| 1400 | m_clipRgn.Set(mutableShape); |
| 1401 | } |
| 1402 | } |
| 1403 | |
| 1404 | // clips drawings to the rect |
| 1405 | void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) |
| 1406 | { |
| 1407 | HIRect r = CGRectMake( x , y , w , h ); |
| 1408 | if ( m_cgContext ) |
| 1409 | { |
| 1410 | CGContextClipToRect( m_cgContext, r ); |
| 1411 | } |
| 1412 | else |
| 1413 | { |
| 1414 | // the clipping itself must be stored as device coordinates, otherwise |
| 1415 | // we cannot apply it back correctly |
| 1416 | r.origin= CGPointApplyAffineTransform( r.origin, m_windowTransform ); |
| 1417 | m_clipRgn.Set(HIShapeCreateWithRect(&r)); |
| 1418 | } |
| 1419 | } |
| 1420 | |
| 1421 | // resets the clipping to original extent |
| 1422 | void wxMacCoreGraphicsContext::ResetClip() |
| 1423 | { |
| 1424 | if ( m_cgContext ) |
| 1425 | { |
| 1426 | // there is no way for clearing the clip, we can only revert to the stored |
| 1427 | // state, but then we have to make sure everything else is NOT restored |
| 1428 | CGAffineTransform transform = CGContextGetCTM( m_cgContext ); |
| 1429 | CGContextRestoreGState( m_cgContext ); |
| 1430 | CGContextSaveGState( m_cgContext ); |
| 1431 | CGAffineTransform transformNew = CGContextGetCTM( m_cgContext ); |
| 1432 | transformNew = CGAffineTransformInvert( transformNew ) ; |
| 1433 | CGContextConcatCTM( m_cgContext, transformNew); |
| 1434 | CGContextConcatCTM( m_cgContext, transform); |
| 1435 | } |
| 1436 | else |
| 1437 | { |
| 1438 | HIRect r = CGRectMake(0,0,0,0); |
| 1439 | m_clipRgn.Set(HIShapeCreateWithRect(&r)); |
| 1440 | } |
| 1441 | } |
| 1442 | |
| 1443 | void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path ) |
| 1444 | { |
| 1445 | if ( m_pen.IsNull() ) |
| 1446 | return ; |
| 1447 | |
| 1448 | EnsureIsValid(); |
| 1449 | |
| 1450 | bool offset = ShouldOffset(); |
| 1451 | if ( offset ) |
| 1452 | CGContextTranslateCTM( m_cgContext, 0.5, 0.5 ); |
| 1453 | |
| 1454 | ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this); |
| 1455 | CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); |
| 1456 | CGContextStrokePath( m_cgContext ); |
| 1457 | |
| 1458 | if ( offset ) |
| 1459 | CGContextTranslateCTM( m_cgContext, -0.5, -0.5 ); |
| 1460 | } |
| 1461 | |
| 1462 | void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillStyle ) |
| 1463 | { |
| 1464 | if ( !m_brush.IsNull() && ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() ) |
| 1465 | { |
| 1466 | // when using shading, we cannot draw pen and brush at the same time |
| 1467 | // revert to the base implementation of first filling and then stroking |
| 1468 | wxGraphicsContext::DrawPath( path, fillStyle ); |
| 1469 | return; |
| 1470 | } |
| 1471 | |
| 1472 | CGPathDrawingMode mode = kCGPathFill ; |
| 1473 | if ( m_brush.IsNull() ) |
| 1474 | { |
| 1475 | if ( m_pen.IsNull() ) |
| 1476 | return; |
| 1477 | else |
| 1478 | mode = kCGPathStroke; |
| 1479 | } |
| 1480 | else |
| 1481 | { |
| 1482 | if ( m_pen.IsNull() ) |
| 1483 | { |
| 1484 | if ( fillStyle == wxODDEVEN_RULE ) |
| 1485 | mode = kCGPathEOFill; |
| 1486 | else |
| 1487 | mode = kCGPathFill; |
| 1488 | } |
| 1489 | else |
| 1490 | { |
| 1491 | if ( fillStyle == wxODDEVEN_RULE ) |
| 1492 | mode = kCGPathEOFillStroke; |
| 1493 | else |
| 1494 | mode = kCGPathFillStroke; |
| 1495 | } |
| 1496 | } |
| 1497 | |
| 1498 | EnsureIsValid(); |
| 1499 | |
| 1500 | if ( !m_brush.IsNull() ) |
| 1501 | ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this); |
| 1502 | if ( !m_pen.IsNull() ) |
| 1503 | ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this); |
| 1504 | |
| 1505 | bool offset = ShouldOffset(); |
| 1506 | |
| 1507 | if ( offset ) |
| 1508 | CGContextTranslateCTM( m_cgContext, 0.5, 0.5 ); |
| 1509 | |
| 1510 | CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); |
| 1511 | CGContextDrawPath( m_cgContext , mode ); |
| 1512 | |
| 1513 | if ( offset ) |
| 1514 | CGContextTranslateCTM( m_cgContext, -0.5, -0.5 ); |
| 1515 | } |
| 1516 | |
| 1517 | void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , int fillStyle ) |
| 1518 | { |
| 1519 | if ( m_brush.IsNull() ) |
| 1520 | return; |
| 1521 | |
| 1522 | EnsureIsValid(); |
| 1523 | |
| 1524 | if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() ) |
| 1525 | { |
| 1526 | CGContextSaveGState( m_cgContext ); |
| 1527 | CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); |
| 1528 | CGContextClip( m_cgContext ); |
| 1529 | CGContextDrawShading( m_cgContext, ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->GetShading() ); |
| 1530 | CGContextRestoreGState( m_cgContext); |
| 1531 | } |
| 1532 | else |
| 1533 | { |
| 1534 | ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this); |
| 1535 | CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); |
| 1536 | if ( fillStyle == wxODDEVEN_RULE ) |
| 1537 | CGContextEOFillPath( m_cgContext ); |
| 1538 | else |
| 1539 | CGContextFillPath( m_cgContext ); |
| 1540 | } |
| 1541 | } |
| 1542 | |
| 1543 | void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg ) |
| 1544 | { |
| 1545 | // we allow either setting or clearing but not replacing |
| 1546 | wxASSERT( m_cgContext == NULL || cg == NULL ); |
| 1547 | |
| 1548 | if ( m_cgContext ) |
| 1549 | { |
| 1550 | // TODO : when is this necessary - should we add a Flush() method ? CGContextSynchronize( m_cgContext ); |
| 1551 | CGContextRestoreGState( m_cgContext ); |
| 1552 | CGContextRestoreGState( m_cgContext ); |
| 1553 | if ( m_releaseContext ) |
| 1554 | QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext); |
| 1555 | else |
| 1556 | CGContextRelease(m_cgContext); |
| 1557 | } |
| 1558 | |
| 1559 | |
| 1560 | m_cgContext = cg; |
| 1561 | |
| 1562 | // FIXME: This check is needed because currently we need to use a DC/GraphicsContext |
| 1563 | // in order to get font properties, like wxFont::GetPixelSize, but since we don't have |
| 1564 | // a native window attached to use, I create a wxGraphicsContext with a NULL CGContextRef |
| 1565 | // for this one operation. |
| 1566 | |
| 1567 | // When wxFont::GetPixelSize on Mac no longer needs a graphics context, this check |
| 1568 | // can be removed. |
| 1569 | if (m_cgContext) |
| 1570 | { |
| 1571 | CGContextRetain(m_cgContext); |
| 1572 | CGContextSaveGState( m_cgContext ); |
| 1573 | CGContextSaveGState( m_cgContext ); |
| 1574 | m_releaseContext = false; |
| 1575 | } |
| 1576 | } |
| 1577 | |
| 1578 | void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy ) |
| 1579 | { |
| 1580 | if ( m_cgContext ) |
| 1581 | CGContextTranslateCTM( m_cgContext, dx, dy ); |
| 1582 | else |
| 1583 | m_windowTransform = CGAffineTransformTranslate(m_windowTransform,dx,dy); |
| 1584 | } |
| 1585 | |
| 1586 | void wxMacCoreGraphicsContext::Scale( wxDouble xScale , wxDouble yScale ) |
| 1587 | { |
| 1588 | if ( m_cgContext ) |
| 1589 | CGContextScaleCTM( m_cgContext , xScale , yScale ); |
| 1590 | else |
| 1591 | m_windowTransform = CGAffineTransformScale(m_windowTransform,xScale,yScale); |
| 1592 | } |
| 1593 | |
| 1594 | void wxMacCoreGraphicsContext::Rotate( wxDouble angle ) |
| 1595 | { |
| 1596 | if ( m_cgContext ) |
| 1597 | CGContextRotateCTM( m_cgContext , angle ); |
| 1598 | else |
| 1599 | m_windowTransform = CGAffineTransformRotate(m_windowTransform,angle); |
| 1600 | } |
| 1601 | |
| 1602 | void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) |
| 1603 | { |
| 1604 | EnsureIsValid(); |
| 1605 | |
| 1606 | CGImageRef image = (CGImageRef)( bmp.CGImageCreate() ); |
| 1607 | HIRect r = CGRectMake( x , y , w , h ); |
| 1608 | if ( bmp.GetDepth() == 1 ) |
| 1609 | { |
| 1610 | // is is a mask, the '1' in the mask tell where to draw the current brush |
| 1611 | if ( !m_brush.IsNull() ) |
| 1612 | { |
| 1613 | if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() ) |
| 1614 | { |
| 1615 | // TODO clip to mask |
| 1616 | /* |
| 1617 | CGContextSaveGState( m_cgContext ); |
| 1618 | CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); |
| 1619 | CGContextClip( m_cgContext ); |
| 1620 | CGContextDrawShading( m_cgContext, ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->GetShading() ); |
| 1621 | CGContextRestoreGState( m_cgContext); |
| 1622 | */ |
| 1623 | } |
| 1624 | else |
| 1625 | { |
| 1626 | ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this); |
| 1627 | HIViewDrawCGImage( m_cgContext , &r , image ); |
| 1628 | } |
| 1629 | } |
| 1630 | } |
| 1631 | else |
| 1632 | { |
| 1633 | HIViewDrawCGImage( m_cgContext , &r , image ); |
| 1634 | } |
| 1635 | CGImageRelease( image ); |
| 1636 | } |
| 1637 | |
| 1638 | void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) |
| 1639 | { |
| 1640 | EnsureIsValid(); |
| 1641 | |
| 1642 | CGRect r = CGRectMake( 00 , 00 , w , h ); |
| 1643 | CGContextSaveGState( m_cgContext ); |
| 1644 | CGContextTranslateCTM( m_cgContext, x , y + h ); |
| 1645 | CGContextScaleCTM( m_cgContext, 1, -1 ); |
| 1646 | PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone , |
| 1647 | NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) ); |
| 1648 | CGContextRestoreGState( m_cgContext ); |
| 1649 | } |
| 1650 | |
| 1651 | void wxMacCoreGraphicsContext::PushState() |
| 1652 | { |
| 1653 | EnsureIsValid(); |
| 1654 | |
| 1655 | CGContextSaveGState( m_cgContext ); |
| 1656 | } |
| 1657 | |
| 1658 | void wxMacCoreGraphicsContext::PopState() |
| 1659 | { |
| 1660 | EnsureIsValid(); |
| 1661 | |
| 1662 | CGContextRestoreGState( m_cgContext ); |
| 1663 | } |
| 1664 | |
| 1665 | void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y ) |
| 1666 | { |
| 1667 | DrawText(str, x, y, 0.0); |
| 1668 | } |
| 1669 | |
| 1670 | void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ) |
| 1671 | { |
| 1672 | if ( m_font.IsNull() ) |
| 1673 | return; |
| 1674 | |
| 1675 | EnsureIsValid(); |
| 1676 | |
| 1677 | OSStatus status = noErr; |
| 1678 | ATSUTextLayout atsuLayout; |
| 1679 | UniCharCount chars = str.length(); |
| 1680 | UniChar* ubuf = NULL; |
| 1681 | |
| 1682 | #if SIZEOF_WCHAR_T == 4 |
| 1683 | wxMBConvUTF16 converter; |
| 1684 | #if wxUSE_UNICODE |
| 1685 | size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ); |
| 1686 | ubuf = (UniChar*) malloc( unicharlen + 2 ); |
| 1687 | converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ); |
| 1688 | #else |
| 1689 | const wxWCharBuffer wchar = str.wc_str( wxConvLocal ); |
| 1690 | size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ); |
| 1691 | ubuf = (UniChar*) malloc( unicharlen + 2 ); |
| 1692 | converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ); |
| 1693 | #endif |
| 1694 | chars = unicharlen / 2; |
| 1695 | #else |
| 1696 | #if wxUSE_UNICODE |
| 1697 | ubuf = (UniChar*) str.wc_str(); |
| 1698 | #else |
| 1699 | wxWCharBuffer wchar = str.wc_str( wxConvLocal ); |
| 1700 | chars = wxWcslen( wchar.data() ); |
| 1701 | ubuf = (UniChar*) wchar.data(); |
| 1702 | #endif |
| 1703 | #endif |
| 1704 | |
| 1705 | ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle()); |
| 1706 | status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , |
| 1707 | &chars , &style , &atsuLayout ); |
| 1708 | |
| 1709 | wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") ); |
| 1710 | |
| 1711 | status = ::ATSUSetTransientFontMatching( atsuLayout , true ); |
| 1712 | wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") ); |
| 1713 | |
| 1714 | int iAngle = int( angle * RAD2DEG ); |
| 1715 | if ( abs(iAngle) > 0 ) |
| 1716 | { |
| 1717 | Fixed atsuAngle = IntToFixed( iAngle ); |
| 1718 | ATSUAttributeTag atsuTags[] = |
| 1719 | { |
| 1720 | kATSULineRotationTag , |
| 1721 | }; |
| 1722 | ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = |
| 1723 | { |
| 1724 | sizeof( Fixed ) , |
| 1725 | }; |
| 1726 | ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = |
| 1727 | { |
| 1728 | &atsuAngle , |
| 1729 | }; |
| 1730 | status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag), |
| 1731 | atsuTags, atsuSizes, atsuValues ); |
| 1732 | } |
| 1733 | |
| 1734 | { |
| 1735 | ATSUAttributeTag atsuTags[] = |
| 1736 | { |
| 1737 | kATSUCGContextTag , |
| 1738 | }; |
| 1739 | ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = |
| 1740 | { |
| 1741 | sizeof( CGContextRef ) , |
| 1742 | }; |
| 1743 | ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = |
| 1744 | { |
| 1745 | &m_cgContext , |
| 1746 | }; |
| 1747 | status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag), |
| 1748 | atsuTags, atsuSizes, atsuValues ); |
| 1749 | } |
| 1750 | |
| 1751 | ATSUTextMeasurement textBefore, textAfter; |
| 1752 | ATSUTextMeasurement ascent, descent; |
| 1753 | |
| 1754 | status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, |
| 1755 | &textBefore , &textAfter, &ascent , &descent ); |
| 1756 | |
| 1757 | wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") ); |
| 1758 | |
| 1759 | Rect rect; |
| 1760 | x += (int)(sin(angle) * FixedToInt(ascent)); |
| 1761 | y += (int)(cos(angle) * FixedToInt(ascent)); |
| 1762 | |
| 1763 | status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, |
| 1764 | IntToFixed(x) , IntToFixed(y) , &rect ); |
| 1765 | wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") ); |
| 1766 | |
| 1767 | CGContextSaveGState(m_cgContext); |
| 1768 | CGContextTranslateCTM(m_cgContext, x, y); |
| 1769 | CGContextScaleCTM(m_cgContext, 1, -1); |
| 1770 | status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, |
| 1771 | IntToFixed(0) , IntToFixed(0) ); |
| 1772 | |
| 1773 | wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") ); |
| 1774 | |
| 1775 | CGContextRestoreGState(m_cgContext); |
| 1776 | |
| 1777 | ::ATSUDisposeTextLayout(atsuLayout); |
| 1778 | |
| 1779 | #if SIZEOF_WCHAR_T == 4 |
| 1780 | free( ubuf ); |
| 1781 | #endif |
| 1782 | } |
| 1783 | |
| 1784 | void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height, |
| 1785 | wxDouble *descent, wxDouble *externalLeading ) const |
| 1786 | { |
| 1787 | wxCHECK_RET( !m_font.IsNull(), wxT("wxDC(cg)::DoGetTextExtent - no valid font set") ); |
| 1788 | |
| 1789 | OSStatus status = noErr; |
| 1790 | |
| 1791 | ATSUTextLayout atsuLayout; |
| 1792 | UniCharCount chars = str.length(); |
| 1793 | UniChar* ubuf = NULL; |
| 1794 | |
| 1795 | #if SIZEOF_WCHAR_T == 4 |
| 1796 | wxMBConvUTF16 converter; |
| 1797 | #if wxUSE_UNICODE |
| 1798 | size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ); |
| 1799 | ubuf = (UniChar*) malloc( unicharlen + 2 ); |
| 1800 | converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ); |
| 1801 | #else |
| 1802 | const wxWCharBuffer wchar = str.wc_str( wxConvLocal ); |
| 1803 | size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ); |
| 1804 | ubuf = (UniChar*) malloc( unicharlen + 2 ); |
| 1805 | converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ); |
| 1806 | #endif |
| 1807 | chars = unicharlen / 2; |
| 1808 | #else |
| 1809 | #if wxUSE_UNICODE |
| 1810 | ubuf = (UniChar*) str.wc_str(); |
| 1811 | #else |
| 1812 | wxWCharBuffer wchar = str.wc_str( wxConvLocal ); |
| 1813 | chars = wxWcslen( wchar.data() ); |
| 1814 | ubuf = (UniChar*) wchar.data(); |
| 1815 | #endif |
| 1816 | #endif |
| 1817 | |
| 1818 | ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle()); |
| 1819 | status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , |
| 1820 | &chars , &style , &atsuLayout ); |
| 1821 | |
| 1822 | wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") ); |
| 1823 | |
| 1824 | ATSUTextMeasurement textBefore, textAfter; |
| 1825 | ATSUTextMeasurement textAscent, textDescent; |
| 1826 | |
| 1827 | status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, |
| 1828 | &textBefore , &textAfter, &textAscent , &textDescent ); |
| 1829 | |
| 1830 | if ( height ) |
| 1831 | *height = FixedToInt(textAscent + textDescent); |
| 1832 | if ( descent ) |
| 1833 | *descent = FixedToInt(textDescent); |
| 1834 | if ( externalLeading ) |
| 1835 | *externalLeading = 0; |
| 1836 | if ( width ) |
| 1837 | *width = FixedToInt(textAfter - textBefore); |
| 1838 | |
| 1839 | ::ATSUDisposeTextLayout(atsuLayout); |
| 1840 | #if SIZEOF_WCHAR_T == 4 |
| 1841 | free( ubuf ) ; |
| 1842 | #endif |
| 1843 | } |
| 1844 | |
| 1845 | void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const |
| 1846 | { |
| 1847 | widths.Empty(); |
| 1848 | widths.Add(0, text.length()); |
| 1849 | |
| 1850 | if (text.empty()) |
| 1851 | return; |
| 1852 | |
| 1853 | ATSUTextLayout atsuLayout; |
| 1854 | UniCharCount chars = text.length(); |
| 1855 | UniChar* ubuf = NULL; |
| 1856 | |
| 1857 | #if SIZEOF_WCHAR_T == 4 |
| 1858 | wxMBConvUTF16 converter; |
| 1859 | #if wxUSE_UNICODE |
| 1860 | size_t unicharlen = converter.WC2MB( NULL , text.wc_str() , 0 ); |
| 1861 | ubuf = (UniChar*) malloc( unicharlen + 2 ); |
| 1862 | converter.WC2MB( (char*) ubuf , text.wc_str(), unicharlen + 2 ); |
| 1863 | #else |
| 1864 | const wxWCharBuffer wchar = text.wc_str( wxConvLocal ); |
| 1865 | size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ); |
| 1866 | ubuf = (UniChar*) malloc( unicharlen + 2 ); |
| 1867 | converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ); |
| 1868 | #endif |
| 1869 | chars = unicharlen / 2; |
| 1870 | #else |
| 1871 | #if wxUSE_UNICODE |
| 1872 | ubuf = (UniChar*) text.wc_str(); |
| 1873 | #else |
| 1874 | wxWCharBuffer wchar = text.wc_str( wxConvLocal ); |
| 1875 | chars = wxWcslen( wchar.data() ); |
| 1876 | ubuf = (UniChar*) wchar.data(); |
| 1877 | #endif |
| 1878 | #endif |
| 1879 | |
| 1880 | ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle()); |
| 1881 | ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , |
| 1882 | &chars , &style , &atsuLayout ); |
| 1883 | |
| 1884 | for ( int pos = 0; pos < (int)chars; pos ++ ) |
| 1885 | { |
| 1886 | unsigned long actualNumberOfBounds = 0; |
| 1887 | ATSTrapezoid glyphBounds; |
| 1888 | |
| 1889 | // We get a single bound, since the text should only require one. If it requires more, there is an issue |
| 1890 | OSStatus result; |
| 1891 | result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1, |
| 1892 | kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds ); |
| 1893 | if (result != noErr || actualNumberOfBounds != 1 ) |
| 1894 | return; |
| 1895 | |
| 1896 | widths[pos] = FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x ); |
| 1897 | //unsigned char uch = s[i]; |
| 1898 | } |
| 1899 | |
| 1900 | ::ATSUDisposeTextLayout(atsuLayout); |
| 1901 | #if SIZEOF_WCHAR_T == 4 |
| 1902 | free( ubuf ) ; |
| 1903 | #endif |
| 1904 | } |
| 1905 | |
| 1906 | void * wxMacCoreGraphicsContext::GetNativeContext() |
| 1907 | { |
| 1908 | return m_cgContext; |
| 1909 | } |
| 1910 | |
| 1911 | // concatenates this transform with the current transform of this context |
| 1912 | void wxMacCoreGraphicsContext::ConcatTransform( const wxGraphicsMatrix& matrix ) |
| 1913 | { |
| 1914 | if ( m_cgContext ) |
| 1915 | CGContextConcatCTM( m_cgContext, *(CGAffineTransform*) matrix.GetNativeMatrix()); |
| 1916 | else |
| 1917 | m_windowTransform = CGAffineTransformConcat(m_windowTransform, *(CGAffineTransform*) matrix.GetNativeMatrix()); |
| 1918 | } |
| 1919 | |
| 1920 | // sets the transform of this context |
| 1921 | void wxMacCoreGraphicsContext::SetTransform( const wxGraphicsMatrix& matrix ) |
| 1922 | { |
| 1923 | if ( m_cgContext ) |
| 1924 | { |
| 1925 | CGAffineTransform transform = CGContextGetCTM( m_cgContext ); |
| 1926 | transform = CGAffineTransformInvert( transform ) ; |
| 1927 | CGContextConcatCTM( m_cgContext, transform); |
| 1928 | CGContextConcatCTM( m_cgContext, *(CGAffineTransform*) matrix.GetNativeMatrix()); |
| 1929 | } |
| 1930 | else |
| 1931 | { |
| 1932 | m_windowTransform = *(CGAffineTransform*) matrix.GetNativeMatrix(); |
| 1933 | } |
| 1934 | } |
| 1935 | |
| 1936 | // gets the matrix of this context |
| 1937 | wxGraphicsMatrix wxMacCoreGraphicsContext::GetTransform() const |
| 1938 | { |
| 1939 | wxGraphicsMatrix m = CreateMatrix(); |
| 1940 | *((CGAffineTransform*) m.GetNativeMatrix()) = ( m_cgContext == NULL ? m_windowTransform : |
| 1941 | CGContextGetCTM( m_cgContext )); |
| 1942 | return m; |
| 1943 | } |
| 1944 | |
| 1945 | // |
| 1946 | // Renderer |
| 1947 | // |
| 1948 | |
| 1949 | //----------------------------------------------------------------------------- |
| 1950 | // wxMacCoreGraphicsRenderer declaration |
| 1951 | //----------------------------------------------------------------------------- |
| 1952 | |
| 1953 | class WXDLLIMPEXP_CORE wxMacCoreGraphicsRenderer : public wxGraphicsRenderer |
| 1954 | { |
| 1955 | public : |
| 1956 | wxMacCoreGraphicsRenderer() {} |
| 1957 | |
| 1958 | virtual ~wxMacCoreGraphicsRenderer() {} |
| 1959 | |
| 1960 | // Context |
| 1961 | |
| 1962 | virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc); |
| 1963 | |
| 1964 | virtual wxGraphicsContext * CreateContextFromNativeContext( void * context ); |
| 1965 | |
| 1966 | virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window ); |
| 1967 | |
| 1968 | virtual wxGraphicsContext * CreateContext( wxWindow* window ); |
| 1969 | |
| 1970 | virtual wxGraphicsContext * CreateMeasuringContext(); |
| 1971 | |
| 1972 | // Path |
| 1973 | |
| 1974 | virtual wxGraphicsPath CreatePath(); |
| 1975 | |
| 1976 | // Matrix |
| 1977 | |
| 1978 | virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, |
| 1979 | wxDouble tx=0.0, wxDouble ty=0.0); |
| 1980 | |
| 1981 | |
| 1982 | virtual wxGraphicsPen CreatePen(const wxPen& pen) ; |
| 1983 | |
| 1984 | virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ; |
| 1985 | |
| 1986 | // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2 |
| 1987 | virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, |
| 1988 | const wxColour&c1, const wxColour&c2) ; |
| 1989 | |
| 1990 | // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) |
| 1991 | // with radius r and color cColor |
| 1992 | virtual wxGraphicsBrush CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, |
| 1993 | const wxColour &oColor, const wxColour &cColor) ; |
| 1994 | |
| 1995 | // sets the font |
| 1996 | virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ; |
| 1997 | |
| 1998 | private : |
| 1999 | DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsRenderer) |
| 2000 | } ; |
| 2001 | |
| 2002 | //----------------------------------------------------------------------------- |
| 2003 | // wxMacCoreGraphicsRenderer implementation |
| 2004 | //----------------------------------------------------------------------------- |
| 2005 | |
| 2006 | IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsRenderer,wxGraphicsRenderer) |
| 2007 | |
| 2008 | static wxMacCoreGraphicsRenderer gs_MacCoreGraphicsRenderer; |
| 2009 | |
| 2010 | wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer() |
| 2011 | { |
| 2012 | return &gs_MacCoreGraphicsRenderer; |
| 2013 | } |
| 2014 | |
| 2015 | wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc) |
| 2016 | { |
| 2017 | wxMemoryDC* mdc = wxDynamicCast(&dc, wxMemoryDC); |
| 2018 | if ( mdc ) |
| 2019 | { |
| 2020 | return new wxMacCoreGraphicsContext(this, |
| 2021 | (CGContextRef)mdc->GetGraphicsContext()->GetNativeContext()); |
| 2022 | } |
| 2023 | else |
| 2024 | { |
| 2025 | return new wxMacCoreGraphicsContext(this,(CGContextRef)dc.GetWindow()->MacGetCGContextRef() ); |
| 2026 | } |
| 2027 | } |
| 2028 | |
| 2029 | wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context ) |
| 2030 | { |
| 2031 | return new wxMacCoreGraphicsContext(this,(CGContextRef)context); |
| 2032 | } |
| 2033 | |
| 2034 | |
| 2035 | wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeWindow( void * window ) |
| 2036 | { |
| 2037 | return new wxMacCoreGraphicsContext(this,(WindowRef)window); |
| 2038 | } |
| 2039 | |
| 2040 | wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( wxWindow* window ) |
| 2041 | { |
| 2042 | return new wxMacCoreGraphicsContext(this, window ); |
| 2043 | } |
| 2044 | |
| 2045 | wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateMeasuringContext() |
| 2046 | { |
| 2047 | return new wxMacCoreGraphicsContext(this); |
| 2048 | } |
| 2049 | |
| 2050 | // Path |
| 2051 | |
| 2052 | wxGraphicsPath wxMacCoreGraphicsRenderer::CreatePath() |
| 2053 | { |
| 2054 | wxGraphicsPath m; |
| 2055 | m.SetRefData( new wxMacCoreGraphicsPathData(this)); |
| 2056 | return m; |
| 2057 | } |
| 2058 | |
| 2059 | |
| 2060 | // Matrix |
| 2061 | |
| 2062 | wxGraphicsMatrix wxMacCoreGraphicsRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, |
| 2063 | wxDouble tx, wxDouble ty) |
| 2064 | { |
| 2065 | wxGraphicsMatrix m; |
| 2066 | wxMacCoreGraphicsMatrixData* data = new wxMacCoreGraphicsMatrixData( this ); |
| 2067 | data->Set( a,b,c,d,tx,ty ) ; |
| 2068 | m.SetRefData(data); |
| 2069 | return m; |
| 2070 | } |
| 2071 | |
| 2072 | wxGraphicsPen wxMacCoreGraphicsRenderer::CreatePen(const wxPen& pen) |
| 2073 | { |
| 2074 | if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT ) |
| 2075 | return wxNullGraphicsPen; |
| 2076 | else |
| 2077 | { |
| 2078 | wxGraphicsPen p; |
| 2079 | p.SetRefData(new wxMacCoreGraphicsPenData( this, pen )); |
| 2080 | return p; |
| 2081 | } |
| 2082 | } |
| 2083 | |
| 2084 | wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateBrush(const wxBrush& brush ) |
| 2085 | { |
| 2086 | if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT ) |
| 2087 | return wxNullGraphicsBrush; |
| 2088 | else |
| 2089 | { |
| 2090 | wxGraphicsBrush p; |
| 2091 | p.SetRefData(new wxMacCoreGraphicsBrushData( this, brush )); |
| 2092 | return p; |
| 2093 | } |
| 2094 | } |
| 2095 | |
| 2096 | // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2 |
| 2097 | wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, |
| 2098 | const wxColour&c1, const wxColour&c2) |
| 2099 | { |
| 2100 | wxGraphicsBrush p; |
| 2101 | wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this ); |
| 2102 | d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2); |
| 2103 | p.SetRefData(d); |
| 2104 | return p; |
| 2105 | } |
| 2106 | |
| 2107 | // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) |
| 2108 | // with radius r and color cColor |
| 2109 | wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, |
| 2110 | const wxColour &oColor, const wxColour &cColor) |
| 2111 | { |
| 2112 | wxGraphicsBrush p; |
| 2113 | wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this ); |
| 2114 | d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor); |
| 2115 | p.SetRefData(d); |
| 2116 | return p; |
| 2117 | } |
| 2118 | |
| 2119 | // sets the font |
| 2120 | wxGraphicsFont wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const wxColour &col ) |
| 2121 | { |
| 2122 | if ( font.Ok() ) |
| 2123 | { |
| 2124 | wxGraphicsFont p; |
| 2125 | p.SetRefData(new wxMacCoreGraphicsFontData( this , font, col )); |
| 2126 | return p; |
| 2127 | } |
| 2128 | else |
| 2129 | return wxNullGraphicsFont; |
| 2130 | } |
| 2131 | |
| 2132 | |
| 2133 | |
| 2134 | #endif // wxMAC_USE_CORE_GRAPHICS |