mirror of
https://invent.kde.org/graphics/okular
synced 2024-10-13 03:12:22 +00:00
675e01cc9b
svn path=/trunk/kdegraphics/kdvi/; revision=219376
87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
#ifndef _PSGS_H_
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#define _PSGS_H_
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#include <ktempfile.h>
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#include <qstring.h>
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#include <qintdict.h>
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#include <qintcache.h>
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#include <qpixmap.h>
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#include <qobject.h>
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class pageInfo
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{
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public:
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pageInfo(QString _PostScriptString);
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~pageInfo();
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QColor background;
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QString *PostScriptString;
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KTempFile *Gfx;
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};
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// Maximal number of PostScript-Pages which are held in memory (or on
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// the disk) for speedup. This should later be made dynamic, maybe
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// with the possibility of switching on/off.
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#define PAGES_IN_MEMORY_CACHE 13
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#define PAGES_IN_DISK_CACHE 101
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class ghostscript_interface : public QObject
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{
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Q_OBJECT
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public:
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ghostscript_interface(double dpi, int pxlw, int pxlh);
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~ghostscript_interface();
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void setSize(double dpi, int pxlw, int pxlh);
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void clear();
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// sets the PostScript which is used on a certain page
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void setPostScript(int page, QString PostScript);
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// sets path from additional postscript files may be read
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void setIncludePath(const QString &_includePath);
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// sets the background color for a certain page
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void setColor(int page, QColor background_color);
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// Returns the graphics of the page, if possible. The functions
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// returns a pointer to a QPixmap, or null. The referred QPixmap
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// should be deleted after use.
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QPixmap *graphics(int page);
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// Returns the background color for a certain page. If no color was
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// set, Qt::white is returned.
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QColor getBackgroundColor(int page);
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QString *PostScriptHeaderString;
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private:
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void gs_generate_graphics_file(int page, QString filename);
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QIntDict<pageInfo> pageList;
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// Chache to store pages which contain PostScript and are therefore
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// slow to render.
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QIntCache<QPixmap> MemoryCache;
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// Chache to store pages which contain PostScript and are therefore
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// slow to render.
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QIntCache<KTempFile> DiskCache;
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double resolution; // in dots per inch
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int pixel_page_w; // in pixels
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int pixel_page_h; // in pixels
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QString includePath;
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signals:
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/** Passed through to the top-level kpart. */
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void setStatusBarText( const QString& );
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};
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#endif
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