I have a bitmap image in an image control I need to draw a red line on the bitmap eac开发者_JAVA百科h time I click with the mouse onto it, at the place where I clicked the mouse.
I\'m writting small application to draw diagrams and I need to find points to draw bezier cu开发者_运维百科rve between two elements.
How to set Z-Index for a drawing object when us开发者_如何学Pythoning DrawingContext.DrawXXX() methods?The object that was drawn last will have a higher Z index. You can\'t change index of an already
I am working on a Windows application for one customer. He wants to be able to enter the height, width and the length of a cardboard box, and then have the application automatically draw the cardboar
How could I highlight a given color in C#. The user selects an arbitrary color for the objects I\'m displaying. When I select the objects I would like to highlight them.
Suppose I have a series of black and white images, NOT grayscale.I\'m trying to calculate an average of all images.I have some sample code that should work but I\'m wondering if there is a better way?
I am learning Qt, and I want to draw lines randomly on a widget and keep appending the new lines. The code below draws a random line in the paintEvent whenever an update is called on the widget, but h
I have a component, an inherited Panel, where I am overriding the OnPaint event to draw a graph with 500 points. Since I need to do some selection on the graph, it is flickering. I have found this Dou
I am drawing some text and images to a view in the \"DrawRect\" method. I wish to understand : does my drawings are separated objects?
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