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59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
//
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// Created by Stepan Usatiuk on 27.07.2025.
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//
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#ifndef SUBSURFACE_HPP
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#define SUBSURFACE_HPP
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#include <memory>
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#include <type_traits>
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#include "Pixel.hpp"
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#include "StandardEvents.hpp"
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#include "Surface.hpp"
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#include "Window.hpp"
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#include "utils.hpp"
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template<typename SurfaceParent>
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class SubSurface : public Surface<SubSurface<SurfaceParent>, typename SurfaceParent::PixelType> {
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public:
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using PixelType = typename SurfaceParent::PixelType;
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SubSurface(SurfaceParent* parent) : _parent(parent) {}
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SubSurface(SubSurface<SurfaceParent>* parent) : _parent(parent->_parent) {}
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void draw_pixel_impl(unsigned x, unsigned y, const PixelType& pixel) {
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if (x >= _x_size || y >= _y_size) {
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assert(false);
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}
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_parent->draw_pixel(x + _x_offset, y + _y_offset, pixel);
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}
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unsigned get_x_offset() const { return _x_offset; }
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unsigned get_y_offset() const { return _y_offset; }
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unsigned get_width_impl() const { return _x_size; }
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unsigned get_height_impl() const { return _y_size; }
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void set_pos(unsigned x_offset, unsigned y_offset, unsigned x_size, unsigned y_size) {
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_x_offset = x_offset;
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_y_offset = y_offset;
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_x_size = x_size;
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_y_size = y_size;
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this->handle(SurfaceResizeEvent(x_size, y_size));
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}
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private:
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unsigned _x_offset = 0;
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unsigned _y_offset = 0;
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unsigned _x_size = 0;
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unsigned _y_size = 0;
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SurfaceParent* _parent;
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};
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#endif // SUBSURFACE_HPP
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