font.c

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2013 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #include <string.h>
00018 #include <stddef.h>
00019 
00020 #include "font.h"
00021 
00022 /* Externs private to the font subsystem. */
00023 /* extern const glyph_t glyphs_DejaVu_Serif_10[]; */
00024 /* extern const uint8_t bitmaps_DejaVu_Serif_10[]; */
00025 extern const glyph_t glyphs_DejaVu_Serif_9[];
00026 extern const uint8_t bitmaps_DejaVu_Serif_9[];
00027 extern const glyph_t glyphs_DejaVu_Serif_8[];
00028 extern const uint8_t bitmaps_DejaVu_Serif_8[];
00029 
00030 /* Accumulation of all avaialble fonts */
00031 const font_face_t fonts[] = {
00032     /* { */
00033     /*     "DejaVu Serif", */
00034     /*     10,   /\* pointSize *\/ */
00035     /*     glyphs_DejaVu_Serif_10, */
00036     /*     bitmaps_DejaVu_Serif_10 */
00037     /* }, */
00038     {
00039         "DejaVu Serif",
00040         9,   /* pointSize */
00041         glyphs_DejaVu_Serif_9,
00042         bitmaps_DejaVu_Serif_9
00043     },
00044     {
00045         "DejaVu Serif",
00046         8,   /* pointSize */
00047         glyphs_DejaVu_Serif_8,
00048         bitmaps_DejaVu_Serif_8
00049     },
00050 
00051     /* sentinel value */
00052     {
00053         NULL,
00054         0,
00055         NULL,
00056         NULL
00057     }
00058 };
00059 
00060 
00061 const font_face_t *
00062 lookupFontFace(const char  *familyName,
00063                unsigned int pointSize)
00064 {
00065     unsigned fontIndex;
00066 
00067     for (fontIndex = 0; fonts[fontIndex].familyName != NULL; fontIndex++) {
00068         if ((strcmp(fonts[fontIndex].familyName, familyName) == 0) &&
00069             (fonts[fontIndex].pointSize == pointSize)) {
00070             /* found it! */
00071             return (&fonts[fontIndex]);
00072         }
00073     }
00074 
00075     return (NULL);
00076 }