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/*********************************************************************
* Portions COPYRIGHT 2016 STMicroelectronics *
* Portions SEGGER Microcontroller GmbH & Co. KG *
* Solutions for real time microcontroller applications *
**********************************************************************
* *
* (c) 1996 - 2015 SEGGER Microcontroller GmbH & Co. KG *
* *
* Internet: www.segger.com Support: support@segger.com *
* *
**********************************************************************
** emWin V5.28 - Graphical user interface for embedded applications **
All Intellectual Property rights in the Software belongs to SEGGER.
emWin is protected by international copyright laws. Knowledge of the
source code may not be used to write a similar product. This file may
only be used in accordance with the following terms:
The software has been licensed to STMicroelectronics International
N.V. a Dutch company with a Swiss branch and its headquarters in Plan-
les-Ouates, Geneva, 39 Chemin du Champ des Filles, Switzerland for the
purposes of creating libraries for ARM Cortex-M-based 32-bit microcon_
troller products commercialized by Licensee only, sublicensed and dis_
tributed under the terms and conditions of the End User License Agree_
ment supplied by STMicroelectronics International N.V.
Full source code is available at: www.segger.com
We appreciate your understanding and fairness.
----------------------------------------------------------------------
File : GUIDEMO_Speed.c
Purpose : Speed demo
----------------------------------------------------------------------
*/
/**
******************************************************************************
* @file GUIDEMO_Speed.c
* @author MCD Application Team
* @brief Speed demo
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
#include <stdlib.h> /* for rand */
#include "GUIDEMO.h"
#if (SHOW_GUIDEMO_SPEED)
/*********************************************************************
*
* Static data
*
**********************************************************************
*/
static const GUI_COLOR _aColor[8] = {
0x000000,
0x0000FF,
0x00FF00,
0x00FFFF,
0xFF0000,
0xFF00FF,
0xFFFF00,
0xFFFFFF
};
/*********************************************************************
*
* Static code
*
**********************************************************************
*/
/*********************************************************************
*
* _GetPixelsPerSecond
*/
static U32 _GetPixelsPerSecond(void) {
GUI_COLOR Color, BkColor;
U32 x0, y0, x1, y1, xSize, ySize;
I32 t, t0;
U32 Cnt, PixelsPerSecond, PixelCnt;
//
// Find an area which is not obstructed by any windows
//
xSize = LCD_GetXSize();
ySize = LCD_GetYSize();
Cnt = 0;
x0 = 0;
x1 = xSize - 1;
y0 = 65;
y1 = ySize - 60 - 1;
Color = GUI_GetColor();
BkColor = GUI_GetBkColor();
GUI_SetColor(BkColor);
//
// Repeat fill as often as possible in 100 ms
//
t0 = GUIDEMO_GetTime();
do {
GUI_FillRect(x0, y0, x1, y1);
Cnt++;
t = GUIDEMO_GetTime();
} while ((t - (t0 + 100)) <= 0);
//
// Compute result
//
t -= t0;
PixelCnt = (x1 - x0 + 1) * (y1 - y0 + 1) * Cnt;
PixelsPerSecond = PixelCnt / t * 1000;
GUI_SetColor(Color);
return PixelsPerSecond;
}
/*********************************************************************
*
* Public code
*
**********************************************************************
*/
/*********************************************************************
*
* GUIDEMO_Speed
*/
void GUIDEMO_Speed(void) {
int TimeStart, i;
U32 PixelsPerSecond;
unsigned aColorIndex[8];
int xSize, ySize, vySize;
GUI_RECT Rect, ClipRect;
char cText[40] = { 0 };
xSize = LCD_GetXSize();
ySize = LCD_GetYSize();
vySize = LCD_GetVYSize();
#if GUI_SUPPORT_CURSOR
GUI_CURSOR_Hide();
#endif
if (vySize > ySize) {
ClipRect.x0 = 0;
ClipRect.y0 = 0;
ClipRect.x1 = xSize;
ClipRect.y1 = ySize;
GUI_SetClipRect(&ClipRect);
}
GUIDEMO_ShowIntro("High speed",
"Multi layer clipping\n"
"Highly optimized drivers");
for (i = 0; i< 8; i++) {
aColorIndex[i] = GUI_Color2Index(_aColor[i]);
}
TimeStart = GUIDEMO_GetTime();
for (i = 0; ((GUIDEMO_GetTime() - TimeStart) < 5000) && (GUIDEMO_CheckCancel() == 0); i++) {
GUI_SetColorIndex(aColorIndex[i&7]);
//
// Calculate random positions
//
Rect.x0 = rand() % xSize - xSize / 2;
Rect.y0 = rand() % ySize - ySize / 2;
Rect.x1 = Rect.x0 + 20 + rand() % xSize;
Rect.y1 = Rect.y0 + 20 + rand() % ySize;
GUI_FillRect(Rect.x0, Rect.y0, Rect.x1, Rect.y1);
//
// Clip rectangle to visible area and add the number of pixels (for speed computation)
//
if (Rect.x1 >= xSize) {
Rect.x1 = xSize - 1;
}
if (Rect.y1 >= ySize) {
Rect.y1 = ySize - 1;
}
if (Rect.x0 < 0 ) {
Rect.x0 = 0;
}
if (Rect.y1 < 0) {
Rect.y1 = 0;
}
GUI_Exec();
//
// Allow short breaks so we do not use all available CPU time ...
//
}
GUIDEMO_NotifyStartNext();
PixelsPerSecond = _GetPixelsPerSecond();
GUI_SetClipRect(NULL);
GUIDEMO_DrawBk(0);
GUI_SetColor(GUI_WHITE);
GUI_SetTextMode(GUI_TM_TRANS);
GUI_SetFont(&GUI_FontRounded22);
GUI_DrawBitmap(&bmSTLogo70x35, 5, 5);
GUIDEMO_AddStringToString(cText, "Pixels/sec: ");
GUIDEMO_AddIntToString(cText, PixelsPerSecond);
GUI_DispStringHCenterAt(cText, xSize >> 1, (ySize - GUI_GetFontSizeY()) >> 1);
GUIDEMO_Delay(4000);
#if GUI_SUPPORT_CURSOR
GUI_CURSOR_Show();
#endif
}
#else
void GUIDEMO_Speed(void) {}
#endif
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