exrgbhsv man page on DragonFly
[printable version]
exrgbhsv(3) Allegro manual exrgbhsv(3)
NAME
exrgbhsv - RGB <-> HSV color space conversions. Allegro game program‐
ming library.
SYNOPSIS
#include <allegro.h>
Example exrgbhsv
DESCRIPTION
This program shows how to convert colors between the different color-
space representations. The central area of the screen will display the
current color. On the top left corner of the screen, three sliders
allow you to modify the red, green and blue value of the color. On the
bottom right corner of the screen, three sliders allow you to modify
the hue, saturation and value of the color. The color bars beneath the
sliders show what the resulting color will look like when the slider is
dragged to that position.
Additionally this example also shows how to "inherit" the behaviour of
a GUI object and extend it, here used to create the sliders.
SEE ALSO
BITMAP(3), DIALOG(3), END_OF_MAIN(3), PALETTE(3), RGB(3), RGB_MAP(3),
allegro_error(3), allegro_init(3), allegro_message(3),
clear_to_color(3), create_bitmap_ex(3), create_rgb_table(3), d_bit‐
map_proc(3), d_box_proc(3), d_slider_proc(3), d_text_proc(3),
destroy_bitmap(3), do_dialog(3), font(3), generate_332_palette(3),
get_color_depth(3), hsv_to_rgb(3), install_keyboard(3),
install_mouse(3), install_timer(3), key(3), makecol(3), makecol32(3),
makecol8(3), object_message(3), rgb_map(3), rgb_to_hsv(3), screen(3),
set_color(3), set_color_depth(3), set_gfx_mode(3), set_palette(3),
textout_ex(3), vline(3), vsync(3)
Allegro version 4.4.2 exrgbhsv(3)
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