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+
+/*
+ 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_DOCUMENT_H
+#define KP_DOCUMENT_H
+
+#include <qbitmap.h>
+#include <qobject.h>
+#include <qstring.h>
+
+#include <kurl.h>
+
+#include <kppixmapfx.h>
+
+
+class QImage;
+class QIODevice;
+class QPixmap;
+class QPoint;
+class QRect;
+class QSize;
+
+class kpColor;
+class kpDocumentSaveOptions;
+class kpDocumentMetaInfo;
+class kpMainWindow;
+class kpSelection;
+
+
+class kpDocument : public QObject
+{
+Q_OBJECT
+
+public:
+ kpDocument (int w, int h, kpMainWindow *mainWindow);
+ ~kpDocument ();
+
+ kpMainWindow *mainWindow () const;
+ void setMainWindow (kpMainWindow *mainWindow);
+
+
+ /*
+ * File I/O
+ */
+
+ // Wraps kpPixmapFX::convertToPixmapAsLosslessAsPossible() but also
+ // returns document meta information.
+ static QPixmap convertToPixmapAsLosslessAsPossible (
+ const QImage &image,
+ const kpPixmapFX::WarnAboutLossInfo &wali = kpPixmapFX::WarnAboutLossInfo (),
+ kpDocumentSaveOptions *saveOptions = 0,
+ kpDocumentMetaInfo *metaInfo = 0);
+
+ static QPixmap getPixmapFromFile (const KURL &url, bool suppressDoesntExistDialog,
+ QWidget *parent,
+ kpDocumentSaveOptions *saveOptions = 0,
+ kpDocumentMetaInfo *metaInfo = 0);
+ // TODO: fix: open*() should only be called once.
+ // Create a new kpDocument() if you want to open again.
+ void openNew (const KURL &url);
+ bool open (const KURL &url, bool newDocSameNameIfNotExist = false);
+
+ static bool lossyPromptContinue (const QPixmap &pixmap,
+ const kpDocumentSaveOptions &saveOptions,
+ QWidget *parent);
+ static bool savePixmapToDevice (const QPixmap &pixmap,
+ QIODevice *device,
+ const kpDocumentSaveOptions &saveOptions,
+ const kpDocumentMetaInfo &metaInfo,
+ bool lossyPrompt,
+ QWidget *parent,
+ bool *userCancelled = 0);
+ static bool savePixmapToFile (const QPixmap &pixmap,
+ const KURL &url,
+ const kpDocumentSaveOptions &saveOptions,
+ const kpDocumentMetaInfo &metaInfo,
+ bool overwritePrompt,
+ bool lossyPrompt,
+ QWidget *parent);
+ bool save (bool overwritePrompt = false, bool lossyPrompt = false);
+ bool saveAs (const KURL &url,
+ const kpDocumentSaveOptions &saveOptions,
+ bool overwritePrompt = true,
+ bool lossyPrompt = true);
+
+ // Returns whether save() or saveAs() have ever been called and returned true
+ bool savedAtLeastOnceBefore () const;
+
+ KURL url () const;
+ void setURL (const KURL &url, bool isFromURL);
+
+ // Returns whether the document's pixmap was successfully opened from
+ // or saved to the URL returned by url(). This is not true for a
+ // new kpDocument and in the case of open() being passed
+ // "newDocSameNameIfNotExist = true" when the URL doesn't exist.
+ //
+ // If this returns true and the kpDocument hasn't been modified,
+ // this gives a pretty good indication that the pixmap stored at url()
+ // is equal to pixmap() (unless the something has happened to that url
+ // outside of KolourPaint).
+ bool isFromURL (bool checkURLStillExists = true) const;
+
+ // (will convert: empty URL --> "Untitled")
+ static QString prettyURLForURL (const KURL &url);
+ QString prettyURL () const;
+
+ // (will convert: empty URL --> "Untitled")
+ static QString prettyFilenameForURL (const KURL &url);
+ QString prettyFilename () const;
+
+ // (guaranteed to return valid pointer)
+
+ const kpDocumentSaveOptions *saveOptions () const;
+ void setSaveOptions (const kpDocumentSaveOptions &saveOptions);
+
+ const kpDocumentMetaInfo *metaInfo () const;
+ void setMetaInfo (const kpDocumentMetaInfo &metaInfo);
+
+
+ /*
+ * Properties (modified, width, height, color depth...)
+ */
+
+ void setModified (bool yes = true);
+ bool isModified () const;
+ bool isEmpty () const;
+
+ int constructorWidth () const; // as passed to the constructor
+ int width (bool ofSelection = false) const;
+ int oldWidth () const; // only valid in a slot connected to sizeChanged()
+ void setWidth (int w, const kpColor &backgroundColor);
+
+ int constructorHeight () const; // as passed to the constructor
+ int height (bool ofSelection = false) const;
+ int oldHeight () const; // only valid in a slot connected to sizeChanged()
+ void setHeight (int h, const kpColor &backgroundColor);
+
+ QRect rect (bool ofSelection = false) const;
+
+
+ /*
+ * Pixmap access
+ */
+
+ // get a copy of a bit of the doc's pixmap
+ // (not including the selection)
+ QPixmap getPixmapAt (const QRect &rect) const;
+
+ void setPixmapAt (const QPixmap &pixmap, const QPoint &at);
+
+ void paintPixmapAt (const QPixmap &pixmap, const QPoint &at);
+
+ // (not including the selection)
+ QPixmap *pixmap (bool ofSelection = false) const;
+ void setPixmap (const QPixmap &pixmap);
+ void setPixmap (bool ofSelection, const QPixmap &pixmap);
+
+private:
+ void updateToolsSingleKeyTriggersEnabled ();
+
+public:
+ kpSelection *selection () const;
+ void setSelection (const kpSelection &selection);
+
+ // TODO: this always returns opaque pixmap - need transparent ver
+ QPixmap getSelectedPixmap (const QBitmap &maskBitmap = QBitmap ()) const;
+
+ bool selectionPullFromDocument (const kpColor &backgroundColor);
+ bool selectionDelete ();
+ bool selectionCopyOntoDocument (bool useTransparentPixmap = true);
+ bool selectionPushOntoDocument (bool useTransparentPixmap = true);
+
+ // same as pixmap() but returns a _copy_ of the current pixmap
+ // + any selection pasted on top
+ QPixmap pixmapWithSelection () const;
+
+
+ /*
+ * Transformations
+ * (convenience only - you could achieve the same effect (and more) with
+ * kpPixmapFX: these functions do not affect the selection)
+ */
+
+ void fill (const kpColor &color);
+ void resize (int w, int h, const kpColor &backgroundColor, bool fillNewAreas = true);
+
+
+public slots:
+ // these will emit signals!
+ void slotContentsChanged (const QRect &rect);
+ void slotSizeChanged (int newWidth, int newHeight);
+ void slotSizeChanged (const QSize &newSize);
+
+signals:
+ void documentOpened ();
+ void documentSaved ();
+
+ // Emitted whenever the isModified() flag changes from false to true.
+ // This is the _only_ signal that may be emitted in addition to the others.
+ void documentModified ();
+
+ void contentsChanged (const QRect &rect);
+ void sizeChanged (int newWidth, int newHeight); // see oldWidth(), oldHeight()
+ void sizeChanged (const QSize &newSize);
+
+ void selectionEnabled (bool on);
+
+ // HACK: until we support Text Selection -> Rectangular Selection for Image ops
+ void selectionIsTextChanged (bool isText);
+
+private:
+ int m_constructorWidth, m_constructorHeight;
+ kpMainWindow *m_mainWindow;
+ QPixmap *m_pixmap;
+
+ KURL m_url;
+ bool m_isFromURL;
+ bool m_savedAtLeastOnceBefore;
+
+ kpDocumentSaveOptions *m_saveOptions;
+ kpDocumentMetaInfo *m_metaInfo;
+
+ bool m_modified;
+
+ kpSelection *m_selection;
+
+ int m_oldWidth, m_oldHeight;
+
+ // There is no need to maintain binary compatibility at this stage.
+ // The d-pointer is just so that you can experiment without recompiling
+ // the kitchen sink.
+ class kpDocumentPrivate *d;
+};
+
+#endif // KP_DOCUMENT_H