drawing.hpp

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/*--------------------------------------------------------------*
  Copyright (C) 2021 Rudy Castan
 
  This file is distributed WITHOUT ANY WARRANTY. See the file
  `License.md' for details.
*--------------------------------------------------------------*/
#pragma once
#include <doodle/color.hpp>
 
#include <doodle/image.hpp>
#include <string>
 
namespace doodle
{
    void clear_background() noexcept;
    void clear_background(HexColor color) noexcept;
    void clear_background(Color color) noexcept;
    void clear_background(double grey, double alpha = 255) noexcept;
    void clear_background(double red, double green, double blue, double alpha = 255) noexcept;
 
    void set_fill_color(HexColor color) noexcept;
    void set_fill_color(Color color) noexcept;
    void set_fill_color(double grey, double alpha = 255) noexcept;
    void set_fill_color(double red, double green, double blue, double alpha = 255) noexcept;
    void no_fill() noexcept;
    void set_outline_color(HexColor color) noexcept;
    void set_outline_color(Color color) noexcept;
    void set_outline_color(double grey, double alpha = 255) noexcept;
    void set_outline_color(double red, double green, double blue, double alpha = 255) noexcept;
    void no_outline();
    void draw_ellipse(double x, double y, double width, double height = 0) noexcept;
    void draw_line(double x1, double y1, double x2, double y2) noexcept;
    void draw_quad(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4) noexcept;
    void draw_rectangle(double x, double y, double width, double height = 0) noexcept;
    void draw_triangle(double x1, double y1, double x2, double y2, double x3, double y3) noexcept;
 
    enum class EllipseMode
    {
        Center,
        Corner
    };
    void set_ellipse_mode(EllipseMode mode) noexcept;
    enum class RectMode
    {
        Corner,
        Center
    };
    void set_rectangle_mode(RectMode mode) noexcept;
    enum class FrameOfReference
    {
        RightHanded_OriginCenter,
        RightHanded_OriginBottomLeft,
        LeftHanded_OriginTopLeft
    };
    void set_frame_of_reference(FrameOfReference frame_of_reference) noexcept;
    void smooth_drawing() noexcept;
    void no_smoothing() noexcept;
    void set_outline_width(double line_width) noexcept;
 
    void push_settings() noexcept;
    void pop_settings() noexcept;
    void draw_text(const std::wstring& str, double x, double y) noexcept;
    void draw_text(const std::string& str, double x, double y) noexcept;
    int create_distance_field_bitmap_font(const std::filesystem::path& fnt_filepath) noexcept;
    constexpr int DEFAULT_FONT_ID = 0;
    void set_font(int font_id) noexcept;
    void set_font_size(double font_size) noexcept;
    void set_font_fade_out_interval(double inside_distance, double outside_distance) noexcept;
    void set_font_backdrop_fade_out_interval(double inside_distance, double outside_distance) noexcept;
    void set_font_backdrop_offset(double texel_x, double texel_y) noexcept;
    Image capture_screenshot_to_image();
 
    Image capture_screenshot_to_image(int left_x, int bottom_y, int pixels_width, int pixels_height) noexcept;
 
    void draw_image(const Image& image, double x, double y) noexcept;
    void draw_image(const Image& image, double x, double y, double width, double height) noexcept;
    void draw_image(const Image& image, double x, double y, double width, double height, int texel_x,
                    int texel_y) noexcept;
    void draw_image(const Image& image, double x, double y, double width, double height, int texel_x, int texel_y,
                    int texel_width, int texel_height) noexcept;
    void set_tint_color(HexColor color) noexcept;
    void set_tint_color(Color color) noexcept;
    void set_tint_color(double grey, double alpha = 255) noexcept;
    void set_tint_color(double red, double green, double blue, double alpha = 255) noexcept;
    void no_tint() noexcept;
    void set_image_mode(RectMode mode) noexcept;
    void apply_scale(double scale) noexcept;
    void apply_scale(double scale_x, double scale_y) noexcept;
    void apply_rotate(double angle_in_radians) noexcept;
    void apply_translate(double translate_x, double translate_y) noexcept;
    void apply_matrix(double a, double b, double c, double d, double e, double f) noexcept;
 
    void begin_drawing_to_image(int image_width, int image_height, bool apply_antialiasing = true);
 
    Image end_drawing_to_image(bool smooth_texture = false);
 
}