Fixed alpha blending at 100%
[hackover2013-badge-firmware.git] / drivers / displays / tft / fonts.h
1 /**************************************************************************/
2 /*!
3 @file fonts.h
4 @author K. Townsend (microBuilder.eu)
5
6 @section LICENSE
7
8 Software License Agreement (BSD License)
9
10 Copyright (c) 2012, microBuilder SARL
11 All rights reserved.
12
13 Redistribution and use in source and binary forms, with or without
14 modification, are permitted provided that the following conditions are met:
15 1. Redistributions of source code must retain the above copyright
16 notice, this list of conditions and the following disclaimer.
17 2. Redistributions in binary form must reproduce the above copyright
18 notice, this list of conditions and the following disclaimer in the
19 documentation and/or other materials provided with the distribution.
20 3. Neither the name of the copyright holders nor the
21 names of its contributors may be used to endorse or promote products
22 derived from this software without specific prior written permission.
23
24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
25 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
28 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35 /**************************************************************************/
36 #ifndef __FONTS_H__
37 #define __FONTS_H__
38
39 #include "projectconfig.h"
40
41 /**************************************************************************/
42 /*!
43 @brief Describes a single character's display information
44 */
45 /**************************************************************************/
46 typedef struct
47 {
48 const uint8_t widthBits; // width, in bits (or pixels), of the character
49 const uint16_t offset; // offset of the character's bitmap, in bytes, into the the FONT_INFO's data array
50 } FONT_CHAR_INFO;
51
52 /**************************************************************************/
53 /*!
54 @brief Describes a single font
55 */
56 /**************************************************************************/
57 typedef struct
58 {
59 const uint8_t height; // height of the font's characters
60 const uint8_t startChar; // the first character in the font (e.g. in charInfo and data)
61 const uint8_t endChar; // the last character in the font (e.g. in charInfo and data)
62 const FONT_CHAR_INFO* charInfo; // pointer to array of char information
63 const uint8_t* data; // pointer to generated array of character visual representation
64 } FONT_INFO;
65
66 void fontsDrawString ( uint16_t x, uint16_t y, uint16_t color, const FONT_INFO *fontInfo, char *str );
67 uint16_t fontsGetStringWidth ( const FONT_INFO *fontInfo, char *str );
68
69 #endif
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