OpFancy Beginner

  • Member since Apr 16th 2019
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  • OpFancy -

    Replied to the thread About GUI_PNG_Draw drawing a problem with transparent channel images.

    Post
    Quote from SEGGER - Schoenen: “Hi, I gave it a try, but on my end it looks good. Which version of emWin are you using? Ok, I got it, I didn't noticed that you were drawing the PNGs multiple times over each other. I was able to reproduce the behavior…
  • OpFancy -

    Posted the thread About GUI_PNG_Draw drawing a problem with transparent channel images.

    Thread
    Drawn using the GUI_PNG_Draw method, the transparent part of the image is actually not transparent,single-frame display is not very obvious, but multiple images with transparent parts are superimposed. Source Code (21 lines)
  • Can emWin achieve dynamic change of two layers (layer0/layer1) at the same time (1280*480)? Layer1 needs to use a memory device, but the part of the memory device I tested was not transparent.
  • OpFancy -

    Replied to the thread How to draw a smooth curve by point input.

    Post
    Quote from SEGGER - Schoenen: “Hi, Since version 5.44 of emWin it is possible to draw splines resulting in smooth curves. Here is a short example: C Source Code (80 lines)Regards, Sven ” Thank you. It solved my problem.
  • OpFancy -

    Posted the thread How to draw a smooth curve by point input.

    Thread
    I need to draw a curve according to the input point. Every time I input a point curve to the left, the GUI_AA_DrawLine method between the point and the point is used to draw a line, so the whole curve is not very smooth, not beautiful enough, I want to…