Re: save/load PNG in RVF problem

Author

Message

Sergey Tkachenko

Posted: 10/22/2004 10:51:15

Call RegisterClass(TPngObject) before the first RVF loading.

> hi

> I have some problems loading RVF content with PNG image embedded there.

> I used Editors\Editor2 (REditor.exe) demo to test.

> I added pngimage in the USES of Implementation section there.

> (Gustavo Huffenbacher Daud's TPngObject pngdelphi.sourceforge.net v.1.4361

> Delphi6)

> Drag'n'Drop of PNG image works fine. Save seems work fine as well.

> I see TPNGObject in the RVF file body.

> But when I try to load the RVF content from a saved file, the image is not

> drawn.

> The size of RVF file is a bit less then original PNG file.

> Content of TPNGObject in RVF file differs from original PNG

> though header is the same.

> When I tried JPEG instead of PNG, the content is exactly the same.

> What is the right way to save/load PNG in RVF ?

> I played with RVF options but no luck...

> Thanks in advance,

> Sergey