How to flip QPainter y-axis?
Let’s learn how to flip QPainter y-axis. The most accurate or helpful solution is served by stackoverflow.com.
There are ten answers to this question.
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I'm using Qt 4.7 QPainter to draw some polygons, etc into a widget. I am hoping to alter the coordinate system so that (0,0) is at the center of my widget, and the x ...
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Other solutions
Answer:
The general rule for a rotation by 90 degrees about the origin is (A,B) to (-B, A).
Helen B. at ChaCha Mark as irrelevant Undo
Answer:
The math word is coordinate plane, a plane formed by the intersection of a horizontal number line with...
Anonymous at ChaCha Mark as irrelevant Undo
community wiki at wiki.answers.com Mark as irrelevant Undo
Answer:
When you reflect a point (x, y) across the y-axis, the result is the point (-x, y). Reflecting the point...
Anonymous at ChaCha Mark as irrelevant Undo
Answer:
To reflect an image over the y-axis we use the matrix [ -1, 0; 0, 1]. We take this matrix and multiply...
Rhonda O. at ChaCha Mark as irrelevant Undo
Yahoo! Answers Mark as irrelevant Undo
the websites are: wwicsgroup.com y-axis.com dolphineducon.com
Answer:
I read nothing but complaints against WWICS on-line. Both in India and Canada.....I would not use them...
Navin K at Yahoo! Answers Mark as irrelevant Undo
explain the process please...
Answer:
So the resultant is just the addition of those two vectors, right: 3i - 5j + 7k + 2i + 4j - 3k = 5i...
Shrey at Yahoo! Answers Mark as irrelevant Undo
ChaCha Mark as irrelevant Undo
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