Sweden-Number/graphics/win16drv/font.c

218 lines
6.8 KiB
C

/*
* Windows driver font functions
*
* Copyright 1996 John Harvey
* 1998 Huw Davies
*/
#include <string.h>
#include "wine/winbase16.h"
#include "win16drv.h"
#include "module.h"
#include "font.h"
#include "heap.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(win16drv)
/***********************************************************************
* WIN16DRV_GetTextExtentPoint
*/
BOOL WIN16DRV_GetTextExtentPoint( DC *dc, LPCWSTR wstr, INT count,
LPSIZE size )
{
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
DWORD dwRet;
char *str;
TRACE("%04x %s %d %p\n",
dc->hSelf, debugstr_wn(wstr, count), count, size);
str = HeapAlloc( GetProcessHeap(), 0, count+1 );
lstrcpynWtoA( str, wstr, count+1 );
dwRet = PRTDRV_ExtTextOut(physDev->segptrPDEVICE, 0, 0,
NULL, str,
-count, physDev->FontInfo,
win16drv_SegPtr_DrawMode,
win16drv_SegPtr_TextXForm, NULL, NULL, 0);
size->cx = XDSTOLS(dc,LOWORD(dwRet));
size->cy = YDSTOLS(dc,HIWORD(dwRet));
TRACE("cx=0x%x, cy=0x%x\n",
size->cx, size->cy );
HeapFree( GetProcessHeap(), 0, str );
return TRUE;
}
/***********************************************************************
* WIN16DRV_GetTextMetrics
*/
BOOL WIN16DRV_GetTextMetrics( DC *dc, TEXTMETRICA *metrics )
{
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
TRACE("%04x \n", dc->hSelf);
FONT_TextMetric16to32A( &physDev->tm, metrics );
TRACE(
"H %ld, A %ld, D %ld, Int %ld, Ext %ld, AW %ld, MW %ld, W %ld\n",
metrics->tmHeight,
metrics->tmAscent,
metrics->tmDescent,
metrics->tmInternalLeading,
metrics->tmExternalLeading,
metrics->tmAveCharWidth,
metrics->tmMaxCharWidth,
metrics->tmWeight);
return TRUE;
}
HFONT WIN16DRV_FONT_SelectObject( DC * dc, HFONT hfont, FONTOBJ * font)
{
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
HPEN prevHandle = dc->w.hFont;
int nSize;
dc->w.hFont = hfont;
TRACE("WIN16DRV_FONT_SelectObject '%s' h=%d\n",
font->logfont.lfFaceName, font->logfont.lfHeight);
if( physDev->FontInfo )
{
TRACE("UnRealizing FontInfo\n");
nSize = PRTDRV_RealizeObject (physDev->segptrPDEVICE, -DRVOBJ_FONT,
physDev->FontInfo,
physDev->FontInfo, 0);
}
memcpy(&physDev->lf, &font->logfont, sizeof(LOGFONT16));
nSize = PRTDRV_RealizeObject (physDev->segptrPDEVICE, DRVOBJ_FONT,
&physDev->lf, 0, 0);
if( physDev->FontInfo &&
HeapSize( SegptrHeap, 0, physDev->FontInfo ) < nSize )
{
SEGPTR_FREE( physDev->FontInfo );
physDev->FontInfo = NULL;
}
if( !physDev->FontInfo )
physDev->FontInfo = SEGPTR_ALLOC( nSize );
nSize = PRTDRV_RealizeObject(physDev->segptrPDEVICE, DRVOBJ_FONT,
&physDev->lf,
physDev->FontInfo,
win16drv_SegPtr_TextXForm );
#define fi physDev->FontInfo
physDev->tm.tmHeight = YDSTOLS(dc, fi->dfPixHeight);
physDev->tm.tmAscent = YDSTOLS(dc, fi->dfAscent);
physDev->tm.tmDescent = physDev->tm.tmHeight -
physDev->tm.tmAscent;
physDev->tm.tmInternalLeading = YDSTOLS(dc, fi->dfInternalLeading);
physDev->tm.tmExternalLeading = YDSTOLS(dc, fi->dfExternalLeading);
physDev->tm.tmAveCharWidth = XDSTOLS(dc, fi->dfAvgWidth);
physDev->tm.tmMaxCharWidth = XDSTOLS(dc, fi->dfMaxWidth);
physDev->tm.tmWeight = fi->dfWeight;
physDev->tm.tmOverhang = 0; /*FIXME*/
physDev->tm.tmDigitizedAspectX = fi->dfHorizRes;
physDev->tm.tmDigitizedAspectY = fi->dfVertRes;
physDev->tm.tmFirstChar = fi->dfFirstChar;
physDev->tm.tmLastChar = fi->dfLastChar;
physDev->tm.tmDefaultChar = fi->dfDefaultChar;
physDev->tm.tmBreakChar = fi->dfBreakChar;
physDev->tm.tmItalic = fi->dfItalic;
physDev->tm.tmUnderlined = fi->dfUnderline;
physDev->tm.tmStruckOut = fi->dfStrikeOut;
physDev->tm.tmPitchAndFamily = fi->dfPitchAndFamily;
physDev->tm.tmCharSet = fi->dfCharSet;
#undef fi
TRACE("H %d, A %d, D %d, Int %d, Ext %d, AW %d, MW %d, W %d\n",
physDev->tm.tmHeight,
physDev->tm.tmAscent,
physDev->tm.tmDescent,
physDev->tm.tmInternalLeading,
physDev->tm.tmExternalLeading,
physDev->tm.tmAveCharWidth,
physDev->tm.tmMaxCharWidth,
physDev->tm.tmWeight);
return prevHandle;
}
/***********************************************************************
* GetCharWidth32A (GDI32.155)
*/
BOOL WIN16DRV_GetCharWidth( DC *dc, UINT firstChar, UINT lastChar,
LPINT buffer )
{
int i;
WORD wRet;
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
TRACE("%d - %d into %p\n",
firstChar, lastChar, buffer );
wRet = PRTDRV_GetCharWidth( physDev->segptrPDEVICE, buffer, firstChar,
lastChar, physDev->FontInfo,
win16drv_SegPtr_DrawMode,
win16drv_SegPtr_TextXForm );
if( TRACE_ON(win16drv) ){
for(i = 0; i <= lastChar - firstChar; i++)
TRACE("Char %x: width %d\n", i + firstChar,
buffer[i]);
}
return wRet;
}
/***********************************************************************
*
* WIN16DRV_EnumDeviceFonts
*/
BOOL WIN16DRV_EnumDeviceFonts( DC* dc, LPLOGFONT16 plf,
DEVICEFONTENUMPROC proc, LPARAM lp )
{
WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
WORD wRet;
WEPFC wepfc;
/* EnumDFontCallback is GDI.158 */
FARPROC16 pfnCallback = NE_GetEntryPoint( GetModuleHandle16("GDI"), 158 );
wepfc.proc = (int (*)(LPENUMLOGFONT16,LPNEWTEXTMETRIC16,UINT16,LPARAM))proc;
wepfc.lp = lp;
wRet = PRTDRV_EnumDFonts(physDev->segptrPDEVICE, plf->lfFaceName[0] ?
plf->lfFaceName : NULL , pfnCallback , &wepfc );
return wRet;
}
/***********************************************************************
* EnumCallback (GDI.158)
*
* This is the callback function used when EnumDFonts is called.
* (The printer drivers uses it to pass info on available fonts).
*
* lpvClientData is the pointer passed to EnumDFonts, which points to a WEPFC
* structure (WEPFC = WINE_ENUM_PRINTER_FONT_CALLBACK).
*
*/
WORD WINAPI EnumCallback16(LPENUMLOGFONT16 lpLogFont,
LPNEWTEXTMETRIC16 lpTextMetrics,
WORD wFontType, LONG lpClientData)
{
TRACE("In EnumCallback16 plf=%p\n", lpLogFont);
return (*(((WEPFC *)lpClientData)->proc))( lpLogFont, lpTextMetrics,
wFontType, ((WEPFC *)lpClientData)->lp );
}