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end

if ratiow*pwidth > bwidth

bigpattern(:,bwidth+1:end) = [];

end

bigpattern = repmat(bigpattern,[1 1 3]);

color = (bits(:,:,1) == colorval(1)) & ...

(bits(:,:,2) == colorval(2)) & ...

(bits(:,:,3) == colorval(3));

color = repmat(color,[1 1 3]);

bits(color) = bigpattern(color);

if ~isempty(colorlist)

[colors,colori] = nextnonbw(colori,colorlist,bits);

else

colors = (bits(:,:,1) ~= bits(:,:,2)) | ...

(bits(:,:,1) ~= bits(:,:,3));

end

colorind = find(colors);

pati = (pati + 1);

if pati > length(patterns)

pati = 1;

end

end

newfig = figure('units','pixels','visible','off');

imaxes = axes('parent',newfig,'units','pixels');

im = image(bits,'parent',imaxes);

fpos = get(newfig,'position');

set(newfig,'position',[fpos(1:2) figsize(3) figsize(4)+1]);

set(imaxes,'position',[0 0 figsize(3) figsize(4)+1],'visible','off');

set(newfig,'visible','on');

function [colors,out] = nextnonbw(ind,colorlist,bits)

out = ind+1;

colors = [];

while out <= size(colorlist,1)

if isequal(colorlist(out,:),[255 255 255]) | ...

isequal(colorlist(out,:),[0 0 0])

out = out+1;

else

colors = (colorlist(out,1) == bits(:,:,1)) & ...

(colorlist(out,2) == bits(:,:,2)) & ...

(colorlist(out,3) == bits(:,:,3));

return

end

end

%而applyhatch函數需要調用下面的函數

function A = makehatch(hatch)

%MAKEHATCH Predefined hatch patterns

%?? MAKEHATCH(HATCH) returns a matrix with the hatch pattern for HATCH

%??? according to the following table:

%?????? HATCH???????? pattern

%????? -------?????? ---------

%???????? /?????????? right-slanted lines

%???????? \?????????? left-slanted lines

%???????? |?????????? vertical lines

%???????? -?????????? horizontal lines

%???????? +?????????? crossing vertical and horizontal lines

%???????? x?????????? criss-crossing lines

%???????? .?????????? single dots

%

%?? See also: APPLYHATCH

%?? By Ben Hinkle, bhinkle@mathworks.com

%?? This code is in the public domain.

n = 6;

A=zeros(n);

switch (hatch)

case '/'

A = fliplr(eye(n));

case '\'

A = eye(n);

case '|'

A(:,1) = 1;

case '-'

A(1,:) = 1;

case '+'

A(:,1) = 1;

A(1,:) = 1;

case 'x'

A = eye(n) | fliplr(diag(ones(n-1,1),-1));

case '.'

A(1:2,1:2)=1;

otherwise

error(['Undefined hatch pattern "' hatch '".']);

end

總結

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