// ----------------------------------------------------------------------- //
//
// ROUTINE: CLTMaskedWnd::PtInWnd
//
// PURPOSE: Determines if a point is in the window
//
// ----------------------------------------------------------------------- //
BOOL CLTMaskedWnd::PtInWnd(int x, int y)
{
// Make sure that the point is in the window's rectangle
if(!CLTWnd::PtInWnd(x,y))
return FALSE;
// Do the irregular surface test if necessary
if (m_bSurfaceTest && IsFlagSet(LTWF_TRANSPARENT) && m_hSurf)
{
HLTCOLOR hPixelHue;
LTRESULT dr = g_pLTClient->GetPixel(m_hSurf, x - GetWindowLeft(), y - GetWindowTop(), &hPixelHue);
if ((dr == LT_OK) && (hPixelHue != GetTransparentColor()))
return TRUE;
return FALSE;
}
return TRUE;
}
/*********************************************************************
* Function: void PutImage4BPP(SHORT left, SHORT top, FLASH_BYTE* image, BYTE stretch, PUTIMAGE_PARAM *pPartialImageData)
*
* PreCondition: none
*
* Input: left,top - left top image corner,
* image - image pointer,
* stretch - image stretch factor
* pPartialImageData - (currently not implemented in this driver)
*
* Output: none
*
* Side Effects: none
*
* Overview: outputs 16 color image starting from left,top coordinates
*
* Note: image must be located in flash
*
********************************************************************/
void PutImage4BPP(SHORT left, SHORT top, FLASH_BYTE *image, BYTE stretch, PUTIMAGE_PARAM *pPartialImageData)
{
register FLASH_BYTE *flashAddress;
register FLASH_BYTE *tempFlashAddress;
WORD sizeX, sizeY;
register WORD x, y, currentXLocation;
BYTE temp = 0;
register BYTE stretchX, stretchY;
WORD pallete[16];
WORD counter;
// Move pointer to size information
flashAddress = image + 2;
// Read image size
sizeY = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
sizeX = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
// Read pallete
for(counter = 0; counter < 16; counter++)
{
pallete[counter] = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
}
DisplayEnable();
for(y = 0; y < sizeY; y++)
{
tempFlashAddress = flashAddress;
for(stretchY = 0; stretchY < stretch; stretchY++)
{
flashAddress = tempFlashAddress;
SetAddress(left, top);
for(x = 0, currentXLocation = 0; x < sizeX; x++)
{
// Read 2 pixels from flash
if(x & 0x0001)
{
// second pixel in byte
SetColor(pallete[temp >> 4]);
}
else
{
temp = *flashAddress;
flashAddress++;
// first pixel in byte
SetColor(pallete[temp & 0x0f]);
}
// Write pixel to screen
for(stretchX = 0; stretchX < stretch; stretchX++)
{
#ifdef USE_TRANSPARENT_COLOR
if (((GetTransparentColor() == GetColor()) && (GetTransparentColorStatus() == TRANSPARENT_COLOR_ENABLE)))
{
currentXLocation++;
SetAddress(left + currentXLocation, top);
}
else
#endif
{
WritePixel(_color);
currentXLocation++;
}
}
}
top++;
}
/*********************************************************************
* Function: void PutImage1BPP(SHORT left, SHORT top, FLASH_BYTE* image, BYTE stretch, PUTIMAGE_PARAM *pPartialImageData)
*
* PreCondition: none
*
* Input: left,top - left top image corner,
* image - image pointer,
* stretch - image stretch factor
* pPartialImageData - (currently not implemented in this driver)
*
* Output: none
*
* Side Effects: none
*
* Overview: outputs monochrome image starting from left,top coordinates
*
* Note: image must be located in flash
*
********************************************************************/
void PutImage1BPP(SHORT left, SHORT top, FLASH_BYTE *image, BYTE stretch, PUTIMAGE_PARAM *pPartialImageData)
{
register FLASH_BYTE *flashAddress;
register FLASH_BYTE *tempFlashAddress;
BYTE temp = 0;
WORD sizeX, sizeY;
WORD x, y, currentXLocation;
BYTE stretchX, stretchY;
WORD pallete[2];
BYTE mask;
// Move pointer to size information
flashAddress = image + 2;
// Read image size
sizeY = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
sizeX = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
pallete[0] = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
pallete[1] = *((FLASH_WORD *)flashAddress);
flashAddress += 2;
DisplayEnable();
for(y = 0; y < sizeY; y++)
{
tempFlashAddress = flashAddress;
for(stretchY = 0; stretchY < stretch; stretchY++)
{
flashAddress = tempFlashAddress;
SetAddress((WORD) left, (WORD) top);
mask = 0;
for(x = 0, currentXLocation = 0; x < sizeX; x++)
{
// Read 8 pixels from flash
if(mask == 0)
{
temp = *flashAddress;
flashAddress++;
mask = 0x01;
}
// Set color
if(mask & temp)
{
SetColor(pallete[1]);
}
else
{
SetColor(pallete[0]);
}
// Write pixel to screen
for(stretchX = 0; stretchX < stretch; stretchX++)
{
#ifdef USE_TRANSPARENT_COLOR
if (((GetTransparentColor() == GetColor()) && (GetTransparentColorStatus() == TRANSPARENT_COLOR_ENABLE)))
{
currentXLocation++;
SetAddress(left + currentXLocation , top);
}
else
#endif
{
currentXLocation++;
WritePixel(_color);
}
}
// Shift to the next pixel
mask <<= 1;
}
top++;
}
}
DisplayDisable();
}
