TImage is a VCL component that allows one to output images.
Questions tagged [timage]
126 questions
5
votes
1 answer
How I can load a Png image from file which have another extension?
I'm using a TImage component to load some png images, but some of them have the .imp extension. I add the Vcl.Imaging.pngimage unit to my code and I'm using this code to load the images
if OpenDialog1.Execute then
…
Salvador
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4
votes
1 answer
DrawFocusRect with given aspect ratio in Delphi
I want to be able to draw a FocusRect on an image, which keeps the aspect ratio of the image. My problem is, that the FocusRect only depends on the y coordinates of the mouse. I just don't know how to let the rectangle depent on both mouse…
Henry
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4
votes
5 answers
How can I display a transparent PNG on Delphi 2007?
The TImage control doesn't support PNG. Is there some third party component that will?
cfischer
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4
votes
1 answer
Delphi 6 : How can I display large size high quality Text via the TextOut() method?
I have a TImage component that I print a Text string to using TCanvas.TextOut(). I set the height and width of the TImage to a large size like 50 pixels X (TextWidth) pixels, and set the Canvas font Height to something a little smaller like 48…
Robert Oschler
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4
votes
3 answers
Timage Transparencies on laptops in Delphi 7
WHAT I AM TRYING TO DO
I am trying to draw multiple graphics to a Timage, These graphics that i Draw consist of ordered layers with Foodfills and lines.
I use multiple buffers to ensure ordering and double buffering.
WHAT I AM DOING
procedure…
Arthur
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4
votes
1 answer
Zoom image using delphi
I am working with delphi. I have TImage, to which I assign a bitmap.
imgmain.Picture.Bitmap := bmpMain;
imgmain.Picture.Bitmap.PixelFormat := pf24bit;
imgmain is object of TImage and bmpMain is object of TBitmap
I want to zoom my image. I have…
Himadri
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4
votes
3 answers
How to test if a TImage has a graphic assigned to it?
There's a TImage component on a form in my program.
In some situation, the program must test:
If "there is an image assigned to the picture property of the TImage component" then ...
How can I do this?
Raphael
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4
votes
2 answers
How to draw on the entire area of a resized TImage in Delphi?
I've narrowed a problem I have drawing on TImage.Canvas in Delphi 2009 down to the following reproducible case:
Given: a form, a TImage, TLabel and TButton on it. The TImage is anchored to all four edges so that resizing the form will resize the…
PhiS
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4
votes
2 answers
Delphi: creating & displaying TImage on FormCreate
Being quite a newbie, I've just had my first question answered (Delphi: TImage.Create causes Access violation) to immediately bump into a new problem:
procedure TSelectorForm.FormCreate(Sender: TObject);
var
Loop: Byte;
begin
for Loop := 1 to 10…
Mikhail
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4
votes
1 answer
Display JPEG, fit an image larger than the control so it just exactly fits in the Timage control bounds
If I load an image from a file like this Image1.Picture.LoadFromFile(imagePath); and the JPEG I load is bigger than Image1 which is a TImage - how do I scale it to fit?
Mawg says reinstate Monica
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3
votes
1 answer
Transparency in TImage
When a new TImage is created it is transparent. After drawing objects to this image I would like to clear them. Note that I need to keep the image transparent as the TImage is being used as an overlay to another image.
Some sort of "clear" function…
Arthur
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3
votes
0 answers
How send correctly mouse coordinates inside TImage component to Android Path.moveTo() and Path.lineTo() methods?
I found a android code that your goal is simulates an L-shaped drag path: 200 pixels right, then 200 pixels down. These values was predefined on code, how this could be achieved using the mouse coordinates of a TImage component and your events…
BrowJr
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3
votes
1 answer
Why doesn't this D2006 code to fade a PNG Image work?
This question springs from an earlier one. Most of the code is from suggested answers that probably worked in later versions of Delphi. In D2006 I don't get the full range of opacity, and the transparent part of the image shows as white.
Image…
rossmcm
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3
votes
1 answer
How to display a TImage as a background of a TGrid on Firemonkey?
I have a TGrid on a form.
I need to display a TImage inside that grid, as it´s background.
I know that in Firemonkey framework, controls are containers to other controls. Having that in mind, I dragged the TImage Object to the TGrid Obect using the…
Leonardo
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3
votes
1 answer
delphi 7 TImage and TImageList
let i be integer private
the code
procedure TForm1.Image1Click(Sender: TObject);
begin
inc(i);
ImageList1.GetIcon(i mod 4,Image1.Picture.Icon);
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
i:=0;
ImageList1.GetIcon(i mod…
none
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