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//
// DataImage routines.
//
// Copyright 2006 by Johannes Hofmann
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
#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();
}
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