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;