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MapMaker
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OutputView.m
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1990-12-04
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/* Generated by Interface Builder */
#import "OutputView.h"
#import <appkit/appkit.h>
#import "constants.h"
#import <math.h>
#import "ControlObject.h"
id parser;
void outputPoints(PointList *p)
{
int s;
Point *pt;
for(s=gotoPointInList(p,0,&pt);s;s=gotoNextPointInList(p,&pt)) {
("x : %f |y: %f |pen: %d |colour: %f\n",pt->x,pt->y,pt->pen,pt->pencolour);
}
}
DPSTimedEntryProc handlerfunction(DPSTimedEntry te,double now,void *userdata)
{
[parser doEntry];
}
void doMapping(PointList *p)
{
int t;
Point *pt;
int lastpen = UP;
float lastcol = NX_LTGRAY;
PSsetgray(NX_LTGRAY);
PSsetlinewidth(0.0);
for(t=gotoPointInList(p,0,&pt);(t);t=gotoNextPointInList(p,&pt)) {
if (lastpen == DOWN)
PSlineto(pt->x,pt->y);
else
PSmoveto(pt->x,pt->y);
if (lastcol != pt->pencolour) {
PSstroke();
PSnewpath();
PSmoveto(pt->x,pt->y);
PSsetgray(pt->pencolour);
lastcol = pt->pencolour;
}
lastpen = pt->pen;
}
PSstroke();
}
@implementation OutputView
- setItUp:sender
{
int i;
NXRect r;
[self setDrawSize:(ORight-OLeft) :(OTop-OBottom)];
[self setDrawOrigin:OLeft :OBottom];
animating = STOPPED;
currentFrame = 0;
parser = self;
stepValue = 0.0;
maxFrame = 0;
alertWindow = [sender alertWindow];
alertText = [sender alertText];
return self;
}
- (BOOL)gridState
{
return GridOn;
}
- setGridState:(BOOL)newGridState
{
oldGridOn = GridOn;
GridOn = newGridState;
return self;
}
- drawSelf:(const NXRect *)rects :(int)rectCount
{
Point *pt;
int s;
if (animating) {
currentFrame= currentFrame + animating;
if (currentFrame >= maxFrame)
currentFrame = 0;
else if (currentFrame < 0)
currentFrame = (maxFrame-1);
[outputFrames[currentFrame] composite:NX_COPY toPoint:&(bounds.origin)];
} else {
NXEraseRect(&bounds);
doMapping(&stillPoints);
}
return self;
}
- doStill:(ProjParam *)params :(PointList *)pts
{
newPointList(&stillPoints);
convertPoints(pts,&stillPoints,GridOn,params);
[self display];
freePointList(&stillPoints);
return self;
}
- doEntry
{
[self display];
return self;
}
- setupAnimation:(ProjParam *)params :(float)step :(PointList *)pts :(int)force
{
int i;
float g,h,l;
PointList outputPoints;
char outstr[100];
if ((!force) && (step == stepValue) && (params->phi1 == currentParams.phi1)
&& (params->proj == currentParams.proj) && (params->radius == currentParams.radius)
&& (oldGridOn == GridOn))
{
g = ((params->lon0*180)/PI);
h = ((currentParams.lon0*180)/PI);
l = (h-g)/step;
if ((l > (round(l)-0.001)) && (l < (round(l)+0.001))){
currentFrame = -1*(round(l) + round(h/step));
if (currentFrame < 0)
currentFrame += maxFrame;
if (currentFrame >= maxFrame)
currentFrame -= maxFrame;
return self;
}
}
oldGridOn = GridOn;
maxFrame = (360/step);
currentParams = *params;
stepValue = step;
currentFrame = 0;
[alertWindow makeKeyAndOrderFront:self];
for(i = 0;(i<maxFrame);i++) {
sprintf(outstr,"Frame %d of %d.",(i+1),maxFrame);
[alertText setStringValue:outstr];
newPointList(&outputPoints);
convertPoints(pts,&outputPoints,GridOn,params);
params->lon0 = params->lon0+((step/180)*PI);
if (!(outputFrames[i])) {
outputFrames[i] = [Bitmap newSize:frame.size.width :frame.size.height
type:NX_UNIQUEBITMAP];
[outputFrames[i] setFlip:NO];
}
[outputFrames[i] lockFocus];
PSscale((frame.size.width)/(ORight-OLeft),(frame.size.height)/(OTop-OBottom));
PStranslate(ORight,OTop);
NXEraseRect(&bounds);
doMapping(&outputPoints);
[outputFrames[i] unlockFocus];
freePointList(&outputPoints);
}
[alertText setStringValue:" "];
[alertWindow close];
return self;
}
- (int)animation
{
return animating;
}
- stopAnimating:(float *)angle;
{
if (animnum)
DPSRemoveTimedEntry(animnum);
animnum = 0;
animating = STOPPED;
*angle = (currentFrame*stepValue) + ((currentParams.lon0*180)/PI);
return self;
}
- startAnimating:(int)amate
{
animnum = DPSAddTimedEntry(rate,(DPSTimedEntryProc)handlerfunction,NULL,NX_BASETHRESHOLD);
animating = amate;
return self;
}
- rateChanged:(float)f
{
rate = f;
if (animnum) {
DPSRemoveTimedEntry(animnum);
animnum = DPSAddTimedEntry(rate,(DPSTimedEntryProc)handlerfunction,NULL,NX_BASETHRESHOLD);
}
return self;
}
- (BOOL)shouldRunPrintPanel:sender
{
return YES;
}
- doPrint:(ProjParam *)params :(PointList *)pts
{
int holder;
holder = animating;
animating = STOPPED;
newPointList(&stillPoints);
convertPoints(pts,&stillPoints,GridOn,params);
[self printPSCode:self];
freePointList(&stillPoints);
animating = holder;
return self;
}
@end