LexaGb Beginner

  • Member since May 25th 2018
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  • LexaGb -

    Replied to the thread Rotate image.

    Post
    Hello, with regard to ready-made API in emWin you can only rotate content of memory devices. These are memory areas where you can draw or copy any graphics including images. See chapter "Memory Devices" in the manual and description of the
  • LexaGb -

    Replied to the thread Degree symbol in GUI Builder.

    Post
    Hello, there is only support of the base ASCII set in text editable parameters of the widgets in GUIBuilder. The only thing you can do is generate the degree symbol as '°' in a text editor with extended symbols support (for example, in Word) and then…
  • LexaGb -

    Replied to the thread GRAPH - vertical rescale - how to?.

    Post
    Hello, suppose there is no way to replace data in the current data handle. I'd do something like this: 1. Clear the graph from current data curve with GRAPH_DetachData(). 2. Delete and create a new data handler with the same handle variable using
  • LexaGb -

    Replied to the thread Problem with memory device in emwin with ST7735.

    Post
    Hello, if you're using only internal ram for keeping emwin pool and frame buffer I think it is too few for memory devices. Display driver just does data exchange with st7735. Memory size depends on color configuration you're using. For example, if…
  • LexaGb -

    Replied to the thread BUTTON - wrapped text.

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  • LexaGb -

    Replied to the thread LISTBOX - Is there a way to display two-lined item.

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    Upd: you can do a little easier: set multilined string when call API function: LISTBOX_AddString(hLstbx, "Two lined\nitem 3"); and then handle only command WIDGET_ITEM_GET_YSIZE in your owner draw function to change the ysize of the item. Alex.…
  • LexaGb -

    Replied to the thread LISTBOX - Is there a way to display two-lined item.

    Post
    Hello, there is no difference how you are doing: whether you create a widget from resource table or create it manually. Resource table just calls the same creating API function with some basic parameters of a widget. So there is no configuration to do…
  • LexaGb -

    Replied to the thread LISTBOX - Is there a way to display two-lined item.

    Post
    Hello, it is possible with using owner draw function where you can display multilined strings at dedicated item. C Source Code (72 lines)Alex.