1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
{
Ported to FPC by Nikolay Nikolov (nickysn@users.sourceforge.net)
}
{
Clear example for OpenPTC 1.0 C++ implementation
Copyright (c) Glenn Fiedler (ptc@gaffer.org)
This source code is in the public domain
}
program ClearExample;
{$MODE objfpc}
uses
SysUtils, ptc;
var
console: IPTCConsole;
format: IPTCFormat;
surface: IPTCSurface;
width, height: Integer;
x, y: Integer;
size: Integer;
area: IPTCArea;
color: IPTCColor;
begin
try
{ create console }
console := TPTCConsoleFactory.CreateNew;
{ create format }
format := TPTCFormatFactory.CreateNew(32, $00FF0000, $0000FF00, $000000FF);
{ open the console }
console.open('Clear example', format);
{ create surface matching console dimensions }
surface := TPTCSurfaceFactory.CreateNew(console.width, console.height, format);
{ loop until a key is pressed }
while not console.KeyPressed do
begin
{ get surface dimensions }
width := surface.width;
height := surface.height;
{ get random position }
x := Random(width);
y := Random(height);
{ get random area size }
size := Random(width div 8);
{ setup clear area }
area := TPTCAreaFactory.CreateNew(x-size, y-size, x+size, y+size);
{ create random color }
color := TPTCColorFactory.CreateNew(Random, Random, Random);
{ clear surface area with color }
surface.clear(color, area);
{ copy to console }
surface.copy(console);
{ update console }
console.update;
end;
if Assigned(console) then
console.close;
except
on error: TPTCError do
{ report error }
error.report;
end;
end.
|
