1 /*
2 颜色条
3 */
4 void ShowColorBar(void)
5 {
6 int x0 = 60, y0 = 40, yStep = 15, i;
7 int NumColors = LCD_GetDevCap(LCD_DEVCAP_NUMCOLORS);
8 int xsize = LCD_GetDevCap(LCD_DEVCAP_XSIZE) - x0;
9 GUI_SetFont(&GUI_Font13HB_1);
10 GUI_DispStringHCenterAt("μC/GUI-sample:Show color bars", 160, 0);
11 GUI_SetFont(&GUI_Font8x8);
12 GUI_SetColor(GUI_WHITE);
13 GUI_SetBkColor(GUI_BLACK);
14 #if(LCD_FIXEDPALETTE)
15 GUI_DispString("Fixed palette: ");
16 GUI_DispDecMin(LCD_FIXEDPALETTE);
17 #endif
18 GUI_DispStringAt("Red", 0, y0 + yStep);
19 GUI_DispStringAt("Green", 0, y0 + 3 * yStep);
20 GUI_DispStringAt("Blue", 0, y0 + 5 * yStep);
21 GUI_DispStringAt("Grey", 0, y0 + 6 * yStep);
22 GUI_DispStringAt("Yellow", 0, y0 + 8 * yStep);
23 GUI_DispStringAt("Cyan", 0, y0 + 10 * yStep);
24 GUI_DispStringAt("Magenta", 0, y0 + 12 * yStep);
25 for(i=0; i < xsize; i++)
26 {
27 U16 cs =(255 *(U32)i) / xsize;
28 U16 x = x0 + i;
29 /* 红色 */
30 GUI_SetColor(cs);
31 GUI_DrawVLine(x, y0, y0 +yStep - 1);
32 GUI_SetColor(0xff +(255 - cs) * 0x10100L);
33 GUI_DrawVLine(x, y0 +yStep, y0 + 2 * yStep - 1);
34 /* 绿色 */
35 GUI_SetColor(cs<<8);
36 GUI_DrawVLine(x, y0 + 2 * yStep, y0 + 3 * yStep - 1);
37 GUI_SetColor(0xff00 +(255 - cs) * 0x10001L);
38 GUI_DrawVLine(x, y0 + 3 * yStep, y0 + 4 * yStep - 1);
39 /* 蓝色 */
40 GUI_SetColor(cs * 0x10000L);
41 GUI_DrawVLine(x, y0 + 4 * yStep, y0 + 5 * yStep - 1);
42 GUI_SetColor(0xff0000 +(255 - cs) * 0x101L);
43 GUI_DrawVLine(x, y0 + 5 * yStep, y0 + 6 * yStep - 1);
44 /* 灰色 */
45 GUI_SetColor((U32)cs * 0x10101L);
46 GUI_DrawVLine(x, y0 + 6 * yStep, y0 + 7 * yStep - 1);
47 /* 黄色 */
48 GUI_SetColor(cs * 0x101);
49 GUI_DrawVLine(x, y0 + 7 * yStep, y0 + 8 * yStep - 1);
50 GUI_SetColor(0xffff +(255 - cs) * 0x10000L);
51 GUI_DrawVLine(x, y0 + 8 * yStep, y0 + 9 * yStep - 1);
52 /* 青色 */
53 GUI_SetColor(cs * 0x10100L);
54 GUI_DrawVLine(x, y0 + 9 * yStep, y0 + 10 * yStep - 1);
55 GUI_SetColor(0xffff00 +(255 - cs) * 0x1L);
56 GUI_DrawVLine(x, y0 + 10 * yStep, y0 + 11 * yStep - 1);
57 /* 洋红 */
58 GUI_SetColor(cs * 0x10001);
59 GUI_DrawVLine(x, y0 + 11 * yStep, y0 + 12 * yStep - 1);
60 GUI_SetColor(0xff00ff +(255 - cs) * 0x100L);
61 GUI_DrawVLine(x, y0 + 12 * yStep, y0 + 13 * yStep - 1);
62 }
63 }
