summaryrefslogtreecommitdiffstats
path: root/kolourpaint/tools/kptoolpreviewdialog.h
diff options
context:
space:
mode:
Diffstat (limited to 'kolourpaint/tools/kptoolpreviewdialog.h')
-rw-r--r--kolourpaint/tools/kptoolpreviewdialog.h131
1 files changed, 131 insertions, 0 deletions
diff --git a/kolourpaint/tools/kptoolpreviewdialog.h b/kolourpaint/tools/kptoolpreviewdialog.h
new file mode 100644
index 00000000..35efdc38
--- /dev/null
+++ b/kolourpaint/tools/kptoolpreviewdialog.h
@@ -0,0 +1,131 @@
+
+/*
+ Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef __kp_tool_preview_dialog_h__
+#define __kp_tool_preview_dialog_h__
+
+
+#include <qpixmap.h>
+
+#include <kdialogbase.h>
+
+
+class QLabel;
+class QGridLayout;
+class QGroupBox;
+
+class kpDocument;
+class kpMainWindow;
+class kpResizeSignallingLabel;
+
+
+class kpToolPreviewDialog : public KDialogBase
+{
+Q_OBJECT
+
+public:
+ enum Features
+ {
+ Dimensions = 1, Preview = 2,
+ AllFeatures = Dimensions | Preview
+ };
+
+ // You must call slotUpdate() in your constructor
+ kpToolPreviewDialog (Features features,
+ bool reserveTopRow,
+ // e.g. "Skew (Image|Selection)"
+ const QString &caption,
+ // (in the Dimensions Group Box) e.g. "After Skew:"
+ const QString &afterActionText,
+ bool actOnSelection,
+ kpMainWindow *parent,
+ const char *name = 0);
+ virtual ~kpToolPreviewDialog ();
+
+private:
+ void createDimensionsGroupBox ();
+ void createPreviewGroupBox ();
+
+public:
+ virtual bool isNoOp () const = 0;
+
+protected:
+ kpDocument *document () const;
+
+ // All widgets must have mainWidget() as their parent
+ void addCustomWidgetToFront (QWidget *w); // see <reserveTopRow> in ctor
+ void addCustomWidget (QWidget *w);
+ void addCustomWidgetToBack (QWidget *w)
+ {
+ addCustomWidget (w);
+ }
+
+ virtual QSize newDimensions () const = 0;
+ virtual QPixmap transformPixmap (const QPixmap &pixmap,
+ int targetWidth, int targetHeight) const = 0;
+
+private:
+ void updateDimensions ();
+
+public:
+ static double aspectScale (int newWidth, int newHeight,
+ int oldWidth, int oldHeight);
+ static int scaleDimension (int dimension, double scale, int min, int max);
+
+private:
+ void updateShrukenDocumentPixmap ();
+
+protected slots:
+ void updatePreview ();
+
+ // Call this whenever a value (e.g. an angle) changes
+ // and the Dimensions & Preview need to be updated
+ virtual void slotUpdate ();
+
+ virtual void slotUpdateWithWaitCursor ();
+
+protected:
+ QString m_afterActionText;
+ bool m_actOnSelection;
+ kpMainWindow *m_mainWindow;
+
+ int m_oldWidth, m_oldHeight;
+
+ QGroupBox *m_dimensionsGroupBox;
+ QLabel *m_afterTransformDimensionsLabel;
+
+ QGroupBox *m_previewGroupBox;
+ kpResizeSignallingLabel *m_previewPixmapLabel;
+ QSize m_previewPixmapLabelSizeWhenUpdatedPixmap;
+ QPixmap m_shrunkenDocumentPixmap;
+
+ QGridLayout *m_gridLayout;
+ int m_gridNumRows;
+};
+
+
+#endif // __kp_tool_preview_dialog_h__