2014-11-21 08:48:23 +00:00
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/*
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* FreeType integration
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*
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* Copyright 2014 Nikolay Sivov for CodeWeavers
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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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2014-12-08 10:24:39 +00:00
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#define COBJMACROS
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2014-11-21 08:48:23 +00:00
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#include "config.h"
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#include "wine/port.h"
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#ifdef HAVE_FT2BUILD_H
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#include <ft2build.h>
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2014-12-08 10:24:39 +00:00
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#include FT_CACHE_H
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2014-11-21 08:48:23 +00:00
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#include FT_FREETYPE_H
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#endif /* HAVE_FT2BUILD_H */
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#include "windef.h"
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2014-12-08 10:24:39 +00:00
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#include "dwrite_2.h"
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2014-11-21 08:48:23 +00:00
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#include "wine/library.h"
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#include "wine/debug.h"
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#include "dwrite_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
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#ifdef HAVE_FREETYPE
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2014-12-08 10:24:39 +00:00
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static CRITICAL_SECTION freetype_cs;
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static CRITICAL_SECTION_DEBUG critsect_debug =
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{
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0, 0, &freetype_cs,
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{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": freetype_cs") }
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};
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static CRITICAL_SECTION freetype_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
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2014-11-21 08:48:23 +00:00
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static void *ft_handle = NULL;
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static FT_Library library = 0;
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2014-12-08 10:24:39 +00:00
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static FTC_Manager cache_manager = 0;
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2014-11-21 08:48:23 +00:00
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typedef struct
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{
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FT_Int major;
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FT_Int minor;
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FT_Int patch;
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} FT_Version_t;
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#define MAKE_FUNCPTR(f) static typeof(f) * p##f = NULL
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2014-12-08 10:24:39 +00:00
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MAKE_FUNCPTR(FT_Done_FreeType);
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2014-11-21 08:48:23 +00:00
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MAKE_FUNCPTR(FT_Init_FreeType);
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MAKE_FUNCPTR(FT_Library_Version);
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2014-12-08 10:24:39 +00:00
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MAKE_FUNCPTR(FT_Load_Glyph);
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2014-11-21 08:48:23 +00:00
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MAKE_FUNCPTR(FT_New_Memory_Face);
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2014-12-08 10:24:39 +00:00
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MAKE_FUNCPTR(FTC_Manager_New);
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MAKE_FUNCPTR(FTC_Manager_Done);
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2014-12-09 06:58:14 +00:00
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MAKE_FUNCPTR(FTC_Manager_LookupFace);
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2014-12-08 10:24:39 +00:00
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MAKE_FUNCPTR(FTC_Manager_LookupSize);
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MAKE_FUNCPTR(FTC_Manager_RemoveFaceID);
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2014-11-21 08:48:23 +00:00
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#undef MAKE_FUNCPTR
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2014-12-08 10:24:39 +00:00
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static FT_Error face_requester(FTC_FaceID face_id, FT_Library library, FT_Pointer request_data, FT_Face *face)
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2014-11-21 08:48:23 +00:00
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{
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2014-12-08 10:24:39 +00:00
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IDWriteFontFace *fontface = (IDWriteFontFace*)face_id;
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IDWriteFontFileStream *stream;
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IDWriteFontFile *file;
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const void *data_ptr;
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UINT32 index, count;
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FT_Error fterror;
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UINT64 data_size;
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void *context;
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HRESULT hr;
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*face = NULL;
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count = 1;
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hr = IDWriteFontFace_GetFiles(fontface, &count, &file);
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if (FAILED(hr))
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return FT_Err_Ok;
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hr = get_filestream_from_file(file, &stream);
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IDWriteFontFile_Release(file);
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if (FAILED(hr))
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return FT_Err_Ok;
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hr = IDWriteFontFileStream_GetFileSize(stream, &data_size);
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if (FAILED(hr)) {
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fterror = FT_Err_Invalid_Stream_Read;
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goto fail;
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}
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hr = IDWriteFontFileStream_ReadFileFragment(stream, &data_ptr, 0, data_size, &context);
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if (FAILED(hr)) {
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fterror = FT_Err_Invalid_Stream_Read;
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goto fail;
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}
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index = IDWriteFontFace_GetIndex(fontface);
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fterror = pFT_New_Memory_Face(library, data_ptr, data_size, index, face);
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IDWriteFontFileStream_ReleaseFileFragment(stream, context);
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fail:
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IDWriteFontFileStream_Release(stream);
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return fterror;
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}
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2014-11-21 08:48:23 +00:00
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BOOL init_freetype(void)
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{
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FT_Version_t FT_Version;
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ft_handle = wine_dlopen(SONAME_LIBFREETYPE, RTLD_NOW, NULL, 0);
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if (!ft_handle) {
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WINE_MESSAGE("Wine cannot find the FreeType font library.\n");
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return FALSE;
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}
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#define LOAD_FUNCPTR(f) if((p##f = wine_dlsym(ft_handle, #f, NULL, 0)) == NULL){WARN("Can't find symbol %s\n", #f); goto sym_not_found;}
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2014-12-08 10:24:39 +00:00
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LOAD_FUNCPTR(FT_Done_FreeType)
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2014-11-21 08:48:23 +00:00
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LOAD_FUNCPTR(FT_Init_FreeType)
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LOAD_FUNCPTR(FT_Library_Version)
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2014-12-08 10:24:39 +00:00
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LOAD_FUNCPTR(FT_Load_Glyph)
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2014-11-21 08:48:23 +00:00
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LOAD_FUNCPTR(FT_New_Memory_Face)
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2014-12-08 10:24:39 +00:00
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LOAD_FUNCPTR(FTC_Manager_New)
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LOAD_FUNCPTR(FTC_Manager_Done)
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2014-12-09 06:58:14 +00:00
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LOAD_FUNCPTR(FTC_Manager_LookupFace)
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2014-12-08 10:24:39 +00:00
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LOAD_FUNCPTR(FTC_Manager_LookupSize)
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LOAD_FUNCPTR(FTC_Manager_RemoveFaceID)
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2014-11-21 08:48:23 +00:00
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#undef LOAD_FUNCPTR
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if (pFT_Init_FreeType(&library) != 0) {
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ERR("Can't init FreeType library\n");
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wine_dlclose(ft_handle, NULL, 0);
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ft_handle = NULL;
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return FALSE;
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}
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pFT_Library_Version(library, &FT_Version.major, &FT_Version.minor, &FT_Version.patch);
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2014-12-08 10:24:39 +00:00
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/* init cache manager */
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if (pFTC_Manager_New(library, 0, 0, 0, &face_requester, NULL, &cache_manager) != 0) {
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ERR("Failed to init FreeType cache\n");
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pFT_Done_FreeType(library);
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wine_dlclose(ft_handle, NULL, 0);
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ft_handle = NULL;
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return FALSE;
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}
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2014-11-21 08:48:23 +00:00
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TRACE("FreeType version is %d.%d.%d\n", FT_Version.major, FT_Version.minor, FT_Version.patch);
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return TRUE;
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sym_not_found:
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WINE_MESSAGE("Wine cannot find certain functions that it needs from FreeType library.\n");
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wine_dlclose(ft_handle, NULL, 0);
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ft_handle = NULL;
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return FALSE;
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}
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2014-12-08 10:24:39 +00:00
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void release_freetype(void)
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2014-11-21 08:48:23 +00:00
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{
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2014-12-08 10:24:39 +00:00
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pFTC_Manager_Done(cache_manager);
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pFT_Done_FreeType(library);
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}
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2014-11-21 08:48:23 +00:00
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2014-12-08 10:24:39 +00:00
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void freetype_notify_cacheremove(IDWriteFontFace2 *fontface)
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{
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EnterCriticalSection(&freetype_cs);
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pFTC_Manager_RemoveFaceID(cache_manager, fontface);
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LeaveCriticalSection(&freetype_cs);
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}
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2014-11-21 08:48:23 +00:00
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2014-12-08 10:24:39 +00:00
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HRESULT freetype_get_design_glyph_metrics(IDWriteFontFace2 *fontface, UINT16 unitsperEm, UINT16 glyph, DWRITE_GLYPH_METRICS *ret)
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{
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FTC_ScalerRec scaler;
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FT_Size size;
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scaler.face_id = fontface;
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scaler.width = unitsperEm;
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scaler.height = unitsperEm;
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scaler.pixel = 1;
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scaler.x_res = 0;
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scaler.y_res = 0;
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EnterCriticalSection(&freetype_cs);
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if (pFTC_Manager_LookupSize(cache_manager, &scaler, &size) == 0) {
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if (pFT_Load_Glyph(size->face, glyph, FT_LOAD_NO_SCALE) == 0) {
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FT_Glyph_Metrics *metrics = &size->face->glyph->metrics;
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ret->leftSideBearing = metrics->horiBearingX;
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ret->advanceWidth = metrics->horiAdvance;
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ret->rightSideBearing = metrics->horiAdvance - metrics->horiBearingX - metrics->width;
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ret->topSideBearing = metrics->vertBearingY;
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ret->advanceHeight = metrics->vertAdvance;
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ret->bottomSideBearing = metrics->vertAdvance - metrics->vertBearingY - metrics->height;
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ret->verticalOriginY = metrics->height + metrics->vertBearingY;
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}
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2014-11-21 08:48:23 +00:00
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}
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2014-12-08 10:24:39 +00:00
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LeaveCriticalSection(&freetype_cs);
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2014-11-21 08:48:23 +00:00
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return S_OK;
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}
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2014-12-09 06:58:14 +00:00
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BOOL freetype_is_monospaced(IDWriteFontFace2 *fontface)
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{
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BOOL is_monospaced = FALSE;
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FT_Face face;
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EnterCriticalSection(&freetype_cs);
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if (pFTC_Manager_LookupFace(cache_manager, fontface, &face) == 0)
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is_monospaced = FT_IS_FIXED_WIDTH(face);
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LeaveCriticalSection(&freetype_cs);
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return is_monospaced;
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}
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2014-11-21 08:48:23 +00:00
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#else /* HAVE_FREETYPE */
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BOOL init_freetype(void)
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{
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return FALSE;
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}
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2014-12-08 10:24:39 +00:00
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void release_freetype(void)
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{
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}
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void freetype_notify_cacheremove(IDWriteFontFace2 *fontface)
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2014-11-21 08:48:23 +00:00
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{
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}
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2014-12-08 10:24:39 +00:00
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HRESULT freetype_get_design_glyph_metrics(IDWriteFontFace2 *fontface, UINT16 unitsperEm, UINT16 glyph, DWRITE_GLYPH_METRICS *ret)
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2014-11-21 08:48:23 +00:00
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{
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2014-12-08 10:24:39 +00:00
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return E_NOTIMPL;
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2014-11-21 08:48:23 +00:00
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}
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2014-12-09 06:58:14 +00:00
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BOOL freetype_is_monospaced(IDWriteFontFace2 *fontface)
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{
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return FALSE;
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}
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2014-11-21 08:48:23 +00:00
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#endif /* HAVE_FREETYPE */
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