canvas.h

/*
 * Copyright (C) 2018 Microchip Technology Inc.  All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef EGT_CANVAS_H
#define EGT_CANVAS_H
 
#include <egt/detail/meta.h>
#include <egt/geometry.h>
#include <egt/types.h>
 
namespace egt
{
inline namespace v1
{
 
class EGT_API Canvas
{
public:
 
    explicit Canvas(const Size& size,
                    PixelFormat format = PixelFormat::argb8888) noexcept;
 
    explicit Canvas(const SizeF& size,
                    PixelFormat format = PixelFormat::argb8888) noexcept;
 
    explicit Canvas(const shared_cairo_surface_t& surface) noexcept;
 
    Canvas(const shared_cairo_surface_t& surface, PixelFormat format) noexcept;
 
    EGT_NODISCARD shared_cairo_t context() const { return m_cr; }
 
    EGT_NODISCARD shared_cairo_surface_t surface() const { return m_surface; }
 
    EGT_NODISCARD Size size() const;
 
    void reallocate(const Size& size, PixelFormat format = PixelFormat::argb8888);
 
    void reallocate(const SizeF& size, PixelFormat format = PixelFormat::argb8888);
 
    void zero();
 
    EGT_NODISCARD PixelFormat format() const;
 
    void copy(const shared_cairo_surface_t& surface);
 
    void copy(const shared_cairo_surface_t& surface, const RectF& rect);
 
protected:
 
    shared_cairo_surface_t m_surface;
 
    shared_cairo_t m_cr;
};
 
}
}
 
#endif