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199 lines
4.9 KiB
199 lines
4.9 KiB
/* ============================================================
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*
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* This file is a part of kipi-plugins project
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* http://www.kipi-plugins.org
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*
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* Date : 2003-10-22
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* Description : preview raw file widget used in single convert
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*
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* Copyright (C) 2003-2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
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* Copyright (C) 2006-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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// TQt includes.
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#include <tqpainter.h>
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#include <tqimage.h>
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#include <tqstring.h>
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#include <tqevent.h>
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#include <tqtimer.h>
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#include <tqfile.h>
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// KDE includes.
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#include <tdelocale.h>
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// Local includes.
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#include "previewwidget.h"
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#include "previewwidget.moc"
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namespace KIPIRawConverterPlugin
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{
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class PreviewWidgetPriv
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{
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public:
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PreviewWidgetPriv()
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{
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pix = 0;
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timer = 0;
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}
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TQPixmap *pix;
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TQPixmap preview;
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TQTimer *timer;
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TQString text;
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TQImage image;
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};
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PreviewWidget::PreviewWidget(TQWidget *parent)
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: TQFrame(parent, 0, TQt::WRepaintNoErase)
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{
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d = new PreviewWidgetPriv;
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setFrameStyle(TQFrame::GroupBoxPanel|TQFrame::Plain);
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setMargin(0);
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setLineWidth(1);
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setMinimumSize(TQSize(400, 300));
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setSizePolicy(TQSizePolicy::Expanding, TQSizePolicy::Expanding);
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d->pix = new TQPixmap(400, 300);
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d->pix->fill(TQt::black);
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d->timer = new TQTimer(this);
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connect(d->timer, TQ_SIGNAL(timeout()),
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this, TQ_SLOT(slotResize()));
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}
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PreviewWidget::~PreviewWidget()
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{
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delete d;
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}
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void PreviewWidget::load(const TQString& file)
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{
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d->text = "";
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d->pix->fill(TQt::black);
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d->image.load(file);
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if (!d->image.isNull())
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{
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TQImage img = d->image.scale(width(),height(),TQImage::ScaleMin);
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int x = d->pix->width()/2 - img.width()/2;
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int y = d->pix->height()/2 - img.height()/2;
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TQPainter p(d->pix);
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p.drawImage(x, y, img);
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p.setPen(TQPen(TQt::white));
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p.drawRect(x,y,img.width(),img.height());
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p.end();
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}
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else
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{
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setInfo(i18n( "Failed to load image after processing" ));
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return;
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}
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update();
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}
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void PreviewWidget::setInfo(const TQString& text, const TQColor& color, const TQPixmap& preview)
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{
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d->text = text;
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d->preview = preview;
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d->pix->fill(TQt::black);
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TQPainter p(d->pix);
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p.setPen(TQPen(color));
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if (!d->preview.isNull())
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{
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p.drawPixmap(d->pix->width()/2-d->preview.width()/2, d->pix->height()/4-d->preview.height()/2,
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d->preview, 0, 0, d->preview.width(), d->preview.height());
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p.drawText(0, d->pix->height()/2, d->pix->width(), d->pix->height()/2,
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TQt::AlignCenter|TQt::WordBreak, d->text);
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}
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else
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{
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p.drawText(0, 0, d->pix->width(), d->pix->height(),
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TQt::AlignCenter|TQt::WordBreak, d->text);
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}
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p.end();
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update();
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}
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void PreviewWidget::paintEvent(TQPaintEvent *e)
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{
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TQRect r(e->rect());
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bitBlt(this, r.topLeft(), d->pix, r, TQt::CopyROP);
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}
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void PreviewWidget::resizeEvent(TQResizeEvent*)
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{
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d->timer->start(10,true);
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}
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void PreviewWidget::slotResize()
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{
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if (d->timer->isActive()) return;
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d->pix->resize(width(),height());
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d->pix->fill(TQt::black);
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if (!d->text.isEmpty())
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{
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TQPainter p(d->pix);
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p.setPen(TQPen(TQt::white));
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if (!d->preview.isNull())
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{
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p.drawPixmap(d->pix->width()/2-d->preview.width()/2, d->pix->height()/4-d->preview.height()/2,
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d->preview, 0, 0, d->preview.width(), d->preview.height());
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p.drawText(0, d->pix->height()/2, d->pix->width(), d->pix->height()/2,
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TQt::AlignCenter|TQt::WordBreak, d->text);
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}
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else
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{
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p.drawText(0, 0, d->pix->width(), d->pix->height(),
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TQt::AlignCenter|TQt::WordBreak, d->text);
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}
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p.end();
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}
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else
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{
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if (!d->image.isNull())
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{
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TQImage img = d->image.scale(width(),height(), TQImage::ScaleMin);
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int x = d->pix->width()/2 - img.width()/2;
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int y = d->pix->height()/2 - img.height()/2;
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TQPainter p(d->pix);
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p.drawImage(x, y, img);
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p.setPen(TQPen(TQt::white));
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p.drawRect(x,y,img.width(),img.height());
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p.end();
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}
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}
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update();
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}
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} // NameSpace KIPIRawConverterPlugin
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