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//========================================================================
//
// XOutputDev.h
//
// Copyright 1996 Derek B. Noonburg
//
//========================================================================
#ifndef QOUTPUTDEV_H
#define QOUTPUTDEV_H
#ifdef __GNUC__
#pragma interface
#endif
#include "aconf.h"
#include <stddef.h>
#include <qscrollview.h>
class Object;
#include "config.h"
#include "CharTypes.h"
#include "GlobalParams.h"
#include "OutputDev.h"
class GString;
class GList;
struct GfxRGB;
class GfxFont;
class GfxSubpath;
class TextPage;
class XOutputFontCache;
class Link;
class Catalog;
class DisplayFontParam;
class UnicodeMap;
class CharCodeToUnicode;
class QPainter;
class QPixmap;
class QPointArray;
typedef fouble fp_t;
//------------------------------------------------------------------------
// Constants
//------------------------------------------------------------------------
//------------------------------------------------------------------------
// Misc types
//------------------------------------------------------------------------
//------------------------------------------------------------------------
// XOutputDev
//------------------------------------------------------------------------
class QOutputDev : public QScrollView, public OutputDev {
public:
// Constructor.
QOutputDev( QWidget *parent = 0, const char *name = 0, int flags = 0 );
// Destructor.
virtual ~QOutputDev();
//---- get info about output device
// Does this device use upside-down coordinates?
// (Upside-down means (0,0) is the top left corner of the page.)
virtual GBool upsideDown() { return gTrue; }
// Does this device use drawChar() or drawString()?
virtual GBool useDrawChar() { return gTrue; }
//----- initialization and control
// Start a page.
virtual void startPage(int pageNum, GfxState *state);
// End a page.
virtual void endPage();
//----- link borders
virtual void drawLink(Link *link, Catalog *catalog);
//----- save/restore graphics state
virtual void saveState(GfxState *state);
virtual void restoreState(GfxState *state);
//----- update graphics state
virtual void updateAll(GfxState *state);
virtual void updateCTM(GfxState *state, fp_t m11, fp_t m12,
fp_t m21, fp_t m22, fp_t m31, fp_t m32);
virtual void updateLineDash(GfxState *state);
virtual void updateFlatness(GfxState *state);
virtual void updateLineJoin(GfxState *state);
virtual void updateLineCap(GfxState *state);
virtual void updateMiterLimit(GfxState *state);
virtual void updateLineWidth(GfxState *state);
virtual void updateFillColor(GfxState *state);
virtual void updateStrokeColor(GfxState *state);
//----- update text state
virtual void updateFont(GfxState *state);
//----- path painting
virtual void stroke(GfxState *state);
virtual void fill(GfxState *state);
virtual void eoFill(GfxState *state);
//----- path clipping
virtual void clip(GfxState *state);
virtual void eoClip(GfxState *state);
//----- text drawing
virtual void beginString(GfxState *state, GString *s);
virtual void endString(GfxState *state);
virtual void drawChar(GfxState *state, fp_t x, fp_t y,
fp_t dx, fp_t dy,
fp_t originX, fp_t originY,
CharCode code, Unicode *u, int uLen);
//----- image drawing
virtual void drawImageMask(GfxState *state, Object *ref, Stream *str,
int width, int height, GBool invert,
GBool inlineImg);
virtual void drawImage(GfxState *state, Object *ref, Stream *str,
int width, int height, GfxImageColorMap *colorMap,
int *maskColors, GBool inlineImg);
// Find a string. If <top> is true, starts looking at <l>,<t>;
// otherwise starts looking at top of page. If <bottom> is true,
// stops looking at <l+w-1>,<t+h-1>; otherwise stops looking at bottom
// of page. If found, sets the text bounding rectange and returns
// true; otherwise returns false.
GBool findText ( Unicode *s, int len, GBool top, GBool bottom, int *xMin, int *yMin, int *xMax, int *yMax );
//----- special QT access
bool findText ( const QString &str, int &l, int &t, int &w, int &h, bool top = 0, bool bottom = 0 );
bool findText ( const QString &str, QRect &r, bool top = 0, bool bottom = 0 );
// Get the text which is inside the specified rectangle.
QString getText ( int left, int top, int width, int height );
QString getText ( const QRect &r );
protected:
virtual void drawContents ( QPainter *p, int, int, int, int );
private:
QPixmap *m_pixmap; // pixmap to draw into
QPainter *m_painter;
TextPage *m_text; // text from the current page
private:
QFont matchFont ( GfxFont *, fp_t m11, fp_t m12, fp_t m21, fp_t m22 );
void updateLineAttrs ( GfxState *state, GBool updateDash );
void doFill ( GfxState *state, bool winding );
void doClip ( GfxState *state, bool winding );
int convertPath ( GfxState *state, QPointArray &points, QArray<int> &lengths );
int convertSubpath ( GfxState *state, GfxSubpath *subpath, QPointArray &points );
};
#endif
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