ae6a55dbac
To generate new fonts, the freetype2 library is required. This can now be specified by configure in the usual way. If it's missing, new fonts cannot be generated.
101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2004-2022
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file fontutils/fv1.h
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* @brief Definitions relating to fv1 font files
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*/
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#if !defined(FV1_H)
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#define FV1_H
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struct list;
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#define FV1_DEVICE_DPI 96
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#define FV1_MIN_CHAR 0x20 /* First character value in file */
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#define FV1_MIN_FILE_SIZE 48
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#define FV1_MAX_FILE_SIZE (10 * 1024 * 1024)
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#define FV1_MAX_FONT_NAME_SIZE 32
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#define FV1_MAX_GLYPH_DATASIZE 512
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struct fv1_glyph
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{
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unsigned short width; /* Width of glyph */
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unsigned short height; /* Height of glyph */
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short baseline; /* Offset from cursor pos to 1st row of glyph */
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short offset; /* Space before glyph (can be -ve) */
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unsigned short inc_by; /* Total width of glyph + spacing */
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/* Standard C++ does not yet support C99 flexible array members */
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#ifdef __cplusplus
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unsigned char data[1];
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#else
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unsigned char data[];
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#endif
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};
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struct fv1_file
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{
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char font_name[FV1_MAX_FONT_NAME_SIZE + 1];
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short point_size; /* Input point size (for reference) */
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short style;
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short body_height; /* Body height (pixels) */
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short min_descender; /* Min descender of the glyphs in the font */
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struct list *glyphs; /* Glyphs are struct fv1_glyph * */
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};
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/**
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* Get a glyph pointer for a unicode character
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*/
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#define FV1_GET_GLYPH(fv1,ucode) \
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(((ucode) < FV1_MIN_CHAR) \
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? NULL \
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: (struct fv1_glyph *)list_get_item(fv1->glyphs, (ucode) - FV1_MIN_CHAR))
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/**
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* First glyph not in file
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*/
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#define FV1_GLYPH_END(fv1) (fv1->glyphs->count + FV1_MIN_CHAR)
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struct fv1_file *
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fv1_file_load(const char *filename);
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void
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fv1_file_free(struct fv1_file *);
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struct fv1_file *
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fv1_file_create(void);
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struct fv1_glyph *
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fv1_alloc_glyph(int ucode, /* Unicode character for error reporting if known */
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unsigned short width,
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unsigned short height);
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enum fv1_realloc_mode
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{
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FV1_AT_TOP,
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FV1_AT_BOTTOM
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};
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int
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fv1_file_save(const struct fv1_file *fv1, const char *filename);
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#endif
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