2 * Copyright (C) 2007 Google (Evan Stade)
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
26 #include "wine/debug.h"
27 #include "wine/unicode.h"
29 WINE_DEFAULT_DEBUG_CHANNEL (gdiplus);
34 #include "gdiplus_private.h"
36 static const REAL mm_per_inch = 25.4;
37 static const REAL inch_per_point = 1.0/72.0;
39 static inline REAL get_dpi (void)
44 GdipCreateFromHDC (hdc, &graphics);
45 GdipGetDpiX(graphics, &dpi);
46 GdipDeleteGraphics(graphics);
52 static inline REAL point_to_pixel (REAL point)
54 return point * get_dpi() * inch_per_point;
57 static inline REAL inch_to_pixel (REAL inch)
59 return inch * get_dpi();
62 static inline REAL document_to_pixel (REAL doc)
64 return doc * (get_dpi() / 300.0); /* Per MSDN */
67 static inline REAL mm_to_pixel (REAL mm)
69 return mm * (get_dpi() / mm_per_inch);
72 /*******************************************************************************
73 * GdipCreateFont [GDIPLUS.@]
75 * Create a new font based off of a FontFamily
78 * *fontFamily [I] Family to base the font off of
79 * emSize [I] Size of the font
80 * style [I] Bitwise OR of FontStyle enumeration
81 * unit [I] Unit emSize is measured in
82 * **font [I] the resulting Font object
86 * FAILURE: InvalidParameter if fontfamily or font is NULL.
87 * FAILURE: FontFamilyNotFound if an invalid FontFamily is given
90 * UnitDisplay is unsupported.
91 * emSize is stored separately from lfHeight, to hold the fraction.
93 GpStatus WINGDIPAPI GdipCreateFont(GDIPCONST GpFontFamily *fontFamily,
94 REAL emSize, INT style, Unit unit, GpFont **font)
96 WCHAR facename[LF_FACESIZE];
98 const NEWTEXTMETRICW* tmw;
101 if (!fontFamily || !font)
102 return InvalidParameter;
104 TRACE("%p (%s), %f, %d, %d, %p\n", fontFamily,
105 debugstr_w(fontFamily->FamilyName), emSize, style, unit, font);
107 stat = GdipGetFamilyName (fontFamily, facename, 0);
108 if (stat != Ok) return stat;
109 *font = GdipAlloc(sizeof(GpFont));
111 tmw = &fontFamily->tmw;
112 lfw = &((*font)->lfw);
113 ZeroMemory(&(*lfw), sizeof(*lfw));
115 lfw->lfWeight = tmw->tmWeight;
116 lfw->lfItalic = tmw->tmItalic;
117 lfw->lfUnderline = tmw->tmUnderlined;
118 lfw->lfStrikeOut = tmw->tmStruckOut;
119 lfw->lfCharSet = tmw->tmCharSet;
120 lfw->lfPitchAndFamily = tmw->tmPitchAndFamily;
121 lstrcpynW(lfw->lfFaceName, facename, LF_FACESIZE);
126 /* FIXME: Figure out when World != Pixel */
127 lfw->lfHeight = emSize; break;
129 FIXME("Unknown behavior for UnitDisplay! Please report!\n");
130 /* FIXME: Figure out how this works...
131 * MSDN says that if "DISPLAY" is a monitor, then pixel should be
132 * used. That's not what I got. Tests on Windows revealed no output,
133 * and the tests in tests/font crash windows */
134 lfw->lfHeight = 0; break;
136 lfw->lfHeight = emSize; break;
138 lfw->lfHeight = point_to_pixel(emSize); break;
140 lfw->lfHeight = inch_to_pixel(emSize); break;
142 lfw->lfHeight = document_to_pixel(emSize); break;
144 lfw->lfHeight = mm_to_pixel(emSize); break;
149 lfw->lfWeight = style & FontStyleBold ? 700 : 400;
150 lfw->lfItalic = style & FontStyleItalic;
151 lfw->lfUnderline = style & FontStyleUnderline;
152 lfw->lfStrikeOut = style & FontStyleStrikeout;
154 (*font)->unit = unit;
155 (*font)->emSize = emSize;
160 /*******************************************************************************
161 * GdipCreateFontFromLogfontW [GDIPLUS.@]
163 GpStatus WINGDIPAPI GdipCreateFontFromLogfontW(HDC hdc,
164 GDIPCONST LOGFONTW *logfont, GpFont **font)
166 HFONT hfont, oldfont;
169 if(!logfont || !font)
170 return InvalidParameter;
172 if (logfont->lfFaceName[0] == 0)
173 return NotTrueTypeFont;
175 *font = GdipAlloc(sizeof(GpFont));
176 if(!*font) return OutOfMemory;
178 memcpy((*font)->lfw.lfFaceName, logfont->lfFaceName, LF_FACESIZE *
180 (*font)->lfw.lfHeight = logfont->lfHeight;
181 (*font)->lfw.lfItalic = logfont->lfItalic;
182 (*font)->lfw.lfUnderline = logfont->lfUnderline;
183 (*font)->lfw.lfStrikeOut = logfont->lfStrikeOut;
185 (*font)->emSize = logfont->lfHeight;
186 (*font)->unit = UnitPixel;
188 hfont = CreateFontIndirectW(&(*font)->lfw);
189 oldfont = SelectObject(hdc, hfont);
190 GetTextMetricsW(hdc, &textmet);
192 (*font)->lfw.lfHeight = -textmet.tmHeight;
193 (*font)->lfw.lfWeight = textmet.tmWeight;
195 SelectObject(hdc, oldfont);
201 /*******************************************************************************
202 * GdipCreateFontFromLogfontA [GDIPLUS.@]
204 GpStatus WINGDIPAPI GdipCreateFontFromLogfontA(HDC hdc,
205 GDIPCONST LOGFONTA *lfa, GpFont **font)
210 return InvalidParameter;
212 memcpy(&lfw, lfa, FIELD_OFFSET(LOGFONTA,lfFaceName) );
214 if(!MultiByteToWideChar(CP_ACP, 0, lfa->lfFaceName, -1, lfw.lfFaceName, LF_FACESIZE))
217 GdipCreateFontFromLogfontW(hdc, &lfw, font);
222 /*******************************************************************************
223 * GdipDeleteFont [GDIPLUS.@]
225 GpStatus WINGDIPAPI GdipDeleteFont(GpFont* font)
228 return InvalidParameter;
235 /*******************************************************************************
236 * GdipCreateFontFromDC [GDIPLUS.@]
238 GpStatus WINGDIPAPI GdipCreateFontFromDC(HDC hdc, GpFont **font)
244 return InvalidParameter;
246 hfont = (HFONT)GetCurrentObject(hdc, OBJ_FONT);
250 if(!GetObjectW(hfont, sizeof(LOGFONTW), &lfw))
253 return GdipCreateFontFromLogfontW(hdc, &lfw, font);
256 /*******************************************************************************
257 * GdipGetFamily [GDIPLUS.@]
259 * Returns the FontFamily for the specified Font
262 * font [I] Font to request from
263 * family [O] Resulting FontFamily object
267 * FAILURE: An element of GpStatus
269 GpStatus WINGDIPAPI GdipGetFamily(GpFont *font, GpFontFamily **family)
271 TRACE("%p %p\n", font, family);
273 if (!(font && family))
274 return InvalidParameter;
276 return GdipCreateFontFamilyFromName(font->lfw.lfFaceName, NULL, family);
279 /******************************************************************************
280 * GdipGetFontSize [GDIPLUS.@]
282 * Returns the size of the font in Units
285 * *font [I] The font to retrieve size from
286 * *size [O] Pointer to hold retrieved value
290 * FAILURE: InvalidParamter (font or size was NULL)
293 * Size returned is actually emSize -- not internal size used for drawing.
295 GpStatus WINGDIPAPI GdipGetFontSize(GpFont *font, REAL *size)
297 if (!(font && size)) return InvalidParameter;
299 *size = font->emSize;
304 /*******************************************************************************
305 * GdipGetFontStyle [GDIPLUS.@]
307 * Gets the font's style, returned in bitwise OR of FontStyle enumeration
310 * font [I] font to request from
311 * style [O] resulting pointer to a FontStyle enumeration
315 * FAILURE: InvalidParameter
317 GpStatus WINGDIPAPI GdipGetFontStyle(GpFont *font, INT *style)
319 TRACE("%p %p\n", font, style);
321 if (!(font && style))
322 return InvalidParameter;
324 if (font->lfw.lfWeight > 400)
325 *style = FontStyleBold;
328 if (font->lfw.lfItalic)
329 *style |= FontStyleItalic;
330 if (font->lfw.lfUnderline)
331 *style |= FontStyleUnderline;
332 if (font->lfw.lfStrikeOut)
333 *style |= FontStyleStrikeout;
338 /*******************************************************************************
339 * GdipGetFontUnit [GDIPLUS.@]
342 * font [I] Font to retrieve from
343 * unit [O] Return value
346 * FAILURE: font or unit was NULL
349 GpStatus WINGDIPAPI GdipGetFontUnit(GpFont *font, Unit *unit)
351 if (!(font && unit)) return InvalidParameter;
358 /*******************************************************************************
359 * GdipGetLogFontW [GDIPLUS.@]
361 GpStatus WINGDIPAPI GdipGetLogFontW(GpFont *font, GpGraphics *graphics,
364 /* FIXME: use graphics */
365 if(!font || !graphics || !lfw)
366 return InvalidParameter;
373 /*******************************************************************************
374 * GdipCloneFont [GDIPLUS.@]
376 GpStatus WINGDIPAPI GdipCloneFont(GpFont *font, GpFont **cloneFont)
378 if(!font || !cloneFont)
379 return InvalidParameter;
381 *cloneFont = GdipAlloc(sizeof(GpFont));
382 if(!*cloneFont) return OutOfMemory;
389 /*******************************************************************************
390 * GdipGetFontHeight [GDIPLUS.@]
392 * font [I] Font to retrieve height from
393 * graphics [I] The current graphics context
394 * height [O] Resulting height
397 * FAILURE: Another element of GpStatus
400 * Forwards to GdipGetFontHeightGivenDPI
402 GpStatus WINGDIPAPI GdipGetFontHeight(GDIPCONST GpFont *font,
403 GDIPCONST GpGraphics *graphics, REAL *height)
407 TRACE("%p %p %p\n", font, graphics, height);
409 dpi = GetDeviceCaps(graphics->hdc, LOGPIXELSY);
411 return GdipGetFontHeightGivenDPI(font, dpi, height);
414 /*******************************************************************************
415 * GdipGetFontHeightGivenDPI [GDIPLUS.@]
417 * font [I] Font to retrieve DPI from
418 * dpi [I] DPI to assume
419 * height [O] Return value
423 * FAILURE: InvalidParameter if font or height is NULL
426 * According to MSDN, the result is (lineSpacing)*(fontSize / emHeight)*dpi
427 * (for anything other than unit Pixel)
429 GpStatus WINGDIPAPI GdipGetFontHeightGivenDPI(GDIPCONST GpFont *font, REAL dpi, REAL *height)
431 if (!(font && height)) return InvalidParameter;
433 FIXME("%p (%s), %f, %p\n", font,
434 debugstr_w(font->lfw.lfFaceName), dpi, height);
436 return NotImplemented;
439 /***********************************************************************
440 * Borrowed from GDI32:
442 * Elf is really an ENUMLOGFONTEXW, and ntm is a NEWTEXTMETRICEXW.
443 * We have to use other types because of the FONTENUMPROCW definition.
445 static INT CALLBACK is_font_installed_proc(const LOGFONTW *elf,
446 const TEXTMETRICW *ntm, DWORD type, LPARAM lParam)
453 *(NEWTEXTMETRICW*)lParam = *(const NEWTEXTMETRICW*)ntm;
458 static BOOL find_installed_font(const WCHAR *name, NEWTEXTMETRICW *ntm)
463 if(!EnumFontFamiliesW(hdc, name, is_font_installed_proc, (LPARAM)ntm))
470 /*******************************************************************************
471 * GdipCreateFontFamilyFromName [GDIPLUS.@]
473 * Creates a font family object based on a supplied name
476 * name [I] Name of the font
477 * fontCollection [I] What font collection (if any) the font belongs to (may be NULL)
478 * FontFamily [O] Pointer to the resulting FontFamily object
482 * FAILURE: FamilyNotFound if the requested FontFamily does not exist on the system
483 * FAILURE: Invalid parameter if FontFamily or name is NULL
486 * If fontCollection is NULL then the object is not part of any collection
490 GpStatus WINGDIPAPI GdipCreateFontFamilyFromName(GDIPCONST WCHAR *name,
491 GpFontCollection *fontCollection,
492 GpFontFamily **FontFamily)
494 GpFontFamily* ffamily;
497 TRACE("%s, %p %p\n", debugstr_w(name), fontCollection, FontFamily);
499 if (!(name && FontFamily))
500 return InvalidParameter;
502 FIXME("No support for FontCollections yet!\n");
504 if (!find_installed_font(name, &ntm))
505 return FontFamilyNotFound;
507 ffamily = GdipAlloc(sizeof (GpFontFamily));
508 if (!ffamily) return OutOfMemory;
511 lstrcpynW(ffamily->FamilyName, name, LF_FACESIZE);
513 *FontFamily = ffamily;
518 /*******************************************************************************
519 * GdipCloneFontFamily [GDIPLUS.@]
521 * Creates a deep copy of a Font Family object
524 * FontFamily [I] Font to clone
525 * clonedFontFamily [O] The resulting cloned font
530 GpStatus WINGDIPAPI GdipCloneFontFamily(GpFontFamily* FontFamily, GpFontFamily** clonedFontFamily)
532 if (!(FontFamily && clonedFontFamily)) return InvalidParameter;
534 TRACE("stub: %p (%s), %p\n", FontFamily,
535 debugstr_w(FontFamily->FamilyName), clonedFontFamily);
537 *clonedFontFamily = GdipAlloc(sizeof(GpFontFamily));
538 if (!*clonedFontFamily) return OutOfMemory;
540 (*clonedFontFamily)->tmw = FontFamily->tmw;
541 lstrcpyW((*clonedFontFamily)->FamilyName, FontFamily->FamilyName);
546 /*******************************************************************************
547 * GdipGetFamilyName [GDIPLUS.@]
549 * Returns the family name into name
552 * *family [I] Family to retrieve from
553 * *name [O] WCHARS of the family name
558 * FAILURE: InvalidParameter if family is NULL
561 * If name is a NULL ptr, then both XP and Vista will crash (so we do as well)
563 GpStatus WINGDIPAPI GdipGetFamilyName (GDIPCONST GpFontFamily *family,
564 WCHAR *name, LANGID language)
567 return InvalidParameter;
569 TRACE("%p, %p, %d\n", family, name, language);
571 if (language != LANG_NEUTRAL)
572 FIXME("No support for handling of multiple languages!\n");
574 lstrcpynW (name, family->FamilyName, LF_FACESIZE);
580 /*****************************************************************************
581 * GdipDeleteFontFamily [GDIPLUS.@]
583 * Removes the specified FontFamily
586 * *FontFamily [I] The family to delete
590 * FAILURE: InvalidParameter if FontFamily is NULL.
593 GpStatus WINGDIPAPI GdipDeleteFontFamily(GpFontFamily *FontFamily)
596 return InvalidParameter;
597 TRACE("Deleting %p (%s)\n", FontFamily, debugstr_w(FontFamily->FamilyName));
599 GdipFree (FontFamily);
604 GpStatus WINGDIPAPI GdipGetCellAscent(GDIPCONST GpFontFamily *family,
605 INT style, UINT16* CellAscent)
607 if (!(family && CellAscent)) return InvalidParameter;
609 *CellAscent = family->tmw.tmAscent;
614 GpStatus WINGDIPAPI GdipGetCellDescent(GDIPCONST GpFontFamily *family,
615 INT style, UINT16* CellDescent)
617 if (!(family && CellDescent)) return InvalidParameter;
619 *CellDescent = family->tmw.tmDescent;
624 /*******************************************************************************
625 * GdipGetEmHeight [GDIPLUS.@]
627 * Gets the height of the specified family in EmHeights
630 * family [I] Family to retrieve from
631 * style [I] (optional) style
632 * EmHeight [O] return value
636 * FAILURE: InvalidParameter
638 GpStatus WINGDIPAPI GdipGetEmHeight(GDIPCONST GpFontFamily *family, INT style, UINT16* EmHeight)
640 if (!(family && EmHeight)) return InvalidParameter;
642 TRACE("%p (%s), %d, %p, stub!\n", family,
643 debugstr_w(family->FamilyName), style, EmHeight);
645 *EmHeight = family->tmw.ntmSizeEM;
651 /*******************************************************************************
652 * GdipGetLineSpacing [GDIPLUS.@]
654 * Returns the line spacing in design units
657 * family [I] Family to retrieve from
658 * style [I] (Optional) font style
659 * LineSpacing [O] Return value
663 * FAILURE: InvalidParameter (family or LineSpacing was NULL)
665 GpStatus WINGDIPAPI GdipGetLineSpacing(GDIPCONST GpFontFamily *family,
666 INT style, UINT16* LineSpacing)
668 if (!(family && LineSpacing)) return InvalidParameter;
672 return NotImplemented;
675 GpStatus WINGDIPAPI GdipIsStyleAvailable(GDIPCONST GpFontFamily* family,
676 INT style, BOOL* IsStyleAvailable)
678 FIXME("%p %d %p stub!\n", family, style, IsStyleAvailable);
680 if (!(family && IsStyleAvailable))
681 return InvalidParameter;
683 return NotImplemented;
686 /*****************************************************************************
687 * GdipGetGenericFontFamilyMonospace [GDIPLUS.@]
689 * Obtains a serif family (Courier New on Windows)
692 * **nativeFamily [I] Where the font will be stored
695 * InvalidParameter if nativeFamily is NULL.
698 GpStatus WINGDIPAPI GdipGetGenericFontFamilyMonospace(GpFontFamily **nativeFamily)
700 static const WCHAR CourierNew[] = {'C','o','u','r','i','e','r',' ','N','e','w','\0'};
702 if (nativeFamily == NULL) return InvalidParameter;
704 return GdipCreateFontFamilyFromName(CourierNew, NULL, nativeFamily);
707 /*****************************************************************************
708 * GdipGetGenericFontFamilySerif [GDIPLUS.@]
710 * Obtains a serif family (Times New Roman on Windows)
713 * **nativeFamily [I] Where the font will be stored
716 * InvalidParameter if nativeFamily is NULL.
719 GpStatus WINGDIPAPI GdipGetGenericFontFamilySerif(GpFontFamily **nativeFamily)
721 static const WCHAR TimesNewRoman[] = {'T','i','m','e','s',' ','N','e','w',' ','R','o','m','a','n','\0'};
723 if (nativeFamily == NULL) return InvalidParameter;
725 return GdipCreateFontFamilyFromName(TimesNewRoman, NULL, nativeFamily);
728 /*****************************************************************************
729 * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
731 * Obtains a serif family (Microsoft Sans Serif on Windows)
734 * **nativeFamily [I] Where the font will be stored
737 * InvalidParameter if nativeFamily is NULL.
740 GpStatus WINGDIPAPI GdipGetGenericFontFamilySansSerif(GpFontFamily **nativeFamily)
742 /* FIXME: On Windows this is called Microsoft Sans Serif, this shouldn't
744 static const WCHAR MSSansSerif[] = {'M','S',' ','S','a','n','s',' ','S','e','r','i','f','\0'};
746 if (nativeFamily == NULL) return InvalidParameter;
748 return GdipCreateFontFamilyFromName(MSSansSerif, NULL, nativeFamily);
751 /*****************************************************************************
752 * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
754 GpStatus WINGDIPAPI GdipNewPrivateFontCollection(GpFontCollection** fontCollection)
756 FIXME("stub %p\n", fontCollection);
759 return InvalidParameter;
761 return NotImplemented;
764 /*****************************************************************************
765 * GdipDeletePrivateFontCollection [GDIPLUS.@]
767 GpStatus WINGDIPAPI GdipDeletePrivateFontCollection(GpFontCollection **fontCollection)
769 FIXME("stub %p\n", fontCollection);
772 return InvalidParameter;
774 return NotImplemented;
777 /*****************************************************************************
778 * GdipPrivateAddFontFile [GDIPLUS.@]
780 GpStatus WINGDIPAPI GdipPrivateAddFontFile(GpFontCollection* fontCollection,
781 GDIPCONST WCHAR* filename)
783 FIXME("stub: %p, %s\n", fontCollection, debugstr_w(filename));
785 if (!(fontCollection && filename))
786 return InvalidParameter;
788 return NotImplemented;
791 /*****************************************************************************
792 * GdipGetFontCollectionFamilyCount [GDIPLUS.@]
794 GpStatus WINGDIPAPI GdipGetFontCollectionFamilyCount(
795 GpFontCollection* fontCollection, INT* numFound)
797 FIXME("stub: %p, %p\n", fontCollection, numFound);
799 if (!(fontCollection && numFound))
800 return InvalidParameter;
802 return NotImplemented;
805 /*****************************************************************************
806 * GdipGetFontCollectionFamilyList [GDIPLUS.@]
808 GpStatus WINGDIPAPI GdipGetFontCollectionFamilyList(
809 GpFontCollection* fontCollection, INT numSought,
810 GpFontFamily* gpfamilies[], INT* numFound)
812 FIXME("stub: %p, %d, %p, %p\n", fontCollection, numSought, gpfamilies,
815 if (!(fontCollection && gpfamilies && numFound))
816 return InvalidParameter;
818 return NotImplemented;