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removed OnIdle() which didn't compile any longer
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a24aff65 1/////////////////////////////////////////////////////////////////////////////
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2// Name: src/cocoa/dc.mm
3// Purpose: wxDC
4// Author: David Elliott
a24aff65 5// Modified by:
891d0563 6// Created: 2003/04/01
a24aff65 7// RCS-ID: $Id$
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8// Copyright: (c) 2003 David Elliott
9// Licence: wxWindows license
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10/////////////////////////////////////////////////////////////////////////////
11
a24aff65 12#include "wx/dc.h"
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13#include "wx/log.h"
14
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15#import <AppKit/NSBezierPath.h>
16#import <AppKit/NSTextStorage.h>
17#import <AppKit/NSLayoutManager.h>
18#import <AppKit/NSTextContainer.h>
19#import <AppKit/NSGraphicsContext.h>
20#import <AppKit/NSAffineTransform.h>
21#import <AppKit/NSColor.h>
22#import <AppKit/NSTypeSetter.h>
23
a24aff65 24IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
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25wxDC *wxDC::sm_focusedDC = NULL;
26WX_NSTextStorage wxDC::sm_cocoaNSTextStorage = nil;
27WX_NSLayoutManager wxDC::sm_cocoaNSLayoutManager = nil;
28WX_NSTextContainer wxDC::sm_cocoaNSTextContainer = nil;
29
30void wxDC::CocoaInitializeTextSystem()
31{
32 wxASSERT_MSG(!sm_cocoaNSTextStorage && !sm_cocoaNSLayoutManager && !sm_cocoaNSTextContainer,"Text system already initalized! BAD PROGRAMMER!");
33
34 sm_cocoaNSTextStorage = [[NSTextStorage alloc] init];
35
36 sm_cocoaNSLayoutManager = [[NSLayoutManager alloc] init];
37 [sm_cocoaNSTextStorage addLayoutManager:sm_cocoaNSLayoutManager];
38 // NSTextStorage retains NSLayoutManager, but so do we
39 // [sm_cocoaNSLayoutManager release]; [sm_cocoaNSLayoutManager retain];
40
41 // NOTE: initWithContainerSize is the designated initializer, but the
42 // Apple CircleView sample gets away with just calling init, which
43 // is all we really need for our purposes.
44 sm_cocoaNSTextContainer = [[NSTextContainer alloc] init];
45 [sm_cocoaNSLayoutManager addTextContainer:sm_cocoaNSTextContainer];
46 // NSLayoutManager retains NSTextContainer, but so do we
47 // [sm_cocoaNSTextContainer release]; [sm_cocoaNSTextContainer retain];
48}
49
50void wxDC::CocoaShutdownTextSystem()
51{
52 [sm_cocoaNSTextContainer release]; sm_cocoaNSTextContainer = nil;
53 [sm_cocoaNSLayoutManager release]; sm_cocoaNSLayoutManager = nil;
54 [sm_cocoaNSTextStorage release]; sm_cocoaNSTextStorage = nil;
55}
56
57wxDC::wxDC(void)
58{
59}
60
61wxDC::~wxDC(void)
62{
63}
64
65void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
66{
67 NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(x,y,width,height)];
c3b0c2c3 68 [m_textForegroundColour.GetNSColor() set];
891d0563 69 [bezpath stroke];
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70 [m_brush.GetNSColor() set];
71 [bezpath fill];
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72}
73
74void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
75{
76 NSBezierPath *bezpath = [NSBezierPath bezierPath];
77 [bezpath moveToPoint:NSMakePoint(x1,y1)];
78 [bezpath lineToPoint:NSMakePoint(x2,y2)];
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79
80 [m_textForegroundColour.GetNSColor() set];
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81 [bezpath stroke];
82}
83
84void wxDC::DoGetTextExtent(const wxString& text, wxCoord *x, wxCoord *y, wxCoord *descent, wxCoord *externalLeading, wxFont *theFont) const
85{
86// FIXME: Cache this so it can be used for DoDrawText
87 wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, "Text system has not been initialized. BAD PROGRAMMER!");
88 NSAttributedString *attributedString = [[NSAttributedString alloc]
89 initWithString:[NSString stringWithCString:text.c_str()]];
90 [sm_cocoaNSTextStorage setAttributedString:attributedString];
91 [attributedString release];
92
93 NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer];
94 NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer];
95 if(x)
dc483f61 96 *x=(int)usedRect.size.width;
891d0563 97 if(y)
dc483f61 98 *y=(int)usedRect.size.height;
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99 if(descent)
100 *descent=0;
101 if(externalLeading)
102 *externalLeading=0;
103}
104
105void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
106{
107 wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, "Text system has not been initialized. BAD PROGRAMMER!");
108 NSAttributedString *attributedString = [[NSAttributedString alloc]
109 initWithString:[NSString stringWithCString:text.c_str()]];
110 [sm_cocoaNSTextStorage setAttributedString:attributedString];
111 [attributedString release];
112
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113 // Set the color (and later font) attributes
114 NSColor *fgColor = m_textForegroundColour.GetNSColor();
115 NSColor *bgColor = m_textBackgroundColour.GetNSColor();
116 if(!fgColor)
117 fgColor = [NSColor clearColor];
118 if(!bgColor)
119 bgColor = [NSColor clearColor];
120 NSDictionary *attrDict = [[NSDictionary alloc] initWithObjectsAndKeys:
121 fgColor, NSForegroundColorAttributeName,
122 bgColor, NSBackgroundColorAttributeName,
123 nil];
124 [sm_cocoaNSTextStorage addAttributes: attrDict range:NSMakeRange(0,[sm_cocoaNSTextStorage length])];
125 [attrDict release];
126
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127 NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer];
128 NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer];
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129 // NOTE: We'll crash trying to get the location of glyphAtIndex:0 if
130 // there is no length or we don't start at zero
131 if(!glyphRange.length)
132 return;
133 wxASSERT_MSG(glyphRange.location==0,"glyphRange must begin at zero");
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134
135 NSAffineTransform *transform = [NSAffineTransform transform];
136 [transform translateXBy:x yBy:y];
137
138 NSAffineTransform *flipTransform = [NSAffineTransform transform];
139 /* x' = 1x + 0y + 0
140 y' = 0x + -1y + window's height
141 */
142 NSAffineTransformStruct matrix = {
143 1, 0
144 , 0, -1
145 , 0, usedRect.size.height
146 };
147 [flipTransform setTransformStruct: matrix];
148
149 NSGraphicsContext *context = [NSGraphicsContext currentContext];
150 [context saveGraphicsState];
151 [transform concat];
152 [flipTransform concat];
c3b0c2c3 153 #if 0
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154 // Draw+fill a rectangle so we can see where the shit is supposed to be.
155 wxLogDebug("(%f,%f) (%fx%f)",usedRect.origin.x,usedRect.origin.y,usedRect.size.width,usedRect.size.height);
156 NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(0,0,usedRect.size.width,usedRect.size.height)];
157 [[NSColor blackColor] set];
158 [bezpath stroke];
159 [[NSColor blueColor] set];
160 [bezpath fill];
c3b0c2c3 161 #endif
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162
163 NSPoint layoutLocation = [sm_cocoaNSLayoutManager locationForGlyphAtIndex:0];
164 layoutLocation.x = 0.0;
165 layoutLocation.y *= -1.0;
166 layoutLocation.y += [[sm_cocoaNSLayoutManager typesetter] baselineOffsetInLayoutManager:sm_cocoaNSLayoutManager glyphIndex:0];
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167 if(m_backgroundMode==wxSOLID)
168 [sm_cocoaNSLayoutManager drawBackgroundForGlyphRange:glyphRange atPoint:NSZeroPoint];
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169 [sm_cocoaNSLayoutManager drawGlyphsForGlyphRange:glyphRange atPoint:layoutLocation];
170
171 [context restoreGraphicsState];
172}
173
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174// wxDCBase functions
175int wxDCBase::DeviceToLogicalX(int x) const
176{
177 return x;
178}
179
180int wxDCBase::DeviceToLogicalY(int y) const
181{
182 return y;
183}
184
185int wxDCBase::LogicalToDeviceX(int x) const
186{
187 return x;
188}
189
190int wxDCBase::LogicalToDeviceY(int y) const
191{
192 return y;
193}
194
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195///////////////////////////////////////////////////////////////////////////
196// cut here, the rest is stubs
197///////////////////////////////////////////////////////////////////////////
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198
199//-----------------------------------------------------------------------------
200// constants
201//-----------------------------------------------------------------------------
202
203#define mm2inches 0.0393700787402
204#define inches2mm 25.4
205#define mm2twips 56.6929133859
206#define twips2mm 0.0176388888889
207#define mm2pt 2.83464566929
208#define pt2mm 0.352777777778
209
210//-----------------------------------------------------------------------------
211// wxDC
212//-----------------------------------------------------------------------------
213
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214void wxDC::DoDrawIcon( const wxIcon &WXUNUSED(icon), int WXUNUSED(x), int WXUNUSED(y) )
215{
216};
217
218void wxDC::DoDrawPoint( int x, int y )
219{
220};
221
222void wxDC::DoDrawPolygon( int, wxPoint *, int, int, int)
223{
224};
225
226void wxDC::DoDrawLines( int, wxPoint *, int, int )
227{
228}
229
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230int wxDC::GetDepth() const
231{
232 return 0;
233}
234
235wxSize wxDC::GetPPI() const
236{
237 return wxSize(0,0);
238}
239
240bool wxDC::CanGetTextExtent() const
241{
242 return false;
243}
244
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245wxCoord wxDC::GetCharHeight() const
246{
247 return 0;
248}
249
250wxCoord wxDC::GetCharWidth() const
251{
252 return 0;
253}
254
255bool wxDC::CanDrawBitmap() const
256{
257 return false;
258}
259
260bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
261{
262 return false;
263}
264
265void wxDC::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
266{
267}
268
269void wxDC::SetPen(const wxPen& pen)
270{
271}
272
273void wxDC::SetBrush(const wxBrush& brush)
274{
c3b0c2c3 275 m_brush = brush;
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276}
277
278void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
279{
280}
281
282void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
283{
284}
285
286void wxDC::DestroyClippingRegion()
287{
288}
289
290void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
291{
292}
293
294void wxDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
295{
296}
297
298void wxDC::DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double sa, double ea)
299{
300}
301
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302void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
303{
304}
305
306void wxDC::DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask)
307{
308}
309
310bool wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
311{
312 return false;
313}
314
315void wxDC::DoCrossHair(wxCoord x, wxCoord y)
316{
317}
318
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319
320bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask , wxCoord xsrcMask, wxCoord ysrcMask)
321{
322 return false;
323}
324
325void wxDC::DoGetSize( int* width, int* height ) const
326{
327 *width = m_maxX-m_minX;
328 *height = m_maxY-m_minY;
329};
330
331void wxDC::DoGetSizeMM( int* width, int* height ) const
332{
333 int w = 0;
334 int h = 0;
335 GetSize( &w, &h );
336};
337
338void wxDC::SetTextForeground( const wxColour &col )
339{
340 if (!Ok()) return;
341 m_textForegroundColour = col;
342};
343
344void wxDC::SetTextBackground( const wxColour &col )
345{
346 if (!Ok()) return;
347 m_textBackgroundColour = col;
348};
349
350void wxDC::Clear()
351{
352}
353
7bc429ef 354void wxDC::SetBackground(const wxBrush& brush)
a24aff65 355{
7bc429ef 356 m_backgroundBrush = brush;
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357}
358
359void wxDC::SetPalette(const wxPalette&)
360{
361}
362
363void wxDC::SetLogicalFunction(int)
364{
365}
366
367
368void wxDC::SetMapMode( int mode )
369{
370 switch (mode)
371 {
372 case wxMM_TWIPS:
373 break;
374 case wxMM_POINTS:
375 break;
376 case wxMM_METRIC:
377 break;
378 case wxMM_LOMETRIC:
379 break;
380 default:
381 case wxMM_TEXT:
382 SetLogicalScale( 1.0, 1.0 );
383 break;
384 };
385 if (mode != wxMM_TEXT)
386 {
387 };
388};
389
390void wxDC::SetUserScale( double x, double y )
391{
392 // allow negative ? -> no
393 m_userScaleX = x;
394 m_userScaleY = y;
395 ComputeScaleAndOrigin();
396};
397
398void wxDC::SetLogicalScale( double x, double y )
399{
400 // allow negative ?
401 m_logicalScaleX = x;
402 m_logicalScaleY = y;
403 ComputeScaleAndOrigin();
404};
405
406void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
407{
408 m_logicalOriginX = x * m_signX; // is this still correct ?
409 m_logicalOriginY = y * m_signY;
410 ComputeScaleAndOrigin();
411};
412
413void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
414{
415 ComputeScaleAndOrigin();
416};
417
418void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
419{
420 m_signX = (xLeftRight ? 1 : -1);
421 m_signY = (yBottomUp ? -1 : 1);
422 ComputeScaleAndOrigin();
423};
424
425void wxDC::ComputeScaleAndOrigin(void)
426{
427 // CMB: copy scale to see if it changes
428 double origScaleX = m_scaleX;
429 double origScaleY = m_scaleY;
430
431 m_scaleX = m_logicalScaleX * m_userScaleX;
432 m_scaleY = m_logicalScaleY * m_userScaleY;
433
434 // CMB: if scale has changed call SetPen to recalulate the line width
435 if (m_scaleX != origScaleX || m_scaleY != origScaleY)
436 {
437 // this is a bit artificial, but we need to force wxDC to think
438 // the pen has changed
439 wxPen* pen = & GetPen();
440 wxPen tempPen;
441 m_pen = tempPen;
442 SetPen(* pen);
443 }
444};
445