/*********************************************************************
*
* _WriteAlphaToActiveAt
*/
static void _WriteAlphaToActiveAt(GUI_MEMDEV_Handle hMem, int Intens, int x, int y) {
/* Make sure the memory handle is valid */
if (hMem) {
GUI_MEMDEV * pDev = GUI_MEMDEV_H2P(hMem);
GUI_USAGE_h hUsage = pDev->hUsage;
GUI_USAGE* pUsage;
int YSize = pDev->YSize;
int yi;
if (hUsage) {
pUsage = GUI_USAGE_H2P(hUsage);
for (yi = 0; yi < YSize; yi++) {
int xOff = 0;
int XSize;
XSize = GUI_USAGE_GetNextDirty(pUsage, &xOff, yi);
/* Draw the partial line which needs to be drawn */
for (; XSize; ) {
U8* pData;
pData = (U8*)GUI_MEMDEV__XY2PTREx(pDev, xOff, yi);
do {
LCD_COLOR Color, BkColor;
int xPos, yPos, Index;
if (pDev->BitsPerPixel == 8) {
Index = *pData++;
} else {
Index = *(U16*)pData;
pData += 2;
}
Color = LCD_Index2Color(Index);
xPos = xOff + x;
yPos = yi +y;
BkColor = LCD_GetPixelColor(xPos, yPos);
Color = LCD_MixColors256(Color, BkColor, Intens);
Index = LCD_Color2Index(Color);
LCD_SetPixelIndex(xPos, yPos, Index);
xOff++;
} while (--XSize);
XSize = GUI_USAGE_GetNextDirty(pUsage, &xOff, yi);
}
}
}
}
}
/*********************************************************************
*
* _Serialize
*/
static void _Serialize(int x0, int y0, int xSize, int ySize, HANDLE hFile) {
int i;
int x, y;
int BPP = LCD_GetBitsPerPixelEx(GUI_Context.SelLayer);/**/
int NumColors = (BPP > 8) ? 0 : (1 << BPP);
int Cnt = 0;
int DataNew;
int Data = -1;
char aIsUsed[256] = {0};
char aIndex2Index[256];
GUI_LOCK();
/* Analyze which indices are really used */
if (NumColors) {
NumColors = 0;
for (y = 0; y < ySize; y++) {
for (x = 0; x < xSize; x++) {
aIsUsed[LCD_GetPixelIndex(x0 + x, y0 + y)] = 1;
}
}
for (i = 0; i < 256; i++) {
if (aIsUsed[i]) {
aIndex2Index[i] = NumColors++;
}
}
}
/* Write header */
_WriteByteToFile('S', hFile);
_WriteByteToFile('B', hFile);
_WriteU16ToFile((U16)xSize, hFile);
_WriteU16ToFile((U16)ySize, hFile);
_WriteU16ToFile((U16)NumColors, hFile);
/* Write index colors */
for (i = 0; i < 256; i++) {
if (aIsUsed[i]) {
GUI_COLOR Color = GUI_Index2Color(i);
_WriteRGBToFile(Color, hFile);
}
}
/* Write pixels */
for (y = 0; y < ySize; y++) {
for (x = 0; x < xSize; x++) {
if (NumColors) {
DataNew = aIndex2Index[LCD_GetPixelIndex(x0 + x, y0 + y)];
} else {
DataNew = LCD_GetPixelColor(x0 + x, y0 + y);
}
/* Write data record if necessary */
if ((Cnt == 0xFFFF) | (Data != DataNew)) {
if (Cnt) {
_WriteU16ToFile(Cnt, hFile);
_WritePixel(Data, NumColors, hFile);
}
Data = DataNew;
Cnt = 0;
}
Cnt++;
}
}
/* Write last record */
_WriteU16ToFile(Cnt, hFile);
_WritePixel(DataNew, NumColors, hFile);
GUI_UNLOCK();
}
