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//
// Copyright 2006-2009 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):
OutputImage(), Fl_Widget(X, Y, W, H) {
d = 3;
data = NULL;
}
PreviewOutputImage::~PreviewOutputImage() {
if (data)
free(data);
}
int
PreviewOutputImage::init_internal() {
data = (uchar*) malloc(W * H * d);
memset(data, 0, W * H * d);
size(W, H);
return 0;
}
int
PreviewOutputImage::set_pixel_internal(int x, int r, int g, int b) {
if (!data)
return 1;
long index = (line * w() * d + (x * d));
*(data+index+0) = (unsigned char) (r / 255);
*(data+index+1) = (unsigned char) (g / 255);
*(data+index+2) = (unsigned char) (b / 255);
return 0;
}
int
PreviewOutputImage::next_line_internal() {
if (line % 10 == 0) {
redraw();
Fl::check();
}
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();
}
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