Sweden-Number/dlls/wineps.drv/text.c

293 lines
8.3 KiB
C

/*
* PostScript driver text functions
*
* Copyright 1998 Huw D M Davies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <math.h>
#include "windef.h"
#include "wingdi.h"
#include "psdrv.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
typedef struct tagRun {
INT start;
BOOL vertical;
INT x;
INT y;
}Run;
static BOOL PSDRV_Text(PHYSDEV dev, INT x, INT y, UINT flags,
LPCWSTR str, UINT count,
BOOL bDrawBackground, const INT *lpDx);
static const struct { WCHAR lower; WCHAR upper;} unrotate_ranges[] =
{
{0x0000, 0x10FF},
/* Hangul Jamo */
{0x1200, 0x17FF},
/* Mongolian */
{0x18B0, 0x1FFF},
/* General Punctuation */
{0x2070, 0x209F},
/* Currency Symbols */
/* Combining Diacritical Marks for Symbols */
/* Letterlike Symbols */
{0x2150, 0x245F},
/* Enclosed Alphanumerics */
{0x2500, 0x259F},
/* Geometric Shapes */
/* Miscellaneous Symbols */
/* Dingbats */
/* Miscellaneous Mathematical Symbols-A */
/* Supplemental Arrows-A */
{0x2800, 0x2E7F},
/* East Asian scripts and symbols */
{0xA000, 0xABFF},
/* Hangul Syllables */
/* Hangul Jamo Extended-B */
{0xD800, 0xDFFF},
/* Private Use Area */
/* CJK Compatibility Ideographs */
{0xFB00, 0xFE0F},
/* Vertical Forms */
/* Combining Half Marks */
/* CJK Compatibility Forms */
{0xFE50, 0xFEFF},
/* Halfwidth and Fullwidth Forms */
{0xFFEF, 0xFFFF},
};
static BOOL check_unicode_tategaki(WCHAR uchar)
{
int i;
for (i = 0 ;; i++)
{
if (uchar < unrotate_ranges[i].lower)
return TRUE;
if (uchar >= unrotate_ranges[i].lower && uchar <= unrotate_ranges[i].upper)
return FALSE;
}
}
static Run* build_vertical_runs(PHYSDEV dev, UINT flags, LPCWSTR str, UINT count, INT *run_count)
{
BOOL last_vert;
INT start, end;
INT array_size = 5;
Run *run = HeapAlloc(GetProcessHeap(),0,sizeof(Run)*array_size);
int index = 0;
LOGFONTW lf;
if (count && str && (!(flags & ETO_GLYPH_INDEX)) && GetObjectW( GetCurrentObject(dev->hdc, OBJ_FONT), sizeof(lf), &lf ) && (lf.lfFaceName[0] == '@'))
{
last_vert = check_unicode_tategaki(str[0]);
start = end = 0;
while (start < count)
{
int offset = 0;
while (end < count && check_unicode_tategaki(str[end]) == last_vert)
end++;
run[index].start = start;
run[index].vertical = last_vert;
run[index].x = 0;
run[index].y = 0;
if (run[index].vertical)
{
TEXTMETRICW tm;
GetTextMetricsW(dev->hdc, &tm);
offset += PSDRV_XWStoDS(dev, tm.tmAscent - tm.tmInternalLeading);
}
if (start > 0)
{
SIZE size;
GetTextExtentPointW(dev->hdc, str, start, &size);
offset += PSDRV_XWStoDS(dev, size.cx);
}
if (offset)
{
double angle;
angle = (lf.lfEscapement / 10.0) * M_PI / 180.0;
run[index].y = -offset * sin(angle);
run[index].x = -offset * cos(angle);
}
index ++;
if (index >= array_size)
{
array_size *=2;
run = HeapReAlloc(GetProcessHeap(), 0, run, sizeof(Run)*array_size);
}
start = end;
if (start < count)
last_vert = check_unicode_tategaki(str[end]);
}
}
else
{
run[0].start = 0;
run[0].vertical = 0;
run[0].x = 0;
run[0].y = 0;
index = 1;
}
*run_count = index;
return run;
}
/***********************************************************************
* PSDRV_ExtTextOut
*/
BOOL PSDRV_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *lprect, LPCWSTR str, UINT count,
const INT *lpDx )
{
PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
BOOL bResult = TRUE;
BOOL bClipped = FALSE;
BOOL bOpaque = FALSE;
Run *runs = NULL;
int run_count = 0;
int i = 0;
TRACE("(x=%d, y=%d, flags=0x%08x, str=%s, count=%d, lpDx=%p)\n", x, y,
flags, debugstr_wn(str, count), count, lpDx);
if(physDev->job.id == 0) return FALSE;
runs = build_vertical_runs(dev, flags, str, count, &run_count);
/* set draw background */
if ((flags & ETO_OPAQUE) && (lprect != NULL))
{
PSDRV_SetClip(dev);
PSDRV_WriteGSave(dev);
PSDRV_WriteRectangle(dev, lprect->left, lprect->top, lprect->right - lprect->left,
lprect->bottom - lprect->top);
bOpaque = TRUE;
PSDRV_WriteSetColor(dev, &physDev->bkColor);
PSDRV_WriteFill(dev);
PSDRV_WriteGRestore(dev);
PSDRV_ResetClip(dev);
}
while (i < run_count)
{
int cnt;
if (i != run_count - 1)
cnt = runs[i+1].start- runs[i].start;
else
cnt = count - runs[i].start;
PSDRV_SetFont(dev, runs[i].vertical);
PSDRV_SetClip(dev);
/* set clipping */
if ((flags & ETO_CLIPPED) && (lprect != NULL))
{
PSDRV_WriteGSave(dev);
PSDRV_WriteRectangle(dev, lprect->left, lprect->top, lprect->right - lprect->left,
lprect->bottom - lprect->top);
bClipped = TRUE;
PSDRV_WriteClip(dev);
bResult = PSDRV_Text(dev, runs[i].x+x, runs[i].y+y, flags, &str[runs[i].start], cnt, !(bClipped && bOpaque), (lpDx)?&lpDx[runs[i].start]:NULL);
PSDRV_WriteGRestore(dev);
}
else
bResult = PSDRV_Text(dev, runs[i].x+x, runs[i].y+y, flags, &str[runs[i].start], cnt, TRUE, (lpDx)?&lpDx[runs[i].start]:NULL);
i++;
PSDRV_ResetClip(dev);
}
HeapFree(GetProcessHeap(),0,runs);
return bResult;
}
/***********************************************************************
* PSDRV_Text
*/
static BOOL PSDRV_Text(PHYSDEV dev, INT x, INT y, UINT flags, LPCWSTR str,
UINT count, BOOL bDrawBackground, const INT *lpDx)
{
PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
WORD *glyphs = NULL;
if (!count)
return TRUE;
if(physDev->font.fontloc == Download && !(flags & ETO_GLYPH_INDEX))
{
glyphs = HeapAlloc( GetProcessHeap(), 0, count * sizeof(WORD) );
GetGlyphIndicesW( dev->hdc, str, count, glyphs, 0 );
str = glyphs;
}
PSDRV_WriteMoveTo(dev, x, y);
if(!lpDx) {
if(physDev->font.fontloc == Download)
PSDRV_WriteDownloadGlyphShow(dev, str, count);
else
PSDRV_WriteBuiltinGlyphShow(dev, str, count);
}
else {
UINT i;
POINT offset = {0, 0};
for(i = 0; i < count-1; i++) {
if(physDev->font.fontloc == Download)
PSDRV_WriteDownloadGlyphShow(dev, str + i, 1);
else
PSDRV_WriteBuiltinGlyphShow(dev, str + i, 1);
if(flags & ETO_PDY)
{
offset.x += lpDx[i * 2];
offset.y += lpDx[i * 2 + 1];
}
else
offset.x += lpDx[i];
PSDRV_WriteMoveTo(dev, x + offset.x, y + offset.y);
}
if(physDev->font.fontloc == Download)
PSDRV_WriteDownloadGlyphShow(dev, str + i, 1);
else
PSDRV_WriteBuiltinGlyphShow(dev, str + i, 1);
}
HeapFree( GetProcessHeap(), 0, glyphs );
return TRUE;
}