Mercurial > molko
view src/painter.h @ 28:783841af4033
core: implement painter API, closes #2451 @1h
author | David Demelier <markand@malikania.fr> |
---|---|
date | Mon, 13 Jan 2020 12:21:31 +0100 |
parents | |
children | 3996f873a54b |
line wrap: on
line source
/* * painter.h -- basic drawing routines * * Copyright (c) 2020 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef MOLKO_PAINTER_H #define MOLKO_PAINTER_H /** * \file painter.h * \brief Basic drawing routines. */ #include <stdbool.h> #include <stdint.h> struct texture; /** * Set the rendering context to the given texture. * * If texture is NULL, use default context aka the window. * * \param tex the texture */ void painter_use(struct texture *tex); /** * Get the current drawing color. * * \return the color in RRGGBBAA format */ uint32_t painter_get_color(void); /** * Set the rendering drawing color. * * \param color in RRGGBBAA format */ void painter_set_color(uint32_t color); /** * Draw a line. * * \param x1 first X coordinate * \param y1 first Y coordinate * \param x2 second X coordinate * \param y2 second Y coordinate */ void painter_draw_line(int x1, int y1, int x2, int y2); /** * Draw a pixel point. * * \param x the X coordinate * \param y the Y coordinate */ void painter_draw_point(int x, int y); /** * Draw a rectangle * * \param fill set to true to fill the rectangle * \param x the X coordinate * \param y the Y coordinate * \param w the rectangle width * \param h the rectangle height */ void painter_draw_rectangle(bool fill, int x, int y, unsigned w, unsigned h); /** * Clear the window. */ void painter_clear(void); /** * Present the window, only call this function one time in the main loop. */ void painter_present(void); #endif /* !MOLKO_PAINTER_H */