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Topic: Transparent images in a dialogue box (Read 400 times) |
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JB91
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Transparent images in a dialogue box
« Thread started on: Mar 12th, 2017, 4:03pm » |
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Hello,
The main help documentation describes how to display a bitmap image in a dialogue box, however, it cannot seem to display images with a transparent background properly.
How could you adapt the code to display a transparent image?
Thanks,
Josh
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Richard Russell
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Re: Transparent images in a dialogue box
« Reply #1 on: Mar 12th, 2017, 5:42pm » |
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on Mar 12th, 2017, 4:03pm, JB91 wrote:| The main help documentation describes how to display a bitmap image in a dialogue box, however, it cannot seem to display images with a transparent background properly. |
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To do that you need to replace the .BMP image (which is opaque) with a .ICO image (which can have transparent regions). You also need to change the SS_BITMAP stylebit to SS_ICON, and change the first parameter of the STM_SETIMAGE message from IMAGE_BITMAP to IMAGE_ICON:
Code:LR_LOADFROMFILE = 16STM_SETIMAGE = 370IMAGE_ICON = 1SYS "LoadImage", 0, icofile$, IMAGE_ICON, cx%, cy%, LR_LOADFROMFILE TO hicon%SYS "SendDlgItemMessage", !dlg%, id%, STM_SETIMAGE, IMAGE_ICON, hicon%
This is very similar to the process for Displaying an icon on a pushbutton documented at the Wiki here.
Richard.
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JB91
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Re: Transparent images in a dialogue box
« Reply #2 on: Mar 13th, 2017, 11:54am » |
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Thank you, Richard. I converted the .bmp images to .ico and it works great!
Thanks,
Josh.
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