mirror of
https://github.com/reactos/reactos.git
synced 2024-08-21 19:03:01 +00:00
334 lines
9.9 KiB
C
334 lines
9.9 KiB
C
![]() |
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Console Server DLL
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* FILE: win32ss/user/winsrv/concfg/font.c
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* PURPOSE: Console Fonts Management
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* PROGRAMMERS: Hermes Belusca-Maito (hermes.belusca@sfr.fr)
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* Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
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*/
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/* INCLUDES *******************************************************************/
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#include "precomp.h"
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#include <winuser.h>
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#include "settings.h"
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#include "font.h"
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// #include "concfg.h"
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS ******************************************************************/
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/* Retrieves the character set associated with a given code page */
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BYTE
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CodePageToCharSet(
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IN UINT CodePage)
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{
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CHARSETINFO CharInfo;
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if (TranslateCharsetInfo((LPDWORD)CodePage, &CharInfo, TCI_SRCCODEPAGE))
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return CharInfo.ciCharset;
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else
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return DEFAULT_CHARSET;
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}
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HFONT
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CreateConsoleFontEx(
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IN LONG Height,
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IN LONG Width OPTIONAL,
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IN OUT LPWSTR FaceName, // Points to a WCHAR array of LF_FACESIZE elements
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IN ULONG FontFamily,
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IN ULONG FontWeight,
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IN UINT CodePage)
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{
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LOGFONTW lf;
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RtlZeroMemory(&lf, sizeof(lf));
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lf.lfHeight = Height;
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lf.lfWidth = Width;
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lf.lfEscapement = 0;
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lf.lfOrientation = 0; // TA_BASELINE; // TA_RTLREADING; when the console supports RTL?
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// lf.lfItalic = lf.lfUnderline = lf.lfStrikeOut = FALSE;
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lf.lfWeight = FontWeight;
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lf.lfCharSet = CodePageToCharSet(CodePage);
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lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
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lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
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lf.lfQuality = DEFAULT_QUALITY;
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lf.lfPitchAndFamily = (BYTE)(FIXED_PITCH | FontFamily);
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if (!IsValidConsoleFont(FaceName, CodePage))
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StringCchCopyW(FaceName, LF_FACESIZE, L"Terminal");
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StringCchCopyNW(lf.lfFaceName, ARRAYSIZE(lf.lfFaceName),
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FaceName, LF_FACESIZE);
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return CreateFontIndirectW(&lf);
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}
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HFONT
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CreateConsoleFont2(
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IN LONG Height,
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IN LONG Width OPTIONAL,
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IN OUT PCONSOLE_STATE_INFO ConsoleInfo)
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{
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return CreateConsoleFontEx(Height,
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Width,
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ConsoleInfo->FaceName,
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ConsoleInfo->FontFamily,
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ConsoleInfo->FontWeight,
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ConsoleInfo->CodePage);
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}
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HFONT
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CreateConsoleFont(
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IN OUT PCONSOLE_STATE_INFO ConsoleInfo)
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{
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/*
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* Format:
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* Width = FontSize.X = LOWORD(FontSize);
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* Height = FontSize.Y = HIWORD(FontSize);
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*/
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/* NOTE: FontSize is always in cell height/width units (pixels) */
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return CreateConsoleFontEx((LONG)(ULONG)ConsoleInfo->FontSize.Y,
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(LONG)(ULONG)ConsoleInfo->FontSize.X,
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ConsoleInfo->FaceName,
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ConsoleInfo->FontFamily,
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ConsoleInfo->FontWeight,
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ConsoleInfo->CodePage);
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}
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BOOL
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GetFontCellSize(
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IN HDC hDC OPTIONAL,
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IN HFONT hFont,
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OUT PUINT Height,
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OUT PUINT Width)
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{
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BOOL Success = FALSE;
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HDC hOrgDC = hDC;
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HFONT hOldFont;
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// LONG LogSize, PointSize;
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LONG CharWidth, CharHeight;
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TEXTMETRICW tm;
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// SIZE CharSize;
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if (!hDC)
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hDC = GetDC(NULL);
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hOldFont = SelectObject(hDC, hFont);
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if (hOldFont == NULL)
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{
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DPRINT1("GetFontCellSize: SelectObject failed\n");
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goto Quit;
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}
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/*
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* See also: Display_SetTypeFace in applications/fontview/display.c
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*/
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/*
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* Note that the method with GetObjectW just returns
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* the original parameters with which the font was created.
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*/
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if (!GetTextMetricsW(hDC, &tm))
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{
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DPRINT1("GetFontCellSize: GetTextMetrics failed\n");
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goto Cleanup;
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}
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CharHeight = tm.tmHeight + tm.tmExternalLeading;
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#if 0
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/* Measure real char width more precisely if possible */
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if (GetTextExtentPoint32W(hDC, L"R", 1, &CharSize))
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CharWidth = CharSize.cx;
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#else
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CharWidth = tm.tmAveCharWidth; // tm.tmMaxCharWidth;
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#endif
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#if 0
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/*** Logical to Point size ***/
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LogSize = tm.tmHeight - tm.tmInternalLeading;
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PointSize = MulDiv(LogSize, 72, GetDeviceCaps(hDC, LOGPIXELSY));
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/*****************************/
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#endif
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*Height = (UINT)CharHeight;
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*Width = (UINT)CharWidth;
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Success = TRUE;
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Cleanup:
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SelectObject(hDC, hOldFont);
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Quit:
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if (!hOrgDC)
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ReleaseDC(NULL, hDC);
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return Success;
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}
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BOOL
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IsValidConsoleFont2(
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IN PLOGFONTW lplf,
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IN PNEWTEXTMETRICW lpntm,
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IN DWORD FontType,
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IN UINT CodePage)
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{
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LPCWSTR FaceName = lplf->lfFaceName;
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/* Record the font's attributes (Fixedwidth and Truetype) */
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// BOOL fFixed = ((lplf->lfPitchAndFamily & 0x03) == FIXED_PITCH);
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// BOOL fTrueType = (lplf->lfOutPrecision == OUT_STROKE_PRECIS);
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/*
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* According to: http://support.microsoft.com/kb/247815
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* the criteria for console-eligible fonts are:
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* - The font must be a fixed-pitch font.
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* - The font cannot be an italic font.
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* - The font cannot have a negative A or C space.
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* - If it is a TrueType font, it must be FF_MODERN.
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* - If it is not a TrueType font, it must be OEM_CHARSET.
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*
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* Non documented: vertical fonts are forbidden (their name start with a '@').
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*
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* Additional criteria for Asian installations:
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* - If it is not a TrueType font, the face name must be "Terminal".
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* - If it is an Asian TrueType font, it must also be an Asian character set.
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*
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* To install additional TrueType fonts to be available for the console,
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* add entries of type REG_SZ named "0", "00" etc... in:
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* HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Console\TrueTypeFont
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* The names of the fonts listed there should match those in:
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* HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Fonts
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*/
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/*
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* In ReactOS we relax some of the criteria:
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* - We allow fixed-pitch FF_MODERN (Monospace) TrueType fonts
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* that can be italic or have negative A or C space.
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* - If it is not a TrueType font, it can be from another character set
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* than OEM_CHARSET.
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* - We do not look into the magic registry key mentioned above.
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*/
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/* Reject variable width fonts */
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if (((lplf->lfPitchAndFamily & 0x03) != FIXED_PITCH)
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#if 0 /* Reject italic and TrueType fonts with negative A or C space */
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|| (lplf->lfItalic)
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|| !(lpntm->ntmFlags & NTM_NONNEGATIVE_AC)
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#endif
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)
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{
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DPRINT1("Font '%S' rejected because it%s (lfPitchAndFamily = %d).\n",
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FaceName, !(lplf->lfPitchAndFamily & FIXED_PITCH) ? "'s not FIXED_PITCH"
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: (!(lpntm->ntmFlags & NTM_NONNEGATIVE_AC) ? " has negative A or C space"
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: " is broken"),
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lplf->lfPitchAndFamily);
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return FALSE;
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}
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/* Reject TrueType fonts that are not FF_MODERN */
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if ((FontType == TRUETYPE_FONTTYPE) && ((lplf->lfPitchAndFamily & 0xF0) != FF_MODERN))
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{
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DPRINT1("TrueType font '%S' rejected because it's not FF_MODERN (lfPitchAndFamily = %d)\n",
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FaceName, lplf->lfPitchAndFamily);
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return FALSE;
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}
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/* Is the current code page Chinese, Japanese or Korean? */
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if (IsCJKCodePage(CodePage))
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{
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/* It's Asian */
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if (FontType == TRUETYPE_FONTTYPE)
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{
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if (lplf->lfCharSet != CodePageToCharSet(CodePage))
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{
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DPRINT1("TrueType font '%S' rejected because it's not user Asian charset (lfCharSet = %d)\n",
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FaceName, lplf->lfCharSet);
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return FALSE;
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}
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}
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else
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{
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/* Reject non-TrueType fonts that are not Terminal */
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if (wcscmp(FaceName, L"Terminal") != 0)
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{
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DPRINT1("Non-TrueType font '%S' rejected because it's not Terminal\n", FaceName);
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return FALSE;
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}
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}
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}
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else
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{
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/* Not CJK */
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if ((FontType != TRUETYPE_FONTTYPE) &&
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(lplf->lfCharSet != ANSI_CHARSET) &&
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(lplf->lfCharSet != DEFAULT_CHARSET) &&
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(lplf->lfCharSet != OEM_CHARSET))
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{
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DPRINT1("Non-TrueType font '%S' rejected because it's not ANSI_CHARSET or DEFAULT_CHARSET or OEM_CHARSET (lfCharSet = %d)\n",
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FaceName, lplf->lfCharSet);
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return FALSE;
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}
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}
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/* Reject fonts that are vertical (tategaki) */
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if (FaceName[0] == L'@')
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{
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DPRINT1("Font '%S' rejected because it's vertical\n", FaceName);
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return FALSE;
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}
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/* All good */
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return TRUE;
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}
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typedef struct _IS_VALID_CONSOLE_FONT_PARAM
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{
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BOOL IsValidFont;
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UINT CodePage;
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} IS_VALID_CONSOLE_FONT_PARAM, *PIS_VALID_CONSOLE_FONT_PARAM;
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static BOOL CALLBACK
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IsValidConsoleFontProc(
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IN PLOGFONTW lplf,
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IN PNEWTEXTMETRICW lpntm,
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IN DWORD FontType,
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IN LPARAM lParam)
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{
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PIS_VALID_CONSOLE_FONT_PARAM Param = (PIS_VALID_CONSOLE_FONT_PARAM)lParam;
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Param->IsValidFont = IsValidConsoleFont2(lplf, lpntm, FontType, Param->CodePage);
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/* Stop the enumeration now */
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return FALSE;
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}
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BOOL
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IsValidConsoleFont(
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IN LPCWSTR FaceName,
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IN UINT CodePage)
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{
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IS_VALID_CONSOLE_FONT_PARAM Param;
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HDC hDC;
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LOGFONTW lf;
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Param.IsValidFont = FALSE;
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Param.CodePage = CodePage;
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RtlZeroMemory(&lf, sizeof(lf));
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lf.lfCharSet = DEFAULT_CHARSET; // CodePageToCharSet(CodePage);
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// lf.lfPitchAndFamily = FIXED_PITCH | FF_DONTCARE;
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StringCchCopyW(lf.lfFaceName, ARRAYSIZE(lf.lfFaceName), FaceName);
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hDC = GetDC(NULL);
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EnumFontFamiliesExW(hDC, &lf, (FONTENUMPROCW)IsValidConsoleFontProc, (LPARAM)&Param, 0);
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ReleaseDC(NULL, hDC);
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return Param.IsValidFont;
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}
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/* EOF */
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