1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove
25*b1cdbd2cSJim Jagielski #include "precompiled_vcl.hxx"
26*b1cdbd2cSJim Jagielski
27*b1cdbd2cSJim Jagielski #include <boost/bind.hpp>
28*b1cdbd2cSJim Jagielski
29*b1cdbd2cSJim Jagielski #include "basebmp/scanlineformats.hxx"
30*b1cdbd2cSJim Jagielski #include "basebmp/color.hxx"
31*b1cdbd2cSJim Jagielski
32*b1cdbd2cSJim Jagielski #include "basegfx/range/b2drectangle.hxx"
33*b1cdbd2cSJim Jagielski #include "basegfx/range/b2irange.hxx"
34*b1cdbd2cSJim Jagielski #include "basegfx/vector/b2ivector.hxx"
35*b1cdbd2cSJim Jagielski #include "basegfx/polygon/b2dpolygon.hxx"
36*b1cdbd2cSJim Jagielski #include "basegfx/polygon/b2dpolygontools.hxx"
37*b1cdbd2cSJim Jagielski
38*b1cdbd2cSJim Jagielski #include "vcl/svapp.hxx"
39*b1cdbd2cSJim Jagielski
40*b1cdbd2cSJim Jagielski #include "aqua/salgdi.h"
41*b1cdbd2cSJim Jagielski #include "aqua/salframe.h"
42*b1cdbd2cSJim Jagielski #include "aqua/saldata.hxx"
43*b1cdbd2cSJim Jagielski
44*b1cdbd2cSJim Jagielski // ----------------------------------------------------------------------
45*b1cdbd2cSJim Jagielski
SetWindowGraphics(AquaSalFrame * pFrame)46*b1cdbd2cSJim Jagielski void AquaSalGraphics::SetWindowGraphics( AquaSalFrame* pFrame )
47*b1cdbd2cSJim Jagielski {
48*b1cdbd2cSJim Jagielski mpFrame = pFrame;
49*b1cdbd2cSJim Jagielski
50*b1cdbd2cSJim Jagielski mbWindow = true;
51*b1cdbd2cSJim Jagielski mbPrinter = false;
52*b1cdbd2cSJim Jagielski mbVirDev = false;
53*b1cdbd2cSJim Jagielski }
54*b1cdbd2cSJim Jagielski
SetPrinterGraphics(CGContextRef xContext,long nDPIX,long nDPIY,double fScale)55*b1cdbd2cSJim Jagielski void AquaSalGraphics::SetPrinterGraphics( CGContextRef xContext, long nDPIX, long nDPIY, double fScale )
56*b1cdbd2cSJim Jagielski {
57*b1cdbd2cSJim Jagielski mbWindow = false;
58*b1cdbd2cSJim Jagielski mbPrinter = true;
59*b1cdbd2cSJim Jagielski mbVirDev = false;
60*b1cdbd2cSJim Jagielski
61*b1cdbd2cSJim Jagielski mrContext = xContext;
62*b1cdbd2cSJim Jagielski mfFakeDPIScale = fScale;
63*b1cdbd2cSJim Jagielski mnRealDPIX = nDPIX;
64*b1cdbd2cSJim Jagielski mnRealDPIY = nDPIY;
65*b1cdbd2cSJim Jagielski
66*b1cdbd2cSJim Jagielski // a previously set clip path is now invalid
67*b1cdbd2cSJim Jagielski if( mxClipPath )
68*b1cdbd2cSJim Jagielski {
69*b1cdbd2cSJim Jagielski CGPathRelease( mxClipPath );
70*b1cdbd2cSJim Jagielski mxClipPath = NULL;
71*b1cdbd2cSJim Jagielski }
72*b1cdbd2cSJim Jagielski
73*b1cdbd2cSJim Jagielski if( mrContext )
74*b1cdbd2cSJim Jagielski {
75*b1cdbd2cSJim Jagielski CGContextSetFillColorSpace( mrContext, GetSalData()->mxRGBSpace );
76*b1cdbd2cSJim Jagielski CGContextSetStrokeColorSpace( mrContext, GetSalData()->mxRGBSpace );
77*b1cdbd2cSJim Jagielski CGContextSaveGState( mrContext );
78*b1cdbd2cSJim Jagielski SetState();
79*b1cdbd2cSJim Jagielski }
80*b1cdbd2cSJim Jagielski }
81*b1cdbd2cSJim Jagielski
SetVirDevGraphics(CGLayerRef xLayer,CGContextRef xContext,int nBitmapDepth)82*b1cdbd2cSJim Jagielski void AquaSalGraphics::SetVirDevGraphics( CGLayerRef xLayer, CGContextRef xContext,
83*b1cdbd2cSJim Jagielski int nBitmapDepth )
84*b1cdbd2cSJim Jagielski {
85*b1cdbd2cSJim Jagielski mbWindow = false;
86*b1cdbd2cSJim Jagielski mbPrinter = false;
87*b1cdbd2cSJim Jagielski mbVirDev = true;
88*b1cdbd2cSJim Jagielski
89*b1cdbd2cSJim Jagielski // set graphics properties
90*b1cdbd2cSJim Jagielski mxLayer = xLayer;
91*b1cdbd2cSJim Jagielski mrContext = xContext;
92*b1cdbd2cSJim Jagielski mnBitmapDepth = nBitmapDepth;
93*b1cdbd2cSJim Jagielski
94*b1cdbd2cSJim Jagielski // return early if the virdev is being destroyed
95*b1cdbd2cSJim Jagielski if( !xContext )
96*b1cdbd2cSJim Jagielski return;
97*b1cdbd2cSJim Jagielski
98*b1cdbd2cSJim Jagielski // get new graphics properties
99*b1cdbd2cSJim Jagielski if( !mxLayer )
100*b1cdbd2cSJim Jagielski {
101*b1cdbd2cSJim Jagielski mnWidth = CGBitmapContextGetWidth( mrContext );
102*b1cdbd2cSJim Jagielski mnHeight = CGBitmapContextGetHeight( mrContext );
103*b1cdbd2cSJim Jagielski }
104*b1cdbd2cSJim Jagielski else
105*b1cdbd2cSJim Jagielski {
106*b1cdbd2cSJim Jagielski const CGSize aSize = CGLayerGetSize( mxLayer );
107*b1cdbd2cSJim Jagielski mnWidth = static_cast<int>(aSize.width);
108*b1cdbd2cSJim Jagielski mnHeight = static_cast<int>(aSize.height);
109*b1cdbd2cSJim Jagielski }
110*b1cdbd2cSJim Jagielski
111*b1cdbd2cSJim Jagielski // prepare graphics for drawing
112*b1cdbd2cSJim Jagielski const CGColorSpaceRef aCGColorSpace = GetSalData()->mxRGBSpace;
113*b1cdbd2cSJim Jagielski CGContextSetFillColorSpace( mrContext, aCGColorSpace );
114*b1cdbd2cSJim Jagielski CGContextSetStrokeColorSpace( mrContext, aCGColorSpace );
115*b1cdbd2cSJim Jagielski
116*b1cdbd2cSJim Jagielski // re-enable XorEmulation for the new context
117*b1cdbd2cSJim Jagielski if( mpXorEmulation )
118*b1cdbd2cSJim Jagielski {
119*b1cdbd2cSJim Jagielski mpXorEmulation->SetTarget( mnWidth, mnHeight, mnBitmapDepth, mrContext, mxLayer );
120*b1cdbd2cSJim Jagielski if( mpXorEmulation->IsEnabled() )
121*b1cdbd2cSJim Jagielski mrContext = mpXorEmulation->GetMaskContext();
122*b1cdbd2cSJim Jagielski }
123*b1cdbd2cSJim Jagielski
124*b1cdbd2cSJim Jagielski // initialize stack of CGContext states
125*b1cdbd2cSJim Jagielski CGContextSaveGState( mrContext );
126*b1cdbd2cSJim Jagielski SetState();
127*b1cdbd2cSJim Jagielski }
128*b1cdbd2cSJim Jagielski
129*b1cdbd2cSJim Jagielski // ----------------------------------------------------------------------
130*b1cdbd2cSJim Jagielski
InvalidateContext()131*b1cdbd2cSJim Jagielski void AquaSalGraphics::InvalidateContext()
132*b1cdbd2cSJim Jagielski {
133*b1cdbd2cSJim Jagielski UnsetState();
134*b1cdbd2cSJim Jagielski mrContext = 0;
135*b1cdbd2cSJim Jagielski }
136*b1cdbd2cSJim Jagielski
137*b1cdbd2cSJim Jagielski // ----------------------------------------------------------------------
138*b1cdbd2cSJim Jagielski
UnsetState()139*b1cdbd2cSJim Jagielski void AquaSalGraphics::UnsetState()
140*b1cdbd2cSJim Jagielski {
141*b1cdbd2cSJim Jagielski if( mrContext )
142*b1cdbd2cSJim Jagielski {
143*b1cdbd2cSJim Jagielski CGContextRestoreGState( mrContext );
144*b1cdbd2cSJim Jagielski mrContext = 0;
145*b1cdbd2cSJim Jagielski }
146*b1cdbd2cSJim Jagielski if( mxClipPath )
147*b1cdbd2cSJim Jagielski {
148*b1cdbd2cSJim Jagielski CGPathRelease( mxClipPath );
149*b1cdbd2cSJim Jagielski mxClipPath = NULL;
150*b1cdbd2cSJim Jagielski }
151*b1cdbd2cSJim Jagielski }
152*b1cdbd2cSJim Jagielski
SetState()153*b1cdbd2cSJim Jagielski void AquaSalGraphics::SetState()
154*b1cdbd2cSJim Jagielski {
155*b1cdbd2cSJim Jagielski CGContextRestoreGState( mrContext );
156*b1cdbd2cSJim Jagielski CGContextSaveGState( mrContext );
157*b1cdbd2cSJim Jagielski
158*b1cdbd2cSJim Jagielski // setup clipping
159*b1cdbd2cSJim Jagielski if( mxClipPath )
160*b1cdbd2cSJim Jagielski {
161*b1cdbd2cSJim Jagielski CGContextBeginPath( mrContext ); // discard any existing path
162*b1cdbd2cSJim Jagielski CGContextAddPath( mrContext, mxClipPath ); // set the current path to the clipping path
163*b1cdbd2cSJim Jagielski CGContextClip( mrContext ); // use it for clipping
164*b1cdbd2cSJim Jagielski }
165*b1cdbd2cSJim Jagielski
166*b1cdbd2cSJim Jagielski // set RGB colorspace and line and fill colors
167*b1cdbd2cSJim Jagielski CGContextSetFillColor( mrContext, maFillColor.AsArray() );
168*b1cdbd2cSJim Jagielski CGContextSetStrokeColor( mrContext, maLineColor.AsArray() );
169*b1cdbd2cSJim Jagielski CGContextSetShouldAntialias( mrContext, false );
170*b1cdbd2cSJim Jagielski if( mnXorMode == 2 )
171*b1cdbd2cSJim Jagielski CGContextSetBlendMode( mrContext, kCGBlendModeDifference );
172*b1cdbd2cSJim Jagielski }
173*b1cdbd2cSJim Jagielski
174*b1cdbd2cSJim Jagielski // ----------------------------------------------------------------------
175*b1cdbd2cSJim Jagielski
CheckContext()176*b1cdbd2cSJim Jagielski bool AquaSalGraphics::CheckContext()
177*b1cdbd2cSJim Jagielski {
178*b1cdbd2cSJim Jagielski if( mbWindow && mpFrame && mpFrame->getNSWindow() )
179*b1cdbd2cSJim Jagielski {
180*b1cdbd2cSJim Jagielski const unsigned int nWidth = mpFrame->maGeometry.nWidth;
181*b1cdbd2cSJim Jagielski const unsigned int nHeight = mpFrame->maGeometry.nHeight;
182*b1cdbd2cSJim Jagielski
183*b1cdbd2cSJim Jagielski CGContextRef rReleaseContext = 0;
184*b1cdbd2cSJim Jagielski CGLayerRef rReleaseLayer = NULL;
185*b1cdbd2cSJim Jagielski
186*b1cdbd2cSJim Jagielski // check if a new drawing context is needed (e.g. after a resize)
187*b1cdbd2cSJim Jagielski if( (unsigned(mnWidth) != nWidth) || (unsigned(mnHeight) != nHeight) )
188*b1cdbd2cSJim Jagielski {
189*b1cdbd2cSJim Jagielski mnWidth = nWidth;
190*b1cdbd2cSJim Jagielski mnHeight = nHeight;
191*b1cdbd2cSJim Jagielski // prepare to release the corresponding resources
192*b1cdbd2cSJim Jagielski rReleaseContext = mrContext;
193*b1cdbd2cSJim Jagielski rReleaseLayer = mxLayer;
194*b1cdbd2cSJim Jagielski mrContext = NULL;
195*b1cdbd2cSJim Jagielski mxLayer = NULL;
196*b1cdbd2cSJim Jagielski }
197*b1cdbd2cSJim Jagielski
198*b1cdbd2cSJim Jagielski if( !mrContext )
199*b1cdbd2cSJim Jagielski {
200*b1cdbd2cSJim Jagielski const CGSize aLayerSize = CGSizeMake( nWidth, nHeight);
201*b1cdbd2cSJim Jagielski NSGraphicsContext* pNSGContext = [NSGraphicsContext graphicsContextWithWindow: mpFrame->getNSWindow()];
202*b1cdbd2cSJim Jagielski CGContextRef xCGContext = reinterpret_cast<CGContextRef>([pNSGContext graphicsPort]);
203*b1cdbd2cSJim Jagielski mxLayer = CGLayerCreateWithContext( xCGContext, aLayerSize, NULL );
204*b1cdbd2cSJim Jagielski if( mxLayer )
205*b1cdbd2cSJim Jagielski mrContext = CGLayerGetContext( mxLayer );
206*b1cdbd2cSJim Jagielski
207*b1cdbd2cSJim Jagielski if( mrContext )
208*b1cdbd2cSJim Jagielski {
209*b1cdbd2cSJim Jagielski // copy original layer to resized layer
210*b1cdbd2cSJim Jagielski if( rReleaseLayer )
211*b1cdbd2cSJim Jagielski CGContextDrawLayerAtPoint( mrContext, CGPointZero, rReleaseLayer );
212*b1cdbd2cSJim Jagielski
213*b1cdbd2cSJim Jagielski CGContextTranslateCTM( mrContext, 0, nHeight );
214*b1cdbd2cSJim Jagielski CGContextScaleCTM( mrContext, 1.0, -1.0 );
215*b1cdbd2cSJim Jagielski CGContextSetFillColorSpace( mrContext, GetSalData()->mxRGBSpace );
216*b1cdbd2cSJim Jagielski CGContextSetStrokeColorSpace( mrContext, GetSalData()->mxRGBSpace );
217*b1cdbd2cSJim Jagielski CGContextSaveGState( mrContext );
218*b1cdbd2cSJim Jagielski SetState();
219*b1cdbd2cSJim Jagielski
220*b1cdbd2cSJim Jagielski // re-enable XOR emulation for the new context
221*b1cdbd2cSJim Jagielski if( mpXorEmulation )
222*b1cdbd2cSJim Jagielski mpXorEmulation->SetTarget( mnWidth, mnHeight, mnBitmapDepth, mrContext, mxLayer );
223*b1cdbd2cSJim Jagielski }
224*b1cdbd2cSJim Jagielski }
225*b1cdbd2cSJim Jagielski
226*b1cdbd2cSJim Jagielski if( rReleaseLayer )
227*b1cdbd2cSJim Jagielski CGLayerRelease( rReleaseLayer );
228*b1cdbd2cSJim Jagielski else if( rReleaseContext )
229*b1cdbd2cSJim Jagielski CGContextRelease( rReleaseContext );
230*b1cdbd2cSJim Jagielski }
231*b1cdbd2cSJim Jagielski
232*b1cdbd2cSJim Jagielski DBG_ASSERT( mrContext || mbPrinter, "<<<WARNING>>> AquaSalGraphics::CheckContext() FAILED!!!!\n" );
233*b1cdbd2cSJim Jagielski return (mrContext != NULL);
234*b1cdbd2cSJim Jagielski }
235*b1cdbd2cSJim Jagielski
236*b1cdbd2cSJim Jagielski
RefreshRect(float lX,float lY,float lWidth,float lHeight)237*b1cdbd2cSJim Jagielski void AquaSalGraphics::RefreshRect(float lX, float lY, float lWidth, float lHeight)
238*b1cdbd2cSJim Jagielski {
239*b1cdbd2cSJim Jagielski if( ! mbWindow ) // view only on Window graphics
240*b1cdbd2cSJim Jagielski return;
241*b1cdbd2cSJim Jagielski
242*b1cdbd2cSJim Jagielski if( mpFrame )
243*b1cdbd2cSJim Jagielski {
244*b1cdbd2cSJim Jagielski // update a little more around the designated rectangle
245*b1cdbd2cSJim Jagielski // this helps with antialiased rendering
246*b1cdbd2cSJim Jagielski // Rounding down x and width can accumulate a rounding error of up to 2
247*b1cdbd2cSJim Jagielski // The decrementing of x, the rounding error and the antialiasing border
248*b1cdbd2cSJim Jagielski // require that the width and the height need to be increased by four
249*b1cdbd2cSJim Jagielski const Rectangle aVclRect(Point(static_cast<long int>(lX-1),
250*b1cdbd2cSJim Jagielski static_cast<long int>(lY-1) ),
251*b1cdbd2cSJim Jagielski Size( static_cast<long int>(lWidth+4),
252*b1cdbd2cSJim Jagielski static_cast<long int>(lHeight+4) ) );
253*b1cdbd2cSJim Jagielski mpFrame->maInvalidRect.Union( aVclRect );
254*b1cdbd2cSJim Jagielski }
255*b1cdbd2cSJim Jagielski }
256*b1cdbd2cSJim Jagielski
makeCGptArray(sal_uLong nPoints,const SalPoint * pPtAry)257*b1cdbd2cSJim Jagielski CGPoint* AquaSalGraphics::makeCGptArray(sal_uLong nPoints, const SalPoint* pPtAry)
258*b1cdbd2cSJim Jagielski {
259*b1cdbd2cSJim Jagielski CGPoint *CGpoints = new CGPoint[ nPoints];
260*b1cdbd2cSJim Jagielski if ( CGpoints )
261*b1cdbd2cSJim Jagielski {
262*b1cdbd2cSJim Jagielski for(sal_uLong i=0;i<nPoints;i++)
263*b1cdbd2cSJim Jagielski {
264*b1cdbd2cSJim Jagielski CGpoints[i].x = (float)(pPtAry[i].mnX);
265*b1cdbd2cSJim Jagielski CGpoints[i].y = (float)(pPtAry[i].mnY);
266*b1cdbd2cSJim Jagielski }
267*b1cdbd2cSJim Jagielski }
268*b1cdbd2cSJim Jagielski return CGpoints;
269*b1cdbd2cSJim Jagielski }
270*b1cdbd2cSJim Jagielski
271*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
272*b1cdbd2cSJim Jagielski
UpdateWindow(NSRect &)273*b1cdbd2cSJim Jagielski void AquaSalGraphics::UpdateWindow( NSRect& )
274*b1cdbd2cSJim Jagielski {
275*b1cdbd2cSJim Jagielski if( !mpFrame )
276*b1cdbd2cSJim Jagielski return;
277*b1cdbd2cSJim Jagielski NSGraphicsContext* pContext = [NSGraphicsContext currentContext];
278*b1cdbd2cSJim Jagielski if( (mxLayer != NULL) && (pContext != NULL) )
279*b1cdbd2cSJim Jagielski {
280*b1cdbd2cSJim Jagielski CGContextRef rCGContext = reinterpret_cast<CGContextRef>([pContext graphicsPort]);
281*b1cdbd2cSJim Jagielski
282*b1cdbd2cSJim Jagielski CGMutablePathRef rClip = mpFrame->getClipPath();
283*b1cdbd2cSJim Jagielski if( rClip )
284*b1cdbd2cSJim Jagielski {
285*b1cdbd2cSJim Jagielski CGContextSaveGState( rCGContext );
286*b1cdbd2cSJim Jagielski CGContextBeginPath( rCGContext );
287*b1cdbd2cSJim Jagielski CGContextAddPath( rCGContext, rClip );
288*b1cdbd2cSJim Jagielski CGContextClip( rCGContext );
289*b1cdbd2cSJim Jagielski }
290*b1cdbd2cSJim Jagielski
291*b1cdbd2cSJim Jagielski ApplyXorContext();
292*b1cdbd2cSJim Jagielski CGContextDrawLayerAtPoint( rCGContext, CGPointZero, mxLayer );
293*b1cdbd2cSJim Jagielski if( rClip ) // cleanup clipping
294*b1cdbd2cSJim Jagielski CGContextRestoreGState( rCGContext );
295*b1cdbd2cSJim Jagielski }
296*b1cdbd2cSJim Jagielski else
297*b1cdbd2cSJim Jagielski DBG_ASSERT( mpFrame->mbInitShow, "UpdateWindow called on uneligible graphics" );
298*b1cdbd2cSJim Jagielski }
299*b1cdbd2cSJim Jagielski
300*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
301*b1cdbd2cSJim Jagielski
302