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some jpgs don't open & slow Stream to Raster [message #57654]

Thu, 11 November 2021 00:31

Mountacir
Messages: 45
Registered: November 2021

Member

Hi,

In the process of learning Ultimate++ I'm tying to make a small GUI tool to resize images. I studied the tutorials/examples and search the forum and managed to load the images I want to resize in ColumnList, but I have two problems so far:

1- Some .jpg images don't open even with the ImageView example, but they open fine with the TheIde & the IconDes including its Filesel Preview ( & its WhenIconLazy after i removed the .icon size restriction).

2- The images loading/showing is so slow, I think the bottleneck happens when the Stream is converted back to Image.

The code I come up with:


void imageresizer::openimages(){
	
	if(!fs.ExecuteOpen()) return;

	int fslen = fs.GetCount();

	
	work.Run([=] {

		for(int i =0; i < fslen ; i++) {
			
			String fn = fs[i];

			Image img = StreamRaster::LoadFileAny(fn);			

				GuiLock __;				
				
				if(IsNull(img)) {

					Exclamation(DeQtf(fn) + " not an image.");
					
				}
					
				else {
				
					ClmList.Add(i, img, true);

				}
		}

	});

}

I would appreciate any help or guidance.

Thanks you
Austin2029

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