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DisplayDefs.h
00001 #ifndef DISPLAYDEFS_H 00002 #define DISPLAYDEFS_H 00003 00004 #define RGB(r,g,b) ( ((r<<8)&0xF800) | ((g<<3)&0x07E0) | (b>>3) ) 00005 00006 00007 /// Return values from functions. Use this number, or use the 00008 /// lookup function to get a text string. @see GetErrorMessage. 00009 /// 00010 typedef enum 00011 { 00012 noerror, ///< no errors, command completed successfully 00013 bad_parameter, ///< one or more parameters are invalid 00014 file_not_found, ///< specified file could not be found 00015 not_bmp_format, ///< file is not a .bmp file 00016 not_ico_format, ///< file is not a .ico file 00017 not_supported_format, ///< file format is not yet supported (e.g. bits per pixel, compression) 00018 image_too_big, ///< image is too large for the screen 00019 not_enough_ram, ///< could not allocate ram for scanline 00020 touch_cal_timeout, ///< timeout while trying to calibrate touchscreen, perhaps it is not installed. 00021 external_abort, ///< an external process caused an abort 00022 LastErrCode, // Private marker. 00023 } RetCode_t; 00024 00025 /// return values from TouchPanelReadable, TouchPanelA2DRaw, TouchPanelA2DFiltered. 00026 /// @see TouchPanelReadable. 00027 typedef enum 00028 { 00029 no_touch, ///< no touch is detected 00030 touch, ///< touch is detected 00031 held, ///< held after touch 00032 release, ///< release is detected 00033 no_cal, ///< no calibration matrix is available 00034 } TouchCode_t; 00035 00036 /// Data type that manages locations, which is typically an x or y pixel location, 00037 /// which can range from -N to +N (even if the screen is 0 to +n). @see textloc_t. 00038 typedef int16_t loc_t; 00039 00040 /// Data type that manages text locations, which are row or column values in 00041 /// units of character, not pixel. @see loc_t. 00042 typedef uint16_t textloc_t; 00043 00044 /// type that manages dimensions of width or height, which range from 0 to N. 00045 typedef uint16_t dim_t; 00046 00047 /// type that manages x,y pairs 00048 typedef struct 00049 { 00050 loc_t x; ///< x value in the point 00051 loc_t y; ///< y value in the point 00052 } point_t; 00053 00054 /// Data type that manages rectangles, which are pairs of points. It is recommended 00055 /// that p1 contains the top-left point and p2 contains the bottom-right point, 00056 /// even though eventually this should not matter. 00057 typedef struct 00058 { 00059 point_t p1; ///< p1 defines one point on the rectangle 00060 point_t p2; ///< p2 defines the opposite point on the rectangle 00061 } rect_t; 00062 00063 /// Data type that manages the calibration matrix for the resistive touch panel. 00064 /// 00065 /// This object, when instantiated, may be passed back and forth, stored 00066 /// and loaded, but the internals are generally of little interest. 00067 typedef struct 00068 { 00069 int32_t An; ///< calibration factor, see source for details 00070 int32_t Bn; ///< calibration factor, see source for details 00071 int32_t Cn; ///< calibration factor, see source for details 00072 int32_t Dn; ///< calibration factor, see source for details 00073 int32_t En; ///< calibration factor, see source for details 00074 int32_t Fn; ///< calibration factor, see source for details 00075 int32_t Divider; ///< calibration factor, see source for details 00076 } tpMatrix_t; 00077 00078 /// color type definition to let the compiler help keep us honest. 00079 /// 00080 /// colors can be defined with the RGB(r,g,b) macro, and there 00081 /// are a number of predefined colors: 00082 /// - Black, Blue, Green, Cyan, 00083 /// - Red, Magenta, Brown, Gray, 00084 /// - Charcoal, BrightBlue, BrightGreen, BrightCyan, 00085 /// - Orange, Pink, Yellow, White 00086 /// 00087 typedef uint16_t color_t; 00088 00089 /// background fill info for drawing Text, Rectangles, RoundedRectanges, Circles, Ellipses and Triangles. 00090 typedef enum 00091 { 00092 NOFILL, ///< do not fill the object with the background color 00093 FILL ///< fill the object space with the background color 00094 } fill_t; 00095 00096 #endif // DISPLAYDEFS_H
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