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/**
******************************************************************************
* @file memory_device_app.c
* @author MCD Application Team
* @brief This file provides main GUI application program functions
******************************************************************************
* @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.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "GUI.h"
/* Bitmap resources */
#include "garage.c"
#include "Wheel2.c"
#include "Wheel3.c"
#include "Wheel4.c"
#include "Wheel5.c"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define MAG 300
#define TITLE_SIZE 40
#define MIN_TIME_PER_FRAME_SHIFT 10
#define MIN_TIME_PER_FRAME_ENLARGE 10
#define BORDER_SIZE 4
#define FINAL_STEP 10
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
typedef struct {
const GUI_BITMAP GUI_UNI_PTR * pBitmap;
GUI_MEMDEV_Handle hMem;
int xSize;
int ySize;
} IMAGE;
/* Table of pictures to be used */
static IMAGE _aImage[] = {
{ &bmWheel4 },
{ &bmWheel3 },
{ &bmWheel2 },
{ &bmWheel5 }
};
/* Calculate the number of images used */
static int _NumImages = sizeof(_aImage) / sizeof(_aImage[0]);
/* Private function prototypes -----------------------------------------------*/
/**
* @brief Create the pictures memdev and draw them inside
* @param pImage: pointer to the pictures structure
* @retval int
*/
static int _GetImage(IMAGE * pImage)
{
/* Get the picture sizes */
pImage->xSize = pImage->pBitmap->XSize;
pImage->ySize = pImage->pBitmap->YSize;
/* Allocate the needed memdev pictures */
pImage->hMem = GUI_MEMDEV_CreateFixed(0, 0, pImage->xSize, pImage->ySize, GUI_MEMDEV_NOTRANS, GUI_MEMDEV_APILIST_32, GUICC_M8888I);
/* Exit if any issue occurred on the memdev creation */
if (pImage->hMem == 0)
{
return 1;
}
/* Select the memdev created and paint the picturte on it */
GUI_MEMDEV_Select(pImage->hMem);
GUI_SetBkColor(GUI_TRANSPARENT);
GUI_Clear();
GUI_DrawBitmap(pImage->pBitmap, 0, 0);
/* Select the display after finishing the job */
GUI_MEMDEV_Select(0);
return 0;
}
/**
* @brief Create the needed memdevs and do the automated rotate & zoom of the pictures
* @param None
* @retval int
*/
static int _RotateAndZoomImage(void)
{
static GUI_MEMDEV_Handle hDst = 0;
static GUI_MEMDEV_Handle hLCD = 0;
static int Index = 0;
IMAGE *pImage;
int TimeContinue;
int TimeNow;
int xSize;
int ySize;
int Mag;
int a;
int i;
/* Declaration of a function pointer for the rotate function */
void (*pfRotate)(GUI_MEMDEV_Handle hSrc, GUI_MEMDEV_Handle hDst, int dx, int dy, int a, int Mag);
/* Assign the function pointer: use the rotation High Quality memdev rotation */
pfRotate = GUI_MEMDEV_Rotate;
pImage = &_aImage[Index];
/* Get the respective width and height of the screen */
xSize = LCD_GetXSize();
ySize = LCD_GetYSize();
/* Clean up LCD context, draw a given background */
GUI_DrawBitmap(&bmgarage, 0, 0);
/* Create the LCD memory devices if not existent */
if (hLCD == 0)
{
hLCD = GUI_MEMDEV_CreateFixed(0, 0, xSize, ySize, GUI_MEMDEV_NOTRANS, GUI_MEMDEV_APILIST_32, GUICC_M8888I);
/* Exit if any issue when creating the memdev */
if (hLCD == 0)
{
return 1;
}
/* Initialise the memdev with what's displayed */
GUI_MEMDEV_CopyFromLCD(hLCD);
}
/* Create the Destination memory devices if not existent */
if (hDst == 0)
{
/* Exit if any issue when creating the memdev */
hDst = GUI_MEMDEV_CreateFixed(0, 0, xSize, ySize, GUI_MEMDEV_NOTRANS, GUI_MEMDEV_APILIST_32, GUICC_M8888I);
if (hDst == 0)
{
return 1;
}
}
/* Reserve a part to display the title of the application */
ySize -= TITLE_SIZE;
/* Rotate and enlarge while moving in */
for (i = 2; (i <= 100); i += 6)
{
TimeContinue = GUI_GetTime() + MIN_TIME_PER_FRAME_ENLARGE;
GUI_MEMDEV_Select(hDst);
GUI_MEMDEV_Write(hLCD);
pfRotate(pImage->hMem, hDst, (xSize - pImage->xSize) / 2 - (xSize * (100 - i)) / 300, TITLE_SIZE + (ySize - pImage->ySize) / 2, (i - 100) * 450, i * 10);
GUI_MEMDEV_Select(0);
/* Display the result on the screen */
GUI_MULTIBUF_Begin();
GUI_MEMDEV_CopyToLCD(hDst);
GUI_MULTIBUF_End();
/* Add some delay to achieve minimum timing */
TimeNow = GUI_GetTime();
if (TimeContinue > TimeNow)
{
GUI_Delay(TimeContinue - TimeNow);
}
else
{
GUI_Exec();
}
}
/* Rotate, enlarge and shrink on spot */
Mag = 1000;
for (a = 5; a <= 360; a += 30)
{
TimeContinue = GUI_GetTime() + MIN_TIME_PER_FRAME_ENLARGE;
/* Calculate magnification */
if (a <= 180)
{
Mag = (Mag * 1050) / 1000;
}
else
{
Mag = (Mag * 1000) / 1050;
}
/* Do animation: write the result every time to the LCD */
GUI_MEMDEV_Select(hDst);
GUI_MEMDEV_Write(hLCD);
pfRotate(pImage->hMem, hDst, (xSize - pImage->xSize) / 2, TITLE_SIZE + (ySize - pImage->ySize) / 2, a * 1000, 1000);
GUI_MEMDEV_Select(0);
/* Display the result on the screen */
GUI_MULTIBUF_Begin();
GUI_MEMDEV_CopyToLCD(hDst);
GUI_MULTIBUF_End();
/* Add some delay to achieve minimum timing */
TimeNow = GUI_GetTime();
if (TimeContinue > TimeNow)
{
GUI_Delay(TimeContinue - TimeNow);
}
else
{
GUI_Exec();
}
}
/* Clean up LCD context, Draw the Bkc again */
GUI_MEMDEV_Select(hLCD);
GUI_DrawBitmap(&bmgarage, 0, 0);
/* Rotate and enlarge while moving out */
for (i = 2; (i <= 100); i += 6)
{
TimeContinue = GUI_GetTime() + MIN_TIME_PER_FRAME_ENLARGE;
GUI_MEMDEV_Select(hDst);
GUI_MEMDEV_Write(hLCD);
pfRotate(pImage->hMem, hDst, (xSize - pImage->xSize) / 2 + (xSize * i) / 300, TITLE_SIZE + (ySize - pImage->ySize) / 2, i * 450, (100 - i) * 10);
GUI_MEMDEV_Select(0);
/* Display the result on the screen */
GUI_MULTIBUF_Begin();
GUI_MEMDEV_CopyToLCD(hDst);
GUI_MULTIBUF_End();
/* Add some delay to achieve minimum timing */
TimeNow = GUI_GetTime();
if (TimeContinue > TimeNow)
{
GUI_Delay(TimeContinue - TimeNow);
}
else
{
GUI_Exec();
}
}
/* Display the result on the screen */
GUI_MULTIBUF_Begin();
GUI_MEMDEV_CopyToLCD(hLCD);
GUI_MULTIBUF_End();
/* Go to the next picture */
Index = (Index + 1) % _NumImages;
/* Delete the MEMDEVS used */
GUI_MEMDEV_Delete(hLCD);
GUI_MEMDEV_Delete(hDst);
hDst = 0;
hLCD = 0;
return 0;
}
/**
* @brief Create the needed memdevs and do the automated rotate & shift of the pictures
* @param None
* @retval int
*/
static int _ShiftRotateAndZoomImage(void)
{
static GUI_MEMDEV_Handle hDstEnlarge = 0;
static GUI_MEMDEV_Handle hLCDEnlarge = 0;
static GUI_MEMDEV_Handle hDstShift = 0;
static GUI_MEMDEV_Handle hLCD = 0;
static int Index = 0;
IMAGE *pImage;
int TimeContinue;
int DispSpaceX;
int DispSpaceY;
int TimeNow;
int Index0;
int Index1;
int Index2;
int Index3;
int xSize;
int ySize;
int Step;
int Add;
int Mag;
int a;
int i;
/* Declaration of a function pointer for the rotate function */
void (*pfRotate)(GUI_MEMDEV_Handle hSrc, GUI_MEMDEV_Handle hDst, int dx, int dy, int a, int Mag);
/* Get the respective width and height of the screen */
xSize = LCD_GetXSize();
ySize = LCD_GetYSize() - TITLE_SIZE;
DispSpaceX = xSize / 3;
DispSpaceY = (ySize * 3) / 5;
/* Clean up LCD context, draw the Bkc */
GUI_DrawBitmap(&bmgarage, 0, 0);
/* Create LCD memory device if not existing */
if (hLCD == 0)
{
hLCD = GUI_MEMDEV_CreateFixed(0, TITLE_SIZE + ySize / 5, xSize, DispSpaceY, GUI_MEMDEV_NOTRANS, GUI_MEMDEV_APILIST_32, GUICC_M8888I);
/* Exit if any issue on the creation of the memdev */
if (hLCD == 0)
{
return 1;
}
/* Initialiose the memdev with what's on the screen */
GUI_MEMDEV_CopyFromLCD(hLCD);
}
/* Create destination memory device if not existing */
if (hDstShift == 0)
{
hDstShift = GUI_MEMDEV_CreateFixed(0, TITLE_SIZE + ySize / 5, xSize, DispSpaceY, GUI_MEMDEV_NOTRANS, GUI_MEMDEV_APILIST_32, GUICC_M8888I);
/* Exit if any issue on the creation of the memdev */
if (hDstShift == 0)
{
return 1;
}
}
/* Create the zoom destination memory device if not existing */
if (hDstEnlarge == 0)
{
hDstEnlarge = GUI_MEMDEV_CreateFixed(xSize / 6, TITLE_SIZE, (xSize * 2) / 3, ySize, GUI_MEMDEV_NOTRANS, GUI_MEMDEV_APILIST_32, GUICC_M8888I);
/* Exit if any issue on the creation of the memdev */
if (hDstEnlarge == 0)
{
return 1;
}
}
/* Create the zoom LCD memory device if not existing */
if (hLCDEnlarge == 0)
{
hLCDEnlarge = GUI_MEMDEV_CreateFixed(xSize / 6, TITLE_SIZE, (xSize * 2) / 3, ySize, GUI_MEMDEV_NOTRANS, GUI_MEMDEV_APILIST_32, GUICC_M8888I);
/* Exit if any issue on the creation of the memdev */
if (hLCDEnlarge == 0)
{
return 1;
}
}
/* Select the display screen */
GUI_MEMDEV_Select(0);
/* Get image indices */
Index0 = (Index + 0) % _NumImages;
Index1 = (Index + 1) % _NumImages;
Index2 = (Index + 2) % _NumImages;
Index3 = (Index + 3) % _NumImages;
/* Choose the rotation API to use: HQ rotation isn't used here */
pfRotate = GUI_MEMDEV_Rotate;
/* Perform shifting */
for (i = 1; i <= FINAL_STEP; i++)
{
TimeContinue = GUI_GetTime() + MIN_TIME_PER_FRAME_SHIFT;
Step = (DispSpaceX * i) / FINAL_STEP;
/* Calculate rotation */
a = (-Step * 360 * 1000) / DispSpaceX;
/* Do the animation */
GUI_MEMDEV_Select(hDstShift);
GUI_MEMDEV_Write(hLCD);
pImage = &_aImage[Index0];
pfRotate(pImage->hMem, hDstShift, ((xSize - pImage->xSize) / 2) - (DispSpaceX * 2) + Step, (DispSpaceY - pImage->ySize) / 2, a, MAG);
pImage = &_aImage[Index1];
pfRotate(pImage->hMem, hDstShift, ((xSize - pImage->xSize) / 2) - DispSpaceX + Step, (DispSpaceY - pImage->ySize) / 2, a, MAG);
pImage = &_aImage[Index2];
pfRotate(pImage->hMem, hDstShift, ((xSize - pImage->xSize) / 2) + Step, (DispSpaceY - pImage->ySize) / 2, a, MAG);
pImage = &_aImage[Index3];
pfRotate(pImage->hMem, hDstShift, ((xSize - pImage->xSize) / 2) + DispSpaceX + Step, (DispSpaceY - pImage->ySize) / 2, a, MAG);
/* Display the result */
GUI_MULTIBUF_Begin();
GUI_MEMDEV_CopyToLCD(hDstShift);
GUI_MULTIBUF_End();
/* Add some delay to achieve minimum timing */
TimeNow = GUI_GetTime();
if (TimeContinue > TimeNow)
{
GUI_Delay(TimeContinue - TimeNow);
}
else
{
GUI_Exec();
}
}
/* Enlarge & shrink */
pImage = &_aImage[Index1];
GUI_MEMDEV_CopyFromLCD(hLCDEnlarge);
GUI_MEMDEV_Select(hDstEnlarge);
Add = 1;
Mag = MAG;
i = 0;
do
{
TimeContinue = GUI_GetTime() + MIN_TIME_PER_FRAME_ENLARGE;
/* Use HQ or not */
if (i == 0)
{
pfRotate = GUI_MEMDEV_RotateHQ;
}
else
{
pfRotate = GUI_MEMDEV_Rotate;
}
/* Calculate magnification */
if (Add > 0)
{
Mag = (Mag * 1050) / 1000;
}
else
{
Mag = (Mag * 1000) / 1050;
}
if (Mag < MAG)
{
Mag = MAG;
}
/* Do the animation */
GUI_MEMDEV_Write(hLCDEnlarge);
pfRotate(pImage->hMem, hDstEnlarge, (((xSize * 2) / 3) - pImage->xSize) / 2, (ySize - pImage->ySize) / 2, 0, Mag);
/* Display the result */
GUI_MULTIBUF_Begin();
GUI_MEMDEV_CopyToLCD(hDstEnlarge);
GUI_MULTIBUF_End();
i += Add;
if (i == 20)
{
Add = -Add;
}
/* Add some delay to achieve minimum timing */
TimeNow = GUI_GetTime();
if (TimeContinue > TimeNow)
{
GUI_Delay(TimeContinue - TimeNow);
}
} while (i > 0);
/* Modify the pictures positions */
if (Index == 0)
{
Index = _NumImages - 1;
}
else
{
Index--;
}
/* Delete the MEMDEVS used */
GUI_MEMDEV_Delete(hLCD);
GUI_MEMDEV_Delete(hDstShift);
GUI_MEMDEV_Delete(hDstEnlarge);
GUI_MEMDEV_Delete(hLCDEnlarge);
hLCD = 0;
hDstShift = 0;
hDstEnlarge = 0;
hLCDEnlarge = 0;
return 0;
}
/**
* @brief Main application
* @param None
* @retval None
*/
void MainTask(void)
{
int xSize;
int ySize;
int i;
/* Get the screen size */
xSize = LCD_GetXSize();
ySize = LCD_GetYSize();
/* Get the used images and write them to their respective memdevs */
for (i = 0; i < _NumImages; i++)
{
if (_GetImage(&_aImage[i])) {
return;
}
}
/* Loop infinetly on the animations */
while (1)
{
/* Rotation & zoom animation */
if (_RotateAndZoomImage())
{
break;
}
/* Then the shift, rotate & zoom one */
if (_ShiftRotateAndZoomImage())
{
break;
}
}
/* In case of an error will be here */
GUI_SetBkColor(GUI_BLACK);
GUI_SetColor(GUI_WHITE);
GUI_Clear();
GUI_DispStringHCenterAt("Error occurred. Application stopped!", xSize / 2, ySize / 2);
/* Loop on the error message */
while (1)
{
GUI_Delay(100);
}
}
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