// Created: 2003/04/01
// RCS-ID: $Id$
// Copyright: (c) 2003 David Elliott
-// Licence: wxWindows license
+// Licence: wxWidgets licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/wxprec.h"
#import <AppKit/NSTypesetter.h>
#import <AppKit/NSImage.h>
-#include <wx/listimpl.cpp>
+#include "wx/math.h" //math constants
+#include "wx/listimpl.cpp"
WX_DEFINE_LIST(wxCocoaDCStack);
IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
wxDC::wxDC(void)
{
- m_cocoaFlipped = false;
- m_cocoaHeight = 0.0;
+ m_cocoaWxToBoundsTransform = nil;
m_pen = *wxBLACK_PEN;
}
wxDC::~wxDC(void)
{
+ [m_cocoaWxToBoundsTransform release];
}
bool wxDC::CocoaLockFocus()
return false;
}
-void wxDC::CocoaApplyTransformations()
+/*static*/ WX_NSAffineTransform wxDC::CocoaGetWxToBoundsTransform(bool isFlipped, float height)
{
+ NSAffineTransform *transform = nil;
// This transform flips the graphics since wxDC uses top-left origin
- if(!m_cocoaFlipped)
+ if(!isFlipped)
{
// The transform is auto released
- NSAffineTransform *transform = [NSAffineTransform transform];
+ transform = [NSAffineTransform transform];
/* x' = 1x + 0y + 0
y' = 0x + -1y + window's height
*/
NSAffineTransformStruct matrix = {
1, 0
, 0, -1
- , 0, m_cocoaHeight
+ , 0, height
};
[transform setTransformStruct: matrix];
- // Apply the transform
- [transform concat];
}
- // TODO: Apply scaling transformation
+ 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);
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)];
void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
{
+ 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]
// 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::DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask)
{
+ wxAutoNSAutoreleasePool pool;
if(!CocoaTakeFocus()) return;
if(!bmp.Ok())
return;
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& brush)
{
// 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);