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1 | #include "libOLED/displayclass.H" |
1 | #include "libOLED/displayclass.H" |
2 | 2 | ||
3 | void |
- | |
4 | display_t::printString (font_t &font, char const *string, uint16_t length, |
3 | void display_t::printString(font_t &font, char const *string, uint16_t length, |
5 | colour_t colour) |
4 | colour_t colour) |
6 | { |
5 | { |
7 | setPixelMode(colour); |
6 | setPixelMode(colour); |
8 | uint16_t const xSpacing = font.width () + 1; |
7 | uint16_t const xSpacing = font.width() + 1; |
9 | for (uint16_t yt = 0; yt < font.height (); yt++) // iterate down scan lines |
8 | for (uint16_t yt = 0; yt < font.height(); yt++) // iterate down scan lines |
10 | { |
9 | { |
11 | uint16_t ys = m_cursor_y + yt; |
10 | uint16_t ys = m_cursor_y + yt; |
12 | for (uint16_t xt = 0; xt < length; xt++) |
11 | for (uint16_t xt = 0; xt < length; xt++) |
13 | { |
12 | { |
14 | unsigned char c = string[xt]; |
13 | unsigned char c = string[xt]; |
15 | uint16_t xs = xt * xSpacing + m_cursor_x; |
14 | uint16_t xs = xt * xSpacing + m_cursor_x; |
16 | for (uint16_t j = 0; j < font.spacing (); j++) |
15 | for (uint16_t j = 0; j < font.spacing(); j++) |
17 | { |
16 | { |
18 | drawPixel (j + xs, ys, font.getPixel (c, j, yt)); |
17 | drawPixel(j + xs, ys, font.getPixel(c, j, yt)); |
19 | } |
18 | } |
20 | } |
- | |
21 | } |
19 | } |
- | 20 | } |
|
22 | // move the cursor. |
21 | // move the cursor. |
23 | m_cursor_x += xSpacing * length; |
22 | m_cursor_x += xSpacing * length; |
24 | } |
23 | } |
25 | 24 | ||
26 | // scale is multiplied by 256 |
25 | // scale is multiplied by 256 |
27 | void |
- | |
28 | display_t::printScaledString (font_t &font, char const *string, |
26 | void display_t::printScaledString(font_t &font, char const *string, |
29 | uint16_t length, uint16_t scale, |
27 | uint16_t length, uint16_t scale, |
30 | colour_t colour) |
28 | colour_t colour) |
31 | { |
29 | { |
32 | uint16_t xt, yt, jt, curr_x=0; |
30 | uint16_t xt, yt, jt, curr_x = 0; |
33 | uint16_t curr_y = m_cursor_y; |
31 | uint16_t curr_y = m_cursor_y; |
34 | if (scale < 1) |
32 | if (scale < 1) |
35 | return; |
33 | return; |
36 | setPixelMode(colour); |
34 | setPixelMode(colour); |
37 | 35 | ||
38 | for (yt = 0; yt < font.height () * 256; yt += scale) // iterate down scan lines |
36 | for (yt = 0; yt < font.height() * 256; yt += scale) // iterate down scan lines |
39 | { |
37 | { |
40 | // iterate along the string |
38 | // iterate along the string |
41 | // local x plotting coordinate |
39 | // local x plotting coordinate |
42 | curr_x = m_cursor_x; |
40 | curr_x = m_cursor_x; |
43 | for (xt = 0; xt < length; xt++) |
41 | for (xt = 0; xt < length; xt++) |
44 | { |
42 | { |
45 | for (jt = 0; jt < (font.spacing ()) * 256; jt += scale) |
43 | for (jt = 0; jt < (font.spacing()) * 256; jt += scale) |
46 | { |
44 | { |
47 | unsigned char c = (string[xt]); |
45 | unsigned char c = (string[xt]); |
48 | drawPixel (curr_x, curr_y, font.getPixel (c, jt / 256, yt / 256)); |
46 | drawPixel(curr_x, curr_y, font.getPixel(c, jt / 256, yt / 256)); |
49 | curr_x++; |
47 | curr_x++; |
50 | } |
48 | } |
51 | } |
49 | } |
52 | curr_y++; |
50 | curr_y++; |
53 | } |
51 | } |
54 | if (curr_x > width ()) |
52 | if (curr_x > width()) |
55 | { |
53 | { |
56 | curr_x = 0; |
54 | curr_x = 0; |
57 | } |
55 | } |
58 | m_cursor_x = curr_x; |
56 | m_cursor_x = curr_x; |
59 | } |
57 | } |
60 | 58 | ||
61 | uint8_t |
59 | uint8_t |
62 | display_t::formatNum (char *buff, uint8_t siz, uint8_t digits, uint8_t dp_pos, int val) |
60 | display_t::formatNum(char *buff, uint8_t siz, uint8_t digits, uint8_t dp_pos, int val) |
63 | { |
61 | { |
64 | if(dp_pos != NO_DECIMAL) |
62 | if (dp_pos != NO_DECIMAL) |
65 | digits++; |
63 | digits++; |
66 | uint8_t pos = digits; |
64 | uint8_t pos = digits; |
67 | uint8_t dp_loc = pos - dp_pos; |
65 | uint8_t dp_loc = pos - dp_pos; |
68 | uint8_t sign = 0; |
66 | uint8_t sign = 0; |
69 | if (val < 0) |
67 | if (val < 0) |
70 | { |
68 | { |
71 | sign = 1; |
69 | sign = 1; |
72 | val = -val; |
70 | val = -val; |
73 | } |
71 | } |
74 | 72 | ||
75 | buff[pos] = 0; |
73 | buff[pos] = 0; |
76 | while (pos && pos < siz) |
74 | while (pos && pos < siz) |
- | 75 | { |
|
- | 76 | if (pos == dp_loc) |
|
77 | { |
77 | { |
78 | if (pos == dp_loc) |
- | |
79 | { |
- | |
80 | buff[--pos] = '.'; |
78 | buff[--pos] = '.'; |
81 | } |
- | |
82 | else |
- | |
83 | { |
- | |
84 | buff[--pos] = val % 10 + '0'; |
- | |
85 | val /= 10; |
- | |
86 | if (val == 0 && pos < dp_loc) |
- | |
87 | break; |
- | |
88 | } |
- | |
89 | } |
79 | } |
90 | if (sign) |
80 | else |
91 | { |
81 | { |
92 | buff[--pos] = '-'; |
82 | buff[--pos] = val % 10 + '0'; |
- | 83 | val /= 10; |
|
- | 84 | if (val == 0 && pos < dp_loc) |
|
- | 85 | break; |
|
93 | } |
86 | } |
- | 87 | } |
|
- | 88 | if (sign) |
|
- | 89 | { |
|
- | 90 | buff[--pos] = '-'; |
|
- | 91 | } |
|
94 | return digits; |
92 | return digits; |
95 | } |
93 | } |
96 | 94 | ||
97 | void |
- | |
98 | display_t::fontDigits (font_t &font, uint8_t digits, uint8_t dp_pos, int val, colour_t colour) |
95 | void display_t::fontDigits(font_t &font, uint8_t digits, uint8_t dp_pos, int val, colour_t colour) |
99 | { |
96 | { |
100 | char buff[10] = " "; |
97 | char buff[10] = " "; |
101 | uint8_t wid = formatNum (buff, sizeof(buff), digits, dp_pos, val); |
98 | uint8_t wid = formatNum(buff, sizeof(buff), digits, dp_pos, val); |
102 | printString (font, buff, wid, colour ); |
99 | printString(font, buff, wid, colour); |
103 | } |
100 | } |
104 | 101 | ||
105 | void |
- | |
106 | display_t::fontSigDigits (font_t &font,uint8_t x, uint8_t y, bool right_justify, uint8_t dp_pos, |
102 | int8_t display_t::fontSigDigits(font_t &font, uint8_t x, uint8_t y, bool right_justify, uint8_t dp_pos, |
107 | int val, colour_t colour) |
103 | int val, colour_t colour) |
108 | { |
104 | { |
109 | char digits; |
105 | char digits; |
- | 106 | uint8_t width; |
|
110 | char sign = 0; |
107 | char sign = 0; |
111 | int uval; |
108 | int uval; |
112 | if (val < 0) |
109 | if (val < 0) |
113 | { |
110 | { |
114 | uval = -val; |
111 | uval = -val; |
115 | sign = 1; // mark as negative |
112 | sign = 1; // mark as negative |
116 | } |
113 | } |
117 | else |
114 | else |
118 | { |
115 | { |
119 | uval = val; |
116 | uval = val; |
120 | } |
117 | } |
121 | if (uval < 10) // always one digit for a sign or space, one for a digit |
118 | if (uval < 10) // always one digit for a sign or space, one for a digit |
122 | { |
119 | { |
123 | digits = 1; |
120 | digits = 1; |
124 | } |
121 | } |
125 | if (uval >= 10 && uval < 100) |
122 | if (uval >= 10 && uval < 100) |
126 | { |
123 | { |
127 | digits = 2; |
124 | digits = 2; |
128 | } |
125 | } |
129 | if (uval >= 100 && uval < 1000) |
126 | if (uval >= 100 && uval < 1000) |
130 | { |
127 | { |
131 | digits = 3; |
128 | digits = 3; |
132 | } |
129 | } |
133 | if (uval >= 1000) |
130 | if (uval >= 1000) |
134 | { |
131 | { |
135 | digits = 4; |
132 | digits = 4; |
136 | } |
133 | } |
137 | // backup for the - sign if right justified |
134 | // backup for the - sign if right justified |
138 | if (right_justify) |
135 | if (right_justify) |
- | 136 | { |
|
- | 137 | if (dp_pos != NO_DECIMAL) |
|
139 | { |
138 | { |
140 | if (dp_pos < 10) |
- | |
141 | { |
- | |
142 | digits += 2; |
139 | digits += 2; |
143 | } |
- | |
144 | else |
- | |
145 | { |
- | |
146 | digits += 1; |
- | |
147 | } |
- | |
148 | x -= digits * font.spacing(); |
- | |
149 | } |
140 | } |
- | 141 | else |
|
- | 142 | { |
|
- | 143 | digits += 1; |
|
- | 144 | } |
|
- | 145 | width = digits; |
|
- | 146 | x -= digits * font.spacing(); |
|
- | 147 | } |
|
- | 148 | else |
|
- | 149 | { |
|
- | 150 | width = digits; |
|
- | 151 | if (dp_pos != NO_DECIMAL) |
|
- | 152 | ++width; |
|
- | 153 | if (sign) |
|
- | 154 | ++width; |
|
- | 155 | } |
|
150 | 156 | ||
151 | gotoxy (x, y); |
157 | gotoxy(x, y); |
152 | fontDigits (font, digits, dp_pos, val,colour); |
158 | fontDigits(font, digits, dp_pos, val, colour); |
- | 159 | // right justify always leaves space for sign |
|
- | 160 | return width; |
|
153 | } |
161 | } |
154 | - | ||
155 | - |