Files
lcd-image-converter/classes/operations/imageresize.cpp
2017-12-20 13:21:44 +05:00

69 lines
2.1 KiB
C++

/*
* LCD Image Converter. Converts images and fonts for embedded applications.
* Copyright (C) 2016 riuson
* mailto: riuson@gmail.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/
*/
#include "imageresize.h"
#include "dialogcanvasresize.h"
#include "idocument.h"
#include "datacontainer.h"
#include "bitmaphelper.h"
namespace Operations
{
ImageResize::ImageResize(QWidget *parentWidget, QObject *parent)
: QObject(parent)
{
this->mParentWidget = parentWidget;
this->mLeft = 0;
this->mTop = 0;
this->mRight = 0;
this->mBottom = 0;
}
bool ImageResize::prepare(const Data::Containers::IDocument *doc, const QStringList &keys)
{
AppUI::CommonDialogs::DialogCanvasResize dialog(doc->dataContainer(), this->mParentWidget);
dialog.selectKeys(keys);
if (dialog.exec() == QDialog::Accepted) {
dialog.resizeInfo(&this->mLeft, &this->mTop, &this->mRight, &this->mBottom);
if (this->mLeft != 0 || this->mTop != 0 || this->mRight != 0 || this->mBottom != 0) {
return true;
}
}
return false;
}
void ImageResize::applyDocument(Data::Containers::IDocument *doc, const QStringList &keys)
{
Q_UNUSED(doc)
Q_UNUSED(keys)
}
void ImageResize::applyItem(Data::Containers::IDocument *doc, const QString &itemKey)
{
const QImage *original = doc->dataContainer()->image(itemKey);
QImage result = Parsing::Conversion::BitmapHelper::crop(original, this->mLeft, this->mTop, this->mRight, this->mBottom, Parsing::Conversion::BitmapHelper::detectBackgroundColor(original));
doc->dataContainer()->setImage(itemKey, &result);
}
}