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// File: WNT_TextManager.cxx
// Created: Feb 1998
// Author: CHABROVSKY Dmitry
// Copyright: Matra Datavision 1998
// include windows.h first to have all definitions available
#include <windows.h>
#define MFT
#include <WNT_TextManager.ixx>
#include <WNT_MFTDraw.hxx>
#include <Aspect_Units.hxx>
#define CHAR_DESC_LEN 30000
#define MY_HDC (HDC)myDevContext
#define U2P(v) LONG( (v)/myPixelToUnit + 0.5 )
#define TRANSFORM(X,Y) \
{ Standard_Real x = X,y = Y; \
X = Standard_ShortReal(x*theCosAngle - y*theSinAngle); \
Y = Standard_ShortReal(x*theSinAngle + y*theCosAngle); \
}
enum TypeOfPoint {
TOP_MOVETO, TOP_LINETO, TOP_CURVETO
};
static Standard_Integer thePaintType;
static Standard_Integer theTextColor;
static Aspect_TypeOfText theTypeOfText;
static Standard_ShortReal theUnderlinePosition;
static Standard_ShortReal theXmin,theXmax;
static Standard_Integer theNchar;
static Standard_Real theSinAngle,theCosAngle;
static Standard_Real theOrientation;
//////////////// Character description ///////////////
static int myStrLen = 0;
static POINT myStrDesc [CHAR_DESC_LEN];
static TypeOfPoint myStrInfo [CHAR_DESC_LEN];
static double myBX, myBY;
static double myCX, myCY;
static int myCharWidth;
static int myCharHeight;
static BOOL myCharInside;
#define ADD_POINT(X,Y,aType) \
myStrDesc[myStrLen].x = U2P( (X)+myBX ); \
myStrDesc[myStrLen].y = ( myWin95 ? myDevHeight - U2P((Y)+myBY) : U2P((Y)+myBY) ); \
myStrInfo[myStrLen] = aType; myStrLen++;
#define CHECK_INSIDE(x,y) \
if (!myCharInside) \
if (myWin95) { \
if ((x > -myCharWidth && x < (myDevWidth /*+ myCharWidth*/ )) && \
(y > -myCharHeight && y < (myDevHeight + myCharHeight))) \
myCharInside = TRUE; \
} else { \
if ((x > -myCharWidth && x < (myDevWidth /*+ myCharWidth */)) && \
(y > -myCharHeight && y < (myDevHeight /*+ myCharHeight*/))) \
myCharInside = TRUE; \
}
#define CUR_X() myStrDesc[myStrLen-1].x
#define CUR_Y() myStrDesc[myStrLen-1].y
/*==================================================================*/
WNT_TextManager::WNT_TextManager(const Standard_Real aPixelToUnit)
{
myPixelToUnit = aPixelToUnit;
myDevContext = 0;
myDevHeight = 0;
// Clear the memory for STRING description
ZeroMemory (myStrDesc, sizeof(myStrDesc));
ZeroMemory (myStrInfo, sizeof(myStrInfo));
myStrLen = 0;
}
/*==================================================================*/
void WNT_TextManager::BeginString(const Quantity_Length X,
const Quantity_Length Y,
const Quantity_PlaneAngle anOrientation,
const Quantity_Length aWidth,
const Quantity_Length aHeight,
const Quantity_PlaneAngle aSlant,
const Standard_Integer aPaintType)
{
myStrLen = 0;
myCharWidth = U2P(aWidth );
myCharHeight = U2P(aHeight);
thePaintType = aPaintType;
theOrientation = anOrientation;
myBX = X;
myBY = Y;
theNchar = 0;
theXmin = theXmax = 0.F;
if (!thePaintType) {
if ((aHeight < (6. MILLIMETER)) ||
(theTypeOfText == Aspect_TOT_OUTLINE))
thePaintType = 2;
}
}
/*==================================================================*/
Standard_Boolean WNT_TextManager::BeginChar(const Standard_Integer aCharCode,
const Standard_Real X,
const Standard_Real Y)
{
myCharInside = FALSE;
return Standard_True;
}
/*==================================================================*/
Standard_Boolean WNT_TextManager::SetCharBoundingBox(const Quantity_Length X1,
const Quantity_Length Y1,
const Quantity_Length X2,
const Quantity_Length Y2,
const Quantity_Length X3,
const Quantity_Length Y3,
const Quantity_Length X4,
const Quantity_Length Y4)
{
if (theUnderlinePosition > 0.) {
if (!theNchar)
theXmin = Standard_ShortReal (X1);
theXmax = Standard_ShortReal (Sqrt(X2*X2 + Y2*Y2));
}
return Standard_True;
}
/*==================================================================*/
Standard_Boolean WNT_TextManager::SetCharEncoding(const Standard_CString anEncoding)
{
return Standard_True;
}
/*==================================================================*/
Standard_Boolean WNT_TextManager::Moveto(const Standard_Real X,
const Standard_Real Y)
{
ADD_POINT (X,Y,TOP_MOVETO);
myCX = X; myCY = Y;
CHECK_INSIDE (CUR_X(),CUR_Y());
if (!myCharInside)
myStrLen--;
return myCharInside;
}
/*==================================================================*/
Standard_Boolean WNT_TextManager::Lineto(const Standard_Real X,
const Standard_Real Y)
{
ADD_POINT (X,Y,TOP_LINETO);
CHECK_INSIDE (CUR_X(),CUR_Y());
if (!myCharInside)
myStrLen--;
return myCharInside;
}
/*==================================================================*/
Standard_Boolean WNT_TextManager::Curveto(const Quantity_Length X1,
const Quantity_Length Y1,
const Quantity_Length X2,
const Quantity_Length Y2,
const Quantity_Length X3,
const Quantity_Length Y3,
const Quantity_Length X4,
const Quantity_Length Y4)
{
ADD_POINT (X2,Y2,TOP_CURVETO);
ADD_POINT (X3,Y3,TOP_CURVETO);
ADD_POINT (X4,Y4,TOP_CURVETO);
return Standard_True;
}
/*==================================================================*/
void WNT_TextManager::ClosePath()
{
ADD_POINT (myCX,myCY,TOP_LINETO);
CHECK_INSIDE (CUR_X(),CUR_Y());
if (!myCharInside)
myStrLen--;
}
/*==================================================================*/
Standard_Boolean WNT_TextManager::EndChar(const Standard_Real X,
const Standard_Real Y)
{
theNchar++;
return Standard_True;
}
/*==================================================================*/
void WNT_TextManager::EndString()
{
static int i, j;
// Draw text string
i = 0;
BeginPath (MY_HDC);
do {
switch (myStrInfo[i]) {
case TOP_MOVETO:
MoveToEx (MY_HDC, myStrDesc[i].x, myStrDesc[i].y, NULL);
break;
case TOP_LINETO:
j = i+1;
while ((myStrInfo[j] == TOP_LINETO) && (j < myStrLen))
j++;
PolylineTo (MY_HDC, &myStrDesc[i], j-i);
i = j-1;
break;
case TOP_CURVETO:
PolyBezierTo (MY_HDC, &myStrDesc[i], 3);
i += 2;
break;
default:
break;
}
} while (++i < myStrLen);
EndPath (MY_HDC);
if (thePaintType == 0 && !myMonoBuf) FillPath (MY_HDC);
else StrokePath (MY_HDC);
// Draw underline if necessary
if (theUnderlinePosition > 0.) {
Standard_ShortReal theX1 = theXmin;
Standard_ShortReal theY1 = -theUnderlinePosition;
Standard_ShortReal theX2 = theXmax;
Standard_ShortReal theY2 = theY1;
theSinAngle = Sin (theOrientation);
theCosAngle = Cos (theOrientation);
TRANSFORM (theX1, theY1);
TRANSFORM (theX2, theY2);
// Draw UNDERLINE
if (myWin95) {
MoveToEx (MY_HDC, U2P(theX1 + myBX), myDevHeight - U2P(theY1 + myBY), NULL);
LineTo (MY_HDC, U2P(theX2 + myBX), myDevHeight - U2P(theY2 + myBY) );
} else {
MoveToEx (MY_HDC, U2P(theX1 + myBX), U2P(theY1 + myBY), NULL);
LineTo (MY_HDC, U2P(theX2 + myBX), U2P(theY2 + myBY) );
}
}
}
/*==================================================================*/
void WNT_TextManager::SetTextAttribs(const Standard_Integer aTextColor,
const Aspect_TypeOfText aTypeOfText,
const Quantity_Length anUnderlinePosition)
{
theTextColor = aTextColor;
theTypeOfText = aTypeOfText;
theUnderlinePosition = (Standard_ShortReal)anUnderlinePosition;
}
/*==================================================================*/
void WNT_TextManager::SetDrawAttribs(const Standard_Address aDrawData)
{
PMFT_TEXTMAN_DATA aData = (PMFT_TEXTMAN_DATA)aDrawData;
myDevContext = (int)aData->theHDC;
myWin95 = aData->theWin95;
myDevWidth = aData->theDevWidth;
myDevHeight = aData->theDevHeight;
myUWidth = aData->theUWidth;
myMonoBuf = aData->theMonoBuffer;
}
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