判断一个颜色是否是亮色functionIsLightColor(constAColor:TColor):Boolean;varr,g,b,yiq:integer;beginr:=…
functionRgbToGray(Source:TColor):TColor;varTarget:Byte;beginTarget:=Round((0.30*GetRValue(Source))+(…
functionGetHTMLColor(cl:TColor;IsBackColor:Boolean):string;varrgbColor:TColorRef;beginifIsBackColort…
procedureTForm1.Button1Click(Sender:TObject);varaCanvas:TCanvas;i:Tbitmap;beginaCanvas:=TCanvas.Crea…
首先单击项目->资源和图像:<pstyle="margin-top:0px;margin-bottom:1.71429rem;padding:0px;border:0px;fo…
//--------------------------------------------------------------------------------------------functi…
//截取屏幕图片functionMakeScaleScreenshot(Sender:TControl):TBitmap;functionGetScreenScale:Single;var…
functionIsPhoto(AFile:string):Boolean;var//声明变量MyImage:TMemoryStream;//内存流对象Buffer:Word;i:i…
functionWindowSnap(windowHandle:HWND;bmp:TBitmap):boolean;varr:****ect;user32DLLHandle:THandle;print…
usesjpeg,EncdDecd;functionBase64StringToJpeg(ImgStr:string):TJPEGImage;varss:TStringStream;ms:TMemor…
unitUnit1;interfaceusesWindows,Messages,SysUtils,Variants,Classes,Graphics,Controls,Forms,Dialogs,Ex…
unitUnit1;interfaceusesWinapi.Windows,Winapi.Messages,System.SysUtils,System.Variants,System.Classes…
//旋转图片;varbS****eam:TMemorys****eam;Jpg:TJPEGImage;bmp:TBitmap;beginbS****eam:=TMemoryS****eam.C…
////------------------------------------------------------------------------------------////uPicPres…
functionIsPhoto(AFile:string):Boolean;var//声明变量MyImage:TMemoryStream;//内存流对象Buffer:Word;i:i…
描述下面的代码在按下按钮时从剪贴板绘制位图图像。要将图标放置在剪贴板上,必须在LoadFromClipboard按钮之…
源代码:https://pan.baidu.com/s/1s921i0M-VFaW-8z7yYeozQ提取码:jkq3unitUnit8;interfaceusesWinapi.Wind…
usesJPEG;functionCanLoadFromStream(Stream:TStream):Boolean;varsoi,marker:Word;P:Int64;beginP:=Stream…
测试环境及功能Win764位操作系统Delphi10.2.3Firemonkey功能:Delphi显示圆形头像procedureTForm5.Button1C…
1.通过API函数GetPixel(),获取某个点的颜色值;varPT:TPoint;C:TColor;DC:HDC;hwd:THandle;I:integer;beginG…