int GUI_MEMDEV_CompareWithLCD(GUI_MEMDEV_Handle hMem, int*px, int*py, int *pExp, int*pAct) {
/* Make sure memory handle is valid */
if (!hMem) {
hMem = GUI_Context.hDevData;
}
if (!hMem) {
return 1;
}
{
GUI_MEMDEV* pDevData = (GUI_MEMDEV*) GUI_ALLOC_LOCK(hMem); /* Convert to pointer */
int y = pDevData->y0;
int x0 = pDevData->x0;
int XMax = pDevData->XSize+x0;
int YMax = pDevData->YSize+y;
int Max;
int MagX = LCD_GetXMag();
int MagY = LCD_GetYMag();
/* Calculate limits */
if (y < 0)
y=0;
if (x0 < 0)
x0=0;
Max = LCD_GET_YSIZE();
if (YMax > Max)
YMax = Max;
Max = LCD_GET_XSIZE();
if (XMax > Max)
XMax = Max;
for (; y < YMax; y++) {
int x=x0;
LCD_PIXELINDEX* pData = GUI_MEMDEV_XY2PTR(x,y);
for (x=x0; x<XMax; x++) {
int Exp = *pData++;
int Act = LCD_L0_GetPixelIndex(x * MagX, y * MagY);
if (Act != Exp) {
*px = x;
*py = y;
*pAct = Act;
*pExp = Exp;
return 1;
}
}
}
}
GUI_ALLOC_UNLOCK(hMem);
return 0;
}
/*********************************************************************
*
* GUI_MEMDEV_CompareWithLCD
*/
int GUI_MEMDEV_CompareWithLCD(GUI_MEMDEV_Handle hMem, int*px, int*py, int *pExp, int*pAct) {
int Ret = 0;
/* Make sure memory handle is valid */
if (!hMem) {
hMem = GUI_Context.hDevData;
}
if (!hMem) {
return 1;
}
GUI_LOCK();
{
GUI_MEMDEV * pDevData = (GUI_MEMDEV*) GUI_ALLOC_h2p(hMem); /* Convert to pointer */
int y = pDevData->y0;
int x0 = pDevData->x0;
int XMax = pDevData->XSize + x0;
int YMax = pDevData->YSize + y;
int Max;
int MagX = LCD_GetXMag();
int MagY = LCD_GetYMag();
/* Calculate limits */
if (y < 0) {
y = 0;
}
if (x0 < 0) {
x0 = 0;
}
Max = LCD_GET_YSIZE();
if (YMax > Max) {
YMax = Max;
}
Max = LCD_GET_XSIZE();
if (XMax > Max) {
XMax = Max;
}
for (; y < YMax; y++) {
int x = x0;
U8 * pData = (U8 *)GUI_MEMDEV__XY2PTR(x, y);
for (x = x0; x < XMax; x++) {
int Exp = *pData++;
int Act = LCD_L0_GetPixelIndex(x * MagX, y * MagY);
#if (GUI_NUM_LAYERS > 1)
if (LCD_GetBitsPerPixelEx(GUI_Context.SelLayer) > 8)
#else
if (LCD_GetBitsPerPixel() > 8)
#endif
{
Exp |= (*pData++) << 8;
}
if (Act != Exp) {
*px = x;
*py = y;
*pAct = Act;
*pExp = Exp;
Ret = 1;
goto Skip;
}
}
}
}
Skip:
GUI_UNLOCK();
return Ret;
}
