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 TRACE("(%p, %p, %p)\n", hdc
, logfont
, font
);
171 if(!logfont
|| !font
)
172 return InvalidParameter
;
174 if (logfont
->lfFaceName
[0] == 0)
175 return NotTrueTypeFont
;
177 *font
= GdipAlloc(sizeof(GpFont
));
178 if(!*font
) return OutOfMemory
;
180 memcpy((*font
)->lfw
.lfFaceName
, logfont
->lfFaceName
, LF_FACESIZE
*
182 (*font
)->lfw
.lfHeight
= logfont
->lfHeight
;
183 (*font
)->lfw
.lfItalic
= logfont
->lfItalic
;
184 (*font
)->lfw
.lfUnderline
= logfont
->lfUnderline
;
185 (*font
)->lfw
.lfStrikeOut
= logfont
->lfStrikeOut
;
187 (*font
)->emSize
= logfont
->lfHeight
;
188 (*font
)->unit
= UnitPixel
;
190 hfont
= CreateFontIndirectW(&(*font
)->lfw
);
191 oldfont
= SelectObject(hdc
, hfont
);
192 GetTextMetricsW(hdc
, &textmet
);
194 (*font
)->lfw
.lfHeight
= -textmet
.tmHeight
;
195 (*font
)->lfw
.lfWeight
= textmet
.tmWeight
;
197 SelectObject(hdc
, oldfont
);
203 /*******************************************************************************
204 * GdipCreateFontFromLogfontA [GDIPLUS.@]
206 GpStatus WINGDIPAPI
GdipCreateFontFromLogfontA(HDC hdc
,
207 GDIPCONST LOGFONTA
*lfa
, GpFont
**font
)
211 TRACE("(%p, %p, %p)\n", hdc
, lfa
, font
);
214 return InvalidParameter
;
216 memcpy(&lfw
, lfa
, FIELD_OFFSET(LOGFONTA
,lfFaceName
) );
218 if(!MultiByteToWideChar(CP_ACP
, 0, lfa
->lfFaceName
, -1, lfw
.lfFaceName
, LF_FACESIZE
))
221 GdipCreateFontFromLogfontW(hdc
, &lfw
, font
);
226 /*******************************************************************************
227 * GdipDeleteFont [GDIPLUS.@]
229 GpStatus WINGDIPAPI
GdipDeleteFont(GpFont
* font
)
231 TRACE("(%p)\n", font
);
234 return InvalidParameter
;
241 /*******************************************************************************
242 * GdipCreateFontFromDC [GDIPLUS.@]
244 GpStatus WINGDIPAPI
GdipCreateFontFromDC(HDC hdc
, GpFont
**font
)
249 TRACE("(%p, %p)\n", hdc
, font
);
252 return InvalidParameter
;
254 hfont
= (HFONT
)GetCurrentObject(hdc
, OBJ_FONT
);
258 if(!GetObjectW(hfont
, sizeof(LOGFONTW
), &lfw
))
261 return GdipCreateFontFromLogfontW(hdc
, &lfw
, font
);
264 /*******************************************************************************
265 * GdipGetFamily [GDIPLUS.@]
267 * Returns the FontFamily for the specified Font
270 * font [I] Font to request from
271 * family [O] Resulting FontFamily object
275 * FAILURE: An element of GpStatus
277 GpStatus WINGDIPAPI
GdipGetFamily(GpFont
*font
, GpFontFamily
**family
)
279 TRACE("%p %p\n", font
, family
);
281 if (!(font
&& family
))
282 return InvalidParameter
;
284 return GdipCreateFontFamilyFromName(font
->lfw
.lfFaceName
, NULL
, family
);
287 /******************************************************************************
288 * GdipGetFontSize [GDIPLUS.@]
290 * Returns the size of the font in Units
293 * *font [I] The font to retrieve size from
294 * *size [O] Pointer to hold retrieved value
298 * FAILURE: InvalidParamter (font or size was NULL)
301 * Size returned is actually emSize -- not internal size used for drawing.
303 GpStatus WINGDIPAPI
GdipGetFontSize(GpFont
*font
, REAL
*size
)
305 TRACE("(%p, %p)\n", font
, size
);
307 if (!(font
&& size
)) return InvalidParameter
;
309 *size
= font
->emSize
;
314 /*******************************************************************************
315 * GdipGetFontStyle [GDIPLUS.@]
317 * Gets the font's style, returned in bitwise OR of FontStyle enumeration
320 * font [I] font to request from
321 * style [O] resulting pointer to a FontStyle enumeration
325 * FAILURE: InvalidParameter
327 GpStatus WINGDIPAPI
GdipGetFontStyle(GpFont
*font
, INT
*style
)
329 TRACE("%p %p\n", font
, style
);
331 if (!(font
&& style
))
332 return InvalidParameter
;
334 if (font
->lfw
.lfWeight
> 400)
335 *style
= FontStyleBold
;
338 if (font
->lfw
.lfItalic
)
339 *style
|= FontStyleItalic
;
340 if (font
->lfw
.lfUnderline
)
341 *style
|= FontStyleUnderline
;
342 if (font
->lfw
.lfStrikeOut
)
343 *style
|= FontStyleStrikeout
;
348 /*******************************************************************************
349 * GdipGetFontUnit [GDIPLUS.@]
352 * font [I] Font to retrieve from
353 * unit [O] Return value
356 * FAILURE: font or unit was NULL
359 GpStatus WINGDIPAPI
GdipGetFontUnit(GpFont
*font
, Unit
*unit
)
361 TRACE("(%p, %p)\n", font
, unit
);
363 if (!(font
&& unit
)) return InvalidParameter
;
370 /*******************************************************************************
371 * GdipGetLogFontW [GDIPLUS.@]
373 GpStatus WINGDIPAPI
GdipGetLogFontW(GpFont
*font
, GpGraphics
*graphics
,
376 TRACE("(%p, %p, %p)\n", font
, graphics
, lfw
);
378 /* FIXME: use graphics */
379 if(!font
|| !graphics
|| !lfw
)
380 return InvalidParameter
;
387 /*******************************************************************************
388 * GdipCloneFont [GDIPLUS.@]
390 GpStatus WINGDIPAPI
GdipCloneFont(GpFont
*font
, GpFont
**cloneFont
)
392 TRACE("(%p, %p)\n", font
, cloneFont
);
394 if(!font
|| !cloneFont
)
395 return InvalidParameter
;
397 *cloneFont
= GdipAlloc(sizeof(GpFont
));
398 if(!*cloneFont
) return OutOfMemory
;
405 /*******************************************************************************
406 * GdipGetFontHeight [GDIPLUS.@]
408 * font [I] Font to retrieve height from
409 * graphics [I] The current graphics context
410 * height [O] Resulting height
413 * FAILURE: Another element of GpStatus
416 * Forwards to GdipGetFontHeightGivenDPI
418 GpStatus WINGDIPAPI
GdipGetFontHeight(GDIPCONST GpFont
*font
,
419 GDIPCONST GpGraphics
*graphics
, REAL
*height
)
423 TRACE("%p %p %p\n", font
, graphics
, height
);
425 dpi
= GetDeviceCaps(graphics
->hdc
, LOGPIXELSY
);
427 return GdipGetFontHeightGivenDPI(font
, dpi
, height
);
430 /*******************************************************************************
431 * GdipGetFontHeightGivenDPI [GDIPLUS.@]
433 * font [I] Font to retrieve DPI from
434 * dpi [I] DPI to assume
435 * height [O] Return value
439 * FAILURE: InvalidParameter if font or height is NULL
442 * According to MSDN, the result is (lineSpacing)*(fontSize / emHeight)*dpi
443 * (for anything other than unit Pixel)
445 GpStatus WINGDIPAPI
GdipGetFontHeightGivenDPI(GDIPCONST GpFont
*font
, REAL dpi
, REAL
*height
)
447 TRACE("%p (%s), %f, %p\n", font
,
448 debugstr_w(font
->lfw
.lfFaceName
), dpi
, height
);
450 if (!(font
&& height
)) return InvalidParameter
;
455 *height
= font
->emSize
;
458 FIXME("Unhandled unit type: %d\n", font
->unit
);
459 return NotImplemented
;
465 /***********************************************************************
466 * Borrowed from GDI32:
468 * Elf is really an ENUMLOGFONTEXW, and ntm is a NEWTEXTMETRICEXW.
469 * We have to use other types because of the FONTENUMPROCW definition.
471 static INT CALLBACK
is_font_installed_proc(const LOGFONTW
*elf
,
472 const TEXTMETRICW
*ntm
, DWORD type
, LPARAM lParam
)
479 *(NEWTEXTMETRICW
*)lParam
= *(const NEWTEXTMETRICW
*)ntm
;
484 static BOOL
find_installed_font(const WCHAR
*name
, NEWTEXTMETRICW
*ntm
)
489 if(!EnumFontFamiliesW(hdc
, name
, is_font_installed_proc
, (LPARAM
)ntm
))
496 /*******************************************************************************
497 * GdipCreateFontFamilyFromName [GDIPLUS.@]
499 * Creates a font family object based on a supplied name
502 * name [I] Name of the font
503 * fontCollection [I] What font collection (if any) the font belongs to (may be NULL)
504 * FontFamily [O] Pointer to the resulting FontFamily object
508 * FAILURE: FamilyNotFound if the requested FontFamily does not exist on the system
509 * FAILURE: Invalid parameter if FontFamily or name is NULL
512 * If fontCollection is NULL then the object is not part of any collection
516 GpStatus WINGDIPAPI
GdipCreateFontFamilyFromName(GDIPCONST WCHAR
*name
,
517 GpFontCollection
*fontCollection
,
518 GpFontFamily
**FontFamily
)
520 GpFontFamily
* ffamily
;
523 TRACE("%s, %p %p\n", debugstr_w(name
), fontCollection
, FontFamily
);
525 if (!(name
&& FontFamily
))
526 return InvalidParameter
;
528 FIXME("No support for FontCollections yet!\n");
530 if (!find_installed_font(name
, &ntm
))
531 return FontFamilyNotFound
;
533 ffamily
= GdipAlloc(sizeof (GpFontFamily
));
534 if (!ffamily
) return OutOfMemory
;
537 lstrcpynW(ffamily
->FamilyName
, name
, LF_FACESIZE
);
539 *FontFamily
= ffamily
;
544 /*******************************************************************************
545 * GdipCloneFontFamily [GDIPLUS.@]
547 * Creates a deep copy of a Font Family object
550 * FontFamily [I] Font to clone
551 * clonedFontFamily [O] The resulting cloned font
556 GpStatus WINGDIPAPI
GdipCloneFontFamily(GpFontFamily
* FontFamily
, GpFontFamily
** clonedFontFamily
)
558 if (!(FontFamily
&& clonedFontFamily
)) return InvalidParameter
;
560 TRACE("stub: %p (%s), %p\n", FontFamily
,
561 debugstr_w(FontFamily
->FamilyName
), clonedFontFamily
);
563 *clonedFontFamily
= GdipAlloc(sizeof(GpFontFamily
));
564 if (!*clonedFontFamily
) return OutOfMemory
;
566 (*clonedFontFamily
)->tmw
= FontFamily
->tmw
;
567 lstrcpyW((*clonedFontFamily
)->FamilyName
, FontFamily
->FamilyName
);
572 /*******************************************************************************
573 * GdipGetFamilyName [GDIPLUS.@]
575 * Returns the family name into name
578 * *family [I] Family to retrieve from
579 * *name [O] WCHARS of the family name
584 * FAILURE: InvalidParameter if family is NULL
587 * If name is a NULL ptr, then both XP and Vista will crash (so we do as well)
589 GpStatus WINGDIPAPI
GdipGetFamilyName (GDIPCONST GpFontFamily
*family
,
590 WCHAR
*name
, LANGID language
)
593 return InvalidParameter
;
595 TRACE("%p, %p, %d\n", family
, name
, language
);
597 if (language
!= LANG_NEUTRAL
)
598 FIXME("No support for handling of multiple languages!\n");
600 lstrcpynW (name
, family
->FamilyName
, LF_FACESIZE
);
606 /*****************************************************************************
607 * GdipDeleteFontFamily [GDIPLUS.@]
609 * Removes the specified FontFamily
612 * *FontFamily [I] The family to delete
616 * FAILURE: InvalidParameter if FontFamily is NULL.
619 GpStatus WINGDIPAPI
GdipDeleteFontFamily(GpFontFamily
*FontFamily
)
622 return InvalidParameter
;
623 TRACE("Deleting %p (%s)\n", FontFamily
, debugstr_w(FontFamily
->FamilyName
));
625 GdipFree (FontFamily
);
630 GpStatus WINGDIPAPI
GdipGetCellAscent(GDIPCONST GpFontFamily
*family
,
631 INT style
, UINT16
* CellAscent
)
633 if (!(family
&& CellAscent
)) return InvalidParameter
;
635 *CellAscent
= family
->tmw
.tmAscent
;
640 GpStatus WINGDIPAPI
GdipGetCellDescent(GDIPCONST GpFontFamily
*family
,
641 INT style
, UINT16
* CellDescent
)
643 TRACE("(%p, %d, %p)\n", family
, style
, CellDescent
);
645 if (!(family
&& CellDescent
)) return InvalidParameter
;
647 *CellDescent
= family
->tmw
.tmDescent
;
652 /*******************************************************************************
653 * GdipGetEmHeight [GDIPLUS.@]
655 * Gets the height of the specified family in EmHeights
658 * family [I] Family to retrieve from
659 * style [I] (optional) style
660 * EmHeight [O] return value
664 * FAILURE: InvalidParameter
666 GpStatus WINGDIPAPI
GdipGetEmHeight(GDIPCONST GpFontFamily
*family
, INT style
, UINT16
* EmHeight
)
668 if (!(family
&& EmHeight
)) return InvalidParameter
;
670 TRACE("%p (%s), %d, %p, stub!\n", family
,
671 debugstr_w(family
->FamilyName
), style
, EmHeight
);
673 *EmHeight
= family
->tmw
.ntmSizeEM
;
679 /*******************************************************************************
680 * GdipGetLineSpacing [GDIPLUS.@]
682 * Returns the line spacing in design units
685 * family [I] Family to retrieve from
686 * style [I] (Optional) font style
687 * LineSpacing [O] Return value
691 * FAILURE: InvalidParameter (family or LineSpacing was NULL)
693 GpStatus WINGDIPAPI
GdipGetLineSpacing(GDIPCONST GpFontFamily
*family
,
694 INT style
, UINT16
* LineSpacing
)
696 if (!(family
&& LineSpacing
)) return InvalidParameter
;
700 return NotImplemented
;
703 GpStatus WINGDIPAPI
GdipIsStyleAvailable(GDIPCONST GpFontFamily
* family
,
704 INT style
, BOOL
* IsStyleAvailable
)
706 FIXME("%p %d %p stub!\n", family
, style
, IsStyleAvailable
);
708 if (!(family
&& IsStyleAvailable
))
709 return InvalidParameter
;
711 return NotImplemented
;
714 /*****************************************************************************
715 * GdipGetGenericFontFamilyMonospace [GDIPLUS.@]
717 * Obtains a serif family (Courier New on Windows)
720 * **nativeFamily [I] Where the font will be stored
723 * InvalidParameter if nativeFamily is NULL.
726 GpStatus WINGDIPAPI
GdipGetGenericFontFamilyMonospace(GpFontFamily
**nativeFamily
)
728 static const WCHAR CourierNew
[] = {'C','o','u','r','i','e','r',' ','N','e','w','\0'};
730 if (nativeFamily
== NULL
) return InvalidParameter
;
732 return GdipCreateFontFamilyFromName(CourierNew
, NULL
, nativeFamily
);
735 /*****************************************************************************
736 * GdipGetGenericFontFamilySerif [GDIPLUS.@]
738 * Obtains a serif family (Times New Roman on Windows)
741 * **nativeFamily [I] Where the font will be stored
744 * InvalidParameter if nativeFamily is NULL.
747 GpStatus WINGDIPAPI
GdipGetGenericFontFamilySerif(GpFontFamily
**nativeFamily
)
749 static const WCHAR TimesNewRoman
[] = {'T','i','m','e','s',' ','N','e','w',' ','R','o','m','a','n','\0'};
751 TRACE("(%p)\n", nativeFamily
);
753 if (nativeFamily
== NULL
) return InvalidParameter
;
755 return GdipCreateFontFamilyFromName(TimesNewRoman
, NULL
, nativeFamily
);
758 /*****************************************************************************
759 * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
761 * Obtains a serif family (Microsoft Sans Serif on Windows)
764 * **nativeFamily [I] Where the font will be stored
767 * InvalidParameter if nativeFamily is NULL.
770 GpStatus WINGDIPAPI
GdipGetGenericFontFamilySansSerif(GpFontFamily
**nativeFamily
)
772 /* FIXME: On Windows this is called Microsoft Sans Serif, this shouldn't
774 static const WCHAR MSSansSerif
[] = {'M','S',' ','S','a','n','s',' ','S','e','r','i','f','\0'};
776 TRACE("(%p)\n", nativeFamily
);
778 if (nativeFamily
== NULL
) return InvalidParameter
;
780 return GdipCreateFontFamilyFromName(MSSansSerif
, NULL
, nativeFamily
);
783 /*****************************************************************************
784 * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
786 GpStatus WINGDIPAPI
GdipNewPrivateFontCollection(GpFontCollection
** fontCollection
)
788 FIXME("stub %p\n", fontCollection
);
791 return InvalidParameter
;
793 return NotImplemented
;
796 /*****************************************************************************
797 * GdipDeletePrivateFontCollection [GDIPLUS.@]
799 GpStatus WINGDIPAPI
GdipDeletePrivateFontCollection(GpFontCollection
**fontCollection
)
801 FIXME("stub %p\n", fontCollection
);
804 return InvalidParameter
;
806 return NotImplemented
;
809 /*****************************************************************************
810 * GdipPrivateAddFontFile [GDIPLUS.@]
812 GpStatus WINGDIPAPI
GdipPrivateAddFontFile(GpFontCollection
* fontCollection
,
813 GDIPCONST WCHAR
* filename
)
815 FIXME("stub: %p, %s\n", fontCollection
, debugstr_w(filename
));
817 if (!(fontCollection
&& filename
))
818 return InvalidParameter
;
820 return NotImplemented
;
823 /*****************************************************************************
824 * GdipGetFontCollectionFamilyCount [GDIPLUS.@]
826 GpStatus WINGDIPAPI
GdipGetFontCollectionFamilyCount(
827 GpFontCollection
* fontCollection
, INT
* numFound
)
829 FIXME("stub: %p, %p\n", fontCollection
, numFound
);
831 if (!(fontCollection
&& numFound
))
832 return InvalidParameter
;
834 return NotImplemented
;
837 /*****************************************************************************
838 * GdipGetFontCollectionFamilyList [GDIPLUS.@]
840 GpStatus WINGDIPAPI
GdipGetFontCollectionFamilyList(
841 GpFontCollection
* fontCollection
, INT numSought
,
842 GpFontFamily
* gpfamilies
[], INT
* numFound
)
844 FIXME("stub: %p, %d, %p, %p\n", fontCollection
, numSought
, gpfamilies
,
847 if (!(fontCollection
&& gpfamilies
&& numFound
))
848 return InvalidParameter
;
850 return NotImplemented
;