517 lines
14 KiB
C
517 lines
14 KiB
C
/*
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* Copyright (C) 2007 Google (Evan Stade)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winnls.h"
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#include "winreg.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL (gdiplus);
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#include "objbase.h"
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#include "gdiplus.h"
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#include "gdiplus_private.h"
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static const REAL mm_per_pixel = 25.4;
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static inline REAL get_dpi (void)
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{
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REAL dpi;
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GpGraphics *graphics;
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HDC hdc = GetDC(0);
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GdipCreateFromHDC (hdc, &graphics);
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GdipGetDpiX(graphics, &dpi);
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GdipDeleteGraphics(graphics);
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ReleaseDC (0, hdc);
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return dpi;
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}
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static inline REAL point_to_pixel (REAL point)
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{
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return point * 1.5;
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}
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static inline REAL inch_to_pixel (REAL inch)
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{
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return inch * get_dpi();
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}
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static inline REAL document_to_pixel (REAL doc)
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{
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return doc * (get_dpi() / 300.0); /* Per MSDN */
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}
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static inline REAL mm_to_pixel (REAL mm)
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{
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return mm * (get_dpi() / mm_per_pixel);
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}
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/*******************************************************************************
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* GdipCreateFont [GDIPLUS.@]
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*
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* Create a new font based off of a FontFamily
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*
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* PARAMS
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* *fontFamily [I] Family to base the font off of
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* emSize [I] Size of the font
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* style [I] Bitwise OR of FontStyle enumeration
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* unit [I] Unit emSize is measured in
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* **font [I] the resulting Font object
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*
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* RETURNS
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* SUCCESS: Ok
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* FAILURE: InvalidParameter if fontfamily or font is NULL.
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* FAILURE: FontFamilyNotFound if an invalid FontFamily is given
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*
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* NOTES
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* UnitDisplay is unsupported.
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* emSize is stored separately from lfHeight, to hold the fraction.
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*/
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GpStatus WINGDIPAPI GdipCreateFont(GDIPCONST GpFontFamily *fontFamily,
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REAL emSize, INT style, Unit unit, GpFont **font)
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{
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WCHAR facename[LF_FACESIZE];
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LOGFONTW* lfw;
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const TEXTMETRICW* tmw;
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GpStatus stat;
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if (!fontFamily || !fontFamily->FamilyName || !font)
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return InvalidParameter;
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TRACE("%p (%s), %f, %d, %d, %p\n", fontFamily,
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debugstr_w(fontFamily->FamilyName), emSize, style, unit, font);
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stat = GdipGetFamilyName (fontFamily, facename, 0);
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if (stat != Ok) return stat;
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*font = GdipAlloc(sizeof(GpFont));
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tmw = &fontFamily->tmw;
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lfw = &((*font)->lfw);
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ZeroMemory(&(*lfw), sizeof(*lfw));
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lfw->lfWeight = tmw->tmWeight;
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lfw->lfItalic = tmw->tmItalic;
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lfw->lfUnderline = tmw->tmUnderlined;
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lfw->lfStrikeOut = tmw->tmStruckOut;
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lfw->lfCharSet = tmw->tmCharSet;
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lfw->lfPitchAndFamily = tmw->tmPitchAndFamily;
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lstrcpynW((lfw->lfFaceName), facename, sizeof(WCHAR) * LF_FACESIZE);
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switch (unit)
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{
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case UnitWorld:
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/* FIXME: Figure out when World != Pixel */
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lfw->lfHeight = emSize; break;
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case UnitDisplay:
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FIXME("Unknown behavior for UnitDisplay! Please report!\n");
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/* FIXME: Figure out how this works...
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* MSDN says that if "DISPLAY" is a monitor, then pixel should be
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* used. That's not what I got. Tests on Windows revealed no output,
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* and the tests in tests/font crash windows */
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lfw->lfHeight = 0; break;
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case UnitPixel:
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lfw->lfHeight = emSize; break;
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case UnitPoint:
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lfw->lfHeight = point_to_pixel(emSize); break;
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case UnitInch:
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lfw->lfHeight = inch_to_pixel(emSize); break;
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case UnitDocument:
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lfw->lfHeight = document_to_pixel(emSize); break;
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case UnitMillimeter:
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lfw->lfHeight = mm_to_pixel(emSize); break;
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}
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lfw->lfHeight *= -1;
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lfw->lfWeight = style & FontStyleBold ? 700 : 400;
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lfw->lfItalic = style & FontStyleItalic;
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lfw->lfUnderline = style & FontStyleUnderline;
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lfw->lfStrikeOut = style & FontStyleStrikeout;
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(*font)->unit = unit;
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(*font)->emSize = emSize;
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return Ok;
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}
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GpStatus WINGDIPAPI GdipCreateFontFromLogfontW(HDC hdc,
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GDIPCONST LOGFONTW *logfont, GpFont **font)
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{
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HFONT hfont, oldfont;
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TEXTMETRICW textmet;
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if(!logfont || !font)
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return InvalidParameter;
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*font = GdipAlloc(sizeof(GpFont));
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if(!*font) return OutOfMemory;
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memcpy(&(*font)->lfw.lfFaceName, logfont->lfFaceName, LF_FACESIZE *
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sizeof(WCHAR));
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(*font)->lfw.lfHeight = logfont->lfHeight;
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(*font)->lfw.lfItalic = logfont->lfItalic;
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(*font)->lfw.lfUnderline = logfont->lfUnderline;
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(*font)->lfw.lfStrikeOut = logfont->lfStrikeOut;
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(*font)->emSize = logfont->lfHeight;
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(*font)->unit = UnitPixel;
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hfont = CreateFontIndirectW(&(*font)->lfw);
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oldfont = SelectObject(hdc, hfont);
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GetTextMetricsW(hdc, &textmet);
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(*font)->lfw.lfHeight = -textmet.tmHeight;
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(*font)->lfw.lfWeight = textmet.tmWeight;
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SelectObject(hdc, oldfont);
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DeleteObject(hfont);
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return Ok;
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}
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GpStatus WINGDIPAPI GdipCreateFontFromLogfontA(HDC hdc,
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GDIPCONST LOGFONTA *lfa, GpFont **font)
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{
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LOGFONTW lfw;
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if(!lfa || !font)
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return InvalidParameter;
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memcpy(&lfw, lfa, FIELD_OFFSET(LOGFONTA,lfFaceName) );
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if(!MultiByteToWideChar(CP_ACP, 0, lfa->lfFaceName, -1, lfw.lfFaceName, LF_FACESIZE))
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return GenericError;
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GdipCreateFontFromLogfontW(hdc, &lfw, font);
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return Ok;
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}
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GpStatus WINGDIPAPI GdipDeleteFont(GpFont* font)
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{
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if(!font)
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return InvalidParameter;
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GdipFree(font);
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return Ok;
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}
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GpStatus WINGDIPAPI GdipCreateFontFromDC(HDC hdc, GpFont **font)
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{
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HFONT hfont;
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LOGFONTW lfw;
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if(!font)
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return InvalidParameter;
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hfont = (HFONT)GetCurrentObject(hdc, OBJ_FONT);
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if(!hfont)
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return GenericError;
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if(!GetObjectW(hfont, sizeof(LOGFONTW), &lfw))
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return GenericError;
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return GdipCreateFontFromLogfontW(hdc, &lfw, font);
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}
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/******************************************************************************
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* GdipGetFontSize [GDIPLUS.@]
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*
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* Returns the size of the font in Units
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*
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* PARAMS
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* *font [I] The font to retrieve size from
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* *size [O] Pointer to hold retrieved value
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*
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* RETURNS
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* SUCCESS: Ok
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* FAILURE: InvalidParamter (font or size was NULL)
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*
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* NOTES
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* Size returned is actually emSize -- not internal size used for drawing.
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*/
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GpStatus WINGDIPAPI GdipGetFontSize(GpFont *font, REAL *size)
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{
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if (!(font && size)) return InvalidParameter;
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*size = font->emSize;
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return Ok;
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}
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/*******************************************************************************
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* GdipGetFontUnit [GDIPLUS.@]
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*
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* PARAMS
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* font [I] Font to retrieve from
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* unit [O] Return value
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*
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* RETURNS
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* FAILURE: font or unit was NULL
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* OK: otherwise
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*/
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GpStatus WINGDIPAPI GdipGetFontUnit(GpFont *font, Unit *unit)
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{
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if (!(font && unit)) return InvalidParameter;
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*unit = font->unit;
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return Ok;
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}
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/* FIXME: use graphics */
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GpStatus WINGDIPAPI GdipGetLogFontW(GpFont *font, GpGraphics *graphics,
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LOGFONTW *lfw)
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{
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if(!font || !graphics || !lfw)
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return InvalidParameter;
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*lfw = font->lfw;
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return Ok;
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}
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GpStatus WINGDIPAPI GdipCloneFont(GpFont *font, GpFont **cloneFont)
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{
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if(!font || !cloneFont)
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return InvalidParameter;
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*cloneFont = GdipAlloc(sizeof(GpFont));
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if(!*cloneFont) return OutOfMemory;
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**cloneFont = *font;
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return Ok;
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}
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/* Borrowed from GDI32 */
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static INT CALLBACK is_font_installed_proc(const LOGFONTW *elf,
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const TEXTMETRICW *ntm, DWORD type, LPARAM lParam)
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{
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return 0;
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}
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static BOOL is_font_installed(const WCHAR *name)
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{
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HDC hdc = GetDC(0);
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BOOL ret = FALSE;
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if(!EnumFontFamiliesW(hdc, name, is_font_installed_proc, 0))
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ret = TRUE;
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ReleaseDC(0, hdc);
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return ret;
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}
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/*******************************************************************************
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* GdipCreateFontFamilyFromName [GDIPLUS.@]
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*
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* Creates a font family object based on a supplied name
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*
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* PARAMS
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* name [I] Name of the font
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* fontCollection [I] What font collection (if any) the font belongs to (may be NULL)
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* FontFamily [O] Pointer to the resulting FontFamily object
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*
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* RETURNS
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* SUCCESS: Ok
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* FAILURE: FamilyNotFound if the requested FontFamily does not exist on the system
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* FAILURE: Invalid parameter if FontFamily or name is NULL
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*
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* NOTES
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* If fontCollection is NULL then the object is not part of any collection
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*
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*/
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GpStatus WINGDIPAPI GdipCreateFontFamilyFromName(GDIPCONST WCHAR *name,
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GpFontCollection *fontCollection,
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GpFontFamily **FontFamily)
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{
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GpFontFamily* ffamily;
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HDC hdc;
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HFONT hFont, hfont_old;
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LOGFONTW lfw;
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TRACE("%s, %p %p\n", debugstr_w(name), fontCollection, FontFamily);
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if (!(name && FontFamily))
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return InvalidParameter;
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if (fontCollection)
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FIXME("No support for FontCollections yet!\n");
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if (!is_font_installed(name))
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return FontFamilyNotFound;
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ffamily = GdipAlloc(sizeof (GpFontFamily));
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if (!ffamily) return OutOfMemory;
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hdc = GetDC(0);
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lstrcpynW(lfw.lfFaceName, name, sizeof(WCHAR) * LF_FACESIZE);
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hFont = CreateFontIndirectW (&lfw);
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hfont_old = SelectObject(hdc, hFont);
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GetTextMetricsW(hdc, &ffamily->tmw);
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DeleteObject(SelectObject(hdc, hfont_old));
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ffamily->FamilyName = GdipAlloc(LF_FACESIZE * sizeof (WCHAR));
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if (!ffamily->FamilyName)
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{
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GdipFree(ffamily);
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ReleaseDC(0, hdc);
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return OutOfMemory;
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}
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lstrcpynW(ffamily->FamilyName, name, sizeof(WCHAR) * LF_FACESIZE);
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*FontFamily = ffamily;
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ReleaseDC(0, hdc);
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return Ok;
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}
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/*******************************************************************************
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* GdipGetFamilyName [GDIPLUS.@]
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*
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* Returns the family name into name
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*
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* PARAMS
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* *family [I] Family to retrieve from
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* *name [O] WCHARS of the family name
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* LANGID [I] charset
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*
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* RETURNS
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* SUCCESS: Ok
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* FAILURE: InvalidParameter if family is NULL
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*
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* NOTES
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* If name is a NULL ptr, then both XP and Vista will crash (so we do as well)
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*/
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GpStatus WINGDIPAPI GdipGetFamilyName (GDIPCONST GpFontFamily *family,
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WCHAR *name, LANGID language)
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{
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if (family == NULL)
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return InvalidParameter;
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TRACE("%p, %p, %d\n", family, name, language);
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if (language != LANG_NEUTRAL)
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FIXME("No support for handling of multiple languages!\n");
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lstrcpynW (name, family->FamilyName, LF_FACESIZE);
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return Ok;
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}
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/*****************************************************************************
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* GdipDeleteFontFamily [GDIPLUS.@]
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*
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* Removes the specified FontFamily
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*
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* PARAMS
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* *FontFamily [I] The family to delete
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*
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* RETURNS
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* SUCCESS: Ok
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* FAILURE: InvalidParameter if FontFamily is NULL.
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*
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*/
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GpStatus WINGDIPAPI GdipDeleteFontFamily(GpFontFamily *FontFamily)
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{
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if (!FontFamily)
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return InvalidParameter;
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TRACE("Deleting %p (%s)\n", FontFamily, debugstr_w(FontFamily->FamilyName));
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if (FontFamily->FamilyName) GdipFree (FontFamily->FamilyName);
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GdipFree (FontFamily);
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return Ok;
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}
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/*****************************************************************************
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* GdipGetGenericFontFamilyMonospace [GDIPLUS.@]
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*
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* Obtains a serif family (Courier New on Windows)
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*
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* PARAMS
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* **nativeFamily [I] Where the font will be stored
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*
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* RETURNS
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* InvalidParameter if nativeFamily is NULL.
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* Ok otherwise.
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*/
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GpStatus WINGDIPAPI GdipGetGenericFontFamilyMonospace(GpFontFamily **nativeFamily)
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{
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static const WCHAR CourierNew[] = {'C','o','u','r','i','e','r',' ','N','e','w','\0'};
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if (nativeFamily == NULL) return InvalidParameter;
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return GdipCreateFontFamilyFromName(CourierNew, NULL, nativeFamily);
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}
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/*****************************************************************************
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* GdipGetGenericFontFamilySerif [GDIPLUS.@]
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*
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* Obtains a serif family (Times New Roman on Windows)
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*
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* PARAMS
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* **nativeFamily [I] Where the font will be stored
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*
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* RETURNS
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* InvalidParameter if nativeFamily is NULL.
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* Ok otherwise.
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*/
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GpStatus WINGDIPAPI GdipGetGenericFontFamilySerif(GpFontFamily **nativeFamily)
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{
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static const WCHAR TimesNewRoman[] = {'T','i','m','e','s',' ','N','e','w',' ','R','o','m','a','n','\0'};
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if (nativeFamily == NULL) return InvalidParameter;
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return GdipCreateFontFamilyFromName(TimesNewRoman, NULL, nativeFamily);
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}
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/*****************************************************************************
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* GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
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*
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* Obtains a serif family (Microsoft Sans Serif on Windows)
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*
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* PARAMS
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* **nativeFamily [I] Where the font will be stored
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*
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* RETURNS
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* InvalidParameter if nativeFamily is NULL.
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* Ok otherwise.
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*/
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GpStatus WINGDIPAPI GdipGetGenericFontFamilySansSerif(GpFontFamily **nativeFamily)
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{
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/* FIXME: On Windows this is called Microsoft Sans Serif, this shouldn't
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* affect anything */
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static const WCHAR MSSansSerif[] = {'M','S',' ','S','a','n','s',' ','S','e','r','i','f','\0'};
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if (nativeFamily == NULL) return InvalidParameter;
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return GdipCreateFontFamilyFromName(MSSansSerif, NULL, nativeFamily);
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}
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