GetImageDepth - Learn To Code - PlayBASIC Documentation

GetImageDepth

Depth = GetImageDepth(ImageIndex)

Parameters:

ImageIndex = The Image you wish to query

Returns:

Depth = The Colour Depth of this image

The GetImageDepth function returns the Colour Depth of a selected image.

Depth values = colour formats

15Bit = RGB Colour format 555 (each pixel is a word (2bytes))
16Bit = RGB Colour format 565 (each pixel is a word (2bytes))
24Bit = RGB Colour format 888 (each pixel is 3 bytes)
32Bit = RGB Colour format -888 (each pixel is a Long/Integer (4bytes))

FACTS:

* By Default images have the same Depth as the current display mode. GetScreenDepth

Example Source: Download This Example

; Note: this demo opens a 32bit screen mode.
  OpenScreen 800,600,32,2


;Clear the Screen to Blue
  Cls RGB(0,0,255)
  w=200
  h=400
  Print "32 bit Screen Mode"


; create a 15bit (555) FX buffer
  CreateFXImageEx 1,w,h,15

; create a 16bit (565 ) FX buffer
  CreateFXImageEx 2,w,h,16

; create a 24bit (888 RGB) FX buffer
  CreateFXImageEx 3,w,h,24

; create a 32bit (8888 - ARGB) FX buffer
  CreateFXImageEx 4,w,h,32


  c1=$ff0000
  c2=$00ff00
  c3=$0000ff

  For lp=0 To 100
     x1=Rnd(w)
     y1=Rnd(h)
     x2=Rnd(w)
     y2=Rnd(h)
     x3=Rnd(w)
     y3=Rnd(h)

     For Img=1 To 4
        RenderToImage Img
        GouraudTri x1,y1,c1,x2,y2,c2,x3,y3,c3
     Next

  Next

  RenderToScreen
  For Img=1 To 4
     x=(w+10)*(img-1)
     y=100
     DrawImage img,x,y,0
     Text x,y,Str$(GetImageDepth(img))+" bit"
  Next

; display screen and wait for a key to be pressed
  Sync
  WaitKey


Related Info:	CreateImage \| DeleteImage \| DrawImage \| GetFreeImage \| GetImagePitch \| GetImagePtr \| LoadImage \| NewImage \| PrepareFXimage \| RenderToImage :