mirror of
https://github.com/libretro/scummvm.git
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dcf3bf3a1d
Calling realloc() with a size of 0 is implementation dependent and thus should be avoided for portability.
138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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// Since FreeType2 includes files, which contain forbidden symbols, we need to
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// allow all symbols here.
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#define FORBIDDEN_SYMBOL_ALLOW_ALL
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#include "common/scummsys.h"
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#ifdef USE_FREETYPE2
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include FT_GLYPH_H
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#include FT_MODULE_H
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namespace Graphics {
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namespace FreeType {
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void *Alloc_Callback(FT_Memory memory, long size) {
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return malloc(static_cast<size_t>(size));
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}
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void Free_Callback(FT_Memory memory, void *block) {
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free(block);
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block = nullptr;
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}
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void *Realloc_Callback(FT_Memory memory, long cur_size, long new_size, void *block) {
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return realloc(block, static_cast<size_t>(new_size));
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}
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FT_Error Init_FreeType_With_Mem(FT_Library *alibrary, FT_Memory *amem) {
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// It seems FT_New_Memory isn't part of the public API in 2.10.4
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FT_Memory mem = static_cast<FT_Memory>(malloc(sizeof(FT_MemoryRec_)));
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if (!mem)
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return FT_Err_Out_Of_Memory;
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mem->alloc = Alloc_Callback;
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mem->free = Free_Callback;
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mem->realloc = Realloc_Callback;
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mem->user = nullptr;
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FT_Error error = FT_New_Library(mem, alibrary);
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if (!error) {
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FT_Add_Default_Modules(*alibrary);
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*amem = mem;
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}
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return error;
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}
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FT_Error Init_FreeType(FT_Library *alibrary) {
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return FT_Init_FreeType(alibrary);
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}
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FT_Error Done_FreeType(FT_Library library) {
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return FT_Done_FreeType(library);
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}
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FT_Error Done_FreeType_With_Mem(FT_Library library, FT_Memory mem) {
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FT_Error error = FT_Done_Library(library);
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free(mem);
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return error;
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}
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FT_Error Load_Glyph(FT_Face face, FT_UInt glyph_index, FT_Int32 load_flags) {
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return FT_Load_Glyph(face, glyph_index, load_flags);
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}
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FT_Error Get_Glyph(FT_GlyphSlot slot, FT_Glyph *aglyph) {
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return FT_Get_Glyph(slot, aglyph);
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}
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FT_Error Glyph_Copy(FT_Glyph source, FT_Glyph *target) {
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return FT_Glyph_Copy(source, target);
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}
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FT_Error Glyph_To_Bitmap(FT_Glyph *the_glyph, FT_Render_Mode render_mode,
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FT_Vector *origin, FT_Bool destroy) {
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return FT_Glyph_To_Bitmap(the_glyph, render_mode, origin, destroy);
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}
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void Done_Glyph(FT_Glyph glyph) {
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return FT_Done_Glyph(glyph);
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}
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FT_Error Set_Pixel_Sizes(FT_Face face, FT_UInt pixel_width,
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FT_UInt pixel_height) {
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return FT_Set_Pixel_Sizes(face, pixel_width, pixel_height);
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}
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FT_Error New_Face(FT_Library library, const char *pathname,
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FT_Long face_index, FT_Face *aface) {
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return FT_New_Face(library, pathname, face_index, aface);
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}
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FT_Error New_Memory_Face(FT_Library library, const FT_Byte *file_base,
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FT_Long file_size, FT_Long face_index, FT_Face *aface) {
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return FT_New_Memory_Face(library, file_base, file_size, face_index, aface);
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}
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FT_Error Done_Face(FT_Face face) {
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return FT_Done_Face(face);
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}
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FT_UInt Get_Char_Index(FT_Face face, FT_ULong charcode) {
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return FT_Get_Char_Index(face, charcode);
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}
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FT_Error Get_Kerning(FT_Face face, FT_UInt left_glyph,
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FT_UInt right_glyph, FT_UInt kern_mode, FT_Vector *akerning) {
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return FT_Get_Kerning(face, left_glyph, right_glyph, kern_mode, akerning);
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}
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} // End of namespace FreeType
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} // End of namespace Graphics
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#endif
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