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 }