From 732e18ac89479a9a789068b32145825bb0c98ba4 Mon Sep 17 00:00:00 2001 From: Johannes Hofmann Date: Wed, 2 Aug 2006 18:00:23 +0200 Subject: implement PreviewOutputImage --- src/PreviewOutputImage.cxx | 93 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 src/PreviewOutputImage.cxx (limited to 'src/PreviewOutputImage.cxx') diff --git a/src/PreviewOutputImage.cxx b/src/PreviewOutputImage.cxx new file mode 100644 index 0000000..ba86edc --- /dev/null +++ b/src/PreviewOutputImage.cxx @@ -0,0 +1,93 @@ +// +// 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 +#include +#include + +#include +#include + +#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); + row = 0; + size(w, h); + return 0; +} + + + +int +PreviewOutputImage::set_pixel_internal(int x, char r, char g, char b) { + if (!data) { + return 1; + } + + long index = (row * w() * d + (x * d)); + *(data+index+0) = r; + *(data+index+1) = g; + *(data+index+2) = b; + + return 0; +} + +int +PreviewOutputImage::next_line_internal() { + row++; + if (row % (h() / 100) == 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(); +} + -- cgit v1.2.3