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![Alexandre Julliard](/assets/img/avatar_default.png)
Fri Sep 3 11:52:18 1993 Bob Amstadt * [windows/timer.c] Changed to use CallWindowProc() rather directly calling callback. * [windows/event.c] Implemented SetCapture() and ReleaseCapture() * [windows/keyboard.c] Created stub for GetKeyState() * [objects/linedda.c] Created stub for LineDDA() * [if1632/callback.c] Created callback handler for LineDDA callback procedure. * [if1632/callback.c] Created FreeProcInstance() Fri Sep 3 08:36:52 1993 David Metcalfe * [loader/signal.c] Patch to and code for INT 1A Thu Sep 2 00:31:54 1993 Alexandre Julliard * [objects/font.c] [objects/text.c] More text support: implemented justification and underlining. * [windows/clipping.c] [objects/clipping.c] Moved low-level clipping functions to objects/clipping.c. * [windows/clipping.c] [windows/event.c] [windows/message.c] Implemented window update regions. * [windows/dc.c] [objects/dcvalues.c] Moved some device-independent DC functions to objects/dcvalues.c. * [windows/graphics.c] Implemented InvertRect() and GetPixel(). Sat Aug 28 08:40:23 1993 Eric Youngdale * [include/neexe.h] [loader/wine.c] Added code to handle relocation type 4. * [loader/signal.h] [loader/wine.c] [loader/selector.c] Added support for dos interrupts. Thu 26 Aug 19:15:00 1993 Eric Youngdale * [loader/selector.c] Fixed bug dealing with loading DLLs. Thu Aug 26 19:22:40 1993 Alexandre Julliard * [include/gdi.h] [objects/font.c] [windows/dc.c] Beginning of real font support. * [windows/graphics.c] Implemented PatBlt(). * [memory/global.c] Corrected a bug with linked list handling in GlobalAlloc(). * [objects/bitmap.c] Corrected a bug in BITMAP_SelectObject(). Tue Aug 24 19:22:40 1993 David Metcalfe * [controls/Command*] [controls/Label*] [controls[MenuButto*] [controls/SmeMenuButt*] Change code to support & as a special character in menu item text. Tue Aug 24 19:22:40 1993 Alexandre Julliard * [include/gdi.h] [windows/dc.c] Heavily modified the DC structure for better device-independence. * [objects/bitmap.c] Implemented bitmap dimensions. * [windows/dc.c] [windows/dce.c] Implemented DC state saving and restoring. * [windows/dc.c] Implemented ROP mode. * [windows/graphics.c] Implemented FillRect(). Mon Aug 23 22:08:34 1993 Bob Amstadt (bob at pooh) * [misc/xt.c] Fixed bug in InvalidateRect(). Solitaire attempted to clear window before it was realized. * [loader/resource.c] Began rewrite of LoadBitmap(). * [loader/wine.c] Fixed code which set Argv and Argc global variables. * [loader/selector.c] Added code to set up command line arguments. * [include/neexe.h] Fixed error in PSP structure. Tue Aug 17 20:41:12 1993 Alexandre Julliard * [include/gdi.h] [windows/dc.c] Implemented device capabilities. * [objects/region.c] Implemented EqualRgn() and CombineRgn(). * [windows/clipping.c] Implemented Save/RestoreVisRgn(). * [windows/graphics.c] Implemented PaintRgn() and FillRgn(). * [windows/mapping.c] Implemented mapping modes. Tue Aug 10 14:07:38 1993 Alexandre Julliard * [if1632/user.spec] [misc/rect.c] Implemented rectangle API functions. * [if1632/gdi.spec] [include/gdi.h] [objects/region.c] Implemented regions. * [windows/class.c] Corrected a typo in UnregisterClass(). * [windows/clipping.c] [windows/dc.c] Implemented DC clipping and visible region. Tue Aug 10 20:57:56 1993 Bob Amstadt (bob at pooh) * [controls/menu.c] [windows/win.c] SetMenu(), GetMenu(), CheckMenuItem() implemented Thu Aug 5 22:33:22 1993 Bob Amstadt (bob at pooh) * [controls/menu.c] [windows/win.c] Many improvements menus. LoadMenu() should work. Wed Aug 4 14:55:36 1993 Alexandre Julliard * [objects/dib.c] Started the implementation of device-independent bitmaps. * [objects/bitmap.c] Added support for multiple bitmap depths. * [objects/brush.c] Implemented pattern brushes. * [windows/dc.c] [windows/graphics.c] Implemented some GDI graphics primitives. Tue Aug 3 21:16:47 1993 Bob Amstadt (bob at pooh) * [controls/menu.c] [windows/win.c] [include/menu.h] Code to load class menus from executable file. * [if1632/user.spec] Fixed specification of SendMessage() and PostMessage. Mon Jul 26 21:53:24 1993 Alexandre Julliard * [if1632/call.S] Corrected a bug in KERNEL_InitTask(). * [include/windows.h] Added a lot of constants. * [loader/selector.c] Corrected a bug in segment allocation in CreateSelectors(). * [objects/bitmap.c] Implemented SelectObject() for bitmaps. * [objects/brush.c] Implemented hatched brushes and SelectObject(). * [objects/gdiobj.c] Removed linked list (not needed). * [objects/palette.c] Implemented system palette creation and misc. palette API functions. * [windows/timer.c] Implemented timers. * [windows/dc.c] Implemented memory device contexts. Tue Jul 20 10:38:59 1993 Bob Amstadt (bob at pooh) * [dos.c] Split DOS3Call() out of kernel.c. Added support for get date and time functions. * [call.S] Added function ReturnFromRegisterFunc() to allow DOS calls to return values in registers. * [regfunc.h] Macros to access registers saved on stack. Tue Jul 20 10:38:59 1993 Alexandre Julliard * [win.c] Corrected allocation of the WM_CREATE data structure. * [dce.c] [dce.h] Implemented DCE handling. * [bitmap.c] [brush.c] [dc.c] [font.c] [gdi.h] [gdi.spec] [gdiobj.c] [palette.c] [pen.c] Implemented the GDI objects data structures and allocation. * [windows.h] Added several structures and constants for GDI objects. Mon Jul 19 12:51:10 1993 Bob Amstadt (bob at pooh) * [ldtlib.c] Modified system calls to match Linus' new interface for the LDT modification. * [win.c] Fixed bug with WM_CREATE message. * [heap.c] [kernel.spec] Completed local heap allocation functions. * [global.c] Created function GlobalQuickAlloc() for easy allocation from DLLs
333 lines
9.8 KiB
C
333 lines
9.8 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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extern Display * XT_display;
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extern Screen * XT_screen;
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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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