139 lines
3.5 KiB
C
139 lines
3.5 KiB
C
/*
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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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#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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#include FT_FREETYPE_H
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#endif /* HAVE_FT2BUILD_H */
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#include "windef.h"
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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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static void *ft_handle = NULL;
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static FT_Library library = 0;
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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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MAKE_FUNCPTR(FT_Done_Face);
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MAKE_FUNCPTR(FT_Init_FreeType);
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MAKE_FUNCPTR(FT_Library_Version);
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MAKE_FUNCPTR(FT_New_Memory_Face);
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#undef MAKE_FUNCPTR
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struct ft_fontface
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{
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FT_Face face;
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};
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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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LOAD_FUNCPTR(FT_Done_Face)
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LOAD_FUNCPTR(FT_Init_FreeType)
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LOAD_FUNCPTR(FT_Library_Version)
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LOAD_FUNCPTR(FT_New_Memory_Face)
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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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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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HRESULT alloc_ft_fontface(const void *data_ptr, UINT32 data_size, UINT32 index, struct ft_fontface **ftface)
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{
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FT_Face face;
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FT_Error err;
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*ftface = heap_alloc_zero(sizeof(struct ft_fontface));
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if (!*ftface)
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return E_OUTOFMEMORY;
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err = pFT_New_Memory_Face(library, data_ptr, data_size, index, &face);
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if (err) {
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ERR("FT_New_Memory_Face rets %d\n", err);
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return E_FAIL;
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}
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(*ftface)->face = face;
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return S_OK;
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}
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void release_ft_fontface(struct ft_fontface *ftface)
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{
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if (!ftface) return;
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pFT_Done_Face(ftface->face);
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heap_free(ftface);
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}
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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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HRESULT alloc_ft_fontface(const void *data_ptr, UINT32 data_size, UINT32 index, struct ft_fontface **face)
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{
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*face = NULL;
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return S_FALSE;
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}
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void release_ft_fontface(struct ft_fontface *face)
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{
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}
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#endif /* HAVE_FREETYPE */
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