svn path=/trunk/kdegraphics/kpdf/; revision=220285remotes/origin/kpdf-3.2
Christophe Devriese
23 years ago
parent
98ae1fcf74
commit
0edb09e928
7 changed files with 1235 additions and 41 deletions
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//========================================================================
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//
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// XOutputDev.h
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//
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// Copyright 1996 Derek B. Noonburg
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//
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//========================================================================
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#ifndef QOUTPUTDEV_H |
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#define QOUTPUTDEV_H |
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#ifdef __GNUC__ |
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#pragma interface |
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#endif |
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#include "aconf.h" |
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#include <stddef.h> |
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#include <qscrollview.h> |
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class Object; |
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#include "config.h" |
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#include "CharTypes.h" |
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#include "GlobalParams.h" |
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#include "OutputDev.h" |
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class GString; |
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class GList; |
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struct GfxRGB; |
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class GfxFont; |
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class GfxSubpath; |
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class TextPage; |
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class XOutputFontCache; |
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class Link; |
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class Catalog; |
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class DisplayFontParam; |
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class UnicodeMap; |
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class CharCodeToUnicode; |
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class QPainter; |
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class QPixmap; |
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class QPointArray; |
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typedef double fp_t; |
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//------------------------------------------------------------------------
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// Constants
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//------------------------------------------------------------------------
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//------------------------------------------------------------------------
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// Misc types
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//------------------------------------------------------------------------
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//------------------------------------------------------------------------
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// XOutputDev
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//------------------------------------------------------------------------
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class QOutputDev : public QScrollView, public OutputDev { |
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Q_OBJECT |
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public: |
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// Constructor.
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QOutputDev( QWidget *parent = 0, const char *name = 0, int flags = 0 ); |
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// Destructor.
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virtual ~QOutputDev(); |
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//---- get info about output device
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// Does this device use upside-down coordinates?
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// (Upside-down means (0,0) is the top left corner of the page.)
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virtual GBool upsideDown() { return gTrue; } |
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// Does this device use drawChar() or drawString()?
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virtual GBool useDrawChar() { return gTrue; } |
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// Does this device use beginType3Char/endType3Char? Otherwise,
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// text in Type 3 fonts will be drawn with drawChar/drawString.
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virtual GBool interpretType3Chars() { return gFalse; } |
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// Does this device need non-text content?
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virtual GBool needNonText() { return gFalse; } |
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//----- initialization and control
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// Start a page.
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virtual void startPage(int pageNum, GfxState *state); |
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// End a page.
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virtual void endPage(); |
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//----- link borders
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virtual void drawLink(Link *link, Catalog *catalog); |
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//----- save/restore graphics state
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virtual void saveState(GfxState *state); |
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virtual void restoreState(GfxState *state); |
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//----- update graphics state
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virtual void updateAll(GfxState *state); |
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virtual void updateCTM(GfxState *state, fp_t m11, fp_t m12, |
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fp_t m21, fp_t m22, fp_t m31, fp_t m32); |
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virtual void updateLineDash(GfxState *state); |
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virtual void updateFlatness(GfxState *state); |
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virtual void updateLineJoin(GfxState *state); |
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virtual void updateLineCap(GfxState *state); |
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virtual void updateMiterLimit(GfxState *state); |
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virtual void updateLineWidth(GfxState *state); |
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virtual void updateFillColor(GfxState *state); |
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virtual void updateStrokeColor(GfxState *state); |
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//----- update text state
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virtual void updateFont(GfxState *state); |
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//----- path painting
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virtual void stroke(GfxState *state); |
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virtual void fill(GfxState *state); |
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virtual void eoFill(GfxState *state); |
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//----- path clipping
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virtual void clip(GfxState *state); |
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virtual void eoClip(GfxState *state); |
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//----- text drawing
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virtual void beginString(GfxState *state, GString *s); |
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virtual void endString(GfxState *state); |
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virtual void drawChar(GfxState *state, fp_t x, fp_t y, |
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fp_t dx, fp_t dy, |
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fp_t originX, fp_t originY, |
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CharCode code, Unicode *u, int uLen); |
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//----- image drawing
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virtual void drawImageMask(GfxState *state, Object *ref, Stream *str, |
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int width, int height, GBool invert, |
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GBool inlineImg); |
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virtual void drawImage(GfxState *state, Object *ref, Stream *str, |
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int width, int height, GfxImageColorMap *colorMap, |
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int *maskColors, GBool inlineImg); |
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// Find a string. If <top> is true, starts looking at <l>,<t>;
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// otherwise starts looking at top of page. If <bottom> is true,
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// stops looking at <l+w-1>,<t+h-1>; otherwise stops looking at bottom
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// of page. If found, sets the text bounding rectange and returns
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// true; otherwise returns false.
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GBool findText ( Unicode *s, int len, GBool top, GBool bottom, int *xMin, int *yMin, int *xMax, int *yMax ); |
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//----- special QT access
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bool findText ( const QString &str, int &l, int &t, int &w, int &h, bool top = 0, bool bottom = 0 ); |
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bool findText ( const QString &str, QRect &r, bool top = 0, bool bottom = 0 ); |
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// Get the text which is inside the specified rectangle.
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QString getText ( int left, int top, int width, int height ); |
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QString getText ( const QRect &r ); |
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protected: |
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virtual void drawContents ( QPainter *p, int, int, int, int ); |
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private: |
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QPixmap *m_pixmap; // pixmap to draw into
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QPainter *m_painter; |
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TextPage *m_text; // text from the current page
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private:
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QFont matchFont ( GfxFont *, fp_t m11, fp_t m12, fp_t m21, fp_t m22 ); |
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void updateLineAttrs ( GfxState *state, GBool updateDash ); |
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void doFill ( GfxState *state, bool winding ); |
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void doClip ( GfxState *state, bool winding ); |
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int convertPath ( GfxState *state, QPointArray &points, QArray<int> &lengths ); |
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int convertSubpath ( GfxState *state, GfxSubpath *subpath, QPointArray &points ); |
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}; |
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#endif |
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