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
|
//
// Copyright 2006 Johannes Hofmann <Johannes.Hofmann@gmx.de>
//
// This software may be used and distributed according to the terms
// of the GNU General Public License, incorporated herein by reference.
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <Fl/Fl.H>
#include <Fl/fl_draw.H>
#include "PreviewOutputImage.H"
PreviewOutputImage::PreviewOutputImage(int X, int Y, int W, int H): Fl_Widget(X, Y, W, H) {
d = 3;
data = NULL;
}
PreviewOutputImage::~PreviewOutputImage() {
if (data) {
free(data);
}
}
int
PreviewOutputImage::init_internal(int w, int h) {
data = (uchar*) malloc(w * h * d);
memset(data, 0, w * h * d);
size(w, h);
return 0;
}
int
PreviewOutputImage::set_pixel_internal(int x, char r, char g, char b) {
if (!data) {
return 1;
}
long index = (line * w() * d + (x * d));
*(data+index+0) = r;
*(data+index+1) = g;
*(data+index+2) = b;
return 0;
}
int
PreviewOutputImage::next_line_internal() {
if (line % 10 == 0) {
redraw();
Fl::check();
}
return 0;
}
int
PreviewOutputImage::done_internal() {
return 0;
}
void
PreviewOutputImage::draw() {
if (!data) {
return;
}
fl_push_clip(x(), y(), w(), h());
fl_draw_image(data, x(), y(), w(), h(), d);
fl_pop_clip();
}
|
