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/*
* Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LIBGFX_DRAW_H_
#define _LIBGFX_DRAW_H_
#include <stdint.h>
#include <libgfx/gfx.h>
/* Shape types */
#define SHAPE_SQUARE 0x00000000
/* Basic color defines */
#define GFX_BLACK 0x000000
#define GFX_RED 0xFF0000
#define GFX_GREEN 0x00FF00
#define GFX_BLUE 0x0000FF
#define GFX_WHITE 0xFFFFFF
#define GFX_PURPLE 0x800080
#define GFX_YELLOW 0xFFFF00
#define GFX_DARK 0x1D2021
#define GFX_AQUA 0x427B58
/*
* Default shape initializer, something that
* works and can be tweaked. The idea of this
* is so that shapes may be set up like so:
*
* --
* struct gfx_shape blah = GFX_SHAPE_DEFAULT;
*
* blah.width = width;
* blah.heiht = height;
* ...
* --
*/
#define GFX_SHAPE_DEFAULT \
{ \
.type = SHAPE_SQUARE, \
.color = 0x00FF00, \
.x = 0, \
.y = 0, \
.width = 50, \
.height = 50, \
}
/*
* Generic shape representation
*
* @type: Shape type (see SHAPE_*)
* @color: Color of the shape
* @x: X position of the shape
* @y: Y position of the shape
* @width: Shape width
* @height: Shape height
*/
struct gfx_shape {
uint32_t type;
color_t color;
scrpos_t x;
scrpos_t y;
dimm_t width;
dimm_t height;
};
/*
* A point or single pixel that
* may be plotted onto the screen.
*
* @x,y: Position of the point on the screen
* @rgb: Color of the point (RGB)
*/
struct gfx_point {
scrpos_t x, y;
color_t rgb;
};
/*
* Represents a rectangular region on
* the screen.
*
* @x,y: Position of this region on the screen
* @width: Region width
* @heght: Region height
*/
struct gfx_region {
scrpos_t x, y;
dimm_t width;
dimm_t height;
};
int gfx_draw_shape(struct gfx_ctx *ctx, const struct gfx_shape *shape);
int gfx_plot_point(struct gfx_ctx *ctx, const struct gfx_point *point);
int gfx_copy_region(struct gfx_ctx *ctx, struct gfx_region *r, scrpos_t x, scrpos_t y);
color_t gfx_get_pix(struct gfx_ctx *ctx, uint32_t x, uint32_t y);
__always_inline static inline size_t
gfx_io_index(struct gfx_ctx *ctx, scrpos_t x, scrpos_t y)
{
struct fbattr fbdev = ctx->fbdev;
return x + y * (fbdev.pitch / 4);
}
#endif /* !_LIBGFX_DRAW_H_ */
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