RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 21:47:46 +00:00
Code Issues Activity Actions

LibGfx: Teach AffineTransform how to rotate and multiply

Browse source
This commit is contained in:
Andreas Kling 2020-06-26 18:23:38 +02:00
parent ba76a72422
commit dc22e59a1a
2 changed files with 29 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

7
Libraries/LibGfx/AffineTransform.h
View file

@ -39,6 +39,11 @@ public:
{
}
AffineTransform(float a, float b, float c, float d, float e, float f)
: m_values { a, b, c, d, e, f }
{
}
bool is_identity() const;
void map(float unmapped_x, float unmapped_y, float& mapped_x, float& mapped_y) const;
@ -64,6 +69,8 @@ public:
AffineTransform& scale(float sx, float sy);
AffineTransform& translate(float tx, float ty);
AffineTransform& rotate_radians(float);
AffineTransform& multiply(const AffineTransform&);
private:
float m_values[6] { 0 };