如何将Windows屏幕坐标转换为屏幕截图像​​素坐标?

问题描述

我需要在屏幕截图上找到一个控件.我有它的屏幕坐标.如何将它们转换为屏幕截图上的坐标?

I need to find a control on screenshot. I have its screen coordinates. How can I convert them to coordinates on screenshot?

推荐答案

这全部取决于屏幕截图的大小和当前分辨率的大小.

It all depends on the size of the screenshot and the size of your current resolution.

假设屏幕截图为800x600，但您当前的屏幕分辨率为1280x720.为了找出800x600图像上的X，Y位置，您需要对1280x720屏幕上X，Y的值进行标准化.

Let's say the screenshot is 800x600, but your current screen resolution is 1280x720. In order to find out the X,Y position on a 800x600 image, you need to normalize the values you have of X,Y on a 1280x720 screen.

normalized_x = (x * 800) / 1280;
normalized_y = (y * 600) / 720;

请注意，在800x600图像上，您要查找的对象也较小.所以:

Note that the object you are looking for is also smaller on a 800x600 image. So:

// w and h represents the size of the object at 1280x720
normalized_w = (w * 800) / 1280;
normalized_w = (h * 600) / 720;

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