// Created: 2003/04/01
// RCS-ID: $Id$
// Copyright: (c) 2003 David Elliott
-// Licence: wxWindows license
+// Licence: wxWidgets licence
/////////////////////////////////////////////////////////////////////////////
+#include "wx/wxprec.h"
+
#include "wx/dc.h"
-#include "wx/log.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+ #include "wx/math.h" //math constants
+#endif //WX_PRECOMP
+
+#include "wx/cocoa/autorelease.h"
+#include "wx/cocoa/string.h"
#import <AppKit/NSBezierPath.h>
#import <AppKit/NSTextStorage.h>
#import <AppKit/NSGraphicsContext.h>
#import <AppKit/NSAffineTransform.h>
#import <AppKit/NSColor.h>
-#import <AppKit/NSTypeSetter.h>
+#import <AppKit/NSTypesetter.h>
+#import <AppKit/NSImage.h>
+
+#include "wx/listimpl.cpp"
+WX_DEFINE_LIST(wxCocoaDCStack);
IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
-wxDC *wxDC::sm_focusedDC = NULL;
WX_NSTextStorage wxDC::sm_cocoaNSTextStorage = nil;
WX_NSLayoutManager wxDC::sm_cocoaNSLayoutManager = nil;
WX_NSTextContainer wxDC::sm_cocoaNSTextContainer = nil;
+wxCocoaDCStack wxDC::sm_cocoaDCStack;
+
+inline void CocoaSetPenForNSBezierPath(wxPen &pen, NSBezierPath *bezpath)
+{
+ [pen.GetNSColor() set];
+ const CGFloat *pattern;
+ [bezpath setLineDash:pattern count:pen.GetCocoaLineDash(&pattern) phase:0.0];
+ [bezpath setLineWidth:pen.GetWidth()];
+ switch(pen.GetJoin())
+ {
+ case wxJOIN_BEVEL:
+ [bezpath setLineJoinStyle:NSBevelLineJoinStyle];
+ break;
+ case wxJOIN_ROUND:
+ [bezpath setLineJoinStyle:NSRoundLineJoinStyle];
+ break;
+ case wxJOIN_MITER:
+ [bezpath setLineJoinStyle:NSMiterLineJoinStyle];
+ break;
+ }
+ switch(pen.GetCap())
+ {
+ case wxCAP_ROUND:
+ [bezpath setLineCapStyle:NSRoundLineCapStyle];
+ break;
+ case wxCAP_PROJECTING:
+ [bezpath setLineCapStyle:NSSquareLineCapStyle];
+ break;
+ case wxCAP_BUTT:
+ [bezpath setLineCapStyle:NSButtLineCapStyle];
+ break;
+ }
+}
void wxDC::CocoaInitializeTextSystem()
{
- wxASSERT_MSG(!sm_cocoaNSTextStorage && !sm_cocoaNSLayoutManager && !sm_cocoaNSTextContainer,"Text system already initalized! BAD PROGRAMMER!");
+ wxASSERT_MSG(!sm_cocoaNSTextStorage && !sm_cocoaNSLayoutManager && !sm_cocoaNSTextContainer,wxT("Text system already initalized! BAD PROGRAMMER!"));
sm_cocoaNSTextStorage = [[NSTextStorage alloc] init];
[sm_cocoaNSTextStorage release]; sm_cocoaNSTextStorage = nil;
}
+void wxDC::CocoaUnwindStackAndLoseFocus()
+{
+ wxCocoaDCStack::compatibility_iterator ourNode=sm_cocoaDCStack.Find(this);
+ if(ourNode)
+ {
+ wxCocoaDCStack::compatibility_iterator node=sm_cocoaDCStack.GetFirst();
+ for(;node!=ourNode; node=sm_cocoaDCStack.GetFirst())
+ {
+ wxDC *dc = node->GetData();
+ wxASSERT(dc);
+ wxASSERT(dc!=this);
+ if(!dc->CocoaUnlockFocus())
+ {
+ wxFAIL_MSG(wxT("Unable to unlock focus on higher-level DC!"));
+ }
+ sm_cocoaDCStack.Erase(node);
+ }
+ wxASSERT(node==ourNode);
+ wxASSERT(ourNode->GetData() == this);
+ ourNode->GetData()->CocoaUnlockFocus();
+ sm_cocoaDCStack.Erase(ourNode);
+ }
+}
+
+bool wxDC::CocoaUnwindStackAndTakeFocus()
+{
+ wxCocoaDCStack::compatibility_iterator node=sm_cocoaDCStack.GetFirst();
+ for(;node;node = sm_cocoaDCStack.GetFirst())
+ {
+ wxDC *dc = node->GetData();
+ wxASSERT(dc);
+ // If we're on the stack, then it's unwound enough and we have focus
+ if(dc==this)
+ return true;
+ // If unable to unlockFocus (e.g. wxPaintDC) stop here
+ if(!dc->CocoaUnlockFocus())
+ break;
+ sm_cocoaDCStack.Erase(node);
+ }
+ return CocoaLockFocus();
+}
+
wxDC::wxDC(void)
{
+ m_cocoaWxToBoundsTransform = nil;
+ m_pen = *wxBLACK_PEN;
}
wxDC::~wxDC(void)
{
+ [m_cocoaWxToBoundsTransform release];
+}
+
+bool wxDC::CocoaLockFocus()
+{
+ return false;
+}
+
+bool wxDC::CocoaUnlockFocus()
+{
+ return false;
+}
+
+/*static*/ WX_NSAffineTransform wxDC::CocoaGetWxToBoundsTransform(bool isFlipped, float height)
+{
+ NSAffineTransform *transform = nil;
+ // This transform flips the graphics since wxDC uses top-left origin
+ if(!isFlipped)
+ {
+ // The transform is auto released
+ transform = [NSAffineTransform transform];
+ /* x' = 1x + 0y + 0
+ y' = 0x + -1y + window's height
+ */
+ NSAffineTransformStruct matrix = {
+ 1, 0
+ , 0, -1
+ , 0, height
+ };
+ [transform setTransformStruct: matrix];
+ }
+ return transform;
+}
+
+void wxDC::CocoaApplyTransformations()
+{
+ [m_cocoaWxToBoundsTransform concat];
+ // TODO: Apply device/logical/user position/scaling transformations
+}
+
+void wxDC::CocoaUnapplyTransformations()
+{
+ // NOTE: You *must* call this with focus held.
+ // Undo all transforms so we're back in true Cocoa coords with
+ // no scaling or flipping.
+ NSAffineTransform *invertTransform;
+ invertTransform = [m_cocoaWxToBoundsTransform copy];
+ [invertTransform invert];
+ [invertTransform concat];
+ [invertTransform release];
+}
+
+bool wxDC::CocoaGetBounds(void *rectData)
+{
+ // We don't know what we are so we can't return anything.
+ return false;
}
void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
+ wxAutoNSAutoreleasePool pool;
+ if(!CocoaTakeFocus()) return;
NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(x,y,width,height)];
+ CocoaSetPenForNSBezierPath(m_pen,bezpath);
[bezpath stroke];
+ [m_brush.GetNSColor() set];
+ [bezpath fill];
}
void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
{
+ wxAutoNSAutoreleasePool pool;
+ if(!CocoaTakeFocus()) return;
NSBezierPath *bezpath = [NSBezierPath bezierPath];
[bezpath moveToPoint:NSMakePoint(x1,y1)];
[bezpath lineToPoint:NSMakePoint(x2,y2)];
+
+ CocoaSetPenForNSBezierPath(m_pen,bezpath);
[bezpath stroke];
}
-void wxDC::DoGetTextExtent(const wxString& text, wxCoord *x, wxCoord *y, wxCoord *descent, wxCoord *externalLeading, wxFont *theFont) const
+void wxDC::DoGetTextExtent(const wxString& text, wxCoord *x, wxCoord *y, wxCoord *descent, wxCoord *externalLeading, const wxFont *theFont) const
{
+ wxAutoNSAutoreleasePool pool;
// FIXME: Cache this so it can be used for DoDrawText
- wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, "Text system has not been initialized. BAD PROGRAMMER!");
+ wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, wxT("Text system has not been initialized. BAD PROGRAMMER!"));
NSAttributedString *attributedString = [[NSAttributedString alloc]
- initWithString:[NSString stringWithCString:text.c_str()]];
+ initWithString:wxNSStringWithWxString(text.c_str())];
[sm_cocoaNSTextStorage setAttributedString:attributedString];
[attributedString release];
NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer];
NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer];
if(x)
- *x=usedRect.size.width;
+ *x=(int)usedRect.size.width;
if(y)
- *y=usedRect.size.height;
+ *y=(int)usedRect.size.height;
if(descent)
*descent=0;
if(externalLeading)
void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
{
- wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, "Text system has not been initialized. BAD PROGRAMMER!");
+ wxAutoNSAutoreleasePool pool;
+ if(!CocoaTakeFocus()) return;
+ wxASSERT_MSG(sm_cocoaNSTextStorage && sm_cocoaNSLayoutManager && sm_cocoaNSTextContainer, wxT("Text system has not been initialized. BAD PROGRAMMER!"));
NSAttributedString *attributedString = [[NSAttributedString alloc]
- initWithString:[NSString stringWithCString:text.c_str()]];
+ initWithString:wxNSStringWithWxString(text.c_str())];
[sm_cocoaNSTextStorage setAttributedString:attributedString];
[attributedString release];
+ // Set the color (and later font) attributes
+ NSColor *fgColor = m_textForegroundColour.GetNSColor();
+ NSColor *bgColor = m_textBackgroundColour.GetNSColor();
+ if(!fgColor)
+ fgColor = [NSColor clearColor];
+ if(!bgColor)
+ bgColor = [NSColor clearColor];
+ NSDictionary *attrDict = [[NSDictionary alloc] initWithObjectsAndKeys:
+ fgColor, NSForegroundColorAttributeName,
+ bgColor, NSBackgroundColorAttributeName,
+ nil];
+ [sm_cocoaNSTextStorage addAttributes: attrDict range:NSMakeRange(0,[sm_cocoaNSTextStorage length])];
+ [attrDict release];
+
NSRange glyphRange = [sm_cocoaNSLayoutManager glyphRangeForTextContainer:sm_cocoaNSTextContainer];
NSRect usedRect = [sm_cocoaNSLayoutManager usedRectForTextContainer:sm_cocoaNSTextContainer];
-
+ // NOTE: We'll crash trying to get the location of glyphAtIndex:0 if
+ // there is no length or we don't start at zero
+ if(!glyphRange.length)
+ return;
+ wxASSERT_MSG(glyphRange.location==0,wxT("glyphRange must begin at zero"));
NSAffineTransform *transform = [NSAffineTransform transform];
[transform translateXBy:x yBy:y];
[context saveGraphicsState];
[transform concat];
[flipTransform concat];
+ #if 0
// Draw+fill a rectangle so we can see where the shit is supposed to be.
- wxLogDebug("(%f,%f) (%fx%f)",usedRect.origin.x,usedRect.origin.y,usedRect.size.width,usedRect.size.height);
+ wxLogTrace(wxTRACE_COCOA,wxT("(%f,%f) (%fx%f)"),usedRect.origin.x,usedRect.origin.y,usedRect.size.width,usedRect.size.height);
NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(0,0,usedRect.size.width,usedRect.size.height)];
[[NSColor blackColor] set];
[bezpath stroke];
[[NSColor blueColor] set];
[bezpath fill];
+ #endif
NSPoint layoutLocation = [sm_cocoaNSLayoutManager locationForGlyphAtIndex:0];
layoutLocation.x = 0.0;
layoutLocation.y *= -1.0;
+
+ // Save the location as is for underlining
+ NSPoint underlineLocation = layoutLocation;
+
+ // Offset the location by the baseline for drawing the glyphs.
layoutLocation.y += [[sm_cocoaNSLayoutManager typesetter] baselineOffsetInLayoutManager:sm_cocoaNSLayoutManager glyphIndex:0];
- // NOTE: That's NSMakePoint, not NSMakePint (working on that though)
+
+ if(m_backgroundMode==wxSOLID)
+ [sm_cocoaNSLayoutManager drawBackgroundForGlyphRange:glyphRange atPoint:NSZeroPoint];
[sm_cocoaNSLayoutManager drawGlyphsForGlyphRange:glyphRange atPoint:layoutLocation];
+ int underlineStyle = GetFont().GetUnderlined() ? NSUnderlineStyleSingle : NSUnderlineStyleNone;
+ NSRange lineGlyphRange;
+ NSRect lineRect = [sm_cocoaNSLayoutManager lineFragmentRectForGlyphAtIndex:0 effectiveRange:&lineGlyphRange];
+
+ [sm_cocoaNSLayoutManager underlineGlyphRange:glyphRange underlineType:underlineStyle
+ lineFragmentRect:lineRect lineFragmentGlyphRange:lineGlyphRange
+ containerOrigin:underlineLocation];
+
[context restoreGraphicsState];
}
// cut here, the rest is stubs
///////////////////////////////////////////////////////////////////////////
-//-----------------------------------------------------------------------------
-// constants
-//-----------------------------------------------------------------------------
-
-#define mm2inches 0.0393700787402
-#define inches2mm 25.4
-#define mm2twips 56.6929133859
-#define twips2mm 0.0176388888889
-#define mm2pt 2.83464566929
-#define pt2mm 0.352777777778
-
//-----------------------------------------------------------------------------
// wxDC
//-----------------------------------------------------------------------------
{
};
-void wxDC::DoDrawPoint( int x, int y )
-{
+void wxDC::DoDrawPoint( int x, int y )
+{
};
void wxDC::DoDrawPolygon( int, wxPoint *, int, int, int)
bool wxDC::CanDrawBitmap() const
{
- return false;
+ return true;
}
bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
void wxDC::DoDrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
{
}
-
+
+void wxDC::SetFont(const wxFont& font)
+{
+ m_font = font;
+}
+
void wxDC::SetPen(const wxPen& pen)
{
+ m_pen = pen;
}
void wxDC::SetBrush(const wxBrush& brush)
{
+ m_brush = brush;
}
void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
void wxDC::DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask)
{
+ wxAutoNSAutoreleasePool pool;
+ if(!CocoaTakeFocus()) return;
+ if(!bmp.Ok())
+ return;
+
+#if 0
+ // Draw a rect so we can see where it's supposed to be
+ wxLogTrace(wxTRACE_COCOA,wxT("image at (%d,%d) size %dx%d"),x,y,bmp.GetWidth(),bmp.GetHeight());
+ NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:NSMakeRect(x,y,bmp.GetWidth(),bmp.GetHeight())];
+ [[NSColor blackColor] set];
+ [bezpath stroke];
+ [[NSColor blueColor] set];
+ [bezpath fill];
+#endif // 0
+
+ NSAffineTransform *transform = [NSAffineTransform transform];
+ [transform translateXBy:x yBy:y];
+
+ NSAffineTransform *flipTransform = [NSAffineTransform transform];
+ /* x' = 1x + 0y + 0
+ y' = 0x + -1y + window's height
+ */
+ NSAffineTransformStruct matrix = {
+ 1, 0
+ , 0, -1
+ , 0, bmp.GetHeight()
+ };
+ [flipTransform setTransformStruct: matrix];
+
+ NSGraphicsContext *context = [NSGraphicsContext currentContext];
+ [context saveGraphicsState];
+ [transform concat];
+ [flipTransform concat];
+
+ NSImage *nsimage = [bmp.GetNSImage(useMask) retain];
+
+ [nsimage drawAtPoint: NSMakePoint(0,0)
+ fromRect: NSMakeRect(0.0,0.0,bmp.GetWidth(),bmp.GetHeight())
+ operation: NSCompositeSourceOver
+ fraction: 1.0];
+
+ [nsimage release];
+ [context restoreGraphicsState];
}
bool wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
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)
+{
+ if(!CocoaTakeFocus()) return false;
+ if(!source) return false;
+ return source->CocoaDoBlitOnFocusedDC(xdest,ydest,width,height,
+ xsrc, ysrc, rop, useMask, xsrcMask, ysrcMask);
+}
+
+bool wxDC::CocoaDoBlitOnFocusedDC(wxCoord xdest, wxCoord ydest,
+ wxCoord width, wxCoord height, wxCoord xsrc, wxCoord ysrc,
+ int logicalFunc, bool useMask, wxCoord xsrcMask, wxCoord ysrcMask)
{
return false;
}
void wxDC::Clear()
{
+ if(!CocoaTakeFocus()) return;
+
+ NSRect boundsRect;
+ if(!CocoaGetBounds(&boundsRect)) return;
+
+ NSGraphicsContext *context = [NSGraphicsContext currentContext];
+ [context saveGraphicsState];
+
+ // Undo all transforms so when we draw our bounds rect we
+ // really overwrite our bounds rect.
+ CocoaUnapplyTransformations();
+
+ [m_backgroundBrush.GetNSColor() set];
+ [NSBezierPath fillRect:boundsRect];
+
+ [context restoreGraphicsState];
}
-void wxDC::SetBackground(const wxBrush&)
+void wxDC::SetBackground(const wxBrush& brush)
{
+ m_backgroundBrush = brush;
}
void wxDC::SetPalette(const wxPalette&)
void wxDC::SetMapMode( int mode )
{
- switch (mode)
+ switch (mode)
{
case wxMM_TWIPS:
break;
m_scaleX = m_logicalScaleX * m_userScaleX;
m_scaleY = m_logicalScaleY * m_userScaleY;
- // CMB: if scale has changed call SetPen to recalulate the line width
+ // CMB: if scale has changed call SetPen to recalulate the line width
if (m_scaleX != origScaleX || m_scaleY != origScaleY)
{
// this is a bit artificial, but we need to force wxDC to think
// the pen has changed
- wxPen* pen = & GetPen();
+ const wxPen* pen = & GetPen();
wxPen tempPen;
m_pen = tempPen;
SetPen(* pen);
}
};
-
-int wxDCBase::DeviceToLogicalX(int x) const
-{
- return x;
-}
-
-int wxDCBase::DeviceToLogicalY(int y) const
-{
- return y;
-}
-
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