如何利用Matlab复刻举牌加油小人生成器

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突然发现cla函数也可以应用到app designer控件上，因而对部分内容做出更改。

手痒，用matlab app designer复刻了一款举牌加油小人生成器，效果如下：

该程序可以生成正方形和长方形举牌小人，并且可以自己设置背景颜色(点击那些有颜色的小框框),点击绿色旋转按钮可以刷新生成的图片。

目前需要存图还是需要通过uiaxes自带的toolbar(下图右上角所示):

使用该程序需要小人的素材包，我已经将素材整理为materials.mat文件，网盘下载链接如下：

链接：https://pan.baidu.com/s/1ISloOsq8bIVDjm8TzRPlKw

提取码：1234

使用时需要把materials.mat和m文件放在同一文件夹

完整代码

function upupglobal textMsg bkgColor colorList axesTypeglobal textAreatextMsg=[];axesType=2;bkgColor=[1,1,1];colorList=[0.9000         0    0.0700    0.9200    0.3300    0.0800    0.9600    0.6200    0.7500    0.9600    0.9400    0.5500    0.7600    0.8400    0.2500    0.3800    0.7600    0.7300    0.4700    0.8100    0.9400    0.6000    0.0500    0.4900    1         1         1     ];%load pic and create pic ==================================================materials=load('materials.mat');if ~exist('materials','dir')   mkdir('materials');endfor i=1:size(colorList,1)    Rc=zeros(60,60);Rc(11:50,11:50)=255.*colorList(i,1);    Gc=zeros(60,60);Gc(11:50,11:50)=255.*colorList(i,2);    Bc=zeros(60,60);Bc(11:50,11:50)=255.*colorList(i,3);    cPic(:,:,1)=Rc;cPic(:,:,2)=Gc;cPic(:,:,3)=Bc;    imwrite(uint8(cPic),['materials\bkg',num2str(i),'.png']) endimwrite(materials.imgSet.cover,'materials\cover.jpg')imwrite(materials.imgSet.square,'materials\square.jpg')imwrite(materials.imgSet.refresh.CData,'materials\refresh.png','Alpha',materials.imgSet.refresh.AData)%==========================================================================upFig=uifigure('units','pixels',...    'position',[320 50 400 600],...    'Numbertitle','off',...    'menubar','none',...    'resize','off',...    'name','upup',...    'color',[0.93 0.6 0]);%==========================================================================textAreaLabel=uilabel(upFig);textAreaLabel.Position=[55 445 290 100];textAreaLabel.Text='';textAreaLabel.BackgroundColor=[0,0,0];textArea=uitextarea(upFig,'ValueChangedFcn',@changeText);textArea.Position=[60 450 280 90];textArea.FontSize=23;%text label hdl part=======================================================textLabel_1=uilabel(upFig);textLabel_1.Position=[52 517 296 106];textLabel_1.Text='YOUR MESSAGE HERE';textLabel_1.FontSize=24;textLabel_1.FontWeight='bold';textLabel_1.HorizontalAlignment='center';textLabel_2=uilabel(upFig);textLabel_2.Position=[52 367 296 106];textLabel_2.Text='BACKGROUND COLORS';textLabel_2.FontSize=24;textLabel_2.FontWeight='bold';textLabel_2.HorizontalAlignment='center';textLabel_3=uilabel(upFig);textLabel_3.Position=[10 310 60 50];textLabel_3.Text='SIZE';textLabel_3.FontSize=20;textLabel_3.FontWeight='bold';textLabel_3.HorizontalAlignment='center';%bkg color hdl part========================================================for i=1:size(colorList,1)    CL(i)=uiimage(upFig);    CL(i).Position=[10+i*35,365,30,30];    CL(i).UserData=i;    CL(i).ImageSource=['materials\bkg',num2str(i),'.png'];endset(CL,'ImageClickedFcn',@bkgChange)%reset Size hdl part=======================================================sizeBtn(1)=uiimage(upFig);sizeBtn(1).Position=[70 320 168 30];sizeBtn(1).UserData=1;sizeBtn(1).ImageSource='materials\cover.jpg';sizeBtn(2)=uiimage(upFig);sizeBtn(2).Position=[245 320 80 30];sizeBtn(2).UserData=2;sizeBtn(2).ImageSource='materials\square.jpg';set(sizeBtn,'ImageClickedFcn',@sizeChange)%==========================================================================refreshBtn=uiimage(upFig);refreshBtn.Position=[340 317.5 35 35];refreshBtn.ImageSource='materials\refresh.png';set(refreshBtn,'ImageClickedFcn',@changeText)%==========================================================================upAx=uiaxes('Units','pixels',...      'parent',upFig,...      'Position',[50 10 300 300],...      'Color',[0.99 0.99 0.99],...      'Box','on', ...      'XTick',[],...      'YTick',[],...      'XLimMode','manual',...      'YLimMode','manual',...      'XLim',[0 300],...      'YLim',[0 300], ...      'BackgroundColor',[0,0,0],...      'YDir','reverse');hold(upAx,'on')%==========================================================================    function bkgChange(~,event)        objNum=event.Source.UserData;        upAx.Color=colorList(objNum,:);     end    function sizeChange(~,event)        axesType=event.Source.UserData;        switch axesType            case 1                upAx.Position=[10 120 380 141];                upAx.XLim=[0 380];                upAx.YLim=[0 141];                 case 2                upAx.Position=[50 10 300 300];                upAx.XLim=[0 300];                upAx.YLim=[0 300];        end    end            function changeText(~,~)        cla(upAx)%         hold(upAx,'off')%         image(upAx,[-1,0],[-1,0],ones(1,1,3),'visible','off');%         hold(upAx,'on')        textMsg=textArea.Value;        for ii=1:length(textMsg)            tempStr=textMsg{ii};            for jj=1:length(tempStr)                if tempStr(jj)~=' '                    roleType=randi(24);                    image(upAx,[0,103*0.4]+110+28*(jj-1)-27*(ii-1),...                        [0,198*0.4]+10+12*(jj-1)+22*(ii-1),...                        materials.imgSet.CData{roleType},...                        'AlphaData',materials.imgSet.AData{roleType},...                        'Interpolation','bilinear')                    text(upAx,21+110+28*(jj-1)-27*(ii-1),...                        10+10+12*(jj-1)+22*(ii-1),...                        tempStr(jj),'rotation',-38,'FontSize',16,...                        'FontWeight','bold','Color',[0.4,0.3,0.3],...                        'FontAngle','italic','HorizontalAlignment','center');                end            end        end    endend

另：完整素材包+mat文件+m文件可以在下面下载

百度网盘链接：https://pan.baidu.com/s/1F6Z3_-91_OKtV2zjQUg47Q

注：代码和素材仅作学习用途，勿做他用

另

若matlab是版本为R2016a以后，R2019a之前,会因为uiimage未被推出而无法正常使用，可以尝试以下代码，该代码依旧需要materials.mat和m文件在同一文件夹：

function upupUiBtnglobal textMsg bkgColor colorList axesTypeglobal textAreatextMsg=[];axesType=2;bkgColor=[1,1,1];colorList=[0.9000         0    0.0700    0.9200    0.3300    0.0800    0.9600    0.6200    0.7500    0.9600    0.9400    0.5500    0.7600    0.8400    0.2500    0.3800    0.7600    0.7300    0.4700    0.8100    0.9400    0.6000    0.0500    0.4900    1         1         1     ];%load pic and create pic ==================================================materials=load('materials.mat');if ~exist('materials','dir')   mkdir('materials');endfor i=1:size(colorList,1)    Rc=zeros(60,60);Rc(11:50,11:50)=255.*colorList(i,1);    Gc=zeros(60,60);Gc(11:50,11:50)=255.*colorList(i,2);    Bc=zeros(60,60);Bc(11:50,11:50)=255.*colorList(i,3);    cPic(:,:,1)=Rc;cPic(:,:,2)=Gc;cPic(:,:,3)=Bc;    imwrite(uint8(cPic),['materials\bkg',num2str(i),'.png']) endimwrite(materials.imgSet.cover,'materials\cover.jpg')imwrite(materials.imgSet.square,'materials\square.jpg')imwrite(materials.imgSet.refresh.CData,'materials\refresh.png','Alpha',materials.imgSet.refresh.AData)%==========================================================================upFig=uifigure('units','pixels',...    'position',[320 50 400 600],...    'Numbertitle','off',...    'menubar','none',...    'resize','off',...    'name','upup',...    'color',[0.93 0.6 0]);%==========================================================================textAreaLabel=uilabel(upFig);textAreaLabel.Position=[55 445 290 100];textAreaLabel.Text='';textAreaLabel.BackgroundColor=[0,0,0];textArea=uitextarea(upFig,'ValueChangedFcn',@changeText);textArea.Position=[60 450 280 90];textArea.FontSize=23;%text label hdl part=======================================================textLabel_1=uilabel(upFig);textLabel_1.Position=[52 517 296 106];textLabel_1.Text='YOUR MESSAGE HERE';textLabel_1.FontSize=24;textLabel_1.FontWeight='bold';textLabel_1.HorizontalAlignment='center';textLabel_2=uilabel(upFig);textLabel_2.Position=[52 367 296 106];textLabel_2.Text='BACKGROUND COLORS';textLabel_2.FontSize=24;textLabel_2.FontWeight='bold';textLabel_2.HorizontalAlignment='center';textLabel_3=uilabel(upFig);textLabel_3.Position=[10 310 60 50];textLabel_3.Text='SIZE';textLabel_3.FontSize=20;textLabel_3.FontWeight='bold';textLabel_3.HorizontalAlignment='center';%bkg color hdl part========================================================for i=1:size(colorList,1)    CL(i)=uibutton(upFig);    CL(i).Position=[10+i*35,365,30,30];    CL(i).BackgroundColor=[0 0 0];    CL(i).Text='';    CL(i).UserData=i;    CL(i).Icon=['materials\bkg',num2str(i),'.png'];endset(CL,'ButtonPushedFcn',@bkgChange)%reset Size hdl part=======================================================sizeBtn(1)=uibutton(upFig);sizeBtn(1).Position=[80 320 145 32];sizeBtn(1).UserData=1;sizeBtn(1).Text='';sizeBtn(1).BackgroundColor=[0 0 0];sizeBtn(1).Icon='materials\cover.jpg';sizeBtn(2)=uibutton(upFig);sizeBtn(2).Position=[235 320 78 32];sizeBtn(2).UserData=2;sizeBtn(2).Text='';sizeBtn(2).BackgroundColor=[0 0 0];sizeBtn(2).Icon='materials\square.jpg';set(sizeBtn,'ButtonPushedFcn',@sizeChange)refreshBtn=uibutton(upFig);refreshBtn.Position=[330 318 35 35];refreshBtn.Text='';refreshBtn.BackgroundColor=[0.93 0.6 0];refreshBtn.Icon='materials\refresh.png';set(refreshBtn,'ButtonPushedFcn',@changeText)%==========================================================================upAx=uiaxes('Units','pixels',...      'parent',upFig,...      'Position',[50 10 300 300],...      'Color',[0.99 0.99 0.99],...      'Box','on', ...      'XTick',[],...      'YTick',[],...      'XLimMode','manual',...      'YLimMode','manual',...      'XLim',[0 300],...      'YLim',[0 300], ...      'BackgroundColor',[0,0,0],...      'YDir','reverse');hold(upAx,'on')%==========================================================================    function bkgChange(~,event)        objNum=event.Source.UserData;        upAx.Color=colorList(objNum,:);     end    function sizeChange(~,event)        axesType=event.Source.UserData;        switch axesType            case 1                upAx.Position=[10 120 380 141];                upAx.XLim=[0 380];                upAx.YLim=[0 141];                 case 2                upAx.Position=[50 10 300 300];                upAx.XLim=[0 300];                upAx.YLim=[0 300];        end    end            function changeText(~,~)        cla(upAx)%         hold(upAx,'off')%         image(upAx,[-1,0],[-1,0],ones(1,1,3),'visible','off');%         hold(upAx,'on')        textMsg=textArea.Value;        for ii=1:length(textMsg)            tempStr=textMsg{ii};            for jj=1:length(tempStr)                if tempStr(jj)~=' '                    roleType=randi(24);                    image(upAx,[0,103*0.4]+110+28*(jj-1)-27*(ii-1),...                        [0,198*0.4]+10+12*(jj-1)+22*(ii-1),...                        materials.imgSet.CData{roleType},...                        'AlphaData',materials.imgSet.AData{roleType},...                        'Interpolation','bilinear')                    text(upAx,21+110+28*(jj-1)-27*(ii-1),...                        10+10+12*(jj-1)+22*(ii-1),...                        tempStr(jj),'rotation',-38,'FontSize',16,...                        'FontWeight','bold','Color',[0.4,0.3,0.3],...                        'FontAngle','italic','HorizontalAlignment','center');                end            end        end    endend

非uiimage版按钮长这样：

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