birdsgui.m

非常好的数字处理教程

function varargout = birdsgui(varargin)

	Figure_Name='Additive Synthesis Forest';

%	[x, cmap] = imread('forest_backdrop.gif');
%	[button, bcmap] = imread('bird.jpg');

	load 'forest.mat';
	
	figure('name',Figure_Name,'number','off',...
			'Position',[100 100 size(x,2)*1.1 size(x,1)*1.1],'MenuBar','none');
	h_axis=axes('pos',[0 0 1 1]);
	image(x);
	axis image;
	colormap(cmap);

	hold on;
	top = 70;
	delta = 30;
	offset = 15;
	h_offset = -20;
	text_left = 64;
	n = 1;

	birds = {'Yellow_Warbler', 'Western_Meadowlark', 'Orchard_Oriole',...
	'Chipping_Sparrow', 'Scissor_Tailed_Flycatcher',...
	'Black_Throated_Gray_Warbler', 'Cassins_Kingbird',...
	'Black_Necked_Stilt', 'Chestnut_Sided_Warbler',...
	'Great_Horned_Owl', 'Grasshopper_Sparrow', 'Swamp_Sparrow',...
	'Golden_Crowned_Sparrow', 'Indigo_Bunting', 'Robin',...
	'Nashville_Warbler', 'Rufous_Sided_Towhee', 'Random_Bird'};

	switch computer
		case {'GLNX86','MAC'}
			birdfontsize = 12;
			titlesize = 24;
			authorsize = 14;
		case 'PCWIN'
			birdfontsize = 10;
			titlesize = 18;
			authorsize = 12;
	end
	y = -35;
	text(52.5,y+60,'Additive Synthesis Forest',...
	'fontsize',titlesize,...
	'fontweight','bold',...
	'color',[0.5 0.9 0.8]);

	text(66.5,y+80,'by Bob L. Sturm and Dr. Jerry Gibson',...
	'fontsize',authorsize,...
	'fontweight','bold',...
	'color',[0.5 0.9 0.8]);

	for i=1:length(birds),
		if (mod(i,10) == 0)
			h_offset = h_offset + 200;
			n = 1;
		end
		buttoncommand = ['hbutton' num2str(i) ' = image(button,''xdata'',[35+h_offset:57+h_offset],' ...
			'''ydata'',[top+' num2str(n) '*delta,top+' num2str(n) '*delta+20],'...
            '''button'',''birdcall(''''' birds{i} ''''')'');'];
		%textcommand = ['text(text_left+h_offset,top+' num2str(n) '*delta+offset,''' strrep(birds{i},'_',' ') ''',''fontname'',''times'',''fontsize'',12,''fontweight'',''bold'',''color'',[1 0.9 1]);'];
		textcommand = ['text(text_left+h_offset,top+' num2str(n) '*delta+offset,''' strrep(birds{i},'_',' ') ''',''fontsize'',' num2str(birdfontsize) ',''fontweight'',''bold'',''color'',[1 0.9 1]);'];
		eval(buttoncommand);
		eval(textcommand);
		n = n+1;
	end

	set(h_axis,'visible','off');