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MacWorld: Complete Mac Interactive
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Macworld Complete Mac Interactive CD)(1994).iso
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NIH Image 1.55 f (non fpu)
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Macros
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More Macros
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1994-04-05
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macro 'Fast Invert';
begin
Invert;
end;
macro 'Slow Invert';
{
This macro illustrates why it's not a good idea to use
macros for pixel-by-pixel processing.
}
var
width,height,value,x,y:integer;
begin
RequiresVersion(1.44);
GetPicSize(width,height);
for y:=0 to height-1 do begin
GetRow(0,y,width);
for x:=0 to width-1 do LineBuffer[x]:=255-LineBuffer[x];
PutRow(0,y,width);
end;
end;
macro 'Draw Vertical Calibration Bar';
var
left,top,width,height,i,x,y2,inc:integer;
y:real;
begin
GetRoi(left,top,width,height);
if width=0 then begin
PutMessage('Make a selection first.');
exit;
end;
SetFont('Helvetica');
SetFontSize(10);
SetText('Plain; Left; no background');
SetLineWidth(1);
Setforeground(255);
DrawScale;
x:=left;
y:=top;
inc:=height/10;
for i:=1 to 11 do begin
MoveTo(x+width+10,round(y)+2);
y2:=round(y);
if i=11 then y2:=y2-1;
write(cvalue(GetPixel(x,y2)):1:2);
y:=y+inc;
end;
end;
macro 'ASCII Dump';
{
Generates an alphanumeric listing of pixels values starting at
the upper left corner of the current selection. 20 rows and 44 columns
can be displayed with the default 552 x 436 window.
}
var
image,dump,roiLeft,roiTop,roiWidth,roiHeight:integer;
h,v,value,MaxWidth,MaxHeight,width,height:integer;
begin
image:=PicNumber;
GetRoi(RoiLeft,RoiTop,RoiWidth,RoiHeight);
if roiWidth=0 then begin
PutMessage('This macro requires a rectangular selection');
exit;
end;
SetForegroundColor(255);
SetBackgroundColor(0);
MakeNewWindow('ASCII Dump');
dump:=PicNumber;
GetPicSize(width,height);
MaxWidth:=width div 24 - 2;
MaxHeight:=height div 9 - 3;
if roiWidth>MaxWidth then roiWidth:=MaxWidth;
if roiHeight>MaxHeight then roiHeight:=MaxHeight;
SetFont('Monaco');
SetFontSize(9);
SetText('With background; Left Justified');
MoveTo(2,12);
write(' ');
for h:=roiLeft to roiLeft+roiWidth-1 do write(h:4);
writeln;
writeln;
for v:=roiTop to roiTop+roiHeight-1 do begin
write(v:3,' ');
for h:=roiLeft to roiLeft+roiWidth-1 do begin
ChoosePic(image);
value:=GetPixel(h,v);
ChoosePic(dump);
write(value:4);
end;
writeln;
end;
ChoosePic(image);
end;
macro 'Scale and Rotate All';
{
Resizes and/or rotates all currently open widows. For example,
change the ScaleAndRotate command below to
ScaleAndRotate(2,2,0) to change the size of all the images
in a movie loop sequence from 128 x 128 to 256 x 256.
}
var
i:integer;
begin
SaveState;
SetScaling('Bilinear; Create New Window');
for i:=1 to nPics do begin
ChoosePic(1);
ScaleAndRotate(1.9,1.9,0);
ChoosePic(1);
Close;
end;
for i:=1 to nPics do begin
ChoosePic(i);
SetPicName(i);
end;
RestoreState;
end;
macro 'Dispose All';
begin
DisposeAll;
end;
macro 'Average two Images';
{Generates the arithmetic average of two images.}
begin
RequiresVersion(1.53);
if nPics<>2 then begin
PutMessage('This macro requires exactly two image windows to be open.');
Exit;
End;
ImageMath('add' ,1 ,2, 0.5, 0, 'Average');
end;
macro 'Make Montage [M]';
{Opens a new window and creates in it a composite image made from all}
{currently open images. All the images must be the same size.}
var
width,height,w,h,mWidth,mHeight,nWindows,left,top:integer;
RoiWidth,RoiHeight,RoiWidth,RoiHeight,i,hloc,vloc:integer;
montage,temp:integer;
scale:real;
SameSize:boolean;
begin
nWindows:=nPics;
SameSize:=true;
GetPicSize(width,height);
for i:=1 to nPics do begin
SelectPic(i);
GetPicSize(w,h);
SameSize:=SameSize and (w=width) and (h=height);
end;
if (nWindows<2) or not SameSize then begin
PutMessage('This macro needs two or more images of the same size in order to create a montage.');
Exit;
end;
SetBackground(0);
MakeNewWindow('Montage');
montage:=nWindows+1;
GetPicSize(mWidth,mHeight);
SelectPic(1);
Duplicate('Temp');
temp:=nWindows+2;
scale:=GetNumber('Scaling Factor:',0.25);
hloc:=-(RoiWidth);
vloc:=0;
for i:=1 to nWindows do begin
SelectPic(i);
SelectAll;
copy;
SelectPic(temp);
paste;
SelectAll;
ScaleSelection(scale,scale);
RestoreRoi;
if i=1 then begin
GetRoi(left,top,RoiWidth,RoiHeight);
hloc:=-RoiWidth;
vloc:=0;
end;
Copy;
SelectPic(montage);
hloc:=hloc+RoiWidth;
if (hloc+RoiWidth)>mWidth then begin
hloc:=0;
vloc:=vloc+RoiHeight;
end;
MakeRoi(hloc,vloc,RoiWidth,RoiHeight);
Paste;
end;
KillRoi;
SelectPic(temp);
Dispose;
end;
macro 'Make Sine Wave';
var
left,top,width,height,i:integer;
ppp,scale:real;
begin
SaveState;
MakeNewWindow('Sine Wave');
SelectAll;
GetRoi(left,top,Width,Height);
if width=0 then begin
PutMessage('This macro requires a rectangular selection.');
Exit;
end;
ppp:=GetNumber('Pixels per period',100);
Scale:=ppp/6.28;
MakeRoi(left,top,1,height);
for i:=1 to width do begin
SetForeground(sin(i/scale)*127 +128);
{SetForeground((sin(i/scale)*127 +128)*(i+30)/(width));}
{SetForeground(sin(i/(ppp*((width-i+3)/width)/6.28))*127 +128);}
fill;
MoveRoi(1,0);
end;
KillRoi;
RestoreState;
end;
macro 'Beep if No Selection [B]';
var
left,top,width,height:integer;
begin
GetRoi(left,top,width,height);
if width=0 then beep;
end;
macro '(---'; begin end;
{These macros allow you to easily switch}
{transfer modes while pasting by tapping keys.}
macro 'Copy Mode[1]'; begin SetOption; DoCopy; end;
macro 'AND Mode[2]'; begin SetOption; DoAnd; end;
macro 'OR Mode [3]'; begin SetOption; DoOr; end;
macro 'XOR Mode[4]'; begin SetOption; DoXor; end;
macro 'REPLACE Mode[5]'; begin SetOption; DoReplace; end;
macro 'BLEND [6]'; begin SetOption; DoBlend; end;
macro 'Terminate Paste [7]'; begin KillRoi end;