Question

Display the dimensions of a picture painted into a picturebox

Asked by: ttobin333

Dear Experts,

I would like to display the dimensions in pixels of the picture I am painting into a picturebox as follows:

Picturebox1.paintpicture PictureBoxSource.picture, (picturebox1.scalewidth- targetW)/2, (picturebox1.scaleheight-targetH)/2,TargetW, TargetH

PicDim=Str(Round(Form1.scaleX(targetW, vbHiMetric,vbPixels))) + " x " +   Str(Round(Form1.scaleY(targetH, vbHiMetric,vbPixels)))

The picture does not fill the entire picturebox, and has a black "frame" around it.  I want to display only the dimensions of the actual picture, not including the frame. I am able to display the picture correctly but cannot get the correct dimensions. What am I doing wrong?

Thanks!

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Asked On
2009-10-19 at 15:07:27ID24825266
Tags

Vb6

,

graphics

,

picturebox

,

paintpicture

,

vbPixels

Topics

Graphics & Game Programming

,

Visual Basic Programming

Participating Experts
2
Points
500
Comments
3

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Answers

 

by: VBClassicGuyPosted on 2009-10-19 at 22:03:12ID: 25611169

PictureBoxes are laid out in twips. One twip = 15 pixels. Does that help? Maybe you can AutoSize the PictureBox (I can't remember off-hand if its the PictureBox or the Image control where autosizing is available). In any event, maybe you could manually size the box to the picture

By the way, an Image control takes less memory and resources than a PictureBox, and can have a transparent background to boot!

 

by: FER_GPosted on 2009-10-20 at 04:30:48ID: 25612922

To know the size of a image loaded into a pictureBox control, i use the next code snippet...

Regards...
FerG
--
Ing. Fernando D. Giletta
San Francisco. Córdoba. Argentina.

'if i only have to know the size....
Dim pic1 As IPictureDisp
Set pic1 = LoadPicture(imgPath)
With pic1
    widthIMG = ScaleX(.Width, vbHimetric, vbPixels)
    heightIMG = ScaleY(.Height, vbHimetric, vbPixels)
End With
 
Set pic1 = Nothing
'************************
'if i have to show the picture and know the actual size...
Set pic1.Picture = LoadPicture(txtIMAGEN.Text)
With pic1
    .BorderStyle = vbBSNone '0
    .AutoSize = True
 
    widthIMG = ScaleX(.Width, vbHimetric, vbPixels)
    heightIMG = ScaleY(.Height, vbHimetric, vbPixels)
End With

                                              
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by: ttobin333Posted on 2009-10-24 at 20:36:07ID: 31643153

Thanks!

20120131-EE-VQP-002

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