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/************************************************************************/
/* */
/* Common resources used by Rulers. */
/* */
/************************************************************************/
# ifndef APP_RULER_H
# define APP_RULER_H
# include <appDraw.h>
typedef struct RulerData
{
int rdSizeAcross;
int rdSizeAlong;
int rdFontHeight;
int rdMinUsed;
int rdMaxUsed;
int rdExtraAfterMaxUsed;
const char * rdFontName;
/****************************************/
/* */
/* Pixel coordinate ranges for the */
/* ruler. */
/* */
/****************************************/
int rdDocumentC0;
int rdDocumentC1;
int rdVisibleC0;
int rdVisibleC1;
int rdRulerC1;
APP_FONT * rdFontStruct;
VerticalXFont rdVerticalFont;
APP_BITMAP_MASK rdBackStipple;
AppDrawingData rdDrawingData;
int rdDrawingDataAllocated;
int rdUnit;
int rdTicksPerTag;
int rdTicksPerText;
double rdUnitsPerTick;
double rdTwipsPerUnit;
double rdMagnifiedPixelsPerTwip;
} RulerData;
typedef void (*DragHair)( void * voided, int from, int to, int asUpper );
/************************************************************************/
/* */
/* Routine declarations. */
/* */
/************************************************************************/
extern void appInitRulerData( RulerData * rd );
extern void appCleanRulerData( RulerData * rd );
extern void appRulerDrawBackground( RulerData * rd,
int x,
int y,
int wide,
int high );
extern void appRulerAllocateDrawingData( RulerData * rd,
int vertical,
int fontHeight,
double magnification,
APP_WIDGET w );
extern int appRulerTextWidth( RulerData * rd,
const char * s,
int len );
extern void appRulerDrawVerticalString( RulerData * rd,
int x,
int y,
char * s,
int len );
extern void appRulerCalculateIncrements( RulerData * rd,
double magnifiedPixelsPerTwip,
double magnification );
extern void appRulerTagText( char * to,
int * pWide,
int * pLen,
RulerData * rd,
double units );
extern void appScrollHorizontalRuler( RulerData * rd,
DocumentRectangle * drClip,
int d );
void appScrollVerticalRuler( RulerData * rd,
DocumentRectangle * drClip,
int d );
# endif
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