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UTFThaiRules.c
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UTFThaiRules.c
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/*
Copyright (C) shenzhen sowell technology CO.,LTD
*/
/* This is a copy of UTF Tool source code and you should have a copy
** of sowell license to permit use this program.
**
** This source code can create UI enviroment and manage message of
** each window, you can easy to draw window face and process message
** with it,
**
** This code realsed to dareglobal CO.,LTD shanghai
*/
#include "stdafx.h"
#include "UTFTypeDef.h"
#include "UTFPalette.h"
#include "UTFGraphPort.h"
#include "UTFDrawAPI.h"
#include "UTFTHAIRules.h"
#include "UTFGraphPortPriv.h"
#include "UTFMemoryPriv.h"
typedef WORD ( *THAITEXTFUNC ) (LPTEXT pText, WORD left, WORD top, WORD width, WORD height, WORD charInterval, UTFCOLOR textColor, LPUTFLOGFONT lpFont, BYTE bDrawOut);
typedef enum
{
THAI_TOP_LINE, //this char will lie in top row
THAI_TOP_LINE_C_BR, //this char will lie in second row and center position align base char right side
THAI_BASE_LINE_NORMAL, //this char align lonely
THAI_BASE_LINE_GLUE, //this char type is not be used really
THAI_BASE_LINE_RSVH, //this char align lonely but it right side has very high line
THAI_BASE_LINE_RSL, //this char align lonely and it's right side has vertical line
THAI_BTM_LINE, //this char will lie in fourth row
THAI_ANSI_CHAR, //this char is base latin character
THAI_BASE_LINE_RSL_GLUETOP//this char align lonely and it's right side has vertical line and the second line char will glue bottom with it
}THAI_FONT_TYPE;
static THAITEXTFUNC THAIDrawTextFunc;
/*************************************************************************
** This function will return the ansi code same as unicode data character
*************************************************************************/
static int ThaiUnicodeToANSI(WORD wUnicode)
{
if((wUnicode > 0x0E00) && (wUnicode < 0x0E5C))
{
return (0xA0+wUnicode-0x0E00);
}
return (-1);
}
/**************************************************************************/
static BYTE THAIGetCharType(BYTE character, LPUTFLOGFONT lpFont)
{
BYTE *pVect;
WORD i,index;
BYTE *ptrStart;
if(character == 0)
return THAI_ANSI_CHAR;
if((character > 4) && (character < 0x20))
return THAI_ANSI_CHAR;
ptrStart = (BYTE *)(lpFont->lfAddr1+2);
if(character >= 0x20)
index = character - 28;
else
index = character - 1;
pVect = ptrStart;
for(i=0; i<index; i++)
{
pVect += 7;
}
return pVect[6];
}
WORD THAITextPreDone(LPTEXT pTextSrc, LPTEXT pTextBuffer, WORD bufferSize, LPUTFLOGFONT lpFont)
{
WORD wRealNum = 0;
WORD i,wUnicode;
int iANSICode;
LPTEXT pTextBuf = pTextBuffer;
while(*pTextSrc)
{
if(*pTextSrc == 0x0E)
{
if(*(pTextSrc+1))
{
wUnicode = *pTextSrc;
wUnicode <<= 8;
wUnicode += *(pTextSrc+1);
iANSICode = ThaiUnicodeToANSI(wUnicode);
if(iANSICode > 0)
{
if(iANSICode == 0xD3)
{
if(pTextBuf < pTextBuffer)
{
BYTE *ptrTopChar = NULL;
BYTE type,enable = 1;
for(i=0; i<5; i++)
{
type = THAIGetCharType(*(pTextBuffer-1-i), lpFont);
switch(type)
{
case THAI_TOP_LINE:
case THAI_TOP_LINE_C_BR:
ptrTopChar = pTextBuffer-1-i;
enable = 0;
break;
case THAI_BASE_LINE_NORMAL:
case THAI_BASE_LINE_RSVH:
case THAI_BASE_LINE_RSL:
case THAI_ANSI_CHAR:
case THAI_BASE_LINE_RSL_GLUETOP:
enable = 0;
break;
}
if(!enable)
break;
}
if(ptrTopChar != NULL)
{
BYTE *ptrTemp = pTextBuffer;
while(ptrTemp > ptrTopChar)
{
*ptrTemp = *(ptrTemp-1);
ptrTemp--;
}
*ptrTopChar = 0xED;
}
else
{
*pTextBuffer = 0xED;
}
pTextBuffer++;
}
else
{
*pTextBuffer++ = 0xED;
}
*pTextBuffer++ = 0xD2;
wRealNum += 2;
}
else
{
*pTextBuffer++ = (BYTE)iANSICode;
wRealNum++;
}
pTextSrc += 2;
}
else
{
*pTextBuffer++ = *pTextSrc++;
wRealNum++;
}
}
else
{
*pTextBuffer++ = *pTextSrc++;
wRealNum++;
}
}
else
{
if(*pTextSrc == 0xD3)
{
pTextSrc++;
if(pTextBuf < pTextBuffer)
{
BYTE *ptrTopChar = NULL;
BYTE type,enable = 1;
for(i=0; i<5; i++)
{
type = THAIGetCharType(*(pTextBuffer-1-i), lpFont);
switch(type)
{
case THAI_TOP_LINE:
case THAI_TOP_LINE_C_BR:
ptrTopChar = pTextBuffer-1-i;
enable = 0;
break;
case THAI_BASE_LINE_NORMAL:
case THAI_BASE_LINE_RSVH:
case THAI_BASE_LINE_RSL:
case THAI_ANSI_CHAR:
case THAI_BASE_LINE_RSL_GLUETOP:
enable = 0;
break;
}
if(!enable)
break;
}
if(ptrTopChar != NULL)
{
BYTE *ptrTemp = pTextBuffer;
while(ptrTemp > ptrTopChar)
{
*ptrTemp = *(ptrTemp-1);
ptrTemp--;
}
*ptrTopChar = 0xED;
}
else
{
*pTextBuffer = 0xED;
}
pTextBuffer++;
}
else
{
*pTextBuffer++ = 0xED;
}
*pTextBuffer++ = 0xD2;
wRealNum += 2;
}
else
{
*pTextBuffer++ = *pTextSrc++;
wRealNum++;
}
}
}
return wRealNum;
}
static char THAIHaveBaseChar(LPTEXT pText, BYTE *ptrStart)
{
BYTE charactor,type;
BYTE *pVect;
WORD i,index;
while(*pText)
{
charactor = *pText++;
if((charactor > 4) && (charactor < 0x20))
continue;
if(charactor >= 0x20)
index = charactor - 28;
else
index = charactor - 1;
pVect = ptrStart;
for(i=0; i<index; i++)
{
pVect += 7;
}
type = pVect[6];
switch(type)
{
case THAI_BASE_LINE_NORMAL:
case THAI_BASE_LINE_RSVH:
case THAI_BASE_LINE_RSL:
case THAI_ANSI_CHAR:
case THAI_BASE_LINE_RSL_GLUETOP:
return 1;
}
}
return 0;
}
static int THAIGetCharHeight(BYTE character, BYTE *ptrStart)
{
BYTE charactor,type;
BYTE *pVect;
WORD i,index;
if(character == 0)
return -1;
if((character > 4) && (character < 0x20))
return -1;
if(character >= 0x20)
index = character - 28;
else
index = character - 1;
pVect = ptrStart;
for(i=0; i<index; i++)
{
pVect += 7;
}
type = pVect[6];
switch(type)
{
case THAI_TOP_LINE:
case THAI_TOP_LINE_C_BR:
return (pVect[3]-pVect[2]);
}
return -1;
}
static WORD THAIDrawTextFunc8(LPTEXT pText, WORD left, WORD top, WORD width, WORD height, WORD charInterval, UTFCOLOR textColor, LPUTFLOGFONT lpFont, BYTE bDrawOut)
{
DWORD address,dwSize;
WORD wBaseLeft = 0;
WORD wOldLeft = 0;
WORD count,wVectSize;
WORD textWidth = 0;
WORD wRCTypeLeft = 0;
WORD dx=0,dy=0;
BYTE bWhichLine = 2;
BYTE bPrevRCType = 0;
BYTE charactor,deltaY = 1;
BYTE data,type,bDraw;
BYTE bDrawMode=1;
int i,index,j,k,x,y;
int iPrevCharType = -1;
UTFOSDCOL color;
UTFRECT prevRect;
BYTE *pVect,*pData;
BYTE *ptrStart;
BYTE *ptrRead;
BYTE *ptrWrite;
BYTE *ptrHeader;
UTFBITMAP bitmap;
if(height > lpFont->lfHeight)
{
height = lpFont->lfHeight;
}
if(lpFont->lfHeight > 20)
{
deltaY = (lpFont->lfHeight-16)/6;
}
if(height == lpFont->lfHeight)
{
height += deltaY;
}
if(bDrawOut)
{
UTFGetMemoryBitmap(&bitmap);
if(bitmap.data)
{
bDrawMode = 0;
dx = left;
dy = top;
}
else
{
if(width%32)
{
WORD wOldWidth = width;
UTFRECT rcFullScreen;
UTFGetFullScreenRect(&rcFullScreen);
width += 32-width%32;
if((left+width) > (rcFullScreen.right-rcFullScreen.left))
{
width = wOldWidth;
}
}
dwSize = width*height;
ptrHeader = (BYTE *)SOWMalloc(dwSize);
if(ptrHeader == NULL)
return;
bitmap.data = ptrHeader;
bitmap.Width = width;
bitmap.Height = height;
bitmap.bitPerPixel = 8;
UTFSaveScreen(left, top, &bitmap, 0);
}
}
if(height > lpFont->lfHeight)
{
height = lpFont->lfHeight;
}
prevRect.left = wBaseLeft;
prevRect.right = wBaseLeft;
prevRect.top = 0;
prevRect.bottom = 0;
UTFMemCpyWORD(&wVectSize, (void *)lpFont->lfAddr1, 2);
ptrStart = (BYTE *)(lpFont->lfAddr1+2);
pData = ptrStart+wVectSize;
color.data = textColor;
while(*pText)
{
charactor = *pText++;
if((charactor > 4) && (charactor < 0x20))
continue;
if(charactor >= 0x20)
index = charactor - 28;
else
index = charactor - 1;
pVect = ptrStart;
address = 0;
for(i=0; i<index; i++)
{
address += pVect[1];
pVect += 7;
}
address *= lpFont->lfHeight;
if(pVect[0] == 0) //If this char real width is 0, don't use it
{
continue;
}
bDraw = TRUE;
type = pVect[6];
switch(type)
{
case THAI_BASE_LINE_NORMAL:
case THAI_BASE_LINE_RSVH:
case THAI_BASE_LINE_RSL:
case THAI_ANSI_CHAR:
case THAI_BASE_LINE_RSL_GLUETOP:
y = deltaY;
bPrevRCType = 0;
break;
case THAI_TOP_LINE:
if(iPrevCharType < 0)
{
bDraw = FALSE;
}
else
{
BYTE bType = 0;
if(iPrevCharType == THAI_BASE_LINE_RSVH)
{
if(bWhichLine == 2)
{
bType = 1;
}
}
if(bType)
{
y = prevRect.top;
wBaseLeft = prevRect.left;
}
else
{
int iNextHeight = THAIGetCharHeight(*pText, ptrStart);
y = prevRect.top-(pVect[3]-pVect[2]);
if((iPrevCharType == THAI_BASE_LINE_RSL_GLUETOP) && (bWhichLine == 2))
;
else
y -= deltaY;
if(y < 0)
{
y = 0;
}
else if(iNextHeight > 0)
{
if(y < (iNextHeight+deltaY))
{
y = iNextHeight+deltaY;
}
}
if(bPrevRCType && (charactor == 0xE9))
wBaseLeft = wRCTypeLeft;
else
wBaseLeft = prevRect.right-pVect[0];
}
bPrevRCType = 0;
}
break;
case THAI_TOP_LINE_C_BR:
if(iPrevCharType < 0)
{
bDraw = FALSE;
}
else
{
BYTE bType = 0;
if(iPrevCharType == THAI_BASE_LINE_RSVH)
{
if(bWhichLine == 2)
{
bType = 1;
}
}
if(bType)
{
y = prevRect.top;
wBaseLeft = prevRect.left;
}
else
{
int iNextHeight = THAIGetCharHeight(*pText, ptrStart);
y = prevRect.top-(pVect[3]-pVect[2]);
if((iPrevCharType == THAI_BASE_LINE_RSL_GLUETOP) && (bWhichLine == 2))
;
else
y -= deltaY;
if(y < 0)
{
y = 0;
}
else if(iNextHeight > 0)
{
if(y < (iNextHeight+deltaY))
{
y = iNextHeight+deltaY;
}
}
wBaseLeft = prevRect.right-pVect[0]/2;
if(bWhichLine == 2)
{
bPrevRCType = 1;
wRCTypeLeft = wBaseLeft;
}
}
}
break;
case THAI_BTM_LINE:
if(iPrevCharType < 0)
{
bDraw = FALSE;
}
else
{
y = prevRect.bottom+deltaY;
wBaseLeft = prevRect.right-pVect[0];
if(height >= lpFont->lfHeight)
{
if((y+pVect[3]-pVect[2]) > height)
{
y = height-(pVect[3]-pVect[2]);
}
}
}
break;
}
if(bDraw && bDrawOut)
{
ptrRead = pData+address;
ptrWrite = bitmap.data+(y+dy)*bitmap.Width+wBaseLeft+dx;
for(i=0; i<height; i++)
{
count = 0;
for(k=0; k<pVect[1]; k++)
{
data = *ptrRead++;
for(j=0; j<8; j++)
{
if(count >= pVect[0])
{
break;
}
if(data & 0x80)
{
*(ptrWrite+count) = (BYTE)textColor;
}
count++;
data <<= 1;
}
}
ptrWrite += bitmap.Width;
}
}
//remember last rectangle area
switch(type)
{
case THAI_BASE_LINE_RSVH:
case THAI_BASE_LINE_RSL:
case THAI_BASE_LINE_NORMAL:
case THAI_BASE_LINE_RSL_GLUETOP:
iPrevCharType = type;
prevRect.left = wBaseLeft;
prevRect.right = wBaseLeft+pVect[5];
prevRect.top = pVect[2]+deltaY;
prevRect.bottom = pVect[3]+deltaY;
wBaseLeft += pVect[0];
textWidth += pVect[0];
if(THAIHaveBaseChar(pText, ptrStart))
{
wBaseLeft += charInterval;
textWidth += charInterval;
}
wOldLeft = wBaseLeft;
bWhichLine = 2;
break;
case THAI_ANSI_CHAR:
iPrevCharType = -1;
wBaseLeft += pVect[0];
textWidth += pVect[0];
if(THAIHaveBaseChar(pText, ptrStart))
{
wBaseLeft += charInterval;
textWidth += charInterval;
}
wOldLeft = wBaseLeft;
bWhichLine = 2;
break;
case THAI_TOP_LINE_C_BR:
if(iPrevCharType == THAI_BASE_LINE_RSVH)
{
if(bWhichLine == 2)
{
prevRect.right = prevRect.left+pVect[0];
}
}
else
{
prevRect.top -= (pVect[3]-pVect[2]);
if((iPrevCharType == THAI_BASE_LINE_RSL_GLUETOP) && (bWhichLine == 2))
;
else
prevRect.top -= deltaY;
}
wBaseLeft = wOldLeft;
if(!THAIHaveBaseChar(pText, ptrStart))
{
textWidth += pVect[0]/2;
}
bWhichLine = 1;
break;
case THAI_TOP_LINE:
if(iPrevCharType == THAI_BASE_LINE_RSVH)
{
if(bWhichLine == 2)
{
prevRect.right = prevRect.left+pVect[0];
}
}
else
{
prevRect.top -= (pVect[3]-pVect[2]);
if((iPrevCharType == THAI_BASE_LINE_RSL_GLUETOP) && (bWhichLine == 2))
;
else
prevRect.top -= deltaY;
}
wBaseLeft = wOldLeft;
bWhichLine = 1;
break;
default:
wBaseLeft = wOldLeft;
break;
}
}
if(bDrawOut && bDrawMode)
{
UTFPutScreen(left, top, &bitmap, 0);
SOWFree((void *)ptrHeader);
}
return textWidth;
}
static WORD THAIDrawTextFunc16(LPTEXT pText, WORD left, WORD top, WORD width, WORD height, WORD charInterval, UTFCOLOR textColor, LPUTFLOGFONT lpFont, BYTE bDrawOut)
{
DWORD address,dwSize;
WORD wBaseLeft = 0;
WORD wOldLeft = 0;
WORD count,wVectSize;
WORD textWidth = 0;
WORD wRCTypeLeft = 0;
WORD dx=0,dy=0;
BYTE bWhichLine = 2;
BYTE bPrevRCType = 0;
BYTE charactor,deltaY = 1;
BYTE data,type,bDraw;
BYTE bDrawMode=1;
int i,index,j,k,x,y;
int iPrevCharType = -1;
UTFOSDCOL color;
UTFRECT prevRect;
BYTE *pVect,*pData;
BYTE *ptrStart;
BYTE *ptrRead;
WORD *ptrWrite;
BYTE *ptrHeader;
UTFBITMAP bitmap;
if(height > lpFont->lfHeight)
{
height = lpFont->lfHeight;
}
if(lpFont->lfHeight > 20)
{
deltaY = (lpFont->lfHeight-16)/6;
}
if(height == lpFont->lfHeight)
{
height += deltaY;
}
if(bDrawOut)
{
UTFGetMemoryBitmap(&bitmap);
if(bitmap.data)
{
bDrawMode = 0;
dx = left;
dy = top;
}
else
{
if(width%32)
{
WORD wOldWidth = width;
UTFRECT rcFullScreen;
UTFGetFullScreenRect(&rcFullScreen);
width += 32-width%32;
if((left+width) > (rcFullScreen.right-rcFullScreen.left))
{
width = wOldWidth;
}
}
dwSize = width*height;
ptrHeader = (BYTE *)SOWMalloc(dwSize<<1);
if(ptrHeader == NULL)
return;
bitmap.data = ptrHeader;
bitmap.Width = width;
bitmap.Height = height;
bitmap.bitPerPixel = 16;
UTFSaveScreen(left, top, &bitmap, 0);
}
}
if(height > lpFont->lfHeight)
{
height = lpFont->lfHeight;
}
prevRect.left = wBaseLeft;
prevRect.right = wBaseLeft;
prevRect.top = 0;
prevRect.bottom = 0;
UTFMemCpyWORD(&wVectSize, (void *)lpFont->lfAddr1, 2);
ptrStart = (BYTE *)(lpFont->lfAddr1+2);
pData = ptrStart+wVectSize;
color.data = textColor;
while(*pText)
{
charactor = *pText++;
if((charactor > 4) && (charactor < 0x20))
continue;
if(charactor >= 0x20)
index = charactor - 28;
else
index = charactor - 1;
pVect = ptrStart;
address = 0;
for(i=0; i<index; i++)
{
address += pVect[1];
pVect += 7;
}
address *= lpFont->lfHeight;
if(pVect[0] == 0) //If this char real width is 0, don't use it
{
continue;
}
bDraw = TRUE;
type = pVect[6];
switch(type)
{
case THAI_BASE_LINE_NORMAL:
case THAI_BASE_LINE_RSVH:
case THAI_BASE_LINE_RSL:
case THAI_ANSI_CHAR:
case THAI_BASE_LINE_RSL_GLUETOP:
y = deltaY;
bPrevRCType = 0;
break;
case THAI_TOP_LINE:
if(iPrevCharType < 0)
{
bDraw = FALSE;
}
else
{
BYTE bType = 0;
if(iPrevCharType == THAI_BASE_LINE_RSVH)
{
if(bWhichLine == 2)
{
bType = 1;
}
}
if(bType)
{
y = prevRect.top;
wBaseLeft = prevRect.left;
}
else
{
int iNextHeight = THAIGetCharHeight(*pText, ptrStart);
y = prevRect.top-(pVect[3]-pVect[2]);
if((iPrevCharType == THAI_BASE_LINE_RSL_GLUETOP) && (bWhichLine == 2))
;
else
y -= deltaY;
if(y < 0)
{
y = 0;
}
else if(iNextHeight > 0)
{
if(y < (iNextHeight+deltaY))
{
y = iNextHeight+deltaY;
}
}
if(bPrevRCType && (charactor == 0xE9))
wBaseLeft = wRCTypeLeft;
else
wBaseLeft = prevRect.right-pVect[0];
}
bPrevRCType = 0;
}
break;
case THAI_TOP_LINE_C_BR:
if(iPrevCharType < 0)
{
bDraw = FALSE;
}
else
{
BYTE bType = 0;
if(iPrevCharType == THAI_BASE_LINE_RSVH)
{
if(bWhichLine == 2)
{
bType = 1;
}
}
if(bType)
{
y = prevRect.top;
wBaseLeft = prevRect.left;
}
else
{
int iNextHeight = THAIGetCharHeight(*pText, ptrStart);
y = prevRect.top-(pVect[3]-pVect[2]);
if((iPrevCharType == THAI_BASE_LINE_RSL_GLUETOP) && (bWhichLine == 2))
;
else
y -= deltaY;
if(y < 0)
{
y = 0;
}
else if(iNextHeight > 0)
{
if(y < (iNextHeight+deltaY))
{
y = iNextHeight+deltaY;
}
}
wBaseLeft = prevRect.right-pVect[0]/2;
if(bWhichLine == 2)
{
bPrevRCType = 1;
wRCTypeLeft = wBaseLeft;
}
}
}
break;
case THAI_BTM_LINE:
if(iPrevCharType < 0)
{
bDraw = FALSE;
}
else
{
y = prevRect.bottom+deltaY;
wBaseLeft = prevRect.right-pVect[0];
if(height >= lpFont->lfHeight)
{
if((y+pVect[3]-pVect[2]) > height)
{
y = height-(pVect[3]-pVect[2]);
}
}
}
break;
}
if(bDraw && bDrawOut)
{
ptrRead = pData+address;
ptrWrite = (WORD *)bitmap.data;
ptrWrite += (y+dy)*bitmap.Width+wBaseLeft+dx;
for(i=0; i<height; i++)
{
count = 0;
for(k=0; k<pVect[1]; k++)
{
data = *ptrRead++;
for(j=0; j<8; j++)
{
if(count >= pVect[0])
{
break;
}
if(data & 0x80)
{
*(ptrWrite+count) = (WORD)textColor;
}
count++;
data <<= 1;
}
}
ptrWrite += bitmap.Width;
}
}
//remember last rectangle area
switch(type)
{
case THAI_BASE_LINE_RSVH:
case THAI_BASE_LINE_RSL:
case THAI_BASE_LINE_NORMAL:
case THAI_BASE_LINE_RSL_GLUETOP:
iPrevCharType = type;
prevRect.left = wBaseLeft;
prevRect.right = wBaseLeft+pVect[5];
prevRect.top = pVect[2]+deltaY;
prevRect.bottom = pVect[3]+deltaY;
wBaseLeft += pVect[0];
textWidth += pVect[0];
if(THAIHaveBaseChar(pText, ptrStart))
{
wBaseLeft += charInterval;
textWidth += charInterval;
}
wOldLeft = wBaseLeft;