Added NSAffineTransform

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@3821 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,14 @@
+Mon Mar  1 20:06:00 1999  Richard Frith-Macdonald <richard@brainstorm.co.uk>
+
+	* Headers/AppKit/NSAffineTransform.h: New file based on PSMatrix.h
+	* Source/NSAffineTransform.m: New file based on PSMatrix.m
+	* Source/NSView.m: Modified to use NSAffineTransformAffineTransform
+	* Source/GNUmakefile: Added NSAffineTransform
+	* Source/NSCell.m: Don't include PSMatrix.h
+	* Source/NSScroller.m: Don't include PSMatrix.h
+	* Source/NSView.m: Use NSAffineTransform
+	* Source/NSWindow.m: Don't include PSMatrix.h
+
 Mon Mar  1 17:12:00 1999  Richard Frith-Macdonald <richard@brainstorm.co.uk>
 
 	* Headers/AppKit/NSCell.h: Added MacOS-X cell state constants.

Headers/gnustep/gui/NSAffineTransform.h

@@ -0,0 +1,106 @@
+/*
+   NSAffineTransform.h
+
+   Copyright (C) 1996 Free Software Foundation, Inc.
+
+   Author: Ovidiu Predescu <ovidiu@net-community.com>
+   Date: August 1997
+   Rewrite for macOS-X compatibility: Richard Frith-Macdonald, 1999
+   
+   This file is part of the GNUstep GUI Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef _GNUstep_H_NSAffineTransform
+#define _GNUstep_H_NSAffineTransform
+
+#include <Foundation/NSObject.h>
+#include <Foundation/NSGeometry.h>
+
+@class NSBezierPath;
+
+typedef	struct {
+  float	m11;
+  float	m12;
+  float	m21;
+  float	m22;
+  float	tx;
+  float	ty;
+} NSAffineTransformStruct;
+
+@interface NSAffineTransform : NSObject <NSCopying>
+{
+@public
+  NSAffineTransformStruct	matrix;
+  float rotationAngle;
+}
+
++ (NSAffineTransform*) transform;
+- (void) appendTransform: (NSAffineTransform*)aTransform;
+- (void) concat;
+- (id) initWithTransform: (NSAffineTransform*)aTransform;
+- (void) invert;
+- (void) prependTransform: (NSAffineTransform*)aTransform;
+- (void) rotateByDegrees: (float)angle;
+- (void) rotateByRadians: (float)angle;
+- (void) scaleBy: (float)scale;
+- (void) scaleXBy: (float)scaleX yBy: (float)scaleY;
+- (void) set;
+- (void) setTransformStruct: (NSAffineTransformStruct)val;
+- (NSBezierPath*) transformBezierPath: (NSBezierPath*)aPath;
+- (NSPoint) transformPoint: (NSPoint)aPoint;
+- (NSSize) transformSize: (NSSize)aSize;
+- (NSAffineTransformStruct) transformStruct;
+- (void) translateXBy: (float)tranX yBy: (float)tranY;
+
+#ifndef	NO_GNUSTEP
++ (NSAffineTransform*) matrixFrom: (const float[6])matrix;
+- (void) translateToPoint: (NSPoint)point;
+- (void) rotateByAngle: (float)angle;
+- (void) scaleBy: (float)sx : (float)sy;
+- (void) scaleTo: (float)sx : (float)sy;
+- (void) makeIdentityMatrix;
+- (float) rotationAngle;
+- (void) setFrameOrigin: (NSPoint)point;
+- (void) setFrameRotation: (float)angle;
+- (void) inverse;
+
+- (BOOL) isRotated;
+
+- (void) boundingRectFor: (NSRect)rect result: (NSRect*)result;
+
+/* Returns anotherMatrix * self */
+- (void) concatenateWith: (NSAffineTransform*)anotherMatrix;
+
+- (NSPoint) pointInMatrixSpace: (NSPoint)point;
+- (NSSize) sizeInMatrixSpace: (NSSize)size;
+- (NSRect) rectInMatrixSpace: (NSRect)rect;
+
+- (void) setMatrix: (const float[6])replace;
+- (void) getMatrix: (float[6])replace;
+
+/* Private definitions */
+#define A matrix.m11
+#define B matrix.m12
+#define C matrix.m21
+#define D matrix.m22
+#define TX matrix.tx
+#define TY matrix.ty
+
+#endif
+@end
+
+#endif /* _GNUstep_H_NSAffineTransform */

Headers/gnustep/gui/NSView.h

@@ -351,7 +351,7 @@ enum {
 @end
 
 
-@class PSMatrix;
+@class NSAffineTransform;
 
 //
 // GNUstep extensions
@@ -375,8 +375,8 @@ enum {
 - (void) _invalidateCoordinates;
 - (void) _rebuildCoordinates;
 
-- (PSMatrix*)_matrixToWindow;
-- (PSMatrix*)_matrixFromWindow;
+- (NSAffineTransform*)_matrixToWindow;
+- (NSAffineTransform*)_matrixFromWindow;
 @end
 #endif
 

Source/GNUmakefile

@@ -38,6 +38,7 @@ LIBRARY_NAME=libgnustep-gui
 # The Objective-C source files to be compiled
 libgnustep-gui_OBJC_FILES = Functions.m \
 NSActionCell.m \
+NSAffineTransform.m \
 NSApplication.m \
 NSBitmapImageRep.m \
 NSBox.m \
@@ -121,6 +122,7 @@ libgnustep-gui_HEADER_FILES_INSTALL_DIR = /gnustep/gui
 libgnustep-gui_HEADER_FILES = \
 AppKit/AppKit.h \
 AppKit/NSActionCell.h \
+AppKit/NSAffineTransform.h \
 AppKit/NSApplication.h \
 AppKit/NSBitmapImageRep.h \
 AppKit/NSBox.h \

Source/NSAffineTransform.m

@@ -0,0 +1,539 @@
+/*
+   NSAffineTransform.m
+
+   Copyright (C) 1996,1999 Free Software Foundation, Inc.
+
+   Author: Ovidiu Predescu <ovidiu@net-community.com>
+   Date: August 1997
+   Author: Richard Frith-Macdonald <richard@brainstorm.co.uk>
+   Date: Mark 1999
+   
+   This file is part of the GNUstep GUI Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <gnustep/gui/config.h>
+#include <math.h>
+
+#include <Foundation/NSArray.h>
+#include <Foundation/NSString.h>
+
+#include <AppKit/config.h>
+#include <AppKit/NSAffineTransform.h>
+#include <AppKit/PSOperators.h>
+
+/* A Postscript matrix look like this:
+
+  /  a  b  0 \
+  |  c  d  0 |
+  \ tx ty  1 /
+
+ */
+
+static const float pi = 3.1415926535897932384626433;
+
+@implementation NSAffineTransform
+
+static NSAffineTransformStruct identityTransform = {
+   1.0, 0.0, 0.0, 1.0, 0.0, 0.0
+};
+
++ (NSAffineTransform*) transform
+{
+  NSAffineTransform	*t;
+
+  t = (NSAffineTransform*)NSAllocateObject(self, 0, NSDefaultMallocZone());
+  t->matrix = identityTransform;
+  t->rotationAngle = 0.0;
+  return [t autorelease];
+}
+
++ (id) new
+{
+  NSAffineTransform	*t;
+
+  t = (NSAffineTransform*)NSAllocateObject(self, 0, NSDefaultMallocZone());
+  t->matrix = identityTransform;
+  t->rotationAngle = 0.0;
+  return t;
+}
+
+- (void) appendTransform: (NSAffineTransform*)other
+{
+  float newA, newB, newC, newD, newTX, newTY;
+
+  newA = other->A * A + other->B * C;
+  newB = other->A * B + other->B * D;
+  newC = other->C * A + other->D * C;
+  newD = other->C * B + other->D * D;
+  newTX = other->TX * A + other->TY * C + TX;
+  newTY = other->TX * B + other->TY * D + TY;
+
+  A = newA; B = newB;
+  C = newC; D = newD;
+  TX = newTX; TY = newTY;
+
+  if (rotationAngle >= 0 && other->rotationAngle >= 0)
+    {
+      rotationAngle += other->rotationAngle;
+      if (rotationAngle < 0)
+	rotationAngle -= ((int)(rotationAngle/360)-1)*360;
+      else if (rotationAngle >= 360)
+	rotationAngle -= ((int)(rotationAngle/360))*360;
+    }
+  else
+    rotationAngle = -1;
+}
+
+- (void) concat
+{
+//  PSconcat(self);
+[self subclassResponsibility: _cmd];
+}
+
+- (id) init
+{
+  matrix = identityTransform;
+  rotationAngle = 0.0;
+  return self;
+}
+
+- (id) initWithTransform: (NSAffineTransform*)aTransform
+{
+  matrix = aTransform->matrix;
+  rotationAngle = aTransform->rotationAngle;
+  return self;
+}
+
+- (void) invert
+{
+  float newA, newB, newC, newD, newTX, newTY;
+  float det;
+
+  det = A * D - B * C;
+  if (!det)
+    {
+      NSLog (@"error: determinant of matrix is 0!");
+      return;
+    }
+
+  newA = D / det;
+  newB = -B / det;
+  newC = -C / det;
+  newD = A / det;
+  newTX = (-D * TX + C * TY) / det;
+  newTY = (B * TX - A * TY) / det;
+
+  NSDebugLog (@"inverse of matrix ((%f, %f) (%f, %f) (%f, %f))\n"
+	@"is ((%f, %f) (%f, %f) (%f, %f))",
+	A, B, C, D, TX, TY,
+	newA, newB, newC, newD, newTX, newTY);
+
+  A = newA; B = newB;
+  C = newC; D = newD;
+  TX = newTX; TY = newTY;
+}
+
+- (void) prependTransform: (NSAffineTransform*)other
+{
+  float newA, newB, newC, newD, newTX, newTY;
+
+  newA = A * other->A + B * other->C;
+  newB = A * other->B + B * other->D;
+  newC = C * other->A + D * other->C;
+  newD = C * other->B + D * other->D;
+  newTX = TX * other->A + TY * other->C + other->TX;
+  newTY = TX * other->B + TY * other->D + other->TY;
+
+  A = newA; B = newB;
+  C = newC; D = newD;
+  TX = newTX; TY = newTY;
+
+  if (rotationAngle >= 0 && other->rotationAngle >= 0)
+    {
+      rotationAngle += other->rotationAngle;
+      if (rotationAngle < 0)
+	rotationAngle -= ((int)(rotationAngle/360)-1)*360;
+      else if (rotationAngle >= 360)
+	rotationAngle -= ((int)(rotationAngle/360))*360;
+    }
+  else
+    rotationAngle = -1;
+}
+
+- (void) rotateByDegrees: (float)angle
+{
+  float newA, newB, newC, newD;
+  float angleRad = pi * angle / 180;
+  float sine = sin (angleRad);
+  float cosine = cos (angleRad);
+
+  newA = A * cosine + C * sine;   newB = B * cosine + D * sine;
+  newC = -A * sine + C * cosine;  newD = -B * sine + D * cosine;
+
+  A = newA; B = newB;
+  C = newC; D = newD;
+
+  if (rotationAngle >= 0)
+    {
+      rotationAngle += angle;
+      if (rotationAngle < 0)
+	rotationAngle -= ((int)(rotationAngle/360)-1)*360;
+      else if (rotationAngle >= 360)
+	rotationAngle -= ((int)(rotationAngle/360))*360;
+    }
+  else
+    rotationAngle = -1;
+}
+
+- (void) rotateByRadians: (float)angleRad
+{
+  float newA, newB, newC, newD;
+  float angle = angleRad * 180 / pi;
+  float sine = sin (angleRad);
+  float cosine = cos (angleRad);
+
+  newA = A * cosine + C * sine;   newB = B * cosine + D * sine;
+  newC = -A * sine + C * cosine;  newD = -B * sine + D * cosine;
+
+  A = newA; B = newB;
+  C = newC; D = newD;
+
+  if (rotationAngle >= 0)
+    {
+      rotationAngle += angle;
+      if (rotationAngle < 0)
+	rotationAngle -= ((int)(rotationAngle/360)-1)*360;
+      else if (rotationAngle >= 360)
+	rotationAngle -= ((int)(rotationAngle/360))*360;
+    }
+  else
+    rotationAngle = -1;
+}
+
+- (void) scaleBy: (float)scale
+{
+  A *= scale; B *= scale;
+  C *= scale; D *= scale;
+}
+
+- (void) scaleXBy: (float)scaleX yBy: (float)scaleY
+{
+  A *= scaleX; B *= scaleX;
+  C *= scaleY; D *= scaleY;
+}
+
+- (void) set
+{
+//  PSsetmatrix(self);
+[self subclassResponsibility: _cmd];
+}
+
+- (void) setTransformStruct: (NSAffineTransformStruct)val
+{
+  matrix = val;
+  rotationAngle = -1;	// Needs recalculating
+}
+
+- (NSBezierPath*) transformBezierPath: (NSBezierPath*)aPath
+{
+  [self notImplemented: _cmd];
+  return nil;
+}
+
+- (NSPoint) transformPoint: (NSPoint)point
+{
+  NSPoint new;
+
+  new.x = A * point.x + C * point.y + TX;
+  new.y = B * point.x + D * point.y + TY;
+
+  return new;
+}
+
+- (NSSize) transformSize: (NSSize)size
+{
+  NSSize new;
+
+  new.width = A * size.width + C * size.height;
+  if (new.width < 0)
+    new.width = - new.width;
+  new.height = B * size.width + D * size.height;
+  if (new.height < 0)
+    new.height = - new.height;
+
+  return new;
+}
+
+- (NSAffineTransformStruct) transformStruct
+{
+  return matrix;
+}
+
+- (void) translateXBy: (float)tranX yBy: (float)tranY
+{
+  TX += tranX;
+  TY += tranY;
+}
+
+
++ matrixFrom: (const float[6])_matrix
+{
+  NSAffineTransform	*m = [[self alloc] autorelease];
+
+  [m setMatrix: _matrix];
+
+  return m;
+}
+
+- (id) copyWithZone: (NSZone*)zone
+{
+  NSAffineTransform *new;
+
+  new = (NSAffineTransform*)NSAllocateObject(isa, 0, zone);
+  new->matrix = matrix;
+  new->rotationAngle = rotationAngle;
+  return new;
+}
+
+- (BOOL) isEqual: (id)anObject
+{
+  if ([anObject class] == isa)
+    {
+      NSAffineTransform	*o = anObject;
+
+      if (A == o->A && B == o->B && C == o->C
+	&& D == o->D && TX == o->TX && TY == o->TY)
+	return YES;
+    }
+  return NO;
+}
+
+- (void) scaleBy: (float)sx :(float)sy
+{
+  A *= sx; B *= sx;
+  C *= sy; D *= sy;
+}
+
+- (void) scaleTo: (float)sx : (float)sy
+{
+  float angle = rotationAngle < 0 ? [self rotationAngle] : rotationAngle;
+
+  A = sx; B = 0;
+  C = 0; D = sy;
+  if (rotationAngle)
+    {
+      [self rotateByDegrees: angle];
+      rotationAngle = angle;
+    }
+}
+
+- (void) translateToPoint: (NSPoint)point
+{
+  float newTX, newTY;
+
+  newTX = point.x * A + point.y * C + TX;
+  newTY = point.x * B + point.y * D + TY;
+  TX = newTX;
+  TY = newTY;
+}
+
+- (void) rotateByAngle: (float)angle
+{
+  [self rotateByDegrees: angle];
+}
+
+- (void) makeIdentityMatrix
+{
+  matrix = identityTransform;
+  rotationAngle = 0;
+}
+
+- (void) setFrameOrigin: (NSPoint)point
+{
+  float dx = point.x - TX;
+  float dy = point.y - TY;
+  [self translateToPoint: NSMakePoint(dx, dy)];
+}
+
+- (void) setFrameRotation: (float)angle
+{
+  float newAngle;
+
+  if (rotationAngle < 0)
+    [self rotationAngle];
+  newAngle = angle - rotationAngle;
+  [self rotateByAngle: newAngle];
+}
+
+- (float) rotationAngle
+{
+  if (rotationAngle < 0)
+    {
+      rotationAngle = atan2(matrix.m21, matrix.m11);
+      rotationAngle *= 180.0 / M_PI;
+    }
+  return rotationAngle;
+}
+
+- (void) concatenateWith: (NSAffineTransform*)other
+{
+  [self appendTransform: other];
+}
+
+- (void)inverse
+{
+  [self invert];
+}
+
+- (BOOL) isRotated
+{
+  if (rotationAngle == 0)
+    return NO;
+  if (rotationAngle < 0 && [self rotationAngle] == 0)
+    return NO;
+  return YES;
+}
+
+- (void) boundingRectFor: (NSRect)rect result: (NSRect*)new
+{
+  float angle = (rotationAngle < 0) ? [self rotationAngle] : rotationAngle;
+  float angleRad = pi * angle / 180;
+  float angle90Rad = pi * (angle + 90) / 180;
+  float cosWidth, cosHeight, sinWidth, sinHeight;
+  /* Shortcuts of the usual rect values */
+  float x = rect.origin.x;
+  float y = rect.origin.y;
+  float width = rect.size.width;
+  float height = rect.size.height;
+
+  if (rotationAngle == 0)
+    {
+      *new = NSZeroRect;
+      return;
+    }
+
+  cosWidth = cos(angleRad);
+  cosHeight = cos(angle90Rad);
+  sinWidth = sin(angleRad);
+  sinHeight = sin(angle90Rad);
+
+  if (angle <= 90)
+    {
+      new->origin.x = x + height * cosHeight;
+      new->origin.y = y;
+      new->size.width = width * cosWidth - height * cosHeight;
+      new->size.height = width * sinWidth + height * sinHeight;
+    }
+  else if (angle <= 180)
+    {
+      new->origin.x = x + width * cosWidth + height * cosHeight;
+      new->origin.y = y + height * sinHeight;
+      new->size.width = -width * cosWidth - height * cosHeight;
+      new->size.height = width * sinWidth - height * sinHeight;
+    }
+  else if (angle <= 270)
+    {
+      new->origin.x = x + width * cosWidth;
+      new->origin.y = y + width * sinWidth + height * sinHeight;
+      new->size.width = -width * cosWidth + height * cosHeight;
+      new->size.height = -width * sinWidth - height * sinHeight;
+    }
+  else
+    {
+      new->origin.x = x;
+      new->origin.y = y;
+      new->size.width = width * cosWidth + height * cosHeight;
+      new->size.height = width * sinWidth + height * sinHeight;
+    }
+}
+
+- (NSPoint) pointInMatrixSpace: (NSPoint)point
+{
+  NSPoint new;
+
+  new.x = A * point.x + C * point.y + TX;
+  new.y = B * point.x + D * point.y + TY;
+
+  return new;
+}
+
+- (NSSize) sizeInMatrixSpace: (NSSize)size
+{
+  NSSize new;
+
+  new.width = A * size.width + C * size.height;
+  if (new.width < 0)
+    new.width = - new.width;
+  new.height = B * size.width + D * size.height;
+  if (new.height < 0)
+    new.height = - new.height;
+
+  return new;
+}
+
+- (NSRect) rectInMatrixSpace: (NSRect)rect
+{
+  NSRect new;
+
+  new.origin.x = A * rect.origin.x + C * rect.origin.y + TX;
+  new.size.width = A * rect.size.width + C * rect.size.height;
+  if (new.size.width < 0)
+    {
+      new.origin.x += new.size.width;
+      new.size.width *= -1;
+    }
+
+  new.origin.y = B * rect.origin.x + D * rect.origin.y + TY;
+  new.size.height = B * rect.size.width + D * rect.size.height;
+  if (new.size.height < 0)
+    {
+      new.origin.y += new.size.height;
+      new.size.height *= -1;
+    }
+
+  return new;
+}
+
+- (NSString*) description
+{
+  return [NSString stringWithFormat:
+		@"NSAffineTransform ((%f, %f) (%f, %f) (%f, %f))",
+				    A, B, C, D, TX, TY];
+}
+
+- (void) setMatrix: (const float[6])replace
+{
+  matrix.m11 = replace[0];
+  matrix.m12 = replace[1];
+  matrix.m21 = replace[2];
+  matrix.m22 = replace[3];
+  matrix.tx = replace[4];
+  matrix.ty = replace[5];
+}
+
+- (void) getMatrix: (float[6])replace
+{
+  replace[0] = matrix.m11;
+  replace[1] = matrix.m12;
+  replace[2] = matrix.m21;
+  replace[3] = matrix.m22;
+  replace[4] = matrix.tx;
+  replace[5] = matrix.ty;
+}
+
+@end /* NSAffineTransform */
+

Source/NSCell.m

@@ -43,7 +43,6 @@
 #include <AppKit/NSEvent.h>
 #include <AppKit/NSGraphics.h>
 #include <AppKit/NSColor.h>
-#include <AppKit/PSMatrix.h>
 #include <AppKit/PSOperators.h>
 
 

Source/NSScroller.m

@@ -38,7 +38,6 @@
 #include <AppKit/NSButtonCell.h>
 #include <AppKit/NSApplication.h>
 #include <AppKit/NSImage.h>
-#include <AppKit/PSMatrix.h>
 #include <AppKit/NSColor.h>
 #include <AppKit/NSGraphics.h>
 

Source/NSView.m

@@ -47,7 +47,7 @@
 #include <AppKit/NSView.h>
 #include <AppKit/NSWindow.h>
 #include <AppKit/GSTrackingRect.h>
-#include <AppKit/PSMatrix.h>
+#include <AppKit/NSAffineTransform.h>
 
 
 @implementation NSView
@@ -56,9 +56,9 @@
 //  Class variables
 //
 static NSString	*viewThreadKey = @"NSViewThreadKey";
-static PSMatrix	*flip = nil;
+static NSAffineTransform	*flip = nil;
 
-static void	(*concatImp)(PSMatrix*, SEL, PSMatrix*) = 0;
+static void	(*concatImp)(NSAffineTransform*, SEL, NSAffineTransform*) = 0;
 static SEL	concatSel = @selector(concatenateWith:);
 
 static void	(*invalidateImp)(NSView*, SEL) = 0;
@@ -71,16 +71,17 @@ static SEL	invalidateSel = @selector(_invalidateCoordinates);
 {
   if (self == [NSView class])
     {
-      Class	matrixClass = [PSMatrix class];
-      float	vals[6] = { 1, 0, 0, -1, 0, 1 };
+      Class	matrixClass = [NSAffineTransform class];
+      NSAffineTransformStruct	ats = { 1, 0, 0, -1, 0, 1 };
 
-      concatImp = (void (*)(PSMatrix*, SEL, PSMatrix*))
+      concatImp = (void (*)(NSAffineTransform*, SEL, NSAffineTransform*))
 		[matrixClass instanceMethodForSelector: concatSel];
 
       invalidateImp = (void (*)(NSView*, SEL))
 		[self instanceMethodForSelector: invalidateSel];
 
-      flip = [[matrixClass matrixFrom: vals] retain];
+      flip = [matrixClass new];
+      [flip setTransformStruct: ats];
 
       NSDebugLog(@"Initialize NSView class\n");
       [self setVersion: 1];
@@ -174,10 +175,10 @@ static SEL	invalidateSel = @selector(_invalidateCoordinates);
   bounds.origin = NSZeroPoint;		// Set bounds rectangle
   bounds.size = frame.size;
 
-  frameMatrix = [PSMatrix new];		// Map fromsuperview to frame
-  boundsMatrix = [PSMatrix new];	// Map fromsuperview to bounds
-  matrixToWindow = [PSMatrix new];	// Map to window coordinates
-  matrixFromWindow = [PSMatrix new];	// Map from window coordinates
+  frameMatrix = [NSAffineTransform new];	// Map fromsuperview to frame
+  boundsMatrix = [NSAffineTransform new];	// Map fromsuperview to bounds
+  matrixToWindow = [NSAffineTransform new];	// Map to window coordinates
+  matrixFromWindow = [NSAffineTransform new];	// Map from window coordinates
   [frameMatrix setFrameOrigin: frame.origin];
 
   sub_views = [NSMutableArray new];
@@ -630,7 +631,7 @@ static SEL	invalidateSel = @selector(_invalidateCoordinates);
 - (NSPoint) convertPoint: (NSPoint)aPoint fromView: (NSView*)aView
 {
   NSPoint	new;
-  PSMatrix	*matrix;
+  NSAffineTransform	*matrix;
 
   if (!aView)
     aView = [window contentView];
@@ -653,7 +654,7 @@ static SEL	invalidateSel = @selector(_invalidateCoordinates);
 - (NSPoint) convertPoint: (NSPoint)aPoint toView: (NSView*)aView
 {
   NSPoint	new;
-  PSMatrix	*matrix;
+  NSAffineTransform	*matrix;
 
   if (!aView)
     aView = [window contentView];
@@ -675,7 +676,7 @@ static SEL	invalidateSel = @selector(_invalidateCoordinates);
 
 - (NSRect) convertRect: (NSRect)aRect fromView: (NSView*)aView
 {
-  PSMatrix	*matrix;
+  NSAffineTransform	*matrix;
   NSRect	r;
 
   if (!aView)
@@ -703,7 +704,7 @@ static SEL	invalidateSel = @selector(_invalidateCoordinates);
 
 - (NSRect) convertRect: (NSRect)aRect toView: (NSView*)aView
 {
-  PSMatrix	*matrix;
+  NSAffineTransform	*matrix;
   NSRect	r;
 
   if (!aView)
@@ -732,7 +733,7 @@ static SEL	invalidateSel = @selector(_invalidateCoordinates);
 - (NSSize) convertSize: (NSSize)aSize fromView: (NSView*)aView
 {
   NSSize	new;
-  PSMatrix	*matrix;
+  NSAffineTransform	*matrix;
 
   if (!aView)
     aView = [window contentView];
@@ -755,7 +756,7 @@ static SEL	invalidateSel = @selector(_invalidateCoordinates);
 - (NSSize) convertSize: (NSSize)aSize toView: (NSView*)aView
 {
   NSSize	new;
-  PSMatrix	*matrix;
+  NSAffineTransform	*matrix;
 
   if (!aView)
     aView = [window contentView];
@@ -1826,7 +1827,7 @@ static SEL	invalidateSel = @selector(_invalidateCoordinates);
  *	visible rectangle cache if necessary.
  *	All coordinate transformations use this matrix.
  */
-- (PSMatrix*) _matrixFromWindow
+- (NSAffineTransform*) _matrixFromWindow
 {
   if (coordinates_valid == NO)
     [self _rebuildCoordinates];
@@ -1840,7 +1841,7 @@ static SEL	invalidateSel = @selector(_invalidateCoordinates);
  *	visible rectangle cache if necessary.
  *	All coordinate transformations use this matrix.
  */
-- (PSMatrix*) _matrixToWindow
+- (NSAffineTransform*) _matrixToWindow
 {
   if (coordinates_valid == NO)
     [self _rebuildCoordinates];
@@ -1874,14 +1875,14 @@ static SEL	invalidateSel = @selector(_invalidateCoordinates);
 	  NSRect	superviewsVisibleRect;
 	  BOOL		wasFlipped = [super_view isFlipped];
 	  float		vals[6];
-	  PSMatrix	*pMatrix = [super_view _matrixToWindow];
+	  NSAffineTransform	*pMatrix = [super_view _matrixToWindow];
 
 	  [pMatrix getMatrix: vals];
 	  [matrixToWindow setMatrix: vals];
 	  (*concatImp)(matrixToWindow, concatSel, frameMatrix);
 	  if ([self isFlipped] != wasFlipped)
 	    {
-	      flip->matrix[5] = bounds.size.height;
+	      flip->matrix.ty = bounds.size.height;
 	      (*concatImp)(matrixToWindow, concatSel, flip);
 	    }
 	  (*concatImp)(matrixToWindow, concatSel, boundsMatrix);

Source/NSWindow.m

@@ -48,7 +48,6 @@
 #include <AppKit/NSSliderCell.h>
 #include <AppKit/NSScreen.h>
 #include <AppKit/NSCursor.h>
-#include <AppKit/PSMatrix.h>