| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/cocoa/dc.mm |
| 3 | // Purpose: wxDC |
| 4 | // Author: David Elliott |
| 5 | // Modified by: |
| 6 | // Created: 2003/04/01 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2003 David Elliott |
| 9 | // Licence: wxWindows license |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #include "wx/wxprec.h" |
| 13 | #ifndef WX_PRECOMP |
| 14 | #include "wx/log.h" |
| 15 | #include "wx/dc.h" |
| 16 | #endif //WX_PRECOMP |
| 17 | |
| 18 | #include "wx/cocoa/autorelease.h" |
| 19 | #include "wx/cocoa/string.h" |
| 20 | |
| 21 | #import <AppKit/NSBezierPath.h> |
| 22 | #import <AppKit/NSTextStorage.h> |
| 23 | #import <AppKit/NSLayoutManager.h> |
| 24 | #import <AppKit/NSTextContainer.h> |
| 25 | #import <AppKit/NSGraphicsContext.h> |
| 26 | #import <AppKit/NSAffineTransform.h> |
| 27 | #import <AppKit/NSColor.h> |
| 28 | #import <AppKit/NSTypesetter.h> |
| 29 | #import <AppKit/NSImage.h> |
| 30 | |
| 31 | #include <wx/listimpl.cpp> |
| 32 | WX_DEFINE_LIST(wxCocoaDCStack); |
| 33 | |
| 34 | IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject) |
| 35 | WX_NSTextStorage wxDC::sm_cocoaNSTextStorage = nil; |
| 36 | WX_NSLayoutManager wxDC::sm_cocoaNSLayoutManager = nil; |
| 37 | WX_NSTextContainer wxDC::sm_cocoaNSTextContainer = nil; |
| 38 | wxCocoaDCStack wxDC::sm_cocoaDCStack; |
| 39 | |
| 40 | inline void CocoaSetPenForNSBezierPath(wxPen &pen, NSBezierPath *bezpath) |
| 41 | { |
| 42 | [pen.GetNSColor() set]; |
| 43 | const float *pattern; |
| 44 | [bezpath setLineDash:pattern count:pen.GetCocoaLineDash(&pattern) phase:0.0]; |
| 45 | [bezpath setLineWidth:pen.GetWidth()]; |
| 46 | switch(pen.GetJoin()) |
| 47 | { |
| 48 | case wxJOIN_BEVEL: |
| 49 | [bezpath setLineJoinStyle:NSBevelLineJoinStyle]; |
| 50 | break; |
| 51 | case wxJOIN_ROUND: |
| 52 | [bezpath setLineJoinStyle:NSRoundLineJoinStyle]; |
| 53 | break; |
| 54 | case wxJOIN_MITER: |
| 55 | [bezpath setLineJoinStyle:NSMiterLineJoinStyle]; |
| 56 | break; |
| 57 | } |
| 58 | switch(pen.GetCap()) |
| 59 | { |
| 60 | case wxCAP_ROUND: |
| 61 | [bezpath setLineCapStyle:NSRoundLineCapStyle]; |
| 62 | break; |
| 63 | case wxCAP_PROJECTING: |
| 64 | [bezpath setLineCapStyle:NSSquareLineCapStyle]; |
| 65 | break; |
| 66 | case wxCAP_BUTT: |
| 67 | [bezpath setLineCapStyle:NSButtLineCapStyle]; |
| 68 | break; |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | void wxDC::CocoaInitializeTextSystem() |
| 73 | { |
| 74 | wxASSERT_MSG(!sm_cocoaNSTextStorage && !sm_cocoaNSLayoutManager && !sm_cocoaNSTextContainer,wxT("Text system already initalized! BAD PROGRAMMER!")); |
| 75 | |
| 76 | sm_cocoaNSTextStorage = [[NSTextStorage alloc] init]; |
| 77 | |
| 78 | sm_cocoaNSLayoutManager = [[NSLayoutManager alloc] init]; |
| 79 | [sm_cocoaNSTextStorage addLayoutManager:sm_cocoaNSLayoutManager]; |
| 80 | // NSTextStorage retains NSLayoutManager, but so do we |
| 81 | // [sm_cocoaNSLayoutManager release]; [sm_cocoaNSLayoutManager retain]; |
| 82 | |
| 83 | // NOTE: initWithContainerSize is the designated initializer, but the |
| 84 | // Apple CircleView sample gets away with just calling init, which |
| 85 | // is all we really need for our purposes. |
| 86 | sm_cocoaNSTextContainer = [[NSTextContainer alloc] init]; |
| 87 | [sm_cocoaNSLayoutManager addTextContainer:sm_cocoaNSTextContainer]; |
| 88 | // NSLayoutManager retains NSTextContainer, but so do we |
| 89 | // [sm_cocoaNSTextContainer release]; [sm_cocoaNSTextContainer retain]; |
| 90 | } |
| 91 | |
| 92 | void wxDC::CocoaShutdownTextSystem() |
| 93 | { |
| 94 | [sm_cocoaNSTextContainer release]; sm_cocoaNSTextContainer = nil; |
| 95 | [sm_cocoaNSLayoutManager release]; sm_cocoaNSLayoutManager = nil; |
| 96 | [sm_cocoaNSTextStorage release]; sm_cocoaNSTextStorage = nil; |
| 97 | } |
| 98 | |
| 99 | void wxDC::CocoaUnwindStackAndLoseFocus() |
| 100 | { |
| 101 | wxCocoaDCStack::Node *ourNode=sm_cocoaDCStack.Find(this); |
| 102 | if(ourNode) |
| 103 | { |
| 104 | wxCocoaDCStack::Node *node=sm_cocoaDCStack.GetFirst(); |
| 105 | for(;node!=ourNode; node=sm_cocoaDCStack.GetFirst()) |
| 106 | { |
| 107 | wxDC *dc = node->GetData(); |
| 108 | wxASSERT(dc); |
| 109 | wxASSERT(dc!=this); |
| 110 | if(!dc->CocoaUnlockFocus()) |
| 111 | { |
| 112 | wxFAIL_MSG(wxT("Unable to unlock focus on higher-level DC!")); |
| 113 | } |
| 114 | sm_cocoaDCStack.DeleteNode(node); |
| 115 | } |
| 116 | wxASSERT(node==ourNode); |
| 117 | wxASSERT(ourNode->GetData() == this); |
| 118 | ourNode->GetData()->CocoaUnlockFocus(); |
| 119 | sm_cocoaDCStack.DeleteNode(ourNode); |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | bool wxDC::CocoaUnwindStackAndTakeFocus() |
| 124 | { |
| 125 | wxCocoaDCStack::Node *node=sm_cocoaDCStack.GetFirst(); |
| 126 | for(;node;node = sm_cocoaDCStack.GetFirst()) |
| 127 | { |
| 128 | wxDC *dc = node->GetData(); |
| 129 | wxASSERT(dc); |
| 130 | // If we're on the stack, then it's unwound enough and we have focus |
| 131 | if(dc==this) |
| 132 | return true; |
| 133 | // If unable to unlockFocus (e.g. wxPaintDC) stop here |
| 134 | if(!dc->CocoaUnlockFocus()) |
| 135 | break; |
| 136 | sm_cocoaDCStack.DeleteNode(node); |
| 137 | } |
| 138 | return CocoaLockFocus(); |
| 139 | } |
| 140 | |
| 141 | wxDC::wxDC(void) |
| 142 | { |
| 143 | m_cocoaFlipped = false; |
| 144 | m_cocoaHeight = 0.0; |
| 145 | m_pen = *wxBLACK_PEN; |
| 146 | } |
| 147 | |
| 148 | wxDC::~wxDC(void) |
| 149 | { |
| 150 | } |
| 151 | |
| 152 | bool wxDC::CocoaLockFocus() |
| 153 | { |
| 154 | return false; |
| 155 | } |
| 156 | |
| 157 | bool wxDC::CocoaUnlockFocus() |
| 158 | { |
| 159 | return false; |
| 160 | } |
| 161 | |
| 162 | void wxDC::CocoaApplyTransformations() |
| 163 | { |
| 164 | // This transform flips the graphics since wxDC uses top-left origin |
| 165 | if(!m_cocoaFlipped) |
| 166 | { |
| 167 | // The transform is auto released |
| 168 | NSAffineTransform *transform = [NSAffineTransform transform]; |
| 169 | /* x' = 1x + 0y + 0 |
| 170 | y' = 0x + -1y + window's height |
| 171 | */ |
| 172 | NSAffineTransformStruct matrix = { |
| 173 | 1, 0 |
| 174 | , 0, -1 |
| 175 | , 0, m_cocoaHeight |
| 176 | }; |
| 177 | [transform setTransformStruct: matrix]; |
| 178 | // Apply the transform |
| 179 | [transform concat]; |
| 180 | } |
| 181 | // TODO: Apply scaling transformation |
| 182 | } |
| 183 | |
| 184 | void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) |
| 185 | { |
| 186 | if(!CocoaTakeFocus()) return; |
| 187 | NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(x,y,width,height)]; |
| 188 | CocoaSetPenForNSBezierPath(m_pen,bezpath); |
| 189 | [bezpath stroke]; |
| 190 | [m_brush.GetNSColor() set]; |
| 191 | [bezpath fill]; |
| 192 | } |
| 193 | |
| 194 | void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) |
| 195 | { |
| 196 | if(!CocoaTakeFocus()) return; |
| 197 | NSBezierPath *bezpath = [NSBezierPath bezierPath]; |
| 198 | [bezpath moveToPoint:NSMakePoint(x1,y1)]; |
| 199 | [bezpath lineToPoint:NSMakePoint(x2,y2)]; |
| 200 | |
| 201 | CocoaSetPenForNSBezierPath(m_pen,bezpath); |
| 202 | [bezpath stroke]; |
| 203 | } |
| 204 | |
| 205 | void wxDC::DoGetTextExtent(const wxString& text, wxCoord *x, wxCoord *y, wxCoord *descent, wxCoord *externalLeading, wxFont *theFont) const |
| 206 | { |
| 207 | wxAutoNSAutoreleasePool pool; |
| 208 | // FIXME: Cache this so it can be used for DoDrawText |
| 209 | wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, wxT("Text system has not been initialized. BAD PROGRAMMER!")); |
| 210 | NSAttributedString *attributedString = [[NSAttributedString alloc] |
| 211 | initWithString:wxNSStringWithWxString(text.c_str())]; |
| 212 | [sm_cocoaNSTextStorage setAttributedString:attributedString]; |
| 213 | [attributedString release]; |
| 214 | |
| 215 | NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer]; |
| 216 | NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer]; |
| 217 | if(x) |
| 218 | *x=(int)usedRect.size.width; |
| 219 | if(y) |
| 220 | *y=(int)usedRect.size.height; |
| 221 | if(descent) |
| 222 | *descent=0; |
| 223 | if(externalLeading) |
| 224 | *externalLeading=0; |
| 225 | } |
| 226 | |
| 227 | void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y) |
| 228 | { |
| 229 | if(!CocoaTakeFocus()) return; |
| 230 | wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, wxT("Text system has not been initialized. BAD PROGRAMMER!")); |
| 231 | NSAttributedString *attributedString = [[NSAttributedString alloc] |
| 232 | initWithString:wxNSStringWithWxString(text.c_str())]; |
| 233 | [sm_cocoaNSTextStorage setAttributedString:attributedString]; |
| 234 | [attributedString release]; |
| 235 | |
| 236 | // Set the color (and later font) attributes |
| 237 | NSColor *fgColor = m_textForegroundColour.GetNSColor(); |
| 238 | NSColor *bgColor = m_textBackgroundColour.GetNSColor(); |
| 239 | if(!fgColor) |
| 240 | fgColor = [NSColor clearColor]; |
| 241 | if(!bgColor) |
| 242 | bgColor = [NSColor clearColor]; |
| 243 | NSDictionary *attrDict = [[NSDictionary alloc] initWithObjectsAndKeys: |
| 244 | fgColor, NSForegroundColorAttributeName, |
| 245 | bgColor, NSBackgroundColorAttributeName, |
| 246 | nil]; |
| 247 | [sm_cocoaNSTextStorage addAttributes: attrDict range:NSMakeRange(0,[sm_cocoaNSTextStorage length])]; |
| 248 | [attrDict release]; |
| 249 | |
| 250 | NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer]; |
| 251 | NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer]; |
| 252 | // NOTE: We'll crash trying to get the location of glyphAtIndex:0 if |
| 253 | // there is no length or we don't start at zero |
| 254 | if(!glyphRange.length) |
| 255 | return; |
| 256 | wxASSERT_MSG(glyphRange.location==0,wxT("glyphRange must begin at zero")); |
| 257 | |
| 258 | NSAffineTransform *transform = [NSAffineTransform transform]; |
| 259 | [transform translateXBy:x yBy:y]; |
| 260 | |
| 261 | NSAffineTransform *flipTransform = [NSAffineTransform transform]; |
| 262 | /* x' = 1x + 0y + 0 |
| 263 | y' = 0x + -1y + window's height |
| 264 | */ |
| 265 | NSAffineTransformStruct matrix = { |
| 266 | 1, 0 |
| 267 | , 0, -1 |
| 268 | , 0, usedRect.size.height |
| 269 | }; |
| 270 | [flipTransform setTransformStruct: matrix]; |
| 271 | |
| 272 | NSGraphicsContext *context = [NSGraphicsContext currentContext]; |
| 273 | [context saveGraphicsState]; |
| 274 | [transform concat]; |
| 275 | [flipTransform concat]; |
| 276 | #if 0 |
| 277 | // Draw+fill a rectangle so we can see where the shit is supposed to be. |
| 278 | wxLogDebug(wxT("(%f,%f) (%fx%f)"),usedRect.origin.x,usedRect.origin.y,usedRect.size.width,usedRect.size.height); |
| 279 | NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(0,0,usedRect.size.width,usedRect.size.height)]; |
| 280 | [[NSColor blackColor] set]; |
| 281 | [bezpath stroke]; |
| 282 | [[NSColor blueColor] set]; |
| 283 | [bezpath fill]; |
| 284 | #endif |
| 285 | |
| 286 | NSPoint layoutLocation = [sm_cocoaNSLayoutManager locationForGlyphAtIndex:0]; |
| 287 | layoutLocation.x = 0.0; |
| 288 | layoutLocation.y *= -1.0; |
| 289 | layoutLocation.y += [[sm_cocoaNSLayoutManager typesetter] baselineOffsetInLayoutManager:sm_cocoaNSLayoutManager glyphIndex:0]; |
| 290 | if(m_backgroundMode==wxSOLID) |
| 291 | [sm_cocoaNSLayoutManager drawBackgroundForGlyphRange:glyphRange atPoint:NSZeroPoint]; |
| 292 | [sm_cocoaNSLayoutManager drawGlyphsForGlyphRange:glyphRange atPoint:layoutLocation]; |
| 293 | |
| 294 | [context restoreGraphicsState]; |
| 295 | } |
| 296 | |
| 297 | // wxDCBase functions |
| 298 | int wxDCBase::DeviceToLogicalX(int x) const |
| 299 | { |
| 300 | return x; |
| 301 | } |
| 302 | |
| 303 | int wxDCBase::DeviceToLogicalY(int y) const |
| 304 | { |
| 305 | return y; |
| 306 | } |
| 307 | |
| 308 | int wxDCBase::DeviceToLogicalXRel(int x) const |
| 309 | { |
| 310 | return x; |
| 311 | } |
| 312 | |
| 313 | int wxDCBase::DeviceToLogicalYRel(int y) const |
| 314 | { |
| 315 | return y; |
| 316 | } |
| 317 | |
| 318 | int wxDCBase::LogicalToDeviceX(int x) const |
| 319 | { |
| 320 | return x; |
| 321 | } |
| 322 | |
| 323 | int wxDCBase::LogicalToDeviceY(int y) const |
| 324 | { |
| 325 | return y; |
| 326 | } |
| 327 | |
| 328 | int wxDCBase::LogicalToDeviceXRel(int x) const |
| 329 | { |
| 330 | return x; |
| 331 | } |
| 332 | |
| 333 | int wxDCBase::LogicalToDeviceYRel(int y) const |
| 334 | { |
| 335 | return y; |
| 336 | } |
| 337 | |
| 338 | /////////////////////////////////////////////////////////////////////////// |
| 339 | // cut here, the rest is stubs |
| 340 | /////////////////////////////////////////////////////////////////////////// |
| 341 | |
| 342 | //----------------------------------------------------------------------------- |
| 343 | // constants |
| 344 | //----------------------------------------------------------------------------- |
| 345 | |
| 346 | #define mm2inches 0.0393700787402 |
| 347 | #define inches2mm 25.4 |
| 348 | #define mm2twips 56.6929133859 |
| 349 | #define twips2mm 0.0176388888889 |
| 350 | #define mm2pt 2.83464566929 |
| 351 | #define pt2mm 0.352777777778 |
| 352 | |
| 353 | //----------------------------------------------------------------------------- |
| 354 | // wxDC |
| 355 | //----------------------------------------------------------------------------- |
| 356 | |
| 357 | void wxDC::DoDrawIcon( const wxIcon &WXUNUSED(icon), int WXUNUSED(x), int WXUNUSED(y) ) |
| 358 | { |
| 359 | }; |
| 360 | |
| 361 | void wxDC::DoDrawPoint( int x, int y ) |
| 362 | { |
| 363 | }; |
| 364 | |
| 365 | void wxDC::DoDrawPolygon( int, wxPoint *, int, int, int) |
| 366 | { |
| 367 | }; |
| 368 | |
| 369 | void wxDC::DoDrawLines( int, wxPoint *, int, int ) |
| 370 | { |
| 371 | } |
| 372 | |
| 373 | int wxDC::GetDepth() const |
| 374 | { |
| 375 | return 0; |
| 376 | } |
| 377 | |
| 378 | wxSize wxDC::GetPPI() const |
| 379 | { |
| 380 | return wxSize(0,0); |
| 381 | } |
| 382 | |
| 383 | bool wxDC::CanGetTextExtent() const |
| 384 | { |
| 385 | return false; |
| 386 | } |
| 387 | |
| 388 | wxCoord wxDC::GetCharHeight() const |
| 389 | { |
| 390 | return 0; |
| 391 | } |
| 392 | |
| 393 | wxCoord wxDC::GetCharWidth() const |
| 394 | { |
| 395 | return 0; |
| 396 | } |
| 397 | |
| 398 | bool wxDC::CanDrawBitmap() const |
| 399 | { |
| 400 | return true; |
| 401 | } |
| 402 | |
| 403 | bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const |
| 404 | { |
| 405 | return false; |
| 406 | } |
| 407 | |
| 408 | void wxDC::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc) |
| 409 | { |
| 410 | } |
| 411 | |
| 412 | void wxDC::SetPen(const wxPen& pen) |
| 413 | { |
| 414 | m_pen = pen; |
| 415 | } |
| 416 | |
| 417 | void wxDC::SetBrush(const wxBrush& brush) |
| 418 | { |
| 419 | m_brush = brush; |
| 420 | } |
| 421 | |
| 422 | void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region) |
| 423 | { |
| 424 | } |
| 425 | |
| 426 | void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height) |
| 427 | { |
| 428 | } |
| 429 | |
| 430 | void wxDC::DestroyClippingRegion() |
| 431 | { |
| 432 | } |
| 433 | |
| 434 | void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius) |
| 435 | { |
| 436 | } |
| 437 | |
| 438 | void wxDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle) |
| 439 | { |
| 440 | } |
| 441 | |
| 442 | void wxDC::DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double sa, double ea) |
| 443 | { |
| 444 | } |
| 445 | |
| 446 | void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) |
| 447 | { |
| 448 | } |
| 449 | |
| 450 | void wxDC::DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask) |
| 451 | { |
| 452 | if(!CocoaTakeFocus()) return; |
| 453 | if(!bmp.Ok()) |
| 454 | return; |
| 455 | |
| 456 | #if 0 |
| 457 | // Draw a rect so we can see where it's supposed to be |
| 458 | wxLogDebug(wxT("image at (%d,%d) size %dx%d"),x,y,bmp.GetWidth(),bmp.GetHeight()); |
| 459 | NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(x,y,bmp.GetWidth(),bmp.GetHeight())]; |
| 460 | [[NSColor blackColor] set]; |
| 461 | [bezpath stroke]; |
| 462 | [[NSColor blueColor] set]; |
| 463 | [bezpath fill]; |
| 464 | #endif // 0 |
| 465 | |
| 466 | NSAffineTransform *transform = [NSAffineTransform transform]; |
| 467 | [transform translateXBy:x yBy:y]; |
| 468 | |
| 469 | NSAffineTransform *flipTransform = [NSAffineTransform transform]; |
| 470 | /* x' = 1x + 0y + 0 |
| 471 | y' = 0x + -1y + window's height |
| 472 | */ |
| 473 | NSAffineTransformStruct matrix = { |
| 474 | 1, 0 |
| 475 | , 0, -1 |
| 476 | , 0, bmp.GetHeight() |
| 477 | }; |
| 478 | [flipTransform setTransformStruct: matrix]; |
| 479 | |
| 480 | NSGraphicsContext *context = [NSGraphicsContext currentContext]; |
| 481 | [context saveGraphicsState]; |
| 482 | [transform concat]; |
| 483 | [flipTransform concat]; |
| 484 | |
| 485 | NSImage *nsimage = [bmp.GetNSImage(useMask) retain]; |
| 486 | |
| 487 | [nsimage drawAtPoint: NSMakePoint(0,0) |
| 488 | fromRect: NSMakeRect(0.0,0.0,bmp.GetWidth(),bmp.GetHeight()) |
| 489 | operation: NSCompositeSourceOver |
| 490 | fraction: 1.0]; |
| 491 | |
| 492 | [nsimage release]; |
| 493 | [context restoreGraphicsState]; |
| 494 | } |
| 495 | |
| 496 | bool wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style) |
| 497 | { |
| 498 | return false; |
| 499 | } |
| 500 | |
| 501 | void wxDC::DoCrossHair(wxCoord x, wxCoord y) |
| 502 | { |
| 503 | } |
| 504 | |
| 505 | |
| 506 | bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask , wxCoord xsrcMask, wxCoord ysrcMask) |
| 507 | { |
| 508 | if(!CocoaTakeFocus()) return false; |
| 509 | if(!source) return false; |
| 510 | return source->CocoaDoBlitOnFocusedDC(xdest,ydest,width,height, |
| 511 | xsrc, ysrc, rop, useMask, xsrcMask, ysrcMask); |
| 512 | } |
| 513 | |
| 514 | bool wxDC::CocoaDoBlitOnFocusedDC(wxCoord xdest, wxCoord ydest, |
| 515 | wxCoord width, wxCoord height, wxCoord xsrc, wxCoord ysrc, |
| 516 | int logicalFunc, bool useMask, wxCoord xsrcMask, wxCoord ysrcMask) |
| 517 | { |
| 518 | return false; |
| 519 | } |
| 520 | |
| 521 | void wxDC::DoGetSize( int* width, int* height ) const |
| 522 | { |
| 523 | *width = m_maxX-m_minX; |
| 524 | *height = m_maxY-m_minY; |
| 525 | }; |
| 526 | |
| 527 | void wxDC::DoGetSizeMM( int* width, int* height ) const |
| 528 | { |
| 529 | int w = 0; |
| 530 | int h = 0; |
| 531 | GetSize( &w, &h ); |
| 532 | }; |
| 533 | |
| 534 | void wxDC::SetTextForeground( const wxColour &col ) |
| 535 | { |
| 536 | if (!Ok()) return; |
| 537 | m_textForegroundColour = col; |
| 538 | }; |
| 539 | |
| 540 | void wxDC::SetTextBackground( const wxColour &col ) |
| 541 | { |
| 542 | if (!Ok()) return; |
| 543 | m_textBackgroundColour = col; |
| 544 | }; |
| 545 | |
| 546 | void wxDC::Clear() |
| 547 | { |
| 548 | } |
| 549 | |
| 550 | void wxDC::SetBackground(const wxBrush& brush) |
| 551 | { |
| 552 | m_backgroundBrush = brush; |
| 553 | } |
| 554 | |
| 555 | void wxDC::SetPalette(const wxPalette&) |
| 556 | { |
| 557 | } |
| 558 | |
| 559 | void wxDC::SetLogicalFunction(int) |
| 560 | { |
| 561 | } |
| 562 | |
| 563 | |
| 564 | void wxDC::SetMapMode( int mode ) |
| 565 | { |
| 566 | switch (mode) |
| 567 | { |
| 568 | case wxMM_TWIPS: |
| 569 | break; |
| 570 | case wxMM_POINTS: |
| 571 | break; |
| 572 | case wxMM_METRIC: |
| 573 | break; |
| 574 | case wxMM_LOMETRIC: |
| 575 | break; |
| 576 | default: |
| 577 | case wxMM_TEXT: |
| 578 | SetLogicalScale( 1.0, 1.0 ); |
| 579 | break; |
| 580 | }; |
| 581 | if (mode != wxMM_TEXT) |
| 582 | { |
| 583 | }; |
| 584 | }; |
| 585 | |
| 586 | void wxDC::SetUserScale( double x, double y ) |
| 587 | { |
| 588 | // allow negative ? -> no |
| 589 | m_userScaleX = x; |
| 590 | m_userScaleY = y; |
| 591 | ComputeScaleAndOrigin(); |
| 592 | }; |
| 593 | |
| 594 | void wxDC::SetLogicalScale( double x, double y ) |
| 595 | { |
| 596 | // allow negative ? |
| 597 | m_logicalScaleX = x; |
| 598 | m_logicalScaleY = y; |
| 599 | ComputeScaleAndOrigin(); |
| 600 | }; |
| 601 | |
| 602 | void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y ) |
| 603 | { |
| 604 | m_logicalOriginX = x * m_signX; // is this still correct ? |
| 605 | m_logicalOriginY = y * m_signY; |
| 606 | ComputeScaleAndOrigin(); |
| 607 | }; |
| 608 | |
| 609 | void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y ) |
| 610 | { |
| 611 | ComputeScaleAndOrigin(); |
| 612 | }; |
| 613 | |
| 614 | void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp ) |
| 615 | { |
| 616 | m_signX = (xLeftRight ? 1 : -1); |
| 617 | m_signY = (yBottomUp ? -1 : 1); |
| 618 | ComputeScaleAndOrigin(); |
| 619 | }; |
| 620 | |
| 621 | void wxDC::ComputeScaleAndOrigin(void) |
| 622 | { |
| 623 | // CMB: copy scale to see if it changes |
| 624 | double origScaleX = m_scaleX; |
| 625 | double origScaleY = m_scaleY; |
| 626 | |
| 627 | m_scaleX = m_logicalScaleX * m_userScaleX; |
| 628 | m_scaleY = m_logicalScaleY * m_userScaleY; |
| 629 | |
| 630 | // CMB: if scale has changed call SetPen to recalulate the line width |
| 631 | if (m_scaleX != origScaleX || m_scaleY != origScaleY) |
| 632 | { |
| 633 | // this is a bit artificial, but we need to force wxDC to think |
| 634 | // the pen has changed |
| 635 | wxPen* pen = & GetPen(); |
| 636 | wxPen tempPen; |
| 637 | m_pen = tempPen; |
| 638 | SetPen(* pen); |
| 639 | } |
| 640 | }; |
| 641 | |