![windows api copyimage windows api copyimage](https://www.codeproject.com/KB/windows-phone-7/857981/7th-r-400.jpg)
* New: Clipboard (C++/WinRT), JapanesePhoneticAnalysis (C++/WinRT) * All C++/WinRT samples upgraded to C++/WinRT 2.0 #1179 * All C++ samples now build in both VS2017 and VS2019. * Add missing Line Display sample to TOC #704 * Miscellaneous typos: AdvancedCasting #1006, AudioCreation #1006, BluetoothAdvertisement #898, BluetoothRfcommChat #1139, Json #404, Nfc #1039, XamlBind #1169 #1182 * SharedContent: Default.rd.xml fixes #950 * XamlMasterDetail: Fix navigation problems #344 #345 * UserActivity: Fix protocol navigation #1176
#Windows api copyimage update
* SpeechRecognitionAndSynthesis: Clarify which scenarios require internet access #725, Update permission links #1002 * RadioManager: Clarify require capabilities #1165 * PlayReady: Don't create container twice #1159 * HolographicVoiceInput: Fix release build * HolographicFaceTracking: Fix comment about NV12 #834 * Holographic samples support HoloLens 2 device and emulator * CustomSerialDeviceAccess: Fix RequestToSendXOnXOff #1085 * Clipboard: Add history and roaming scenarios, improve delay-rendering, clipboard change reporting, error-handling. Since TGPGraphics can be used on every canvas (TGPGraphics.Create(aCanvas.Handle)) a peek into GDIPOBJ, GDIPAPI, GDIPUTIL might be interesting.* 360VideoPlayback: Align configurations, reset shader between stages #791 #942 GetEncoderClsid('image/png', encoderClsid) īg.Save('C:\temp\test.png', encoderClsid, nil) function TGPGraphics.DrawImage(image: TGPImage const destRect: TGPRectF srcx, srcy, srcwidth, srcheight: Single srcUnit: TUnit imageAttributes: TGPImageAttributes = nil callback: DrawImageAbort = nil callbackData: Pointer = nil): TStatus function DrawImage(image: TGPImage x, y, srcx, srcy, srcwidth, srcheight: Single srcUnit: TUnit): TStatus overload Take one of many overloads to crop the image as desired Procedure TDemo.Button1Click(Sender: TObject) Just create a TGPBitmap of the desired size for your destination PNG.Ĭreate TGPImages providing the (PNG)Files you want to paint.ĭraw these images using a TGPGraphics created with the TGPBitmap as Destination and draw the images at the desired position with width/height as you like, there are many overloads in GDIPOBJ for DrawImage with descriptive parameter naming.Ĭhoose your encoder by mime type (e.g.image/bmp, image/jpeg, image/gif, image/tiff, image/png) and save the file using this encoder.Ī short example: uses PNGImage, GDIPOBJ, GDIPAPI, GDIPUTIL But maybe this post can inspire someone to help me.Īs GDI + is supported since Delphi XE2 Delphi without external units, the easiest way is probably to ignore GDI due the limitations with alpha channels, and directly use the possibilities of GDI+. I search about this problem, first to copy the image png inside bg I try this, but not success:Īlphablend and TransparentBlt and Why am I losing transparency when calling BitBlt or CopyRect?īut in my case is different because I do not use a paintbox as you can see, and and using a png image and I copy parts of this image inside another with the information I put above. The background picture has not to be a png format at the beginning because it is created at the beginning with only the width and height but at the end has to be save as png. When the destX is bigger than the png picture, it doen't start copy in the right position inside the background picture, bg.With this values not working, I have the same result as before, should start copy in position 138 of bg.ĭstX := 138 dstY:=0 srcW:=0 srcH:=118 srcX:=10 srcY:=10 I try to user copyRect like this procedure TM圜lass.FillImage īg := TPngImage.CreateBlank(COLOR_RGB,8,245,150) ĭstX := 10 dstY:=0 srcW:=0 srcH:=118 srcX:=128 srcY:=10 īg.Canvas.CopyRect(Rect(dstX,dstY,srcW,srcH),png.Canvas,Rect(srcX,srcY,png.Width,png.Height)) This is my code, I have a background picture width: 245 and height: 150 and a png picture 128x128, so I copy parts of the png picture inside the background picture.ĭstX = x-coordinate of destination point.ĭstY = y-coordinate of destination point.