gnustep/libs-gui
0
0
Fork 0
mirror of https://github.com/gnustep/libs-gui.git synced 2025-05-30 07:00:37 +00:00
Code Issues Projects Releases Packages Wiki Activity

NSSlider implemented. Optimizations in displaying and flushing mechanism. A bunch of memory allocation problems fixed.

Browse source 
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@2494 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Ovidiu Predescu 1997-10-09 22:55:31 +00:00
parent aee90a695e
commit 9837b14866
59 changed files with 1577 additions and 5103 deletions
Download patch file Download diff file Expand all files Collapse all files

66
Source/PSMatrix.m
View file

@ -183,6 +183,60 @@ static const float pi = 3.1415926535897932384626433;
TX = newTX; TY = newTY;
}
- (BOOL)isRotated
{
return rotationAngle != 0;
}
- (void)boundingRectFor:(NSRect)rect result:(NSRect*)new
{
float angle = rotationAngle
- ((int)(rotationAngle / 360)) * 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;
@ -203,6 +257,18 @@ static const float pi = 3.1415926535897932384626433;
return new;
}
- (NSRect)rectInMatrixSpace:(NSRect)rect
{
NSRect new;
new.origin.x = A * rect.origin.x + C * rect.origin.y + TX;
new.origin.y = B * rect.origin.x + D * rect.origin.y + TY;
new.size.width = A * rect.size.width + C * rect.size.height + TX;
new.size.height = B * rect.size.width + D * rect.size.height + TY;
return new;
}
- (NSString*)description
{
return [NSString stringWithFormat:@"PSMatrix ((%f, %f) (%f, %f) (%f, %f))",