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Questions tagged [timage]

TImage is a VCL component that allows one to output images.

133 questions
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Delphi Created Images are not displayed

I am trying to dynamiclly create a custom component with images and display them in a Grid , but the Images don't show up. Below is the code with omitted part of declarations , could someone help me and tell me what am I doint wrong ? Custom…
Karudi
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Although setting TImage::Picture = NULL won't cause a memory leak, what alternatives exist that might avoid that confusion?

Despite bummi's fine explanation of why Image1.Picture := nil won't cause a memory leak, I'm concerned that it may raise red-flags in the minds of new people reading my code, since its safety is counter-intuitive. Therefore, I'd like to avoid it. …
Pete
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Defining borders for image movement in Delphi

I need to move an image with along X-axis and, when it reaches defined borders, stop moving (I'm making my own trackbar). I can't find out how to define borders. With my code when it reaches border, it stucks there and unable to move. Here's the…
mcmillan
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Delphi 7 - how to create a component with Text on the center of Image

I have problem with creating a component. I want to have an image and simple label on the center of this image. It have to be a component because I will create it dynamically form the code. How to do this? I don't know how to merge two components…
Michał Kwiecień
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Can a TImage handle a 32bpp JPG Image?

For some reason, when I load a JPG image at design-time, the image shows as a grey scale image with vertical bars reminiscent of TV scan lines. and the image is not sized properly. The image is 500x364 32 bpp, and previews beautifully. Is there a…
Larry Hengen
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How to change picture delphi timage in run time

I use a timage in a form which load a background image. The problem is when i choose another picture in run time and change it by Img_Bk.Picture.LoadFromFile( SaveFileName ); It doesnt work (Picture did n't change ). I mean it shows previous…
Abl
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Can I retrieve Filename for TPicture directly?

I have a Delphi application which displays an image using a TImage. The location of the image is stored in a database and retrieved on load and set directly using code similar to…
Dan Kelly
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TImage delphi max width and height?

My code -> displaying waveform stereo .wav file max_l and max_r here is the highest value of the waveform in each channel. form2:= TForm2.Create(self); form2.Image1.Visible := true; form2.Image1.Width := numsamples; form2.Image1.Height := max_l…
Wawan Ma-chun
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Delphi XE3 Firemonkey Scrollable TImage

I have multiple GIFs I need to display at the same time. Current plan unless anyone can point me to a 'Gallery' type control is to place the TImages onto a scrollbox. However, I can't get the scroll box to scroll either vertically (for the multiple…
Martin Moore
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How do load an image into a 2D array element?

I'm currently doing my A-Level Computing project for which I am making my own version of the classic game Space Invaders. To create the wave of space invaders I want to use a 2D array of images, where the images are loaded from a disk and then…
user2180030
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TImage width / height anchor not working

I've got a TForm which has an Event FormResize, within that function I want to draw something within my TImage. My FormResize function looks like below void __fastcall TForm1::FormResize(TObject *Sender) { // Teken de blokjes …
Niels
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Delphi TBitmap code to Python PIL

I am trying to convert some Delphi code to Python PIL. The problem is two pronged. First, I'm not a Delphi programmer. Second, I haven't used PIL before today so I may have problems in either area. case PixelFormat of pf32bit: PixSize:=4; …
user1641230
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C++ access violation: TImage.Picture is null

I recently made some minor changes within my c++-builder-project-settings to distribute a built application, however now some kind of initialisation seems to be missing. Before I was using this (worked properly): TPngImage *img=new…
Julian
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Delphi - Want an automated way of maintaining the link between a "source" image file and images in my project

One thing I find Delphi doesn't manage well is the link between image "source" files and the image components in my project (D2006 here but I'm assuming it applies to all versions). Say I have various static images in my project - backgrounds,…
rossmcm
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Overcome TImage Control limitations

I am using TImage control inside TScrollBox control in Delphi 4. Here i am populating data in TImage control by increasing the height accordingly. My functionality is based on the mousedown event where i am using X, Y parameters to do some…
Dev
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