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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| Implement your own filter | ||
| ------------------------- | ||
| In order develop your own filter, you have to create a class that inherits from BaseFilter and reimplement at least: | ||
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| public: | ||
| <Constructor>(QObject * parent = 0); | ||
| QString getIdentifier(); | ||
| QString getName(); | ||
| QMap<QString, QVariant> getSettings(); | ||
| void setSettings(QMap <QString, QVariant> settings); | ||
| protected: | ||
| void compute(); | ||
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| This class should provide a Widget that implements the AbstractFilterWidget. The inherited methods (getWidget) from | ||
| the BaseFilter don't need to be reimplemented in most cases. | ||
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| Each Filter should be placed somewhere appropiate under the filter folder. The name of the classes and files should | ||
| beginn with the filer name as in getIdentifier(). | ||
| If you create a new folder, don't forget to modifiy the INCLUDEPATH in yasw.pro. | ||
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| Have a look at the BaseFilter and the Rotation class (folder filter/rotation) for simple filter example. |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,50 @@ | ||
| /* | ||
| * Copyright (C) 2014 Robert Chéramy ([email protected]) | ||
| * | ||
| * This file is part of YASW (Yet Another Scan Wizard). | ||
| * | ||
| * YASW 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. | ||
| * | ||
| * YASW 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 YASW. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
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| #include "constants.h" | ||
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| QStringList Constants::displayUnits = QStringList() << "pixel" | ||
| << "milimeter" | ||
| << "inch"; | ||
| QStringList Constants::dpiList = QStringList() << "150" | ||
| << "300" | ||
| << "600"; | ||
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| qreal const Constants::milimeterPerInch = 25.4; // 1 inch = 25,4 mm | ||
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| QStringList Constants::horizontalAlignment = QStringList() << "Left" | ||
| << "Center" | ||
| << "Right"; | ||
| QStringList Constants::verticalAlignment = QStringList() << "Top" | ||
| << "Center" | ||
| << "Bottom"; | ||
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| QRegExp Constants::trailZero = QRegExp("0+$"); | ||
| QRegExp Constants::trailDot = QRegExp("\\.$"); | ||
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| QString Constants::float2String(qreal n, int precision) | ||
| { | ||
| QString str = QString::number(n, 'f', precision); | ||
| str.remove(trailZero); | ||
| str.remove(trailDot); | ||
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| return str; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /* | ||
| * Copyright (C) 2014 Robert Chéramy ([email protected]) | ||
| * | ||
| * This file is part of YASW (Yet Another Scan Wizard). | ||
| * | ||
| * YASW 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. | ||
| * | ||
| * YASW 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 YASW. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| #ifndef CONSTANTS_H | ||
| #define CONSTANTS_H | ||
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| #include <QStringList> | ||
| // QDebug included centraly, so that it can be commented out. | ||
| #include <QDebug> | ||
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| static const char VERSION[] = "0.6"; | ||
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| class Constants | ||
| { | ||
| public: | ||
| static QStringList displayUnits; | ||
| static QStringList dpiList; | ||
| static qreal const milimeterPerInch ; //= 25.4; | ||
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| static int const MIN_DPI = 10; | ||
| static int const DEFAULT_DPI = 300; | ||
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| // Constants for Layout Filter & Widget | ||
| enum horizintalAlignmentEnum {LeftHAlignment, CenterHAlignment, RightHAlignment}; | ||
| enum verticalAlignmentEnum {TopVAlignment, CenterVAlignment, BottomVAlignment}; | ||
| static QStringList horizontalAlignment; | ||
| static QStringList verticalAlignment; | ||
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| static QString float2String(qreal n, int precision = 2); | ||
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| private: | ||
| // Code optimisation: define these QRegExp once and loading a project is much faster. | ||
| static QRegExp trailZero; | ||
| static QRegExp trailDot; | ||
| }; | ||
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| #endif // CONSTANTS_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,6 @@ | ||
| /* | ||
| * Copyright (C) 2012 Robert Chéramy ([email protected]) | ||
| * Copyright (C) 2012-2014 Robert Chéramy ([email protected]) | ||
| * | ||
| * This file is part of YASW (Yet Another Scan Wizard). | ||
| * | ||
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@@ -18,29 +19,9 @@ | |
| */ | ||
| #include "abstractfilterwidget.h" | ||
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| /** \class FilterWidget | ||
| \brief An abstract class for all Filter Widgets. | ||
| NOTE: The class ist not really abstract anymore as is provides a basic implementation. | ||
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| This abstract class describes the members a Filter Widget must have. | ||
| It has to be inherited by all Filter Widgets. | ||
| */ | ||
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| AbstractFilterWidget::AbstractFilterWidget(QWidget *parent) : | ||
| QWidget(parent) | ||
| { | ||
| } | ||
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| /** \brief Sets the input pixmap | ||
| */ | ||
| void AbstractFilterWidget::setPixmap(QPixmap pixmap) | ||
| { | ||
| inputPixmap = pixmap; | ||
| } | ||
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| /** \brief Sets the filtered pixmap for preview */ | ||
| void AbstractFilterWidget::setPreview(QPixmap pixmap) | ||
| { | ||
| previewPixmap = pixmap; | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,5 @@ | ||
| /* | ||
| * Copyright (C) 2012 Robert Chéramy ([email protected]) | ||
| * Copyright (C) 2012-2014 Robert Chéramy ([email protected]) | ||
| * | ||
| * This file is part of YASW (Yet Another Scan Wizard). | ||
| * | ||
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@@ -21,17 +21,40 @@ | |
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| #include <QWidget> | ||
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| /* An abstract class for all Filter Widgets. | ||
| This abstract class describes the members a Filter Widget must have. | ||
| It has to be inherited by all Filter Widgets. | ||
| A Filter Widget must provide a way to | ||
| setPixmap - set the input image (for displaying it) | ||
| setPreview - set the output image (for previewing the result) | ||
| preview - inform if the preview is active | ||
| parameterChanged - inform if parameter have been changed in the widget | ||
| */ | ||
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| class AbstractFilterWidget : public QWidget | ||
| { | ||
| Q_OBJECT | ||
| public: | ||
| AbstractFilterWidget(QWidget *parent = 0); | ||
| //! \brief Sets the input pixmap | ||
| virtual void setPixmap(QPixmap pixmap); | ||
| //! \brief Sets the filtered pixmap for preview */ | ||
| virtual void setPreview(QPixmap pixmap); | ||
| // Sets the input pixmap | ||
| virtual void setPixmap(QPixmap pixmap) = 0; | ||
| // Sets the output pixmap for preview | ||
| virtual void setPreview(QPixmap pixmap) = 0; | ||
| // true if preview is active | ||
| virtual bool preview() = 0; | ||
| virtual void enableFilter(bool enable) = 0; | ||
| protected: | ||
| QPixmap inputPixmap; | ||
| QPixmap previewPixmap; | ||
| signals: | ||
| void parameterChanged(); | ||
| void enableFilterToggled(bool checked); | ||
| void previewChecked(); | ||
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| }; | ||
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| #endif // ABSTRACTFILTERWIDGET_H | ||
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