APP designer版本链接：MATLAB App Designer 特别篇：RGB颜色提取器
之前使用matlab写了一个程序能实现导入图片识别颜色 为其增添了一些新的功能，包括：RGB格式设置，各类储存 并扩展了展示框颜色的存放量 新界面（改动不大）：
先介绍一下基础使用方法： 从电脑导入图片或使用截图功能导入图片： 
点击获取颜色后，鼠标在图片上移动时，颜色信息会在这里显示：
点击储存颜色后颜色会暂时储存在右侧： 
新版本增添了改变RGB格式的功能： 
展示框容量随着取色数增大：
新增了四种导出格式： 
1导出为mat 
2导出为txt(有待改进） 
3导出为excel 
4-1导出当前页面对照图： 
4-2导出全部页面对照图： 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 完整代码
function getcolor
global control;
global ima;
global GUI;
global x_limit;
global y_limit;
global color;
global a;
global color_number;
global color_list;
global page;
global total_page;
global color_list_temp;
color=[];
page=1;
total_page=2;
color_list=[0 0 0];
color_list(1,:)=[];
color_number=1;
rgb_type=1;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
GUI.fig=figure('units','pixels',...
'position',[350 100 800 500],...
'Numbertitle','off',...
'menubar','none',...
'resize','off',...
'name','getcolor',...
'color',[0.95 0.95 0.95]);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
uh1=uimenu('label','设置');
uimenu(uh1,'label','RGB类型设置','callback',@RGBset)
function RGBset(~,~)
GUI.rgbfig=figure('units','pixels',...
'position',[360 370 180 200],...
'Numbertitle','off',...
'menubar','none',...
'name','RGBset',...
'resize','off');
GUI.axes=axes('Units','pixels',...
'parent',GUI.rgbfig,...
'PlotBoxAspectRatio',[1 1 1],...
'Color',[0.95 0.95 0.95],...
'Box','on', ...
'XLim',[0 500],...
'YLim',[0 500], ...
'XColor',[0.95 0.95 0.95],...
'YColor',[0.95 0.95 0.95],...
'YDir','reverse', ...
'xtick',[],'ytick',[]);
GUI.checkbox1=uicontrol('parent',GUI.rgbfig,...
'style','checkbox',...
'string','范围:0－1',...
'position',[45 150 400 30],...
'fontsize',10,...
'value',rgb_type,...
'callback',@ifon1);
GUI.checkbox255=uicontrol('parent',GUI.rgbfig,...
'style','checkbox',...
'string','范围:0－255',...
'position',[45 120 400 30],...
'fontsize',10,...
'value',~rgb_type,...
'callback',@ifon255);
GUI.makesurebutton=uicontrol('parent',GUI.rgbfig,...
'style','pushbutton',...
'string','确定设置',...
'position',[45 70 100 25],...
'fontsize',10,...
'callback',@settype);
function ifon1(~,~)
if(get(GUI.checkbox1,'value')==1)
set(GUI.checkbox1,'value',1);
set(GUI.checkbox255,'value',0);
else
set(GUI.checkbox1,'value',1);
end
end
function ifon255(~,~)
if(get(GUI.checkbox255,'value')==1)
set(GUI.checkbox255,'value',1);
set(GUI.checkbox1,'value',0);
else
set(GUI.checkbox255,'value',1);
end
end
function settype(~,~)
rgb_type=get(GUI.checkbox1,'value');
if ~isempty(color)
set(GUI.text2,'string',['[',num2str((color/255).*rgb_type+color.*(~rgb_type)),']']);
end
show_color(page);
close(GUI.rgbfig)
end
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
uh2=uimenu('label','保存');
uimenu(uh2,'label','储存为mat','callback',@saveas_mat)
uimenu(uh2,'label','储存为txt','callback',@saveas_txt)
uimenu(uh2,'label','储存为excel','callback',@saveas_exl)
uimenupic=uimenu(uh2,'label','储存为对照图');
uimenu(uimenupic,'label','储存全部页码','callback',@saveas_pic_all);
uimenu(uimenupic,'label','储存当前页码','callback',@saveas_pic_now);
function saveas_mat(~,~)
try
[filename, pathname] = uiputfile({'*.mat','mat'});
color_list_temp=(color_list/255).*rgb_type+color_list.*(~rgb_type);
save([pathname,filename],'color_list_temp');
catch
end
end
function saveas_txt(~,~)
try
[filename, pathname] = uiputfile({'*.txt','记事本'});
color_list_temp=(color_list/255).*rgb_type+color_list.*(~rgb_type);
[m,n]=size(color_list_temp);
fid=fopen([ pathname,filename],'w');
for ii=1:m
for jj=1:n
if jj==n
fprintf(fid,'%d\r\n',color_list_temp(ii,jj));
else
fprintf(fid,'%d\r\t',color_list_temp(ii,jj));
end
end
end
fclose(fid);
catch
end
end
function saveas_exl(~,~)
[filename, pathname] = uiputfile({'*.xlsx','记事本'});
color_list_temp=(color_list/255).*rgb_type+color_list.*(~rgb_type);
xlswrite([ pathname,filename],color_list_temp)
end
function saveas_pic_all(~,~)
page_with_color=total_page-1;
px=50;
gap_px=10;
pic=ones(9*px,page_with_color*px+(page_with_color-1)*gap_px,3);
for p=1:page_with_color
for ii=(p-1)*9+1:p*9
for kk=1:3
if ii9)=9;
px=50;
pic=ones(9*px,1*px,3);
if m>0
for ii=(page-1)*9+1:(page-1)*9+m
for kk=1:3
pic((ii-1)*px+1:ii*px,1:px,kk)=color_list(ii,kk)/255;
end
end
else
end
[filename, pathname] = uiputfile({'*.jpg;*.png','All Image Files';...
'*.jpg','JPG';'*.png','PNG' });
imwrite(pic,[pathname,filename]);
catch
end
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%uh3=uimenu('label','导入');
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
GUI.text=uicontrol('parent',GUI.fig,...
'style','text',...
'string','色彩识别',...
'horizontalalign','center',...
'position',[50 440 400 30],...
'backgroundcolor',[0.85 0.89 0.85],...
'foregroundcolor','k',...
'fontsize',15);
GUI.text1=uicontrol('parent',GUI.fig,...
'style','text',...
'string','',...
'horizontalalign','center',...
'position',[460 330 100 100],...
'backgroundcolor',[1 1 1],...
'foregroundcolor','k',...
'fontsize',10);
GUI.text2=uicontrol('parent',GUI.fig,...
'style','text',...
'string','',...
'horizontalalign','center',...
'position',[350 440 210 30],...
'backgroundcolor',[1 1 1],...
'foregroundcolor','k',...
'fontsize',10);
GUI.savecolorbutton=uicontrol('parent',GUI.fig,...
'style','pushbutton',...
'string','储存颜色',...
'position',[460 290 100 30],...
'backgroundcolor',[0.85 0.89 0.85],...
'foregroundcolor','k',...
'fontsize',15,...
'callback',@save_color);
GUI.deletedatabutton=uicontrol('parent',GUI.fig,...
'style','pushbutton',...
'string','清空数据',...
'position',[460 230 100 30],...
'backgroundcolor',[0.8 0.9 0.9],...
'foregroundcolor','k',...
'fontsize',15,...
'callback',@clear_data);
GUI.deletepicbutton=uicontrol('parent',GUI.fig,...
'style','pushbutton',...
'string','删除图片',...
'position',[460 180 100 30],...
'backgroundcolor',[0.8 0.9 0.9],...
'foregroundcolor','k',...
'fontsize',15,...
'callback',@delete_pic);
GUI.getcapbutton=uicontrol('parent',GUI.fig,...
'style','pushbutton',...
'string','屏幕截图',...
'position',[460 130 100 30],...
'backgroundcolor',[0.8 0.9 0.9],...
'foregroundcolor','k',...
'fontsize',15,...
'callback',@get_capture);
GUI.getpicbutton=uicontrol('parent',GUI.fig,...
'style','pushbutton',...
'string','读取图片',...
'position',[460 80 100 30],...
'backgroundcolor',[0.8 0.9 0.9],...
'foregroundcolor','k',...
'fontsize',15,...
'callback',@getImage);
GUI.getcolorbutton=uicontrol('parent',GUI.fig,...
'style','pushbutton',...
'tag','recc',...
'string','获取颜色',...
'position',[460 30 100 30],...
'backgroundcolor',[0.8 0.9 0.9],...
'foregroundcolor','k',...
'fontsize',15,...
'callback',@get_color);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
for i=1:9
GUI.text=uicontrol('parent',GUI.fig,...
'tag',num2str(i),...
'style','text',...
'string','',...
'horizontalalign','left',...
'position',[600 440-40*(i-1) 30 30],...
'backgroundcolor',[1 1 1],...
'foregroundcolor','k',...
'fontsize',10);
end
for i=1:9
GUI.text=uicontrol('parent',GUI.fig,...
'tag',[num2str(i),'t'],...
'style','text',...
'string','',...
'horizontalalign','center',...
'position',[640 440-40*(i-1) 150 30],...
'backgroundcolor',[1 1 1],...
'foregroundcolor','k',...
'fontsize',8);
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
GUI.inputbutton=uicontrol('parent',GUI.fig,...
'style','pushbutton',...
'string','清除最后一个颜色',...
'position',[600 80 190 30],...
'backgroundcolor',[0.85 0.89 0.85],...
'foregroundcolor','k',...
'fontsize',15,...
'callback',@delete_last);
%GUI.inputbutton=uicontrol('parent',GUI.fig,...
%'style','pushbutton',...
%'string','导出数据',...
%'position',[600 30 190 30],...
%'backgroundcolor',[0.85 0.89 0.85],...
%'foregroundcolor','k',...
%'fontsize',15,...
%'callback',@output_data);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
GUI.lpbutton=uicontrol('parent',GUI.fig,...
'style','pushbutton',...
'string','',...
'position',[720 30 70 30],...
'backgroundcolor',[0.85 0.85 0.85],...
'foregroundcolor','k',...
'fontsize',12,...
'callback',@nextpage);
GUI.page=uicontrol('parent',GUI.fig,...
'style','text',...
'string',[num2str(page),'/',num2str(total_page)],...
'horizontalalign','center',...
'position',[670 30 50 27],...
'backgroundcolor',[0.95 0.95 0.95],...
'foregroundcolor','k',...
'fontsize',12);
function lastpage(~,~)
page=page-1;
page(pagetotal_page)=total_page;
set(GUI.page,'string',[num2str(page),'/',num2str(total_page)]);
show_color(page);
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
GUI.axes=axes('Units','pixels',...
'PlotBoxAspectRatio',[1 1 1],...
'Position',[50 30 400 400],...
'Color',[0.98 0.98 0.98],...
'Box','on', ...
'XLim',[0 500],...
'YLim',[0 500], ...
'XColor','w','YColor','w',...
'YDir','reverse', ...
'Tag','picbagaxes',...
'xtick',[],'ytick',[]);
hold on;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%function output_data(~,~)
%if color_number>1
%disp(color_list)
%end
%end
function show_color(cur_page)
len_list=size(color_list,1);
for ii=(cur_page-1)*9+1:(cur_page-1)*9+9
if(ii(total_page-1)*9
page=ceil(color_number/9);
total_page=total_page+1;
set(GUI.page,'string',[num2str(page),'/',num2str(total_page)]);
end
show_color(page)
end
end
function delete_last(~,~)
if color_number>=1
%set(findobj('tag',num2str(color_number-1)),'backgroundcolor',[1 1 1])
%set(findobj('tag',[num2str(color_number-1),'t']),'string','')
color_list(end,:)=[];
color_number=color_number-1;
if color_number-2x_limit)=x_limit;
y(y>y_limit)=y_limit;
x(x
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