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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 upup global textMsg bkgColor colorList axesType global textArea textMsg=[]; 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'); end for 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']) end imwrite(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']; end set(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 end end
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 upupUiBtn global textMsg bkgColor colorList axesType global textArea textMsg=[]; 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'); end for 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']) end imwrite(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']; end set(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 end end
非uiimage版按钮长这样:
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