620 lines
15 KiB
C
620 lines
15 KiB
C
/****************************************************************************
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* libs/libnx/nxfonts/nxfonts_getfont.c
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <debug.h>
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#include <nuttx/nx/nx.h>
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#include <nuttx/nx/nxfonts.h>
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#include "nxfonts.h"
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/* MONO */
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#ifdef CONFIG_NXFONT_MONO5X8
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extern const struct nx_fontpackage_s g_mono5x8_package;
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#endif
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/* SANS */
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#ifdef CONFIG_NXFONT_SANS17X22
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extern const struct nx_fontpackage_s g_sans17x22_package;
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#endif
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#ifdef CONFIG_NXFONT_SANS20X26
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extern const struct nx_fontpackage_s g_sans20x26_package;
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#endif
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#ifdef CONFIG_NXFONT_SANS23X27
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extern const struct nx_fontpackage_s g_sans23x27_package;
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#endif
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#ifdef CONFIG_NXFONT_SANS22X29
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extern const struct nx_fontpackage_s g_sans22x29_package;
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#endif
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#ifdef CONFIG_NXFONT_SANS28X37
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extern const struct nx_fontpackage_s g_sans28x37_package;
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#endif
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#ifdef CONFIG_NXFONT_SANS39X48
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extern const struct nx_fontpackage_s g_sans39x48_package;
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#endif
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/* SANS-BOLD */
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#ifdef CONFIG_NXFONT_SANS17X23B
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extern const struct nx_fontpackage_s g_sans17x23b_package;
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#endif
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#ifdef CONFIG_NXFONT_SANS20X27B
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extern const struct nx_fontpackage_s g_sans20x27b_package;
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#endif
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#ifdef CONFIG_NXFONT_SANS22X29B
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extern const struct nx_fontpackage_s g_sans22x29b_package;
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#endif
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#ifdef CONFIG_NXFONT_SANS28X37B
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extern const struct nx_fontpackage_s g_sans28x37b_package;
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#endif
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#ifdef CONFIG_NXFONT_SANS40X49B
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extern const struct nx_fontpackage_s g_sans40x49b_package;
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#endif
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/* SERIF */
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#ifdef CONFIG_NXFONT_SERIF22X29
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extern const struct nx_fontpackage_s g_serif22x29_package;
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#endif
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#ifdef CONFIG_NXFONT_SERIF29X37
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extern const struct nx_fontpackage_s g_serif29x37_package;
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#endif
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#ifdef CONFIG_NXFONT_SERIF38X48
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extern const struct nx_fontpackage_s g_serif38x48_package;
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#endif
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/* SERIF-BOLD */
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#ifdef CONFIG_NXFONT_SERIF22X28B
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extern const struct nx_fontpackage_s g_serif22x28b_package;
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#endif
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#ifdef CONFIG_NXFONT_SERIF27X38B
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extern const struct nx_fontpackage_s g_serif27x38b_package;
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#endif
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#ifdef CONFIG_NXFONT_SERIF38X48
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extern const struct nx_fontpackage_s g_serif38x48_package;
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#endif
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#ifdef CONFIG_NXFONT_SERIF38X49B
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extern const struct nx_fontpackage_s g_serif38x49b_package;
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#endif
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/* Pixel fonts */
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#ifdef CONFIG_NXFONT_PIXEL_UNICODE
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extern const struct nx_fontpackage_s g_pixel_unicode_package;
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#endif
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#ifdef CONFIG_NXFONT_PIXEL_LCD_MACHINE
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extern const struct nx_fontpackage_s g_pixel_lcd_machine_package;
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#endif
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/* X11 misc fixed fonts */
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_4X6
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extern const struct nx_fontpackage_s g_x11_misc_fixed_4x6_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_5X7
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extern const struct nx_fontpackage_s g_x11_misc_fixed_5x7_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_5X8
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extern const struct nx_fontpackage_s g_x11_misc_fixed_5x8_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_6X9
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extern const struct nx_fontpackage_s g_x11_misc_fixed_6x9_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_6X10
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extern const struct nx_fontpackage_s g_x11_misc_fixed_6x10_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_6X12
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extern const struct nx_fontpackage_s g_x11_misc_fixed_6x12_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_6X13
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extern const struct nx_fontpackage_s g_x11_misc_fixed_6x13_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_6X13B
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extern const struct nx_fontpackage_s g_x11_misc_fixed_6x13b_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_6X13O
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extern const struct nx_fontpackage_s g_x11_misc_fixed_6x13o_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_7X13
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extern const struct nx_fontpackage_s g_x11_misc_fixed_7x13_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_7X13B
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extern const struct nx_fontpackage_s g_x11_misc_fixed_7x13b_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_7X13O
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extern const struct nx_fontpackage_s g_x11_misc_fixed_7x13o_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_7X14
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extern const struct nx_fontpackage_s g_x11_misc_fixed_7x14_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_7X14B
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extern const struct nx_fontpackage_s g_x11_misc_fixed_7x14b_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_8X13
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extern const struct nx_fontpackage_s g_x11_misc_fixed_8x13_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_8X13B
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extern const struct nx_fontpackage_s g_x11_misc_fixed_8x13b_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_8X13O
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extern const struct nx_fontpackage_s g_x11_misc_fixed_8x13o_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_9X15
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extern const struct nx_fontpackage_s g_x11_misc_fixed_9x15_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_9X15B
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extern const struct nx_fontpackage_s g_x11_misc_fixed_9x15b_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_9X18
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extern const struct nx_fontpackage_s g_x11_misc_fixed_9x18_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_9X18B
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extern const struct nx_fontpackage_s g_x11_misc_fixed_9x18b_package;
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_10X20
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extern const struct nx_fontpackage_s g_x11_misc_fixed_10x20_package;
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#endif
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#ifdef CONFIG_NXFONT_TOM_THUMB_4X6
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extern const struct nx_fontpackage_s g_tom_thumb_4x6_package;
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#endif
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static FAR const struct nx_fontpackage_s *g_fontpackages[] =
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{
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/* MONO */
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#ifdef CONFIG_NXFONT_MONO5X8
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&g_mono5x8_package,
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#endif
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/* SANS */
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#ifdef CONFIG_NXFONT_SANS17X22
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&g_sans17x22_package,
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#endif
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#ifdef CONFIG_NXFONT_SANS20X26
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&g_sans20x26_package,
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#endif
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#ifdef CONFIG_NXFONT_SANS23X27
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&g_sans23x27_package,
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#endif
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#ifdef CONFIG_NXFONT_SANS22X29
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&g_sans22x29_package,
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#endif
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#ifdef CONFIG_NXFONT_SANS28X37
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&g_sans28x37_package,
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#endif
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#ifdef CONFIG_NXFONT_SANS39X48
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&g_sans39x48_package,
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#endif
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/* SANS-BOLD */
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#ifdef CONFIG_NXFONT_SANS17X23B
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&g_sans17x23b_package,
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#endif
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#ifdef CONFIG_NXFONT_SANS20X27B
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&g_sans20x27b_package,
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#endif
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#ifdef CONFIG_NXFONT_SANS22X29B
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&g_sans22x29b_package,
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#endif
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#ifdef CONFIG_NXFONT_SANS28X37B
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&g_sans28x37b_package,
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#endif
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#ifdef CONFIG_NXFONT_SANS40X49B
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&g_sans40x49b_package,
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#endif
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/* SERIF */
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#ifdef CONFIG_NXFONT_SERIF22X29
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&g_serif22x29_package,
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#endif
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#ifdef CONFIG_NXFONT_SERIF29X37
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&g_serif29x37_package,
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#endif
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#ifdef CONFIG_NXFONT_SERIF38X48
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&g_serif38x48_package,
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#endif
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/* SERIF-BOLD */
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#ifdef CONFIG_NXFONT_SERIF22X28B
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&g_serif22x28b_package,
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#endif
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#ifdef CONFIG_NXFONT_SERIF27X38B
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&g_serif27x38b_package,
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#endif
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#ifdef CONFIG_NXFONT_SERIF38X49B
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&g_serif38x49b_package,
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#endif
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/* Pixel fonts */
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#ifdef CONFIG_NXFONT_PIXEL_UNICODE
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&g_pixel_unicode_package,
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#endif
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#ifdef CONFIG_NXFONT_PIXEL_LCD_MACHINE
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&g_pixel_lcd_machine_package,
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#endif
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/* X11 misc fixed fonts */
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_4X6
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&g_x11_misc_fixed_4x6_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_5X7
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&g_x11_misc_fixed_5x7_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_5X8
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&g_x11_misc_fixed_5x8_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_6X9
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&g_x11_misc_fixed_6x9_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_6X10
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&g_x11_misc_fixed_6x10_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_6X12
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&g_x11_misc_fixed_6x12_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_6X13
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&g_x11_misc_fixed_6x13_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_6X13B
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&g_x11_misc_fixed_6x13b_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_6X13O
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&g_x11_misc_fixed_6x13o_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_7X13
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&g_x11_misc_fixed_7x13_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_7X13B
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&g_x11_misc_fixed_7x13b_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_7X13O
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&g_x11_misc_fixed_7x13o_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_7X14
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&g_x11_misc_fixed_7x14_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_7X14B
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&g_x11_misc_fixed_7x14b_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_8X13
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&g_x11_misc_fixed_8x13_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_8X13B
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&g_x11_misc_fixed_8x13b_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_8X13O
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&g_x11_misc_fixed_8x13o_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_9X15
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&g_x11_misc_fixed_9x15_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_9X15B
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&g_x11_misc_fixed_9x15b_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_9X18
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&g_x11_misc_fixed_9x18_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_9X18B
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&g_x11_misc_fixed_9x18b_package,
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#endif
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#ifdef CONFIG_NXFONT_X11_MISC_FIXED_10X20
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&g_x11_misc_fixed_10x20_package,
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#endif
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/* Tom Thumb mono-space 4x6 font */
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#ifdef CONFIG_NXFONT_TOM_THUMB_4X6
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&g_tom_thumb_4x6_package,
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#endif
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NULL
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxf_getglyphset
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*
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* Description:
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* Return information about the font set contained in the selected
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* character encoding.
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*
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* Input Parameters:
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* ch: character code
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* package: The selected font package
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*
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****************************************************************************/
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static inline FAR const struct nx_fontset_s *
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nxf_getglyphset(uint16_t ch, FAR const struct nx_fontpackage_s *package)
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{
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FAR const struct nx_fontset_s *fontset;
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/* Select the 7- or 8-bit font set */
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if (ch < 128)
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{
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/* Select the 7-bit font set */
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fontset = &package->font7;
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}
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else if (ch < 256)
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{
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#if CONFIG_NXFONTS_CHARBITS >= 8
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/* Select the 8-bit font set */
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fontset = &package->font8;
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#else
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gwarn("WARNING: 8-bit font support disabled: %d\n", ch);
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return NULL;
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#endif
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}
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else
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{
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/* Someday, perhaps 16-bit fonts will go here */
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gwarn("WARNING: 16-bit font not currently supported\n");
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return NULL;
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}
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/* Then verify that the character actually resides in the font */
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if (ch >= fontset->first && ch < fontset->first +fontset->nchars)
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{
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return fontset;
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}
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/* Too much debug output for the case of space which never resides in the
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* font.
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*/
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if (ch != ' ' && ch != '\t' && ch != '\n' && ch != '\r')
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{
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gwarn("WARNING: No bitmap for code %02x\n", ch);
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}
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return NULL;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxf_getfonthandle
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*
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* Description:
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* Given a numeric font ID, return a handle that may be subsequently be
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* used to access the font data sets.
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*
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* Input Parameters:
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* fontid: Identifies the font set to get
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*
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****************************************************************************/
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NXHANDLE nxf_getfonthandle(enum nx_fontid_e fontid)
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{
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FAR const struct nx_fontpackage_s **pkglist;
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FAR const struct nx_fontpackage_s *package;
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FAR const struct nx_fontpackage_s *defpkg = NULL;
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/* Handle the default font package */
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if (fontid == FONTID_DEFAULT)
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{
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fontid = NXFONT_DEFAULT;
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}
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/* Then search for the font package with this ID */
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for (pkglist = g_fontpackages; *pkglist; pkglist++)
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{
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|
/* Is this the package with the matching font ID? */
|
|
|
|
package = *pkglist;
|
|
if (package->id == fontid)
|
|
{
|
|
/* Yes.. return a pointer to the package as the handle */
|
|
|
|
return (NXHANDLE)package;
|
|
}
|
|
|
|
/* No.. is it the default font? */
|
|
|
|
else if (package->id == NXFONT_DEFAULT)
|
|
{
|
|
/* Yes.. save the pointer to the default font. We will return the
|
|
* default font if the requested font cannot be found.
|
|
*/
|
|
|
|
defpkg = package;
|
|
}
|
|
}
|
|
|
|
/* Return a pointer to the default font as the handle. */
|
|
|
|
return (NXHANDLE)defpkg;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: nxf_getfontset
|
|
*
|
|
* Description:
|
|
* Return information about the current font set
|
|
*
|
|
* Input Parameters:
|
|
* handle: A font handle previously returned by nxf_getfonthandle
|
|
*
|
|
****************************************************************************/
|
|
|
|
FAR const struct nx_font_s *nxf_getfontset(NXHANDLE handle)
|
|
{
|
|
FAR const struct nx_fontpackage_s *package =
|
|
(FAR const struct nx_fontpackage_s *)handle;
|
|
|
|
/* Find the font package associated with this font ID */
|
|
|
|
if (package)
|
|
{
|
|
/* Found... return the font set metrics for this font package */
|
|
|
|
return &package->metrics;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: nxf_getbitmap
|
|
*
|
|
* Description:
|
|
* Return font bitmap information for the selected character encoding.
|
|
*
|
|
* Input Parameters:
|
|
* handle: A font handle previously returned by nxf_getfonthandle
|
|
* ch: Character code whose bitmap is requested
|
|
*
|
|
* Returned Value:
|
|
* An instance of struct nx_fontbitmap_s describing the glyph.
|
|
*
|
|
****************************************************************************/
|
|
|
|
FAR const struct nx_fontbitmap_s *nxf_getbitmap(NXHANDLE handle, uint16_t ch)
|
|
{
|
|
FAR const struct nx_fontpackage_s *package =
|
|
(FAR const struct nx_fontpackage_s *)handle;
|
|
FAR const struct nx_fontset_s *fontset;
|
|
FAR const struct nx_fontbitmap_s *bm = NULL;
|
|
|
|
/* Verify that the handle is a font package */
|
|
|
|
if (package)
|
|
{
|
|
/* Now get the fontset from the package */
|
|
|
|
fontset = nxf_getglyphset(ch, package);
|
|
if (fontset)
|
|
{
|
|
/* Then get the bitmap from the font set */
|
|
|
|
bm = &fontset->bitmap[ch - fontset->first];
|
|
}
|
|
}
|
|
|
|
return bm;
|
|
}
|