📄 image.c
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/*===========================================================================
FILE: image.c
===========================================================================*/
/*===============================================================================
INCLUDES AND VARIABLE DEFINITIONS
=============================================================================== */
#include "AEEModGen.h" // Module interface definitions
#include "AEEAppGen.h" // Applet interface definitions
#include "AEEShell.h" // Shell interface definitions
#include "AEEImage.h"
#include "AEE.h"
#include "image.bid"
#include "AEEDisp.h"
#include "image_res.h"
#include "AEEStdlib.h"
//定义采样频率，隔sample取一
//the explanation of the sampleX and sampleY
//sampleX and sampleY are integer number, 100 stand for 1:1 ; 50 stand for 1:0.5 ;300 stand for 1:3
typedef struct _IMAGE
{
AEEApplet a;
IBitmap * m_pBitmap; //原位图指针
IBitmap * m_pBitmap_OBJ;//目标位图指针
IBitmap * m_pBitmap_OBJ_OBJ;//第二个目标位图
IBitmap * pbmScreen;//屏幕显示指针
//int16 x;
//int16 y;
//AEEBitmapInfo pinfo;
NativeColor pColor; //象素点的颜色
uint16 i;//循环变量，要足够大，即65536>原位图文件的长和宽
uint16 j;
uint32 timer1;//用来记录loadbitmap的时间
uint32 timer2;//用来记录显示源位图的时间
// uint32 timer3;//用来记录缩放并显示的时间
AECHAR timer_char1[32];
AECHAR timer_char2[32];
// AECHAR timer_char3[32]={0};
AEEBitmapInfo bi;
// uint16 new_x;
// uint16 new_y;
} MyImage;
/*-------------------------------------------------------------------
Function Prototypes
-------------------------------------------------------------------*/
static boolean image_HandleEvent(IApplet * pi, AEEEvent eCode,
uint16 wParam, uint32 dwParam);
static int Bitmap_LoadResources(MyImage *pMe);
static int Bitmap_sampling(MyImage *pMe,uint16 sampleX, uint16 sampleY);
/*===============================================================================
FUNCTION DEFINITIONS
=============================================================================== */
/*===========================================================================
FUNCTION: AEEClsCreateInstance
DESCRIPTION
This function is invoked while the app is being loaded. All Modules must provide this
function. Ensure to retain the same name and parameters for this function.
In here, the module must verify the ClassID and then invoke the AEEApplet_New() function
that has been provided in AEEAppGen.c.
After invoking AEEApplet_New(), this function can do app specific initialization. In this
example, a generic structure is provided so that app developers need not change app specific
initialization section every time except for a call to IDisplay_InitAppData().
This is done as follows: InitAppData() is called to initialize AppletData
instance. It is app developers responsibility to fill-in app data initialization
code of InitAppData(). App developer is also responsible to release memory
allocated for data contained in AppletData -- this can be done in
IDisplay_FreeAppData().
PROTOTYPE:
int AEEClsCreateInstance(AEECLSID ClsId,IShell * pIShell,IModule * po,void ** ppObj)
PARAMETERS:
clsID: [in]: Specifies the ClassID of the applet which is being loaded
pIShell: [in]: Contains pointer to the IShell object.
pIModule: pin]: Contains pointer to the IModule object to the current module to which
this app belongs
ppObj: [out]: On return, *ppObj must point to a valid IApplet structure. Allocation
of memory for this structure and initializing the base data members is done by AEEApplet_New().
DEPENDENCIES
none
RETURN VALUE
AEE_SUCCESS: If the app needs to be loaded and if AEEApplet_New() invocation was
successful
EFAILED: If the app does not need to be loaded or if errors occurred in
AEEApplet_New(). If this function returns FALSE, the app will not be loaded.
SIDE EFFECTS
none
===========================================================================*/
int AEEClsCreateInstance(AEECLSID ClsId,IShell * pIShell,IModule * po,void ** ppObj)
{
*ppObj = NULL;
if(ClsId == AEECLSID_IMAGE){
if(AEEApplet_New(sizeof(MyImage), ClsId, pIShell,po,(IApplet**)ppObj,
(AEEHANDLER)image_HandleEvent,NULL)
== TRUE)
{
// Add your code here .....
return (AEE_SUCCESS);
}
}
return (EFAILED);
}
/*===========================================================================
FUNCTION image_HandleEvent
DESCRIPTION
This is the EventHandler for this app. All events to this app are handled in this
function. All APPs must supply an Event Handler.
PROTOTYPE:
boolean image_HandleEvent(IApplet * pi, AEEEvent eCode, uint16 wParam, uint32 dwParam)
PARAMETERS:
pi: Pointer to the AEEApplet structure. This structure contains information specific
to this applet. It was initialized during the AEEClsCreateInstance() function.
ecode: Specifies the Event sent to this applet
wParam, dwParam: Event specific data.
DEPENDENCIES
none
RETURN VALUE
TRUE: If the app has processed the event
FALSE: If the app did not process the event
SIDE EFFECTS
none
===========================================================================*/
static boolean image_HandleEvent(IApplet * pi, AEEEvent eCode, uint16 wParam, uint32 dwParam)
{
MyImage *pMe = (MyImage *)pi;
int i;
// uint32 time;
// AECHAR fmt[]={'%','d',0};
// AECHAR score_name[32]={0};
switch (eCode)
{
case EVT_APP_START:
// pMe->timer_char1[32]=0;
// pMe->timer_char2[32]={0};
for(i=0;i<32;i++)
{
pMe->timer_char1[i]=0;
pMe->timer_char2[i]=0;
}
IDISPLAY_Update(pMe->a.m_pIDisplay);
return(TRUE);
case EVT_APP_STOP:
//Free the memory
if (pMe->m_pBitmap) {
IBITMAP_Release(pMe->m_pBitmap);
pMe->m_pBitmap=NULL;
}
if (pMe->m_pBitmap_OBJ) {
IBITMAP_Release(pMe->m_pBitmap_OBJ);
pMe->m_pBitmap_OBJ=NULL;
}
if (pMe->m_pBitmap_OBJ_OBJ) {
IBITMAP_Release(pMe->m_pBitmap_OBJ_OBJ);
pMe->m_pBitmap_OBJ_OBJ=NULL;
}
if (pMe->pbmScreen) {
IBITMAP_Release(pMe->pbmScreen);
pMe->pbmScreen=NULL;
}
return TRUE;
case EVT_KEY:
switch(wParam) {
case AVK_1 :
//取样函数
//sampling(pMe,pMe->m_pBitmap,pMe->m_pBitmap_OBJ,sampleX,sampleY);
//////////////////////////////////////////////////////////////////////////
Bitmap_LoadResources(pMe);
// Bitmap_sampling(pMe,50,50);
IDISPLAY_Update(pMe->a.m_pIDisplay);
return TRUE;
//按下2，以另外的一个比例缩放
case AVK_2 :
Bitmap_sampling(pMe,50,50);
IDISPLAY_Update(pMe->a.m_pIDisplay);
return TRUE;
case AVK_3:
//time=ISHELL_GetTimeMS(pMe->a.m_pIShell);
//WSPRINTF(score_name,32,fmt,time);
IDISPLAY_DrawText(pMe->a.m_pIDisplay,AEE_FONT_NORMAL,pMe->timer_char1,-1,20,20,NULL,NULL);
IDISPLAY_DrawText(pMe->a.m_pIDisplay,AEE_FONT_NORMAL,pMe->timer_char2,-1,20,50,NULL,NULL);
IDISPLAY_Update(pMe->a.m_pIDisplay);
default:
break;
}
break;
default:
break;
}
return FALSE;
}
/*===========================================================================
FUNCTION Bitmap_LoadResources
===========================================================================*/
#define CHECK_ERROR(e) nErr = (e); \
if (SUCCESS != nErr) { \
goto Error; \
}
#define CHECK_NULL(e) if (NULL == (e)) { \
nErr = EFAILED; \
goto Error; \
}
//////////////////////////////////////////////////////////////////////////
//FUNCTION BITMAP_LOADRESOURCES
//////////////////////////////////////////////////////////////////////////
static int Bitmap_LoadResources(MyImage *pMe)//, uint16 sampleX, uint16 sampleY)
{
IBitmap *pbmDib = NULL;
IBitmap *pbmDdb = NULL;
// AEEBitmapInfo bi;
int nErr;
//显示时间
uint32 time1;
uint32 time2;
AECHAR fmt[]={'%','d',0};
// AECHAR score_name[32]={0};
time1=ISHELL_GetTimeMS(pMe->a.m_pIShell);
// CHECK_ERROR(ISHELL_CreateInstance(pMe->a.m_pIShell, AEECLSID_IMAGE, (void**)&pMe->pISprite));
CHECK_NULL(pMe->pbmScreen = IDISPLAY_GetDestination(pMe->a.m_pIDisplay));
// load the res by the name of the file
// CHECK_NULL(pbmDib = ISHELL_LoadBitmap(pMe->a.m_pIShell, "lina.bmp")); //.bmpstage
// load the res by the ID of the Resource
CHECK_NULL(pbmDib=ISHELL_LoadResBitmap(pMe->a.m_pIShell,IMAGE_RES_FILE,IM_LINA));
CHECK_ERROR(IBITMAP_GetInfo(pbmDib, &pMe->bi, sizeof(pMe->bi)));
CHECK_ERROR(IBITMAP_CreateCompatibleBitmap(pMe->pbmScreen, &pMe->m_pBitmap, (uint16)pMe->bi.cx, (uint16)pMe->bi.cy));
CHECK_ERROR(IBITMAP_BltIn(pMe->m_pBitmap, 0, 0, (uint16)pMe->bi.cx, (uint16)pMe->bi.cy, pbmDib, 0, 0, AEE_RO_COPY));
//to display the original bitmap::pMe->m_pBitmap
IDISPLAY_BitBlt(pMe->a.m_pIDisplay,0,0,(uint16)(pMe->bi.cx),(uint16)(pMe->bi.cy),pMe->m_pBitmap,0,0,AEE_RO_COPY);
//计算timer1的值,并保存在数组中
time2=ISHELL_GetTimeMS(pMe->a.m_pIShell);
pMe->timer1 = time2 - time1;
WSPRINTF(pMe->timer_char1,32,fmt,pMe->timer1);//pMe->timer1);
//////////////////////////////////////////////////////////////////////////
IBITMAP_Release(pbmDib);
pbmDib = NULL;
Error:
if (pbmDib) {
IBITMAP_Release(pbmDib);
}
if (pbmDdb) {
IBITMAP_Release(pbmDdb);
}
return nErr;
}
//////////////////////////////////////////////////////////////////////////
//FUNCTION SAMPLING
//////////////////////////////////////////////////////////////////////////
static int Bitmap_sampling(MyImage * pMe,uint16 sampleX, uint16 sampleY)
{
uint16 new_x;
uint16 new_y;
int nErr;
uint32 time1;
uint32 time2;
AECHAR fmt[]={'%','d',0};
new_x=0;
new_y=0;
//记录起始时间
time1=ISHELL_GetTimeMS(pMe->a.m_pIShell);
//创建目标位图的兼容位图pMe->m_pBitmap_OBJ，对X轴按照要求变换，而Y坐标不变
CHECK_ERROR(IBITMAP_CreateCompatibleBitmap(pMe->pbmScreen, &pMe->m_pBitmap_OBJ, (uint16)((uint16)(pMe->bi.cx)*sampleX/100), (uint16)((uint16)pMe->bi.cy)));
//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
//对X轴按照要求变换
for(pMe->j=0;pMe->j<=(uint16)pMe->bi.cy;pMe->j++)//Y轴不变
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