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Kernel

bmpexprw.cpp File Reference

(r1785/r1635)

#include "camtypes.h"
#include "bmpexprw.h"
#include "prvwmenu.h"
#include "ccdc.h"
#include "dlgcol.h"
#include "grnddib.h"
#include "nodebmp.h"
#include "dlgview.h"
#include "keypress.h"
#include "csrstack.h"
#include "fileutil.h"
#include "bitfilt.h"
#include "statline.h"
#include "giffiltr.h"
#include "exjpeg.h"
#include "imgmgkft.h"
#include "progress.h"
#include "sgliboil.h"
#include "backgrnd.h"
#include "bmpexdoc.h"
#include "prvwflt.h"
#include "bmapprev.h"
#include "bitmpinf.h"

Go to the source code of this file.

Defines

#define new   CAM_DEBUG_NEW
#define BUBBLE_TIME   800

Functions

 DECLARE_SOURCE ("$Revision: 1635 $")
void FixZoomFactor (UINT32 *pZoomFactor)
 Searches the list of the pre-defined zoom factors for the one nearest to the current one. If the difference between them is less then 2% the current zoom factor is replaced by the pre-defined one. This is done to avoid things like zooming in from 99% to 100%, and also fixes problems with rounding errors in the greater zoom factors.

Variables

const UINT32 MIN_ZOOM = 1
const UINT32 MAX_ZOOM = 25601
const UINT32 ZOOMS [] = {MIN_ZOOM,10,25,50,75,100,200,500,1000,2000,4000,8000,16000,MAX_ZOOM}
const INT32 NUM_ZOOMS = 14

Define Documentation

#define BUBBLE_TIME   800
 

Definition at line 148 of file bmpexprw.cpp.

#define new   CAM_DEBUG_NEW
 

Definition at line 136 of file bmpexprw.cpp.

Function Documentation

DECLARE_SOURCE (  "$Revision: 1635 $"   ) 
 

void FixZoomFactor (  UINT32 *  pZoomFactor  ) 
 

Searches the list of the pre-defined zoom factors for the one nearest to the current one. If the difference between them is less then 2% the current zoom factor is replaced by the pre-defined one. This is done to avoid things like zooming in from 99% to 100%, and also fixes problems with rounding errors in the greater zoom factors.

Author:
Stefan_Stoykov (Xara Group Ltd) <camelotdev@xara.com>
Date:
20/01/97
Parameters:
pZoomFactor - a pointer to the zoom factor to be amended [INPUTS]
Returns:
None.

Definition at line 308 of file bmpexprw.cpp.

00309 {
00310     UINT32 ZoomFactor = *pZoomFactor;
00311 
00312     if (ZoomFactor < MIN_ZOOM)
00313         *pZoomFactor = MIN_ZOOM;
00314     else
00315     if (ZoomFactor > ZOOMS[NUM_ZOOMS - 1])
00316         *pZoomFactor = ZOOMS[NUM_ZOOMS - 1];
00317     else
00318     for (INT32 i=0; i<NUM_ZOOMS; i++)
00319     {
00320         // the calculation is done times 1000 decause of the integer arithmetic
00321         INT32 Error = 50 * ZoomFactor;
00322         if ((1000 * ZoomFactor - Error  < 1000 * ZOOMS[i]) &&
00323             (1000 * ZoomFactor + Error  > 1000 * ZOOMS[i]))
00324         {
00325             *pZoomFactor = ZOOMS[i];
00326             return;
00327         }
00328     }
00329 }

Variable Documentation

const UINT32 MAX_ZOOM = 25601
 

Definition at line 140 of file bmpexprw.cpp.

const UINT32 MIN_ZOOM = 1
 

Definition at line 139 of file bmpexprw.cpp.

const INT32 NUM_ZOOMS = 14
 

Definition at line 142 of file bmpexprw.cpp.

const UINT32 ZOOMS[] = {MIN_ZOOM,10,25,50,75,100,200,500,1000,2000,4000,8000,16000,MAX_ZOOM}
 

Definition at line 141 of file bmpexprw.cpp.

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