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/* MiscCylinderShape.m
Copyright 1996 Uwe Hoffmann.
This notice may not be removed from this source code.
The use and distribution of this software is governed by the
terms of the MiscKit license agreement. Refer to the license
document included with the MiscKit distribution for the terms.
Version 2 (August 1996)
*/
#import <Foundation/Foundation.h>
#import <AppKit/dpsOpenStep.h>
#import <AppKit/psops.h>
#import "MiscCylinderShape.h"
#import "MiscUserPath.h"
#import "MiscHitPath.h"
#import "MiscTDUtils.h"
@implementation MiscCylinderShape
- (void)drawOutline
{
int linejoin;
PScurrentlinejoin(&linejoin);
PSsetlinejoin(1);
[super drawOutline];
PSsetlinejoin(linejoin);
}
- (NSRect)innerBounds
{
NSRect ir,b;
b = [path1 bounds];
ir.origin.x = b.origin.x;
ir.origin.y = b.origin.y + b.size.height * 2 / 10;
ir.size.width = b.size.width;
ir.size.height = b.size.height * 6 / 10;
return ir;
}
- (MiscShapeType)shapeType
{
return MiscCylinderShapeType;
}
- (void)calcIntersection:(NSPoint *)ip angle:(float *)alpha toPoint:(NSPoint)aPoint
{
NSPoint middle,l1,l2,pos;
float s,width,height,*bbox,x0,y0,a,b;
bbox = [path1 bbox];
pos.x = bbox[0];
pos.y = bbox[1];
width = bbox[2] - bbox[0];
height = bbox[3] - bbox[1];
middle.x = pos.x + width / 2;
middle.y = pos.y + height / 2;
if(aPoint.y == middle.y){
ip->y = middle.y;
if(aPoint.x > middle.x){
*alpha = 0;
ip->x = pos.x + width;
} else {
*alpha = 180;
ip->x = pos.x;
}
return;
}
if(aPoint.x == middle.x){
ip->x = middle.x;
if(aPoint.y > middle.y){
ip->y = pos.y + height;
*alpha = 90;
} else {
ip->y = pos.y;
*alpha = -90;
}
return;
}
s = (aPoint.y - middle.y) / (aPoint.x - middle.x);
*alpha = 57.29577951 * atan(s);
if(aPoint.y > middle.y){
if(aPoint.x > middle.x){ // I. quadrant
l1.x = pos.x + width;
l1.y = pos.y + height / 2;
l2.y = pos.y + height * 8 / 10;
l2.x = pos.x + width;
if(miscTD_straddles(l1, l2, middle, aPoint)){
ip->x = l2.x;
ip->y = middle.y + s * (ip->x - middle.x);
} else {
x0 = middle.x;
y0 = middle.y;
a = width * 0.5455447256;
b = height / 2;
ip->x = a*b/sqrt(pow(b,2) + pow(a,2)*pow(s,2)) + x0;
ip->y = (2*a*b*s/sqrt(pow(b,2) + pow(a,2)*pow(s,2)) + 2*y0)/2;
if(ip->y < y0){
ip->x = -(a*b/sqrt(pow(b,2) + pow(a,2)*pow(s,2))) + x0;
ip->y = (-2*a*b*s/sqrt(pow(b,2) + pow(a,2)*pow(s,2)) + 2*y0)/2;
}
}
} else { // II. quadrant
l1.x = pos.x;
l1.y = pos.y + height / 2;
l2.y = pos.y + height * 8 / 10;
l2.x = pos.x;
if(miscTD_straddles(l1, l2, middle, aPoint)){
ip->x = l2.x;
ip->y = middle.y + s * (ip->x - middle.x);
} else {
x0 = middle.x;
y0 = middle.y;
a = width * 0.5455447256;
b = height / 2;
ip->x = a*b/sqrt(pow(b,2) + pow(a,2)*pow(s,2)) + x0;
ip->y = (2*a*b*s/sqrt(pow(b,2) + pow(a,2)*pow(s,2)) + 2*y0)/2;
if(ip->y < y0){
ip->x = -(a*b/sqrt(pow(b,2) + pow(a,2)*pow(s,2))) + x0;
ip->y = (-2*a*b*s/sqrt(pow(b,2) + pow(a,2)*pow(s,2)) + 2*y0)/2;
}
}
*alpha += 180;
}
} else {
if(aPoint.x > middle.x){ // IV. quadrant
l1.x = pos.x + width;
l1.y = pos.y + height / 2;
l2.y = pos.y + height * 2 / 10;
l2.x = pos.x + width;
if(miscTD_straddles(l1, l2, middle, aPoint)){
ip->x = l2.x;
ip->y = middle.y + s * (ip->x - middle.x);
} else {
x0 = middle.x;
y0 = middle.y;
a = width * 0.5455447256;
b = height / 2;
ip->x = a*b/sqrt(pow(b,2) + pow(a,2)*pow(s,2)) + x0;
ip->y = (2*a*b*s/sqrt(pow(b,2) + pow(a,2)*pow(s,2)) + 2*y0)/2;
if(ip->y > y0){
ip->x = -(a*b/sqrt(pow(b,2) + pow(a,2)*pow(s,2))) + x0;
ip->y = (-2*a*b*s/sqrt(pow(b,2) + pow(a,2)*pow(s,2)) + 2*y0)/2;
}
}
} else { // III. quadrant
l1.x = pos.x;
l1.y = pos.y + height / 2;
l2.y = pos.y + height * 2 / 10;
l2.x = pos.x;
if(miscTD_straddles(l1, l2, middle, aPoint)){
ip->x = l2.x;
ip->y = middle.y + s * (ip->x - middle.x);
} else {
x0 = middle.x;
y0 = middle.y;
a = width * 0.5455447256;
b = height / 2;
ip->x = a*b/sqrt(pow(b,2) + pow(a,2)*pow(s,2)) + x0;
ip->y = (2*a*b*s/sqrt(pow(b,2) + pow(a,2)*pow(s,2)) + 2*y0)/2;
if(ip->y > y0){
ip->x = -(a*b/sqrt(pow(b,2) + pow(a,2)*pow(s,2))) + x0;
ip->y = (-2*a*b*s/sqrt(pow(b,2) + pow(a,2)*pow(s,2)) + 2*y0)/2;
}
}
*alpha += 180;
}
}
}
- (void)makePathWithBounds:(NSRect)aRect
{
[path1 moveto:aRect.origin.x :aRect.origin.y + aRect.size.height * 2 / 10];
[path1 curveto:aRect.origin.x :aRect.origin.y
:aRect.origin.x + aRect.size.width :aRect.origin.y
:aRect.origin.x + aRect.size.width :aRect.origin.y + aRect.size.height * 2 / 10];
[path1 rlineto:0.0 :aRect.size.height * 6 / 10];
[path1 curveto:aRect.origin.x + aRect.size.width :aRect.origin.y + aRect.size.height
:aRect.origin.x :aRect.origin.y + aRect.size.height
:aRect.origin.x :aRect.origin.y + aRect.size.height * 8 / 10];
[path1 closepath];
[path2 moveto:aRect.origin.x :aRect.origin.y + aRect.size.height * 2 / 10];
[path2 curveto:aRect.origin.x :aRect.origin.y
:aRect.origin.x + aRect.size.width :aRect.origin.y
:aRect.origin.x + aRect.size.width :aRect.origin.y + aRect.size.height * 2 / 10];
[path2 curveto:aRect.origin.x + aRect.size.width :aRect.origin.y + aRect.size.height * 4 / 10
:aRect.origin.x :aRect.origin.y + aRect.size.height * 4 / 10
:aRect.origin.x :aRect.origin.y + aRect.size.height * 2 / 10];
[path2 rlineto:0.0 :aRect.size.height * 6 / 10];
[path2 curveto:aRect.origin.x :aRect.origin.y + aRect.size.height
:aRect.origin.x + aRect.size.width :aRect.origin.y + aRect.size.height
:aRect.origin.x + aRect.size.width :aRect.origin.y + aRect.size.height * 8 / 10];
[path2 rlineto:0.0 :-aRect.size.height * 6 / 10];
[path2 moveto:aRect.origin.x :aRect.origin.y + aRect.size.height * 2 / 10];
[path2 closepath];
}
- (void)fillParamsWithBounds:(NSRect)aRect
{
float *params, *bbox;
params = [path1 params];
bbox = [path1 bbox];
bbox[0] = aRect.origin.x;
bbox[1] = aRect.origin.y;
bbox[2] = aRect.origin.x + aRect.size.width;
bbox[3] = aRect.origin.y + aRect.size.height;
params[0] = aRect.origin.x;
params[1] = aRect.origin.y + aRect.size.height * 2 / 10;
params[2] = aRect.origin.x;
params[3] = aRect.origin.y;
params[4] = aRect.origin.x + aRect.size.width;
params[5] = aRect.origin.y;
params[6] = aRect.origin.x + aRect.size.width;
params[7] = aRect.origin.y + aRect.size.height * 2 / 10;
params[8] = 0.0;
params[9] = aRect.size.height * 6 / 10;
params[10] = aRect.origin.x + aRect.size.width;
params[11] = aRect.origin.y + aRect.size.height;
params[12] = aRect.origin.x;
params[13] = aRect.origin.y + aRect.size.height;
params[14] = aRect.origin.x;
params[15] = aRect.origin.y + aRect.size.height * 8 / 10;
params = [path2 params];
bbox = [path2 bbox];
bbox[0] = aRect.origin.x;
bbox[1] = aRect.origin.y;
bbox[2] = aRect.origin.x + aRect.size.width;
bbox[3] = aRect.origin.y + aRect.size.height;
params[0] = aRect.origin.x;
params[1] = aRect.origin.y + aRect.size.height * 2 / 10;
params[2] = aRect.origin.x;
params[3] = aRect.origin.y;
params[4] = aRect.origin.x + aRect.size.width;
params[5] = aRect.origin.y;
params[6] = aRect.origin.x + aRect.size.width;
params[7] = aRect.origin.y + aRect.size.height * 2 / 10;
params[8] = aRect.origin.x + aRect.size.width;
params[9] = aRect.origin.y + aRect.size.height * 4 / 10;
params[10] = aRect.origin.x;
params[11] = aRect.origin.y + aRect.size.height * 4 / 10;
params[12] = aRect.origin.x;
params[13] = aRect.origin.y + aRect.size.height * 2 / 10;
params[14] = 0.0;
params[15] = aRect.size.height * 6 / 10;
params[16] = aRect.origin.x;
params[17] = aRect.origin.y + aRect.size.height;
params[18] = aRect.origin.x + aRect.size.width;
params[19] = aRect.origin.y + aRect.size.height;
params[20] = aRect.origin.x + aRect.size.width;
params[21] = aRect.origin.y + aRect.size.height * 8 / 10;
params[22] = 0.0;
params[23] = -aRect.size.height * 6 / 10;
params[24] = aRect.origin.x;
params[25] = aRect.origin.y + aRect.size.height * 2 / 10;
}
+ (NSSize)calcSizeForInnerSize:(NSSize)aSize
{
NSSize os;
os.width = aSize.width;
os.height = aSize.height * 10 / 6;
return os;
}
@end
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.