4.61b4 - Resize: Smooth not working, 24b & White fade, 32b

c4s · **Posted:** Sun May 13, 2012 1:19 pm

Using PB 4.61 beta 4 on Windows XP x86 I noticed two things:

1. If the image has 32 bits, the colors fade to alpha and white when enlarging the image. -> Tested with 4.51, 4.60 and 4.61. Only with 4.51 it works correctly (no fading to white)!
2. Resizing with #PB_Image_Smooth doesn't seem to work if the image has a depth of 24 bits. -> Tested with 4.51, 4.60 and 4.61. All behave the same.

Test code:

Code:

ImageNr = CreateImage(#PB_Any, 20, 20, 32 | #PB_Image_Transparent)

StartDrawing(ImageOutput(ImageNr))
   DrawingMode(#PB_2DDrawing_AlphaBlend)
   Box(1, 1, 10, 10, $FF00FF00)
   Circle(13, 13, 5, $7FFF00FF)
StopDrawing()

ResizeImage(ImageNr, 600, 600, #PB_Image_Smooth)

;ShowLibraryViewer("Image", ImageNr)
;CallDebugger
File.s = GetTemporaryDirectory() + "test.png"
UsePNGImageEncoder()
SaveImage(ImageNr, File, #PB_ImagePlugin_PNG)
RunProgram(File, "", GetPathPart(File))

End

byo · **Posted:** Sun May 13, 2012 5:08 pm

#1 not sure what to say but I can see some differences especially on the contour of the green box.
#2 confirmed here with Windows 7 x64.

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4.61b4 - Resize: Smooth not working, 24b & White fade, 32b

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