SDL_Utils Namespace Reference

Functions
void	draw_pixel (SDL_Surface *surface, int x, int y, float val, int col_map)
void	draw_pixel (SDL_Surface *surface, int x, int y, float ang, float mag, int col_map)

Function Documentation

draw_pixel() [1/2]

void SDL_Utils::draw_pixel	(	SDL_Surface *	surface,
		int	x,
		int	y,
		float	ang,
		float	mag,
		int	col_map
	)

Definition at line 105 of file GuiUtils.cpp.

    {
        tinycolormap::Color c = mag * tinycolormap::GetColor(ang, tinycolormap::ColormapType(col_map));
        Uint32 px = SDL_MapRGB(surface->format, (Uint8)(c.ri()), (Uint8)(c.gi()), (Uint8)(c.bi()));
        Uint32 *const target_pixel = (Uint32 *)((Uint8 *)surface->pixels + y * surface->pitch + x * surface->format->BytesPerPixel);
        *target_pixel = px;
    }

draw_pixel() [2/2]

void SDL_Utils::draw_pixel	(	SDL_Surface *	surface,
		int	x,
		int	y,
		float	val,
		int	col_map
	)

Definition at line 97 of file GuiUtils.cpp.

    {
        tinycolormap::Color c = tinycolormap::GetColor(val, tinycolormap::ColormapType(col_map));
        Uint32 px = SDL_MapRGB(surface->format, (Uint8)(c.ri()), (Uint8)(c.gi()), (Uint8)(c.bi()));
        Uint32 *const target_pixel = (Uint32 *)((Uint8 *)surface->pixels + y * surface->pitch + x * surface->format->BytesPerPixel);
        *target_pixel = px;
    }