📄 high_api.c
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if(!mode)
{
if(Size.cx>DeWith && Size.cy>Dehigh)
{
Size.cx-=DeWith;
Size.cy-=Dehigh;
}
else return 0;
if(Size.cx<CapSize.cx||Size.cx<DisSize.cx) return 0xffff;
if((x==0xffff)&&(y==0xffff))
{
V558_IppGetSizerStartp(&StartPoint);
StartPoint.x+=(DeWith/2);
StartPoint.y+=(Dehigh/2);
}
}
else
{
Size.cx+=DeWith;
Size.cy+=Dehigh;
if(Size.cx>g_Preview_Para.Source_W) return 0xffff;
if((x==0xffff)&&(y==0xffff))
{
V558_IppGetSizerStartp(&StartPoint);
StartPoint.x-=(DeWith/2);
StartPoint.y-=(Dehigh/2);
}
}
V558_LcdALDisable();
V558_IppSetZoomDisplay(StartPoint,Size,DisSize.cx);
V558_LcdALEnable();
ZoomTime=0;
if(!mode)
{
while(Size.cx>DeWith && Size.cy>Dehigh)
{
Size.cx-=DeWith;
Size.cy-=Dehigh;
if(Size.cx<CapSize.cx||Size.cx<DisSize.cx) break;
ZoomTime++;
}
}
else
{
while(1)
{
Size.cx+=DeWith;
Size.cy+=Dehigh;
if(Size.cx>g_Preview_Para.Source_W) break;
ZoomTime++;
}
}
return ZoomTime;
}
/********************************************************************************
Description:
Get the valid zoom steps( USER558_PreviewZoomDisplay() )
Parameters:
mode: 0:zoom in .1:zoom out
Return:
The total valid zoom steps(please refer the 'step' parameter in USER558_PreviewZoomDisplay() )
UINT16 USER558_PreviewZoomDisplay(UINT8 mode,UINT16 step) )
Remarks:
state: valid
*********************************************************************************/
UINT16 USER558_GetZoomDisplaySteps(UINT8 mode)
{
UINT16 DeWith,Dehigh,devisor;
UINT16 XRatio, YRatio, ZoomTime;
V558_SIZE DisSize;
V558_IppGetDispSize(&DisSize);
devisor=Find_common_divisor(g_Preview_Para.Source_W,g_Preview_Para.Source_H);
XRatio=g_Preview_Para.Source_W/devisor;
YRatio=g_Preview_Para.Source_H/devisor;
DeWith=XRatio*ZOOMPIXEL;
Dehigh=YRatio*ZOOMPIXEL;
if(DeWith==0) return 0;
ZoomTime=0;
if(mode)
{
while(DisSize.cx>=(DeWith+g_Preview_Para.Display_W) && DisSize.cy>=(Dehigh+g_Preview_Para.Display_H))
{
DisSize.cx-=DeWith;
DisSize.cy-=Dehigh;
ZoomTime++;
}
}
else
{
while(1)
{
DisSize.cx+=DeWith;
DisSize.cy+=Dehigh;
if(DisSize.cx>g_Preview_Para.Source_W||DisSize.cy>g_Preview_Para.Source_H) break;
if(DisSize.cx>=0x200||DisSize.cy>=0x200) break;
ZoomTime++;
}
}
return ZoomTime;
}
/********************************************************************************
Description:
set jpeg zoom,this function will be called when display a
zoom jpeg file.
Parameters:
mode: 0:zoom in .1:zoom out
step: zoom step(1 step>=4pixel);
Lcd_OffsetX: the offsetX in lcd panel
Lcd_OffsetY: the offset y in lcd panel
Display_W: the width of display window in lcd panel
Display_H: the height of display window in lcd panel
Zoom_OffsetX: the offset x of jpeg file.(if x=0xffff and y=0xffff than auto find the middle)
Zoom_OffsetY: the offset y of jpeg file.
return: With current zoom parameter, how many times this function can be called valid
(otherwise it will have no effect)
Note:
This function must be used in diplay a jpeg file.
step:1-5
if the jpeg file 's width or the height is less than the display region in lcd panel,
the funciton is not effect.
Remarks:
state: valid
*********************************************************************************/
UINT16 USER558_PreviewZoomJpeg(UINT8 mode,UINT16 step,UINT8 *jpegBuf,UINT16 Lcd_OffsetX, UINT16 Lcd_OffsetY, UINT16 Display_W, UINT16 Display_H,UINT16 Zoom_OffsetX, UINT16 Zoom_OffsetY)
{
UINT16 DeWith,Dehigh,devisor,SourceW;
UINT16 XRatio, YRatio, ZoomTime;
V558_SIZE DisSize;
V558_LAYER_PROPERTY proty;
UINT8 Special;
V558_JPEGBUF decBuf;
V558_JPEG_INDEX info;
V558_IppGetDispSize(&DisSize);
V558_LcdALEnable();
Special=V558_LcdGetDispMode();
decBuf.ActLen = 0x10000;
decBuf.pData = (UINT8 *)jpegBuf;
decBuf.Len = 0x8000;
if(V558_JpegParse(&decBuf, &info) == 0)
{
SourceW=info.ImageSize.cx;
devisor=Find_common_divisor(info.ImageSize.cx,info.ImageSize.cy);
XRatio=info.ImageSize.cx/devisor;
YRatio=info.ImageSize.cy/devisor;
DeWith=XRatio*4*step;
Dehigh=YRatio*4*step;
if(DeWith==0) return 0;
if(mode)
{
if(DisSize.cx>=(DeWith+Display_W) && DisSize.cy>=(Dehigh+Display_H))
{
DisSize.cx-=DeWith;
DisSize.cy-=Dehigh;
}
else return 0;
}
else
{
DisSize.cx+=DeWith;
DisSize.cy+=Dehigh;
if(DisSize.cx>info.ImageSize.cx) return 0;
if(DisSize.cy>info.ImageSize.cy) return 0;
if(DisSize.cx>=0x200) return 0;
if(DisSize.cy>=0x200) return 0;
}
if(Special==0|Special==1) //90or 270
{
proty.Size.cx = DisSize.cx;
proty.Size.cy = DisSize.cy;
if(Zoom_OffsetX==0xffff&&Zoom_OffsetY==0xffff)
{
proty.DisRect.left = (DisSize.cx-Display_W)/2;
proty.DisRect.top =(DisSize.cy-Display_H)/2;
}
else
{
proty.DisRect.left = Zoom_OffsetX;
proty.DisRect.top =Zoom_OffsetY;
}
proty.DisRect.width = Display_H;
proty.DisRect.height =Display_W;
proty.DisPoint.x = Lcd_OffsetX/4;
proty.DisPoint.y = Lcd_OffsetY;
}
else //normal
{
proty.Size.cx =DisSize.cx;
proty.Size.cy = DisSize.cy;
if(Zoom_OffsetX==0xffff&&Zoom_OffsetY==0xffff)
{
proty.DisRect.left = (DisSize.cx-Display_W)/2;
proty.DisRect.top =(DisSize.cy-Display_H)/2;
}
else
{
proty.DisRect.left = Zoom_OffsetX;
proty.DisRect.top =Zoom_OffsetY;
}
proty.DisRect.width = Display_W;
proty.DisRect.height =Display_H;
proty.DisPoint.x = Lcd_OffsetX;
proty.DisPoint.y = Lcd_OffsetY;
}
V558_DisplayStill(&decBuf, &info, &proty);
}
ZoomTime=0;
if(mode)
{
while(DisSize.cx>=(DeWith+Display_W) && DisSize.cy>=(Dehigh+Display_H))
{
DisSize.cx-=DeWith;
DisSize.cy-=Dehigh;
ZoomTime++;
}
}
else
{
while(1)
{
DisSize.cx+=DeWith;
DisSize.cy+=Dehigh;
if(DisSize.cx>info.ImageSize.cx||DisSize.cy>info.ImageSize.cy) break;
if(DisSize.cx>=0x200||DisSize.cy>=0x200) break;
ZoomTime++;
}
}
return ZoomTime;
g_558_WorkStatus=STATE558_Display;
}
/********************************************************************************
Description:
set 558 Previw Zoom
This only effect LCD display, it has no effection with capture.
Parameters:
mode: 0:zoom in .1:zoom out
step: zoom step;
return:
With current zoom parameter, how many times this function can be called valid
(otherwise it will have no effect)
if return 0xffff, means zoom failure
Note:
This function must be used in Preview mode, and will NOT effect capture
step:1-5
Remarks:
state: valid
*********************************************************************************/
UINT16 USER558_PreviewZoomDisplay(UINT8 mode,UINT16 step)
{
UINT16 DeWith,Dehigh,devisor;
UINT16 XRatio, YRatio, ZoomTime;
V558_SIZE Size,DisSize,CapSize;
V558_POINT StartPoint;
V558_LAYER_PROPERTY proty;
//ZoomTime=USER558_GetZoomDisplaySteps(mode);
V558_IppGetSizerSize(&Size);
V558_IppGetDispSize(&DisSize);
V558_IppGetCapSize(&CapSize);
V558_IppGetSizerStartp(&StartPoint);
devisor=Find_common_divisor(g_Preview_Para.Source_W,g_Preview_Para.Source_H);
XRatio=g_Preview_Para.Source_W/devisor;
YRatio=g_Preview_Para.Source_H/devisor;
DeWith=XRatio*ZOOMPIXEL*step;
Dehigh=YRatio*ZOOMPIXEL*step;
if(DeWith==0) return 0xffff;
if(mode)
{
if(DisSize.cx>=(DeWith+g_Preview_Para.Display_W) && DisSize.cy>=(Dehigh+g_Preview_Para.Display_H))
{
DisSize.cx-=DeWith;
DisSize.cy-=Dehigh;
}
else return 0xffff;
}
else
{
DisSize.cx+=DeWith;
DisSize.cy+=Dehigh;
if(DisSize.cx>=Size.cx) return 0xffff;
if(DisSize.cy>=Size.cy) return 0xffff;
if(DisSize.cx>=0x200) return 0xffff;
if(DisSize.cy>=0x200) return 0xffff;
}
proty.Size.cx = DisSize.cx;
proty.Size.cy = DisSize.cy;
proty.DisRect.left = (DisSize.cx-g_Preview_Para.Display_W)/2;
proty.DisRect.top = (DisSize.cy-g_Preview_Para.Display_H)/2;
proty.DisRect.width = g_Preview_Para.Display_W;
proty.DisRect.height =g_Preview_Para.Display_H;
proty.DisPoint.x = g_Preview_Para.Display_OffsetW;
proty.DisPoint.y = g_Preview_Para.Display_OffsetH;
V558_LcdDispDisable();
V558_IppSetZoomDisplay(StartPoint,Size,DisSize.cx);
//V558_IppSetCapture(g_Preview_Para.Capture_W);
//V558_LcdSetALSize(DisSize);
V558_LcdSetALProperty(&proty);
V558_LcdDispEnable();
ZoomTime=0;
if(mode)
{
while(DisSize.cx>=(DeWith+g_Preview_Para.Display_W) && DisSize.cy>=(Dehigh+g_Preview_Para.Display_H))
{
DisSize.cx-=DeWith;
DisSize.cy-=Dehigh;
ZoomTime++;
}
}
else
{
while(1)
{
DisSize.cx+=DeWith;
DisSize.cy+=Dehigh;
if(DisSize.cx>g_Preview_Para.Source_W||DisSize.cy>g_Preview_Para.Source_H) break;
if(DisSize.cx>=0x200||DisSize.cy>=0x200) break;
ZoomTime++;
}
}
return ZoomTime;
}
/********************************************************************************
Description:
set 558 Zoom
Parameters:
mode: 0:zoom in .1:zoom out
step: zoom step;
x: offset x in zoom image;if x=0xffff and y=0xffff than auto find the middle
y: offset y in zoom image;
return:
With current zoom parameter, how many times this function can be called valid
(otherwise it will have no effect)
if return 0xffff, means zoom failure
Note:
step:1-5
Remarks:
state: valid
*********************************************************************************/
UINT16 USER558_Zoom(UINT8 mode,UINT16 step,UINT16 x,UINT16 y)
{
UINT16 temp1, temp2;
temp1=USER558_PreviewZoom(mode,step,x,y);
if(temp1!=0xffff)
return (temp1+USER558_GetZoomDisplaySteps(mode));
temp2=USER558_PreviewZoomDisplay(mode,step);
return temp2;
}
/********************************************************************************
Description:
Get 558 valid Zoom steps
Parameters:
mode: 0:zoom in .1:zoom out
step: zoom step;
return:
The total valid zoom steps(please refer the 'step' parameter in USER558_Zoom() )
Remarks:
state: valid
*********************************************************************************/
UINT16 USER558_GetZoomSteps(UINT8 mode)
{
return USER558_GetPreviewZoomSteps(mode)+USER558_GetZoomDisplaySteps(mode);
}
/********************************************************************************
Description:
Set Bypass mode
Parameters:
Mode: Set Bypass mode
PANEL: Set Panel Cs
Note:
This function must be used in 16bit multplex mode
<TABLE>
value meaning
----- -------
0 normal mode;
1 start bypass mode.
</TABLE>
<TABLE>
value meaning
----- -------
0 Main Panel;
1 Sub Panel.
</TABLE>
Remarks:
state: valid
*********************************************************************************/
void USER558_Set_Bypass(UINT8 Mode,UINT8 PANEL)
{
#if V558_BUS_TYPE == V558_BUS_SEPERATE
return;
#endif
if(Mode == 1)
{
V558_SetReg(V558_REG_BIU_BYPASS_SEL ,0x0);
V558_CtrlSetChipClkOn();
V558_CtrlSetModClkOn(V558_MOD_CLK_LCD);
V558_ChangePanelCs(PANEL);
V558_CtrlSetChipClkOff();
V558_CtrlSetWorkMode(V558_MODE_BYPASS);
// GPIO_WriteIO(0,19);
}
else
{
// GPIO_WriteIO(1,19);
V558_CtrlSetWorkMode(V558_MODE_BYPASS);
V558_Delay(10);
V558_CtrlSetWorkMode(V558_MODE_VIEW);
V558_CtrlSetChipClkOn();
V558_CtrlSetModClkOn(V558_MOD_CLK_LCD);
V558_ChangePanelCs(PANEL);
//V558PanelEnterBypass(); //some panle only
}
}
/********************************************************************************
Description:
Set the value of lcd driver ic register
Parameters:
uVal: the value of the register which will write to driver ic.
Remarks:
state: valid
*********************************************************************************/
void USER558_SetVal_By(UINT16 uVal)
{
V558_SetVal_By(uVal);
}
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