#import "GnuView.h"

@implementation GnuView

static float xsize= NEXT_XMAX/10+50;

static float ysize= NEXT_YMAX/10+50;

static int printing;

static void setprintsize();

- initWithFrame:(NSRect)rects

{

[super initWithFrame:rects];

PSstring = @"";

[self display];

return self;

}

- (void)dealloc

{

[super dealloc];

[PSstring release];

}

- executePS:(NSString *) PStext

{

if (PSstring)

[PSstring release];

PSstring = PStext;

[PSstring retain];

[[self window] makeKeyAndOrderFront:self];

[self display];

return self;

}

- (void) drawRect:(NSRect) rect

{

DPSContext d;

d = DPSGetCurrentContext();

if (!printing) { /* Clear Screen */

PSsetgray(NSWhite);

NSRectFill([self bounds]);

[self setBoundsSize:NSMakeSize(xsize, ysize)]; /* scale to gnuplot coords */

}

else {

setprintsize();

}

DPSWritePostScript(d, [PSstring cString], [PSstring length]);

DPSFlushContext(d);

}

- (void)print:(id)sender

{

printing = 1;

[super print:sender];

printing = 0;

}

static void setprintsize()

{

DPSContext d;

NSSize paperSize;

id prInfo;

d = DPSGetCurrentContext();

#warning PrintingConversion: The current PrintInfo object now depends on context. '[NSPrintInfo sharedPrintInfo]' used to be '[NSApp printInfo]'. This might want to be [[NSPrintOperation currentOperation] printInfo] or possibly [[PageLayout new] printInfo].

prInfo = [NSPrintInfo sharedPrintInfo];

paperSize = [prInfo paperSize];

DPSPrintf(d, "grestore\ngrestore\ngrestore\n");

if ([prInfo orientation] == NSLandscapeOrientation) {

DPSPrintf(d, "-90 rotate\n");

DPSPrintf(d, "%g 0 translate\n", -1.0 * paperSize.width);

DPSPrintf(d, "0 %g translate\n", paperSize.height/20);

}

else {

DPSPrintf(d, "%g %g scale\n", paperSize.width/paperSize.height, paperSize.height/paperSize.width);

}

DPSPrintf(d, "gsave\ngsave\n");

DPSFlushContext(d);

return;

}