mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 23:50:19 +00:00
81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Forward.h>
|
|
#include <AK/LogStream.h>
|
|
#include <LibGfx/Forward.h>
|
|
|
|
namespace Gfx {
|
|
|
|
class AffineTransform {
|
|
public:
|
|
AffineTransform()
|
|
: m_values { 1, 0, 0, 1, 0, 0 }
|
|
{
|
|
}
|
|
|
|
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;
|
|
|
|
IntPoint map(const IntPoint&) const;
|
|
FloatPoint map(const FloatPoint&) const;
|
|
|
|
IntSize map(const IntSize&) const;
|
|
FloatSize map(const FloatSize&) const;
|
|
|
|
IntRect map(const IntRect&) const;
|
|
FloatRect map(const FloatRect&) const;
|
|
|
|
float a() const { return m_values[0]; }
|
|
float b() const { return m_values[1]; }
|
|
float c() const { return m_values[2]; }
|
|
float d() const { return m_values[3]; }
|
|
float e() const { return m_values[4]; }
|
|
float f() const { return m_values[5]; }
|
|
|
|
float x_scale() const;
|
|
float y_scale() const;
|
|
|
|
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 };
|
|
};
|
|
|
|
const LogStream& operator<<(const LogStream&, const AffineTransform&);
|
|
|
|
}
|