1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
ChibiOS/GFX - Copyright (C) 2012, 2013
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS/GFX.
ChibiOS/GFX is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/GFX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ch.h"
#include "hal.h"
#include "gfx.h"
#define COLOR_SIZE 20
#define PEN_SIZE 20
#define OFFSET 3
#define COLOR_BOX(a) (ev.x >= a && ev.x <= a + COLOR_SIZE)
#define PEN_BOX(a) (ev.y >= a && ev.y <= a + COLOR_SIZE)
#define GET_COLOR(a) (COLOR_BOX(a * COLOR_SIZE + OFFSET))
#define GET_PEN(a) (PEN_BOX(a * 2 * PEN_SIZE + OFFSET))
#define DRAW_COLOR(a) (a * COLOR_SIZE + OFFSET)
#define DRAW_PEN(a) (a * 2 * PEN_SIZE + OFFSET)
#define DRAW_AREA(x, y) (x >= PEN_SIZE + OFFSET + 3 && x <= gdispGetWidth() && \
y >= COLOR_SIZE + OFFSET + 3 && y <= gdispGetHeight())
void drawScreen(void) {
char *msg = "ChibiOS/GFX";
font_t font1, font2;
font1 = gdispOpenFont("UI2 Double");
font2 = gdispOpenFont("LargeNumbers");
gdispClear(White);
gdispDrawString(gdispGetWidth()-gdispGetStringWidth(msg, font1)-3, 3, msg, font1, Black);
/* colors */
gdispFillArea(0 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Black); /* Black */
gdispFillArea(1 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Red); /* Red */
gdispFillArea(2 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Yellow); /* Yellow */
gdispFillArea(3 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Green); /* Green */
gdispFillArea(4 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Blue); /* Blue */
gdispDrawBox (5 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Black); /* White */
/* pens */
gdispDrawString(OFFSET * 2, DRAW_PEN(1), "1", font2, Black);
gdispDrawString(OFFSET * 2, DRAW_PEN(2), "2", font2, Black);
gdispDrawString(OFFSET * 2, DRAW_PEN(3), "3", font2, Black);
gdispDrawString(OFFSET * 2, DRAW_PEN(4), "4", font2, Black);
gdispDrawString(OFFSET * 2, DRAW_PEN(5), "5", font2, Black);
gdispCloseFont(font1);
gdispCloseFont(font2);
}
GEventMouse ev;
int main(void) {
color_t color = Black;
uint16_t pen = 0;
halInit();
chSysInit();
gdispInit();
ginputGetMouse(0);
gdispSetOrientation(GDISP_ROTATE_90);
drawScreen();
while (TRUE) {
ginputGetMouseStatus(0, &ev);
if (!(ev.current_buttons & GINPUT_MOUSE_BTN_LEFT))
continue;
/* inside color box ? */
if(ev.y >= OFFSET && ev.y <= COLOR_SIZE) {
if(GET_COLOR(0)) color = Black;
else if(GET_COLOR(1)) color = Red;
else if(GET_COLOR(2)) color = Yellow;
else if(GET_COLOR(3)) color = Green;
else if(GET_COLOR(4)) color = Blue;
else if(GET_COLOR(5)) color = White;
/* inside pen box ? */
} else if(ev.x >= OFFSET && ev.x <= PEN_SIZE) {
if(GET_PEN(1)) pen = 0;
else if(GET_PEN(2)) pen = 1;
else if(GET_PEN(3)) pen = 2;
else if(GET_PEN(4)) pen = 3;
else if(GET_PEN(5)) pen = 4;
/* inside drawing area ? */
} else if(DRAW_AREA(ev.x, ev.y)) {
if(pen == 0)
gdispDrawPixel(ev.x, ev.y, color);
else
gdispFillCircle(ev.x, ev.y, pen, color);
}
}
}
|
