draw.cpp File Reference

#include "draw.h"
#include <stdlib.h>
#include <math.h>
#include "_fastcpy.h"
#include <string.h>

Include dependency graph for draw.cpp:

Macros
#define	sign(x)   ((x < 0) ? -1 : ((x > 0) ? 1 : 0))

Functions
void	ChDrawRect (ChCanvas *canvas, unsigned x, unsigned y, unsigned w, unsigned h, uint32_t col)
void	ChDrawRectClipped (ChCanvas *canv, unsigned x, unsigned y, unsigned w, unsigned h, ChRect *clip, uint32_t col)
void	ChDrawVerticalLine (ChCanvas *canv, unsigned x, unsigned y, unsigned len, uint32_t col)
void	ChDrawHorizontalLine (ChCanvas *canv, unsigned x, unsigned y, unsigned len, uint32_t col)
void	ChDrawRectUnfilled (ChCanvas *canv, unsigned x, unsigned y, unsigned w, unsigned h, uint32_t color)
void	ChDrawRectUnfilledClipped (ChCanvas *canv, unsigned x, unsigned y, unsigned w, unsigned h, ChRect *clip, uint32_t col)
void	ChDrawFilledCircle (ChCanvas *canv, int x, int y, int radius, uint32_t fill_col)
void	ChDrawLine (ChCanvas *canv, int x1, int y1, int x2, int y2, uint32_t color)
void	ChDrawCircleUnfilled (ChCanvas *canvas, int x, int y, int radius, uint32_t color)
void	ChDrawFilledCircleAA (ChCanvas *canv, int cx, int cy, int radius, uint32_t color)
void	ChDrawCapsule (ChCanvas *canv, int x, int y, int width, int height, uint32_t color)
void	ChDrawBoxBlur (ChCanvas *canv, uint32_t *inputBuf, uint32_t *outputBuf, int cx, int cy, int w, int h)

Macro Definition Documentation

sign

#define sign

(

x

)

((x < 0) ? -1 : ((x > 0) ? 1 : 0))

BSD 2-Clause License

Copyright (c) 2022-2023, Manas Kamal Choudhury 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.

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 HOLDER 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.

Function Documentation

ChDrawBoxBlur()

void ChDrawBoxBlur	(	ChCanvas *	canv,
		uint32_t *	inputBuf,
		uint32_t *	outputBuf,
		int	cx,
		int	cy,
		int	w,
		int	h
	)

acrylic_box_blur – Adds box blur filter to a given image using 3x3 matrix kernel

Parameters

canvas	– current canvas where to draw
input	– input image buffer
output	– output image buffer
cx	– current x position to focus
cy	– current y position to focus
w	– box boundary width
h	– box boundary height

ChDrawCapsule()

void ChDrawCapsule	(	ChCanvas *	canv,
		int	x,
		int	y,
		int	width,
		int	height,
		uint32_t	color
	)

ChDrawCircleUnfilled()

void ChDrawCircleUnfilled	(	ChCanvas *	canvas,
		int	x,
		int	y,
		int	radius,
		uint32_t	color
	)

ChDrawFilledCircle()

void ChDrawFilledCircle	(	ChCanvas *	canv,
		int	x,
		int	y,
		int	radius,
		uint32_t	fill_col
	)

ChDrawFilledCircleAA()

void ChDrawFilledCircleAA	(	ChCanvas *	canv,
		int	cx,
		int	cy,
		int	radius,
		uint32_t	color
	)

ChDrawHorizontalLine()

void ChDrawHorizontalLine	(	ChCanvas *	canv,
		unsigned	x,
		unsigned	y,
		unsigned	len,
		uint32_t	col
	)

ChDrawLine()

void ChDrawLine	(	ChCanvas *	canv,
		int	x1,
		int	y1,
		int	x2,
		int	y2,
		uint32_t	color
	)

ChDrawRect()

void ChDrawRect	(	ChCanvas *	canvas,
		unsigned	x,
		unsigned	y,
		unsigned	w,
		unsigned	h,
		uint32_t	col
	)

ChDrawRectClipped()

void ChDrawRectClipped	(	ChCanvas *	canv,
		unsigned	x,
		unsigned	y,
		unsigned	w,
		unsigned	h,
		ChRect *	clip,
		uint32_t	col
	)

ChDrawRectUnfilled()

void ChDrawRectUnfilled	(	ChCanvas *	canv,
		unsigned	x,
		unsigned	y,
		unsigned	w,
		unsigned	h,
		uint32_t	color
	)

ChDrawRectUnfilledClipped()

void ChDrawRectUnfilledClipped	(	ChCanvas *	canv,
		unsigned	x,
		unsigned	y,
		unsigned	w,
		unsigned	h,
		ChRect *	clip,
		uint32_t	col
	)

ChDrawVerticalLine()

void ChDrawVerticalLine	(	ChCanvas *	canv,
		unsigned	x,
		unsigned	y,
		unsigned	len,
		uint32_t	col
	)