Displaying images in a DW (Getting image dimensions)
PB9.0 Hi all. Can some one help me with the following please: - I want to display an image in a dw. The user types the path and name of the file to be displayed in a text box. I then need to display this in the image object in the DW (this I can do), the problem is the image is being distorted based on the sixe of the image object. How do I get the dimensions of the actual image (could be a bmp, gif or jpg file) so I can set the image object size just prior to loading ? Thanks
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Davie
12/13/2004 2:12:12 PM
sybase.powerbuilder.general
62418 articles. 
19 followers.
6 Replies
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You could purchase a 3rd party DLL that has functionality to read the file's dimensions. A cheaper but conceptual not so nice solution is to open a hidden window with a picture control on it. read the file into a blob and call SetPicture( blob ). Next you can read the control's dimensions. HTH Arnoud <Davie> wrote in message news:41bda33c.2cd8.1681692777@sybase.com... > PB9.0 > Hi all. > Can some one help me with the following please: - > I want to display an image in a dw. > The user types the path and name of the file to be displayed > in a text box. I then need to display this in the image > object in the DW (this I can do), the problem is the image > is being distorted based on the sixe of the image object. > How do I get the dimensions of the actual image (could be a > bmp, gif or jpg file) so I can set the image object size > just prior to loading ? > > Thanks
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Arnoud
12/13/2004 2:42:54 PM
Davie suggested that: > PB9.0 > Hi all. > Can some one help me with the following please: - > I want to display an image in a dw. > The user types the path and name of the file to be displayed > in a text box. I then need to display this in the image > object in the DW (this I can do), the problem is the image > is being distorted based on the sixe of the image object. > How do I get the dimensions of the actual image (could be a > bmp, gif or jpg file) so I can set the image object size > just prior to loading ? This link may help you out: http://groups.google.ca/groups?hl=en&lr=&threadm=40bc91de%241%40forums-2-dub&rnum=1&prev=/groups%3Fq%3Dimage%2Bsize%2Bphil%26hl%3Den%26lr%3D%26group%3Dsybase.public.*%26selm%3D40bc91de%25241%2540forums-2-dub%26rnum%3D1
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Spidey
12/13/2004 2:56:01 PM
Try using the dimensions of an actual picture control to help you. dw_1.object.p_1.filename = ls_image //p_1 is a picture control outside of your datawindow on the window p_1.SetReDraw(FALSE) p_1.PictureName = ls_image p_1.originalsize = TRUE p_1.SetReDraw(TRUE) dw_1.object.p_1.width = p_1.width dw_1.object.p_1.height = p_1.height I hope this helps, Brad Davie wrote: > PB9.0 > Hi all. > Can some one help me with the following please: - > I want to display an image in a dw. > The user types the path and name of the file to be displayed > in a text box. I then need to display this in the image > object in the DW (this I can do), the problem is the image > is being distorted based on the sixe of the image object. > How do I get the dimensions of the actual image (could be a > bmp, gif or jpg file) so I can set the image object size > just prior to loading ? > > Thanks
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Brad
12/13/2004 3:21:52 PM
I have used a free api called GFL. Check it out at http://www.xnview.com/ The tool is very solid. I have supplied them with a PB example. HTH -- PB9.01.7236 Thank you, R.Chauvin <Davie> wrote in message news:41bda33c.2cd8.1681692777@sybase.com... > PB9.0 > Hi all. > Can some one help me with the following please: - > I want to display an image in a dw. > The user types the path and name of the file to be displayed > in a text box. I then need to display this in the image > object in the DW (this I can do), the problem is the image > is being distorted based on the sixe of the image object. > How do I get the dimensions of the actual image (could be a > bmp, gif or jpg file) so I can set the image object size > just prior to loading ? > > Thanks
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Bob
12/13/2004 6:53:35 PM
Ok, thanks guys. The code you supplied is pretty much what I came up with, but it is good to know I was on the right track. Cheers Davie > I have used a free api called GFL. Check it out at > http://www.xnview.com/ > > The tool is very solid. I have supplied them with a PB > example. > > HTH > > -- > PB9.01.7236 > Thank you, > > R.Chauvin > <Davie> wrote in message > > news:41bda33c.2cd8.1681692777@sybase.com... PB9.0 > > Hi all. > > Can some one help me with the following please: - > > I want to display an image in a dw. > > The user types the path and name of the file to be > > displayed in a text box. I then need to display this in > > the image object in the DW (this I can do), the problem > > is the image is being distorted based on the sixe of the > > image object. How do I get the dimensions of the actual > > image (could be a bmp, gif or jpg file) so I can set the > > image object size just prior to loading ? > > > > Thanks > >
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Davie
12/14/2004 8:28:18 AM
Bob Chauvin ( Paix dehors ) suggested that: > I have used a free api called GFL. Check it out at http://www.xnview.com/ > > The tool is very solid. I have supplied them with a PB example. > > HTH Bob, thanks for the link, this is a nice API to images. Any chance you could throw you code up on codeExchange?
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Spidey
12/14/2004 3:28:43 PM
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Hi I currently have something like the following: <asp:HyperLink ID="HyperLink" runat="server" ImageUrl='<%# Eval("filePath1") %>' NavigateUrl='<%# Eval("filePath1") %>' Visible='<%# !String.IsNullOrEmpty(Eval("filePath1","")) %>'></asp:HyperLink> it displays the image pulled back from the db or it displays nothing if it does not exist (sets visible to false)I would like it to display a custom image I have made instead of no image at a...
dont display image icon if image not there
i am displaying search results in DetailsView. my database have images, but not in all records. so if there is no image path in the field then image icon should not display on the page. either image should display on the page or no icon of image should display. thanks for spending ur valuable time for me Conditionally showing an image, or other control: http://www.mikesdotnetting.com/Article.aspx?ArticleID=18Regards Mike [MVP - ASP/ASP.NET]My site How about something like this: <asp:detailsview> <fields> <asp:templatefield> <it...
Display image in image control from database?
Im looking for how to load an image in a database into an asp.net image control. I would like to be able to display images with assocated image captions in a page stored in a database. Samples I have found only deal with writing out the binary data directly into the page. Does anyone have a link on how to associate that image data in the database with an image control on the page? Have a look at this control in the control Gallery. Should do what you want.JamesMy Blog: http://www.wintersfamily.plus.com/blogs/JamesWinters I found a few articles on this such as, http://blogs.ww...
How to display a jpg image in Image Control
I have Image control on a web form and i was a write a following code for displaying image in image control. but it does not display image in image control at runtime. Image1.ImageUrl = "c:\My Documents\IMG_0510.jpg" I got the solution just one change in code of replacing forward slash to backward slash Image1.ImageUrl = "c:/My Documents/IMG_0510.jpg" I would like to suggest you that don't use the physical path for display image in image control. So you can use like that:-If you are using Runat = "server" control so you can use this one....
Web resources about - Displaying images in a DW (Getting image dimensions) - sybase.powerbuilder.general
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