/*******************************************************************
*
* _DrawPolygon
Draws polygons of different shapes and colors
*/
static void _DrawPolygon(void) {
int y = 90;
/* clear display */
GUI_SetBkColor(GUI_BLACK);
GUI_Clear();
/* display text */
GUI_SetColor(GUI_WHITE);
GUI_SetFont(&GUI_Font24_ASCII);
GUI_SetTextAlign(GUI_TA_HCENTER);
GUI_DispStringAt("DrawPolygon - Sample", 160, 5);
GUI_SetFont(&GUI_Font8x16);
GUI_DispStringAt("using", 5, 40);
GUI_DispStringAt("GUI_FillPolygon", 5, 55);
GUI_SetTextAlign(GUI_TA_HCENTER);
GUI_DispStringAt("Polygons of arbitrary shape\nin any color", 160, y + 90);
GUI_Delay(500);
/* draw filled polygons */
while (1) {
GUI_ClearRect(100, y, 220, y + 85);
GUI_SetColor(GUI_BLUE);
GUI_FillPolygon (&_aPointArrow[0], 7, 160, y + 80);
GUI_Delay(1000);
GUI_ClearRect(100, y, 220, y + 85);
GUI_SetColor(GUI_RED);
GUI_FillPolygon (&_aPointStar[0], 8, 160, y + 45);
GUI_Delay(1000);
GUI_ClearRect(100, y, 220, y + 85);
GUI_SetColor(GUI_GREEN);
GUI_FillPolygon(&_aPointHexagon[0], 6, 160, y + 45);
GUI_Delay(1000);
}
}
static void DrawPrevious(int x, int y, int size)
{
GUI_POINT pPoint[3];
pPoint[0].x = (size/2);
pPoint[0].y = 0;
pPoint[1].x = (size/2);
pPoint[1].y = size;
pPoint[2].x = 0;
pPoint[2].y = size / 2;
GUI_FillPolygon(pPoint, 3, x, y);
GUI_FillPolygon(pPoint, 3, x + size/2, y);
}
void GUIDEMO_DemoPolygon(void) {
int XMid = LCD_GetXSize() / 2;
int YMid = LCD_GetYSize() / 2;
GUIDEMO_ShowIntro("Arbitrary Polygons",
"\nStandard and antialiased");
GUI_SetColor(GUI_WHITE);
GUI_SetFont(&GUI_FontComic18B_ASCII);
#if GUIDEMO_LARGE
GUI_DispStringAt("Arbitrary\nPolygons", 0, 0);
#endif
GUI_FillPolygon(&_aArrow[0], 7, XMid - 50, YMid + 40);
GUI_FillPolygon(&_aArrow[0], 7, XMid + 50, YMid + 40);
GUI_SetColor(GUI_GREEN);
GUI_FillPolygon(&_aTriangle[0], 3, XMid, YMid + 60);
GUI_SetColor(GUI_WHITE);
#if GUI_SUPPORT_AA
GUI_AA_EnableHiRes();
GUI_AA_FillPolygon(&_aiCursor[0], 4, XMid * 3, (YMid - 40) * 3);
#endif
GUIDEMO_Wait();
}
static void DrawPlay(int x, int y, int size)
{
GUI_POINT pPoint[3];
pPoint[0].x = 0;
pPoint[0].y = 0;
pPoint[1].x = size;
pPoint[1].y = size / 2;
pPoint[2].x = 0;
pPoint[2].y = size;
GUI_FillPolygon(pPoint, 3, x, y);
}
/*******************************************************************
*
* _cbWindow
This is the callback for the window. A callback was used
for memory devices.
*/
static void _cbWindow(WM_MESSAGE* pMsg) {
switch (pMsg->MsgId) {
case WM_PAINT:
GUI_SetBkColor(_color_a);
GUI_ClearRect( 0, 0, 250, 14);
GUI_SetBkColor(_color_b);
GUI_ClearRect( 0, 15, 250, 29);
GUI_SetBkColor(GUI_BLACK);
GUI_ClearRect( 0, 30, 250, 60);
GUI_SetColor(_color_c);
GUI_FillPolygon(_aPolygon, POLY_POINTS, _pos_x1, _pos_y1);
GUI_AA_FillPolygon(_aPolygon, POLY_POINTS, _pos_x2, _pos_y2);
GUI_AA_EnableHiRes();
GUI_AA_FillPolygon(_aPolygonHiRes, POLY_POINTS, _pos_x3, _pos_y3);
GUI_AA_DisableHiRes();
break;
default:
WM_DefaultProc(pMsg);
}
}
/*******************************************************************
*
* _DrawIt
*/
static void _DrawIt(void * pData) {
tDrawItContext * pDrawItContext = (tDrawItContext *)pData;
GUI_Clear();
GUI_SetFont(&GUI_Font8x8);
GUI_SetTextMode(GUI_TM_TRANS);
/* draw background */
GUI_SetColor(GUI_GREEN);
GUI_FillRect(pDrawItContext->XPos_Text,
pDrawItContext->YPos_Text - 25,
pDrawItContext->XPos_Text + 100,
pDrawItContext->YPos_Text - 5);
/* draw polygon */
GUI_SetColor(GUI_BLUE);
GUI_FillPolygon(pDrawItContext->aPointsDest, SIZE_OF_ARRAY(aPoints), 160, 120);
/* draw foreground */
GUI_SetColor(GUI_RED);
GUI_FillRect(220 - pDrawItContext->XPos_Text,
pDrawItContext->YPos_Text + 5,
220 - pDrawItContext->XPos_Text + 100,
pDrawItContext->YPos_Text + 25);
}