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![Alexandre Julliard](/assets/img/avatar_default.png)
Tue Jan 4 13:01:33 1994 David Metcalfe <david@prism.demon.co.uk> * [window/caret.c] Modified code to use system timer. Jan 9, 94 martin2@trgcorp.solucorp.qc.ca (Martin Ayotte) * [windows/win.c] Windows create if required new XLIB MenuBar & CaptionBar. * [windows/defwnd.c] WM_CALCSIZE Move & Resize caption, menubar & scrollbars. (I'm not sure it's the good place for it, but it work...) * [loader/resource.c] optimize in FindResourceByNumber, make lseek() if next type ... * [controls/scroll.c] scrollbar buttons are now using system resources bitmaps. * [controls/caption.c] - new file ... captionbar showing title, close button with SysMenu, and other buttons using system resources bitmaps. * [controls/menu.c] New functions: SetMenuItemBitmaps() with 'glues', Make new version of LoadMenu() & ParseMenu(), ( put #define USE_POPUPMENU ). Implementation of MenuBar functions. * [sysres.dll] New bitmaps for system such OBM_CLOSE, OBM_MINIMIZE, OBM_UPARROWI. New SYSMENU menu, it don't work yet ! :-(( Tue Jan 11 05:27:45 1994 julliard@di.epfl.ch (Alexandre Julliard * [memory/atom.c] Fixed a bug that could cause atoms to be case-sensitive. * [misc/rect.c] Bug fix in SubtractRect(). * [objects/clipping.c] Bug fix when setting the clip mask to an empty region. * [windows/dce.c] Bug fix in ReleaseDC(). * [windows/dialog.c] Call AdjustWindowRectEx() before creating the dialog window. Added support for DS_MODALFRAME style. * [windows/event.c] Cleaned up event handling and removed old Xt stuff. Moved double-click handling to windows/message.c * [windows/focus.c] Bug fix: only set the X focus when the window is viewable. * [windows/graphics.c] Rewritten DrawReliefRect() to use brush instead of pen, and to use the system colors. * [windows/message.c] Implemented WM_NCHITTEST message sending, and non-client mouse messages. Cleaned up double-click handling, and removed the Xt code. * [windows/nonclient.c] (New file) Implemented AdjustWindowRect(). Implemented WM_NCCALCSIZE, WM_NCHITTEST and WM_NCPAINT handling. * [windows/painting.c] Added sending of the WM_NCPAINT message in BeginPaint(). * [windows/sysmetrics.c] [include/sysmetrics.h] (New files) Implemented system metrics. * [windows/win.c] Bug fix in setting the parent and owner in CreateWindow(). Removed the Xt code. * [windows/winpos.c] Added sending of the WM_NCPAINT message in SetWindowPos(). Removed the Xt code.
391 lines
11 KiB
C
391 lines
11 KiB
C
/*
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* GDI font objects
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*
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* Copyright 1993 Alexandre Julliard
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*/
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static char Copyright[] = "Copyright Alexandre Julliard, 1993";
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#include <stdio.h>
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#include <stdlib.h>
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#include <X11/Xatom.h>
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#include "gdi.h"
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/***********************************************************************
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* FONT_MatchFont
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*
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* Find a X font matching the logical font.
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*/
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XFontStruct * FONT_MatchFont( DC * dc, LOGFONT * font )
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{
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char pattern[100];
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char *family, *weight, *charset;
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char **names;
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char slant, spacing;
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int width, height, count;
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XFontStruct * fontStruct;
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weight = (font->lfWeight > 550) ? "bold" : "medium";
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slant = font->lfItalic ? 'i' : 'r';
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height = font->lfHeight * 10;
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width = font->lfWidth * 10;
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spacing = (font->lfPitchAndFamily & FIXED_PITCH) ? 'm' :
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(font->lfPitchAndFamily & VARIABLE_PITCH) ? 'p' : '*';
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charset = (font->lfCharSet == ANSI_CHARSET) ? "iso8859-1" : "*";
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family = font->lfFaceName;
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if (!*family) switch(font->lfPitchAndFamily & 0xf0)
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{
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case FF_ROMAN: family = "times"; break;
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case FF_SWISS: family = "helvetica"; break;
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case FF_MODERN: family = "courier"; break;
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case FF_SCRIPT: family = "*"; break;
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case FF_DECORATIVE: family = "*"; break;
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default: family = "*"; break;
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}
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sprintf( pattern, "-*-%s-%s-%c-normal--*-%d-*-*-%c-%d-%s",
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family, weight, slant, height, spacing, width, charset );
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#ifdef DEBUG_FONT
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printf( "FONT_MatchFont: '%s'\n", pattern );
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#endif
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names = XListFonts( XT_display, pattern, 1, &count );
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if (!count)
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{
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#ifdef DEBUG_FONT
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printf( " No matching font found\n" );
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#endif
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return NULL;
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}
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#ifdef DEBUG_FONT
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printf( " Found '%s'\n", *names );
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#endif
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fontStruct = XLoadQueryFont( XT_display, *names );
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XFreeFontNames( names );
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return fontStruct;
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}
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/***********************************************************************
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* FONT_GetMetrics
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*/
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void FONT_GetMetrics( LOGFONT * logfont, XFontStruct * xfont,
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TEXTMETRIC * metrics )
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{
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int average, i;
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unsigned long prop;
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metrics->tmAscent = xfont->ascent;
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metrics->tmDescent = xfont->descent;
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metrics->tmHeight = xfont->ascent + xfont->descent;
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metrics->tmInternalLeading = 0;
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if (XGetFontProperty( xfont, XA_X_HEIGHT, &prop ))
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metrics->tmInternalLeading = xfont->ascent - (short)prop;
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metrics->tmExternalLeading = 0;
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metrics->tmMaxCharWidth = xfont->max_bounds.width;
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metrics->tmWeight = logfont->lfWeight;
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metrics->tmItalic = logfont->lfItalic;
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metrics->tmUnderlined = logfont->lfUnderline;
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metrics->tmStruckOut = logfont->lfStrikeOut;
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metrics->tmFirstChar = xfont->min_char_or_byte2;
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metrics->tmLastChar = xfont->max_char_or_byte2;
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metrics->tmDefaultChar = xfont->default_char;
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metrics->tmBreakChar = ' ';
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metrics->tmPitchAndFamily = logfont->lfPitchAndFamily;
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metrics->tmCharSet = logfont->lfCharSet;
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metrics->tmOverhang = 0;
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metrics->tmDigitizedAspectX = 1;
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metrics->tmDigitizedAspectY = 1;
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if (xfont->per_char) average = metrics->tmMaxCharWidth;
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else
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{
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XCharStruct * charPtr = xfont->per_char;
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average = 0;
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for (i = metrics->tmFirstChar; i <= metrics->tmLastChar; i++)
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{
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average += charPtr->width;
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charPtr++;
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}
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average /= metrics->tmLastChar - metrics->tmFirstChar + 1;
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}
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metrics->tmAveCharWidth = average;
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}
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/***********************************************************************
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* CreateFontIndirect (GDI.57)
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*/
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HFONT CreateFontIndirect( LOGFONT * font )
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{
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FONTOBJ * fontPtr;
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HFONT hfont = GDI_AllocObject( sizeof(FONTOBJ), FONT_MAGIC );
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if (!hfont) return 0;
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fontPtr = (FONTOBJ *) GDI_HEAP_ADDR( hfont );
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memcpy( &fontPtr->logfont, font, sizeof(LOGFONT) );
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return hfont;
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}
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/***********************************************************************
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* CreateFont (GDI.56)
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*/
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HFONT CreateFont( int height, int width, int esc, int orient, int weight,
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BYTE italic, BYTE underline, BYTE strikeout, BYTE charset,
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BYTE outpres, BYTE clippres, BYTE quality, BYTE pitch,
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LPSTR name )
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{
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LOGFONT logfont = { height, width, esc, orient, weight, italic, underline,
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strikeout, charset, outpres, clippres, quality, pitch, };
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strncpy( logfont.lfFaceName, name, LF_FACESIZE );
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return CreateFontIndirect( &logfont );
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}
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/***********************************************************************
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* FONT_GetObject
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*/
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int FONT_GetObject( FONTOBJ * font, int count, LPSTR buffer )
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{
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if (count > sizeof(LOGFONT)) count = sizeof(LOGFONT);
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memcpy( buffer, &font->logfont, count );
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return count;
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}
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/***********************************************************************
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* FONT_SelectObject
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*/
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HFONT FONT_SelectObject( DC * dc, HFONT hfont, FONTOBJ * font )
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{
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static X_PHYSFONT stockFonts[LAST_STOCK_FONT-FIRST_STOCK_FONT+1];
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X_PHYSFONT * stockPtr;
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HFONT prevHandle = dc->w.hFont;
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XFontStruct * fontStruct;
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/* Load font if necessary */
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if ((hfont >= FIRST_STOCK_FONT) && (hfont <= LAST_STOCK_FONT))
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stockPtr = &stockFonts[hfont - FIRST_STOCK_FONT];
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else stockPtr = NULL;
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if (!stockPtr || !stockPtr->fstruct)
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{
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fontStruct = FONT_MatchFont( dc, &font->logfont );
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}
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else
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{
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fontStruct = stockPtr->fstruct;
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#ifdef DEBUG_FONT
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printf( "FONT_SelectObject: Loaded font from cache %x %p\n",
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hfont, fontStruct );
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#endif
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}
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if (!fontStruct) return 0;
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/* Free previous font */
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if ((prevHandle < FIRST_STOCK_FONT) || (prevHandle > LAST_STOCK_FONT))
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{
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if (dc->u.x.font.fstruct)
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XFreeFont( XT_display, dc->u.x.font.fstruct );
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}
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/* Store font */
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dc->w.hFont = hfont;
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if (stockPtr)
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{
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if (!stockPtr->fstruct)
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{
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stockPtr->fstruct = fontStruct;
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FONT_GetMetrics( &font->logfont, fontStruct, &stockPtr->metrics );
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}
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memcpy( &dc->u.x.font, stockPtr, sizeof(*stockPtr) );
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}
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else
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{
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dc->u.x.font.fstruct = fontStruct;
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FONT_GetMetrics( &font->logfont, fontStruct, &dc->u.x.font.metrics );
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}
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return prevHandle;
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}
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/***********************************************************************
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* GetTextCharacterExtra (GDI.89)
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*/
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short GetTextCharacterExtra( HDC hdc )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return 0;
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return abs( (dc->w.charExtra * dc->w.WndExtX + dc->w.VportExtX / 2)
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/ dc->w.VportExtX );
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}
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/***********************************************************************
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* SetTextCharacterExtra (GDI.8)
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*/
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short SetTextCharacterExtra( HDC hdc, short extra )
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{
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short prev;
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return 0;
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extra = (extra * dc->w.VportExtX + dc->w.WndExtX / 2) / dc->w.WndExtX;
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prev = dc->w.charExtra;
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dc->w.charExtra = abs(extra);
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return (prev * dc->w.WndExtX + dc->w.VportExtX / 2) / dc->w.VportExtX;
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}
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/***********************************************************************
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* SetTextJustification (GDI.10)
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*/
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short SetTextJustification( HDC hdc, short extra, short breaks )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return 0;
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extra = abs((extra * dc->w.VportExtX + dc->w.WndExtX / 2) / dc->w.WndExtX);
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if (!extra) breaks = 0;
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dc->w.breakTotalExtra = extra;
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dc->w.breakCount = breaks;
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if (breaks)
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{
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dc->w.breakExtra = extra / breaks;
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dc->w.breakRem = extra - (dc->w.breakCount * dc->w.breakExtra);
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}
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else
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{
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dc->w.breakExtra = 0;
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dc->w.breakRem = 0;
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}
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return 1;
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}
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/***********************************************************************
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* GetTextExtent (GDI.91)
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*/
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DWORD GetTextExtent( HDC hdc, LPSTR str, short count )
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{
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SIZE size;
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if (!GetTextExtentPoint( hdc, str, count, &size )) return 0;
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return size.cx | (size.cy << 16);
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}
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/***********************************************************************
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* GetTextExtentPoint (GDI.471)
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*/
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BOOL GetTextExtentPoint( HDC hdc, LPSTR str, short count, LPSIZE size )
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{
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int dir, ascent, descent;
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XCharStruct info;
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return FALSE;
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XTextExtents( dc->u.x.font.fstruct, str, count, &dir,
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&ascent, &descent, &info );
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size->cx = abs((info.width + dc->w.breakRem + count * dc->w.charExtra)
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* dc->w.WndExtX / dc->w.VportExtX);
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size->cy = abs((dc->u.x.font.fstruct->ascent+dc->u.x.font.fstruct->descent)
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* dc->w.WndExtY / dc->w.VportExtY);
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#ifdef DEBUG_FONT
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printf( "GetTextExtentPoint(%d '%s' %d %p): returning %d,%d\n",
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hdc, str, count, size, size->cx, size->cy );
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#endif
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return TRUE;
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}
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/***********************************************************************
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* GetTextMetrics (GDI.93)
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*/
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BOOL GetTextMetrics( HDC hdc, LPTEXTMETRIC metrics )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return FALSE;
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memcpy( metrics, &dc->u.x.font.metrics, sizeof(*metrics) );
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metrics->tmAscent = abs( metrics->tmAscent
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* dc->w.WndExtY / dc->w.VportExtY );
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metrics->tmDescent = abs( metrics->tmDescent
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* dc->w.WndExtY / dc->w.VportExtY );
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metrics->tmHeight = metrics->tmAscent + metrics->tmDescent;
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metrics->tmInternalLeading = abs( metrics->tmInternalLeading
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* dc->w.WndExtY / dc->w.VportExtY );
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metrics->tmExternalLeading = abs( metrics->tmExternalLeading
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* dc->w.WndExtY / dc->w.VportExtY );
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metrics->tmMaxCharWidth = abs( metrics->tmMaxCharWidth
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* dc->w.WndExtX / dc->w.VportExtX );
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metrics->tmAveCharWidth = abs( metrics->tmAveCharWidth
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* dc->w.WndExtX / dc->w.VportExtX );
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return TRUE;
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}
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/***********************************************************************/
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#define CI_NONEXISTCHAR(cs) (((cs)->width == 0) && \
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(((cs)->rbearing|(cs)->lbearing| \
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(cs)->ascent|(cs)->descent) == 0))
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/*
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* CI_GET_CHAR_INFO - return the charinfo struct for the indicated 8bit
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* character. If the character is in the column and exists, then return the
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* appropriate metrics (note that fonts with common per-character metrics will
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* return min_bounds). If none of these hold true, try again with the default
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* char.
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*/
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#define CI_GET_CHAR_INFO(fs,col,def,cs) \
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{ \
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cs = def; \
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if (col >= fs->min_char_or_byte2 && col <= fs->max_char_or_byte2) { \
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if (fs->per_char == NULL) { \
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cs = &fs->min_bounds; \
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} else { \
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cs = &fs->per_char[(col - fs->min_char_or_byte2)]; \
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if (CI_NONEXISTCHAR(cs)) cs = def; \
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} \
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} \
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}
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#define CI_GET_DEFAULT_INFO(fs,cs) \
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CI_GET_CHAR_INFO(fs, fs->default_char, NULL, cs)
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/***********************************************************************
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* GetCharWidth (GDI.350)
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*/
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BOOL GetCharWidth(HDC hdc, WORD wFirstChar, WORD wLastChar, LPINT lpBuffer)
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{
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int i, j;
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XFontStruct *xfont;
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XCharStruct *cs, *def;
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DC *dc = (DC *)GDI_GetObjPtr(hdc, DC_MAGIC);
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if (!dc) return FALSE;
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xfont = dc->u.x.font.fstruct;
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/* fixed font? */
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if (xfont->per_char == NULL)
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{
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for (i = wFirstChar, j = 0; i <= wLastChar; i++, j++)
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*(lpBuffer + j) = xfont->max_bounds.width;
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return TRUE;
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}
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CI_GET_DEFAULT_INFO(xfont, def);
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for (i = wFirstChar, j = 0; i <= wLastChar; i++, j++)
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{
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CI_GET_CHAR_INFO(xfont, i, def, cs);
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*(lpBuffer + j) = cs->width;
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}
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return TRUE;
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}
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