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//========================================================================
//
// XSplashOutputDev.h
//
// Copyright 2003 Glyph & Cog, LLC
//
//========================================================================
#ifndef XSPLASHOUTPUTDEV_H
#define XSPLASHOUTPUTDEV_H
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
#include <X11/Xlib.h>
#include "SplashTypes.h"
#include "SplashOutputDev.h"
//------------------------------------------------------------------------
#define xOutMaxRGBCube 6 // max size of RGB color cube
//------------------------------------------------------------------------
// XSplashOutputDev
//------------------------------------------------------------------------
class XSplashOutputDev: public SplashOutputDev {
public:
XSplashOutputDev(Display *displayA, int screenNumA,
Visual *visualA, Colormap colormapA,
GBool reverseVideoA, SplashColor paperColorA,
GBool installCmapA, int rgbCubeSizeA,
GBool incrementalUpdateA,
void (*redrawCbkA)(void *data),
void *redrawCbkDataA);
virtual ~XSplashOutputDev();
//----- initialization and control
// Start a page.
virtual void startPage(int pageNum, GfxState *state);
// End a page.
virtual void endPage();
// Dump page contents to display.
virtual void dump();
//----- update text state
virtual void updateFont(GfxState *state);
//----- text drawing
virtual void drawChar(GfxState *state, double x, double y,
double dx, double dy,
double originX, double originY,
CharCode code, Unicode *u, int uLen);
virtual GBool beginType3Char(GfxState *state, double x, double y,
double dx, double dy,
CharCode code, Unicode *u, int uLen);
//----- special access
// Clear out the document (used when displaying an empty window).
void clear();
// Copy the rectangle (srcX, srcY, width, height) to (destX, destY)
// in destDC.
void redraw(int srcX, int srcY,
Drawable destDrawable, GC destGC,
int destX, int destY,
int width, int height);
// Find a string. If <startAtTop> is true, starts looking at the
// top of the page; else if <startAtLast> is true, starts looking
// immediately after the last find result; else starts looking at
// <xMin>,<yMin>. If <stopAtBottom> is true, stops looking at the
// bottom of the page; else if <stopAtLast> is true, stops looking
// just before the last find result; else stops looking at
// <xMax>,<yMax>.
GBool findText(Unicode *s, int len,
GBool startAtTop, GBool stopAtBottom,
GBool startAtLast, GBool stopAtLast,
int *xMin, int *yMin,
int *xMax, int *yMax);
// Get the text which is inside the specified rectangle.
GString *getText(int xMin, int yMin, int xMax, int yMax);
private:
GBool incrementalUpdate; // incrementally update the display?
void (*redrawCbk)(void *data);
void *redrawCbkData;
TextPage *text; // text from the current page
Display *display; // X display pointer
Visual *visual; // X visual
Guint depth; // visual depth
GBool trueColor; // set if using a TrueColor visual
int rDiv, gDiv, bDiv; // RGB right shifts (for TrueColor)
int rShift, gShift, bShift; // RGB left shifts (for TrueColor)
int rgbCubeSize; // size of color cube (for non-TrueColor)
Gulong // color cube (for non-TrueColor)
colors[xOutMaxRGBCube * xOutMaxRGBCube * xOutMaxRGBCube];
};
#endif
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