Initial revision

1 files changed, 131 insertions, 0 deletions

diff --git a/pdf/xpdf/OutputDev.h b/pdf/xpdf/OutputDev.h
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--- /dev/null
+++ b/pdf/xpdf/OutputDev.h
@@ -0,0 +1,131 @@
+//========================================================================
+//
+// OutputDev.h
+//
+// Copyright 1996 Derek B. Noonburg
+//
+//========================================================================
+
+#ifndef OUTPUTDEV_H
+#define OUTPUTDEV_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "gtypes.h"
+
+class GString;
+class GfxState;
+class GfxColorSpace;
+class GfxImageColorMap;
+class Stream;
+
+//------------------------------------------------------------------------
+// OutputDev
+//------------------------------------------------------------------------
+
+class OutputDev {
+public:
+
+  // Constructor.
+  OutputDev() {}
+
+  // Destructor.
+  virtual ~OutputDev() {}
+
+  //----- 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() = 0;
+
+  // Does this device use drawChar() or drawString()?
+  virtual GBool useDrawChar() = 0;
+
+  //----- initialization and control
+
+  // Set default transform matrix.
+  virtual void setDefaultCTM(double *ctm1);
+
+  // Start a page.
+  virtual void startPage(int pageNum, GfxState *state) {}
+
+  // End a page.
+  virtual void endPage() {}
+
+  // Dump page contents to display.
+  virtual void dump() {}
+
+  //----- coordinate conversion
+
+  // Convert between device and user coordinates.
+  virtual void cvtDevToUser(int dx, int dy, double *ux, double *uy);
+  virtual void cvtUserToDev(double ux, double uy, int *dx, int *dy);
+
+  //----- link borders
+  virtual void drawLinkBorder(double x1, double y1, double x2, double y2,
+			      double w) {}
+
+  //----- 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, double m11, double m12,
+			 double m21, double m22, double m31, double 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) {}
+  virtual void updateTextMat(GfxState *state) {}
+  virtual void updateCharSpace(GfxState *state) {}
+  virtual void updateRender(GfxState *state) {}
+  virtual void updateRise(GfxState *state) {}
+  virtual void updateWordSpace(GfxState *state) {}
+  virtual void updateHorizScaling(GfxState *state) {}
+  virtual void updateTextPos(GfxState *state) {}
+  virtual void updateTextShift(GfxState *state, double shift) {}
+
+  //----- 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, double x, double y,
+			double dx, double dy, Guchar c) {}
+  virtual void drawChar16(GfxState *state, double x, double y,
+			  double dx, double dy, int c) {}
+  virtual void drawString(GfxState *state, GString *s) {}
+  virtual void drawString16(GfxState *state, GString *s) {}
+
+  //----- image drawing
+  virtual void drawImageMask(GfxState *state, Stream *str,
+			     int width, int height, GBool invert,
+			     GBool inlineImg);
+  virtual void drawImage(GfxState *state, Stream *str, int width,
+			 int height, GfxImageColorMap *colorMap,
+			 GBool inlineImg);
+
+private:
+
+  double ctm[6];		// coordinate transform matrix
+  double ictm[6];		// inverse CTM
+};
+
+#endif