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 *font
= GdipAlloc(sizeof(GpFont
));
173 if(!*font
) return OutOfMemory
;
175 memcpy((*font
)->lfw
.lfFaceName
, logfont
->lfFaceName
, LF_FACESIZE
*
177 (*font
)->lfw
.lfHeight
= logfont
->lfHeight
;
178 (*font
)->lfw
.lfItalic
= logfont
->lfItalic
;
179 (*font
)->lfw
.lfUnderline
= logfont
->lfUnderline
;
180 (*font
)->lfw
.lfStrikeOut
= logfont
->lfStrikeOut
;
182 (*font
)->emSize
= logfont
->lfHeight
;
183 (*font
)->unit
= UnitPixel
;
185 hfont
= CreateFontIndirectW(&(*font
)->lfw
);
186 oldfont
= SelectObject(hdc
, hfont
);
187 GetTextMetricsW(hdc
, &textmet
);
189 (*font
)->lfw
.lfHeight
= -textmet
.tmHeight
;
190 (*font
)->lfw
.lfWeight
= textmet
.tmWeight
;
192 SelectObject(hdc
, oldfont
);
198 /*******************************************************************************
199 * GdipCreateFontFromLogfontA [GDIPLUS.@]
201 GpStatus WINGDIPAPI
GdipCreateFontFromLogfontA(HDC hdc
,
202 GDIPCONST LOGFONTA
*lfa
, GpFont
**font
)
207 return InvalidParameter
;
209 memcpy(&lfw
, lfa
, FIELD_OFFSET(LOGFONTA
,lfFaceName
) );
211 if(!MultiByteToWideChar(CP_ACP
, 0, lfa
->lfFaceName
, -1, lfw
.lfFaceName
, LF_FACESIZE
))
214 GdipCreateFontFromLogfontW(hdc
, &lfw
, font
);
219 /*******************************************************************************
220 * GdipDeleteFont [GDIPLUS.@]
222 GpStatus WINGDIPAPI
GdipDeleteFont(GpFont
* font
)
225 return InvalidParameter
;
232 /*******************************************************************************
233 * GdipCreateFontFromDC [GDIPLUS.@]
235 GpStatus WINGDIPAPI
GdipCreateFontFromDC(HDC hdc
, GpFont
**font
)
241 return InvalidParameter
;
243 hfont
= (HFONT
)GetCurrentObject(hdc
, OBJ_FONT
);
247 if(!GetObjectW(hfont
, sizeof(LOGFONTW
), &lfw
))
250 return GdipCreateFontFromLogfontW(hdc
, &lfw
, font
);
253 /*******************************************************************************
254 * GdipGetFamily [GDIPLUS.@]
256 * Returns the FontFamily for the specified Font
259 * font [I] Font to request from
260 * family [O] Resulting FontFamily object
264 * FAILURE: An element of GpStatus
266 GpStatus WINGDIPAPI
GdipGetFamily(GpFont
*font
, GpFontFamily
**family
)
268 TRACE("%p %p\n", font
, family
);
270 if (!(font
&& family
))
271 return InvalidParameter
;
273 return GdipCreateFontFamilyFromName(font
->lfw
.lfFaceName
, NULL
, family
);
276 /******************************************************************************
277 * GdipGetFontSize [GDIPLUS.@]
279 * Returns the size of the font in Units
282 * *font [I] The font to retrieve size from
283 * *size [O] Pointer to hold retrieved value
287 * FAILURE: InvalidParamter (font or size was NULL)
290 * Size returned is actually emSize -- not internal size used for drawing.
292 GpStatus WINGDIPAPI
GdipGetFontSize(GpFont
*font
, REAL
*size
)
294 if (!(font
&& size
)) return InvalidParameter
;
296 *size
= font
->emSize
;
301 /*******************************************************************************
302 * GdipGetFontStyle [GDIPLUS.@]
304 * Gets the font's style, returned in bitwise OR of FontStyle enumeration
307 * font [I] font to request from
308 * style [O] resulting pointer to a FontStyle enumeration
312 * FAILURE: InvalidParameter
314 GpStatus WINGDIPAPI
GdipGetFontStyle(GpFont
*font
, INT
*style
)
316 TRACE("%p %p\n", font
, style
);
318 if (!(font
&& style
))
319 return InvalidParameter
;
321 if (font
->lfw
.lfWeight
> 400)
322 *style
= FontStyleBold
;
325 if (font
->lfw
.lfItalic
)
326 *style
|= FontStyleItalic
;
327 if (font
->lfw
.lfUnderline
)
328 *style
|= FontStyleUnderline
;
329 if (font
->lfw
.lfStrikeOut
)
330 *style
|= FontStyleStrikeout
;
335 /*******************************************************************************
336 * GdipGetFontUnit [GDIPLUS.@]
339 * font [I] Font to retrieve from
340 * unit [O] Return value
343 * FAILURE: font or unit was NULL
346 GpStatus WINGDIPAPI
GdipGetFontUnit(GpFont
*font
, Unit
*unit
)
348 if (!(font
&& unit
)) return InvalidParameter
;
355 /*******************************************************************************
356 * GdipGetLogFontW [GDIPLUS.@]
358 GpStatus WINGDIPAPI
GdipGetLogFontW(GpFont
*font
, GpGraphics
*graphics
,
361 /* FIXME: use graphics */
362 if(!font
|| !graphics
|| !lfw
)
363 return InvalidParameter
;
370 /*******************************************************************************
371 * GdipCloneFont [GDIPLUS.@]
373 GpStatus WINGDIPAPI
GdipCloneFont(GpFont
*font
, GpFont
**cloneFont
)
375 if(!font
|| !cloneFont
)
376 return InvalidParameter
;
378 *cloneFont
= GdipAlloc(sizeof(GpFont
));
379 if(!*cloneFont
) return OutOfMemory
;
386 /*******************************************************************************
387 * GdipGetFontHeightGivenDPI [GDIPLUS.@]
389 * font [I] Font to retrieve DPI from
390 * dpi [I] DPI to assume
391 * height [O] Return value
395 * FAILURE: InvalidParameter if font or height is NULL
398 * According to MSDN, the result is (lineSpacing)*(fontSize / emHeight)*dpi
399 * (for anything other than unit Pixel)
401 GpStatus WINGDIPAPI
GdipGetFontHeightGivenDPI(GDIPCONST GpFont
*font
, REAL dpi
, REAL
*height
)
403 if (!(font
&& height
)) return InvalidParameter
;
405 FIXME("%p (%s), %f, %p\n", font
,
406 debugstr_w(font
->lfw
.lfFaceName
), dpi
, height
);
408 return NotImplemented
;
411 /***********************************************************************
412 * Borrowed from GDI32:
414 * Elf is really an ENUMLOGFONTEXW, and ntm is a NEWTEXTMETRICEXW.
415 * We have to use other types because of the FONTENUMPROCW definition.
417 static INT CALLBACK
is_font_installed_proc(const LOGFONTW
*elf
,
418 const TEXTMETRICW
*ntm
, DWORD type
, LPARAM lParam
)
425 *(NEWTEXTMETRICW
*)lParam
= *(const NEWTEXTMETRICW
*)ntm
;
430 static BOOL
find_installed_font(const WCHAR
*name
, NEWTEXTMETRICW
*ntm
)
435 if(!EnumFontFamiliesW(hdc
, name
, is_font_installed_proc
, (LPARAM
)ntm
))
442 /*******************************************************************************
443 * GdipCreateFontFamilyFromName [GDIPLUS.@]
445 * Creates a font family object based on a supplied name
448 * name [I] Name of the font
449 * fontCollection [I] What font collection (if any) the font belongs to (may be NULL)
450 * FontFamily [O] Pointer to the resulting FontFamily object
454 * FAILURE: FamilyNotFound if the requested FontFamily does not exist on the system
455 * FAILURE: Invalid parameter if FontFamily or name is NULL
458 * If fontCollection is NULL then the object is not part of any collection
462 GpStatus WINGDIPAPI
GdipCreateFontFamilyFromName(GDIPCONST WCHAR
*name
,
463 GpFontCollection
*fontCollection
,
464 GpFontFamily
**FontFamily
)
466 GpFontFamily
* ffamily
;
469 TRACE("%s, %p %p\n", debugstr_w(name
), fontCollection
, FontFamily
);
471 if (!(name
&& FontFamily
))
472 return InvalidParameter
;
474 FIXME("No support for FontCollections yet!\n");
476 if (!find_installed_font(name
, &ntm
))
477 return FontFamilyNotFound
;
479 ffamily
= GdipAlloc(sizeof (GpFontFamily
));
480 if (!ffamily
) return OutOfMemory
;
483 lstrcpynW(ffamily
->FamilyName
, name
, LF_FACESIZE
);
485 *FontFamily
= ffamily
;
490 /*******************************************************************************
491 * GdipCloneFontFamily [GDIPLUS.@]
493 * Creates a deep copy of a Font Family object
496 * FontFamily [I] Font to clone
497 * clonedFontFamily [O] The resulting cloned font
502 GpStatus WINGDIPAPI
GdipCloneFontFamily(GpFontFamily
* FontFamily
, GpFontFamily
** clonedFontFamily
)
504 if (!(FontFamily
&& clonedFontFamily
)) return InvalidParameter
;
506 TRACE("stub: %p (%s), %p\n", FontFamily
,
507 debugstr_w(FontFamily
->FamilyName
), clonedFontFamily
);
509 *clonedFontFamily
= GdipAlloc(sizeof(GpFontFamily
));
510 if (!*clonedFontFamily
) return OutOfMemory
;
512 (*clonedFontFamily
)->tmw
= FontFamily
->tmw
;
513 lstrcpyW((*clonedFontFamily
)->FamilyName
, FontFamily
->FamilyName
);
518 /*******************************************************************************
519 * GdipGetFamilyName [GDIPLUS.@]
521 * Returns the family name into name
524 * *family [I] Family to retrieve from
525 * *name [O] WCHARS of the family name
530 * FAILURE: InvalidParameter if family is NULL
533 * If name is a NULL ptr, then both XP and Vista will crash (so we do as well)
535 GpStatus WINGDIPAPI
GdipGetFamilyName (GDIPCONST GpFontFamily
*family
,
536 WCHAR
*name
, LANGID language
)
539 return InvalidParameter
;
541 TRACE("%p, %p, %d\n", family
, name
, language
);
543 if (language
!= LANG_NEUTRAL
)
544 FIXME("No support for handling of multiple languages!\n");
546 lstrcpynW (name
, family
->FamilyName
, LF_FACESIZE
);
552 /*****************************************************************************
553 * GdipDeleteFontFamily [GDIPLUS.@]
555 * Removes the specified FontFamily
558 * *FontFamily [I] The family to delete
562 * FAILURE: InvalidParameter if FontFamily is NULL.
565 GpStatus WINGDIPAPI
GdipDeleteFontFamily(GpFontFamily
*FontFamily
)
568 return InvalidParameter
;
569 TRACE("Deleting %p (%s)\n", FontFamily
, debugstr_w(FontFamily
->FamilyName
));
571 GdipFree (FontFamily
);
576 GpStatus WINGDIPAPI
GdipGetCellAscent(GDIPCONST GpFontFamily
*family
,
577 INT style
, UINT16
* CellAscent
)
579 if (!(family
&& CellAscent
)) return InvalidParameter
;
581 *CellAscent
= family
->tmw
.tmAscent
;
586 GpStatus WINGDIPAPI
GdipGetCellDescent(GDIPCONST GpFontFamily
*family
,
587 INT style
, UINT16
* CellDescent
)
589 if (!(family
&& CellDescent
)) return InvalidParameter
;
591 *CellDescent
= family
->tmw
.tmDescent
;
596 /*******************************************************************************
597 * GdipGetEmHeight [GDIPLUS.@]
599 * Gets the height of the specified family in EmHeights
602 * family [I] Family to retrieve from
603 * style [I] (optional) style
604 * EmHeight [O] return value
608 * FAILURE: InvalidParameter
610 GpStatus WINGDIPAPI
GdipGetEmHeight(GDIPCONST GpFontFamily
*family
, INT style
, UINT16
* EmHeight
)
612 if (!(family
&& EmHeight
)) return InvalidParameter
;
614 TRACE("%p (%s), %d, %p, stub!\n", family
,
615 debugstr_w(family
->FamilyName
), style
, EmHeight
);
617 *EmHeight
= family
->tmw
.ntmSizeEM
;
623 /*******************************************************************************
624 * GdipGetLineSpacing [GDIPLUS.@]
626 * Returns the line spacing in design units
629 * family [I] Family to retrieve from
630 * style [I] (Optional) font style
631 * LineSpacing [O] Return value
635 * FAILURE: InvalidParameter (family or LineSpacing was NULL)
637 GpStatus WINGDIPAPI
GdipGetLineSpacing(GDIPCONST GpFontFamily
*family
,
638 INT style
, UINT16
* LineSpacing
)
640 if (!(family
&& LineSpacing
)) return InvalidParameter
;
644 return NotImplemented
;
647 GpStatus WINGDIPAPI
GdipIsStyleAvailable(GDIPCONST GpFontFamily
* family
,
648 INT style
, BOOL
* IsStyleAvailable
)
650 FIXME("%p %d %p stub!\n", family
, style
, IsStyleAvailable
);
652 if (!(family
&& IsStyleAvailable
))
653 return InvalidParameter
;
655 return NotImplemented
;
658 /*****************************************************************************
659 * GdipGetGenericFontFamilyMonospace [GDIPLUS.@]
661 * Obtains a serif family (Courier New on Windows)
664 * **nativeFamily [I] Where the font will be stored
667 * InvalidParameter if nativeFamily is NULL.
670 GpStatus WINGDIPAPI
GdipGetGenericFontFamilyMonospace(GpFontFamily
**nativeFamily
)
672 static const WCHAR CourierNew
[] = {'C','o','u','r','i','e','r',' ','N','e','w','\0'};
674 if (nativeFamily
== NULL
) return InvalidParameter
;
676 return GdipCreateFontFamilyFromName(CourierNew
, NULL
, nativeFamily
);
679 /*****************************************************************************
680 * GdipGetGenericFontFamilySerif [GDIPLUS.@]
682 * Obtains a serif family (Times New Roman on Windows)
685 * **nativeFamily [I] Where the font will be stored
688 * InvalidParameter if nativeFamily is NULL.
691 GpStatus WINGDIPAPI
GdipGetGenericFontFamilySerif(GpFontFamily
**nativeFamily
)
693 static const WCHAR TimesNewRoman
[] = {'T','i','m','e','s',' ','N','e','w',' ','R','o','m','a','n','\0'};
695 if (nativeFamily
== NULL
) return InvalidParameter
;
697 return GdipCreateFontFamilyFromName(TimesNewRoman
, NULL
, nativeFamily
);
700 /*****************************************************************************
701 * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
703 * Obtains a serif family (Microsoft Sans Serif on Windows)
706 * **nativeFamily [I] Where the font will be stored
709 * InvalidParameter if nativeFamily is NULL.
712 GpStatus WINGDIPAPI
GdipGetGenericFontFamilySansSerif(GpFontFamily
**nativeFamily
)
714 /* FIXME: On Windows this is called Microsoft Sans Serif, this shouldn't
716 static const WCHAR MSSansSerif
[] = {'M','S',' ','S','a','n','s',' ','S','e','r','i','f','\0'};
718 if (nativeFamily
== NULL
) return InvalidParameter
;
720 return GdipCreateFontFamilyFromName(MSSansSerif
, NULL
, nativeFamily
);
723 /*****************************************************************************
724 * GdipGetGenericFontFamilySansSerif [GDIPLUS.@]
726 GpStatus WINGDIPAPI
GdipNewPrivateFontCollection(GpFontCollection
** fontCollection
)
728 FIXME("stub %p\n", fontCollection
);
731 return InvalidParameter
;
733 return NotImplemented
;
736 /*****************************************************************************
737 * GdipDeletePrivateFontCollection [GDIPLUS.@]
739 GpStatus WINGDIPAPI
GdipDeletePrivateFontCollection(GpFontCollection
**fontCollection
)
741 FIXME("stub %p\n", fontCollection
);
744 return InvalidParameter
;
746 return NotImplemented
;
749 /*****************************************************************************
750 * GdipPrivateAddFontFile [GDIPLUS.@]
752 GpStatus WINGDIPAPI
GdipPrivateAddFontFile(GpFontCollection
* fontCollection
,
753 GDIPCONST WCHAR
* filename
)
755 FIXME("stub: %p, %s\n", fontCollection
, debugstr_w(filename
));
757 if (!(fontCollection
&& filename
))
758 return InvalidParameter
;
760 return NotImplemented
;
763 /*****************************************************************************
764 * GdipGetFontCollectionFamilyCount [GDIPLUS.@]
766 GpStatus WINGDIPAPI
GdipGetFontCollectionFamilyCount(
767 GpFontCollection
* fontCollection
, INT
* numFound
)
769 FIXME("stub: %p, %p\n", fontCollection
, numFound
);
771 if (!(fontCollection
&& numFound
))
772 return InvalidParameter
;
774 return NotImplemented
;
777 /*****************************************************************************
778 * GdipGetFontCollectionFamilyList [GDIPLUS.@]
780 GpStatus WINGDIPAPI
GdipGetFontCollectionFamilyList(
781 GpFontCollection
* fontCollection
, INT numSought
,
782 GpFontFamily
* gpfamilies
[], INT
* numFound
)
784 FIXME("stub: %p, %d, %p, %p\n", fontCollection
, numSought
, gpfamilies
,
787 if (!(fontCollection
&& gpfamilies
&& numFound
))
788 return InvalidParameter
;
790 return NotImplemented
;