wxWidgets Discussion Forum

Does it draw a line on yours? When I try it on mine it doesnt draw the red line.

build 2017-09-30, 18:21:54 wx3.0.3 (Linux, unicode) 64 bit

I tried that code but the line is still on top of the text instead of underneath

Thanks. I think I am getting closer. This code creates this but it is not drawing the red line for some reason. (the background is transparent) TestOutput.png wxBitmap bmp(463, 105, 32); bmp.LoadFile("Input.png"); wxMemoryDC memDC(bmp); memDC.SetBackground(*wxTRANSPARENT_BRUSH); memDC.SetBackgroundM...

Thank you for the reply. I thought I was doing that? Maybe LoadFile clears the mask out? wxBitmap bmp(463, 105, 32); wxMask *pmask = new wxMask(bmp, wxColour(255, 255, 255)); bmp.SetMask(pmask); bmp.LoadFile("Input.png"); edit: I tried the DrawBitmap function after DrawLine but it still did not work...

Here is the enlarged version of the ouput


Actual Output:
Target Output:

Hello, I am trying to draw in 'layers' but the code is not exactly doing what I intended. Here is the input to the program (always png/bmp) Input.png What I want it to do is draw the line BEHIND the text. I think the way I do this is with the following steps (I could be wrong) 1. Load the image (alw...

The problem is that the "standard" wxDC functions don't handle transparency too well. And drawing with a transparent brush is like a no-operation, it does nothing. You have to use wxGraphicsContext or wxGCDC for this. This sample code creates a transparent bitmap with a red rectangle in the middle:...

Thank you!!!

I seem to be going in circles here and I would greatly appreciate any help I can get. I have a date that comes in as "2019-05-16T09:30:00-04:00" as an example. (I wont know the timezone in advance) In the example above it is -4:00 from UTC 2019-05-16 09:30:00 - 04:00 According to this chart https://...

compiler tells me it is a std::shared_ptr<http_connection> self = shared_from_this(); it was actually taken from this example ( I wish i could convert that example without shared and lambdas but I have tried and failed) https://www.boost.org/doc/libs/1_69_0/libs/beast/example/http/server/small/http_...

Thank you for the reply. I tried this first and got hung up on this problem. I pass in a reference to 's' and it acts like it cant see s at all. I suspect this has something to do with lambda but I am not good with them at all. // Asynchronously receive a complete request message. void read_request(...

Hello, I have a dialog application that has a main thread and a second std:thread. The std::thread starts a http listener and has its own static class https://www.boost.org/doc/libs/1_69_0/libs/beast/example/http/server/small/http_server_small.cpp My question is, when a event fires inside the static...

Hello, I have an application that I want to have only one instance running. I have the following code that is able to detect the 2nd instance but I am having trouble passing the command line parameter from the second application to the first. #include <wx/snglinst.h> void Application_Dialog::OnInit(...

I already have wxLB_MULTIPLE and I CAN hold the ctl key down and select multiple items. My question is, how can I create this functionality WITHOUT having to hold ctl. Platform, wxWidgets version? With wxLB_MULTIPLE you should get the behavior you want. I checked with the "widgets" sample under Win...

Thank you for the reply however that does not really help me.

I already have wxLB_MULTIPLE and I CAN hold the ctl key down and select multiple items. My question is, how can I create this functionality WITHOUT having to hold ctl.