BOOL WINAPI DibTransparentBlt(PDIB pdibDst, LPBYTE pbitsDst, int xDst, int yDst, PDIB pdibSrc, LPBYTE pbitsSrc, int xSrc, int ySrc, int cx, int cy, BYTE transparent)
{
RECT rcDst, rcSrc;
RECT rcBltDst, rcBltSrc;
long cxBlt, cyBlt;
DWORD offDst, offSrc;
WORD selDst, selSrc;
long pitchDst, pitchSrc;
SetRect(&rcDst, 0, 0, (int)DibWidth(pdibDst), (int)DibHeight(pdibDst));
SetRect(&rcSrc, 0, 0, (int)DibWidth(pdibSrc), (int)DibHeight(pdibSrc));
SetRect(&rcBltDst, xDst, yDst, xDst + cx, yDst + cy);
SetRect(&rcBltSrc, xSrc, ySrc, xSrc + cx, ySrc + cy);
if ((IntersectRect(&rcBltDst, &rcDst, &rcBltDst) == FALSE)
|| (IntersectRect(&rcBltSrc, &rcSrc, &rcBltSrc) == FALSE))
{
return FALSE;
}
cxBlt = min(rcBltDst.right - rcBltDst.left, rcBltSrc.right - rcBltSrc.left);
cyBlt = min(rcBltDst.bottom - rcBltDst.top, rcBltSrc.bottom - rcBltSrc.top);
selDst = HIWORD(pbitsDst);
selSrc = HIWORD(pbitsSrc);
if (pdibDst->biHeight < 0)
{
pitchDst = (long)DibPitch(pdibDst);
offDst = LOWORD(pbitsDst) + DibPitch(pdibDst) * rcBltDst.top + rcBltDst.left;
}
else
{
pitchDst = - (long)DibPitch(pdibDst);
offDst = LOWORD(pbitsDst) + DibPitch(pdibDst) * (DibHeight(pdibDst) - rcBltDst.top - 1) + rcBltDst.left;
}
if (pdibSrc->biHeight < 0)
{
pitchSrc = (long)DibPitch(pdibSrc);
offSrc = LOWORD(pbitsSrc) + DibPitch(pdibSrc) * rcBltSrc.top + rcBltSrc.left;
}
else
{
pitchSrc = - (long)DibPitch(pdibSrc);
offSrc = LOWORD(pbitsSrc) + DibPitch(pdibSrc) * (DibHeight(pdibSrc) - rcBltSrc.top - 1) + rcBltSrc.left;
}
CopyTransparentBits(selDst, offDst, pitchDst, selSrc, offSrc, pitchSrc, cxBlt, cyBlt, transparent);
return TRUE;
}
/*
* EstimateBGFFileSize: Return an upper bound on the size of the BGF file
* that will result from saving the given bitmaps.
*/
int EstimateBGFFileSize(Bitmaps *b)
{
Group *g;
int len = 0, i;
len += 56; // header stuff
// Space for hotspots and bitmaps
for (i=0; i < b->num_bitmaps; i++)
{
PDIB pdib = b->bitmaps[i];
len += 17 + 9 * b->hotspots[i].num_hotspots;
len += DibHeight(pdib) * DibWidth(pdib);
}
// Write out indices
for (i=0; i < b->num_groups; i++)
{
g = &b->groups[i];
len += 4 + 4 * g->num_indices;
}
len += 100; // just to be safe
return len;
}
// Get the bounding rectangle.
void CDIB::GetRect(CRect* pRect)
{
pRect->top = 0;
pRect->left = 0;
pRect->bottom = DibHeight();
pRect->right = DibWidth();
}
void CDocWindow::HandleImageRecolor(int x, int y, CImageObject* pObject)
{
if (pObject == NULL)
return;
BITMAPINFOHEADER* pBitmap = pObject->GetDib();
if (pBitmap != NULL)
{
CRect DestRect = pObject->GetDestRect();
CFloodFill FloodFill;
CAGMatrix Matrix;
CPoint pt(x, y);
if (m_pClientDC)
m_pClientDC->GetViewToDeviceMatrix().Inverse().Transform(pt);
double xScale = (double)DibWidth(pBitmap) / DestRect.Width();
double yScale = (double)DibHeight(pBitmap) / DestRect.Height();
Matrix.Translate(-DestRect.left, -DestRect.top);
Matrix.Scale(xScale, yScale, 0, 0);
Matrix.Transform(pt);
FloodFill.Fill(pBitmap, &DestRect, pt.x, pt.y, (m_fUsePrimaryColor ? m_PrimaryColor : m_SecondaryColor));
}
// Invalidate the image's current location
InvalidateImage(pObject);
pObject->SetModified(true);
//if (pDIBNew)
//{
// pObject->SetDib(pDIBNew);
// free(pDIB);
//}
//else
//{
// // Adjust the image's matrix
// CRect DestRect = pObject->GetDestRect();
// CAGMatrix Matrix = pObject->GetMatrix();
// Matrix.Transform(DestRect);
// Matrix.Scale((bFlipX ? -1 : 1), (bFlipY ? -1 : 1),
// (DestRect.left + DestRect.right) / 2,
// (DestRect.top + DestRect.bottom) / 2);
// pObject->SetMatrix(Matrix);
//}
}
// Get a pointer to a pixel.
// NOTE: DIB scan lines are DWORD aligned. The scan line
// storage width may be wider than the scan line image width
// so calc the storage width by rounding the image width
// to the next highest DWORD value.
void* CDIB::GetPixelAddress(int x, int y)
{
int iWidth;
// Note: This version deals only with 8 bpp DIBs.
ASSERT(m_pBMI->bmiHeader.biBitCount == 8);
// Make sure it's in range and if it isn't return zero.
if ((x >= DibWidth())
|| (y >= DibHeight())) {
TRACE("Attempt to get out of range pixel address");
return NULL;
}
// Calculate the scan line storage width.
iWidth = StorageWidth();
return m_pBits + (DibHeight()-y-1) * iWidth + x;
}
// Draw the DIB to a given DC
void CDIB::Draw(CDC* pDC, CRect *pcrWindow)
{
::StretchDIBits(pDC->GetSafeHdc(),
pcrWindow->left, // Destination x
pcrWindow->top, // Destination y
pcrWindow->Width(), // Destination width
pcrWindow->Height(), // Destination height
0, // Source x
0, // Source y
DibWidth(), // Source width
DibHeight(), // Source height
GetBitsAddress(), // Pointer to bits
GetBitmapInfoAddress(), // BITMAPINFO
DIB_RGB_COLORS, // Options
SRCCOPY); // Raster operation code (ROP)
}
////////////////////////////////////////////////////////////
// TWallTextureontrol
// -----------------
//
void
TWallTextureControl::BuildBitmapData (const char *texname, SHORT /*remapPlayer*/)
{
Bitmaps b;
PDIB pdib;
BYTE *bits;
int size;
if (DibOpenFile(texname, &b) == False)
{
Notify("Couldn't load texture %s", texname);
return;
}
pdib = BitmapsGetPdib(b, 0, 0);
if (pdib == NULL)
{
Notify("Missing bitmap 0 in texture %s", texname);
return;
}
BitmapXSize = DibWidth(pdib);
BitmapYSize = DibHeight(pdib);
bits = DibPtr(pdib);
size = BitmapXSize * BitmapYSize;
pBitmapData = (BYTE *) GetMemory(size);
memcpy(pBitmapData, bits, size);
BitmapsFree(&b);
// Mark used colors
BYTE *ptrData = pBitmapData;
for (int i = 0 ; i < size ; i++ )
{
pUsedColors[*ptrData] = TRUE;
ptrData++;
}
return;
}
/*
* DibReadBits: Read bits of an image into the given PDIB. The file pointer
* for f must be positioned at the start of the image information.
* version is version of BGF file.
* Return True on success.
*/
Bool DibReadBits(file_node *f, PDIB pdib, int version)
{
BYTE *bits, type;
int length, temp, compressed_length, retval;
uLongf len;
bits = DibPtr(pdib);
length = DibWidth(pdib) * DibHeight(pdib);
if (version < 10)
return False;
// See if image is compressed
if (MappedFileRead(f, &type, 1) != 1) return False;
switch (type)
{
case 0:
if (MappedFileRead(f, &temp, 4) != 4) return False; // Skip unused bytes
if (MappedFileRead(f, bits, length) != length) return False;
break;
case 1:
if (MappedFileRead(f, &compressed_length, 4) != 4) return False;
len = length;
retval = uncompress((Bytef *) bits, &len, (const Bytef *) f->ptr, compressed_length);
if (retval != Z_OK)
{
dprintf("DibReadBits error during decompression\n");
return False;
}
f->ptr += compressed_length;
break;
default:
dprintf("DibReadBits got bad type byte %d\n", (int) type);
return False;
}
return True;
}
BOOL CImageBMP::ReadFile(const CString& imageFileName)
{
if (imageFileName != "")
filename = imageFileName;
if (lpbi = DibOpenFile((char *)(const char *)filename)) {
Width = DibWidth(lpbi);
Height = DibHeight(lpbi);
Depth = DibBitCount(lpbi);
RawImage = (ImagePointerType)DibPtr(lpbi);
EffWidth = (long)(((long)Width*Depth + 31) / 32) * 4;
HPALETTE palette;
if (palette = MakePalette((const BITMAPINFO FAR*)lpbi, 0))
{
imagePalette = new CImagePalette;
imagePalette->Attach(palette);
DibSetUsage(lpbi, (HPALETTE) (*imagePalette), CIMAGE_COLORS);
ColorType = (COLORTYPE_PALETTE | COLORTYPE_COLOR);
}
return TRUE;
}
return FALSE;
}
void AboutTimer(HWND hwnd, UINT id)
{
HWND hwndBitmap;
HDC hdc;
int i, j, k, x, y;
RECT r;
PDIB pdib;
BYTE *bits, index;
object_node *obj;
// Copy bits to offscreen area
for (i=0; i < scroll_height; i++)
{
int yBitmap = (scroll_y + i) % DibHeight(credits_pdib);
BYTE *pSource = DibPtr(credits_pdib) + (yBitmap * DibWidth(credits_pdib));
BYTE *pDest = gBits + i*DIBWIDTH(gbits_width);
memcpy(pDest,pSource,scroll_width);
}
scroll_y++;
if (scroll_y >= DibHeight(credits_pdib))
scroll_y = 0;
hwndBitmap = GetDlgItem(hwnd, IDC_SCROLL);
hdc = GetDC(hwndBitmap);
SelectPalette(hdc, hPal, FALSE);
BitBlt(hdc, 0, 0, scroll_width, scroll_height, gDC, 0, 0, SRCCOPY);
ReleaseDC(hwndBitmap, hdc);
// Draw animated characters
r.left = r.top = 0;
r.right = gbits_width;
r.bottom = gbits_height;
FillRect(gDC, &r, GetSysColorBrush(COLOR_3DFACE));
GdiFlush();
hdc = GetDC(hwnd);
for (i=0; i < NUM_DUDES; i++)
{
if (dudes[i].obj != NULL)
{
obj = dudes[i].obj;
if (rand() % 30 == 0)
{
obj->animate->animation = ANIMATE_ONCE;
obj->animate->group = obj->animate->group_low = 3;
obj->animate->group_high = 4;
obj->animate->group_final = 0;
obj->animate->period = obj->animate->tick = 400;
if (config.play_sound)
{
switch (dudes[i].obj->icon_res)
{
case ABOUT_RSC1: index = 3; break;
case ABOUT_RSC2: index = 4; break;
case ABOUT_RSC3: index = 5; break;
default: index = rand() % num_sounds; break;
}
SoundPlayFile(sounds[index], SF_RANDOM_PITCH);
}
}
AnimateObject(dudes[i].obj, ABOUT_INTERVAL);
pdib = GetObjectPdib(dudes[i].obj->icon_res, dudes[i].angle, dudes[i].obj->animate->group);
if (pdib == NULL)
continue;
bits = DibPtr(pdib);
x = dudes[i].x - DibWidth(pdib) / 2;
y = DUDE_MAX_HEIGHT - DibHeight(pdib);
for (j=0; j < DibHeight(pdib); j++)
{
for (k=0; k < DibWidth(pdib); k++)
{
index = *(bits + j * DibWidth(pdib) + k);
if (index != TRANSPARENT_INDEX)
*(gBits + (j + y) * DIBWIDTH(gbits_width) + x + k) = index;
}
}
}
}
SelectPalette(hdc, hPal, FALSE);
BitBlt(hdc, dude_x, dude_y, DUDE_AREA_WIDTH, DUDE_MAX_HEIGHT, gDC, 0, 0, SRCCOPY);
ReleaseDC(hwnd, hdc);
}
/*
* AboutInitDialog: Handle WM_INITDIALOG messages.
*/
BOOL AboutInitDialog(HWND hDlg, HWND hwndFocus, LPARAM lParam)
{
int i,sideBuffer,xEdge,yEdge;
POINT pt;
HWND hwndScroll = GetDlgItem(hDlg, IDC_SCROLL);
RECT r, rcScrollClient, rcScroll, rcDlg, rcDlgClient;
char buffer[80];
char format[80];
/* Load credits from bgf file */
if (DibOpenFile(credits_filename, &credits_b))
credits_pdib = BitmapsGetPdibByIndex(credits_b, credits_page);
else debug(("AboutInitDialog unable to load file %s\n", credits_filename));
GetWindowRect(hwndScroll, &r);
OffsetRect(&r, -r.left, -r.top);
GetWindowRect(hDlg, &rcDlg);
GetWindowRect(hwndScroll, &rcScroll);
GetClientRect(hwndScroll, &rcScrollClient);
sideBuffer = rcScroll.left - rcDlg.left;
xEdge = (rcScroll.right-rcScroll.left) - rcScrollClient.right;
yEdge = (rcScroll.bottom-rcScroll.top) - rcScrollClient.bottom;
scroll_width = DibWidth(credits_pdib);
scroll_height = rcScrollClient.bottom;
SetWindowPos(hwndScroll,NULL,0,0,xEdge + scroll_width,rcScroll.bottom - rcScroll.top,SWP_NOZORDER|SWP_NOMOVE);
SetWindowPos(hDlg,NULL,0,0,xEdge + sideBuffer*2 + scroll_width,rcDlg.bottom - rcDlg.top,SWP_NOZORDER|SWP_NOMOVE);
GetWindowRect(hDlg, &rcDlg);
GetClientRect(hDlg, &rcDlgClient);
// Center windows horizontally
CenterDlgItem(hDlg, IDC_NUMBER);
CenterDlgItem(hDlg, IDC_SPECIAL1);
CenterDlgItem(hDlg, IDC_SPECIAL2);
CenterDlgItem(hDlg, IDC_SCROLL);
CenterDlgItem(hDlg, IDOK);
hAboutDlg = hDlg;
CenterWindow(hDlg, GetParent(hDlg));
GetDlgItemText(hDlg, IDC_NUMBER, format, 80);
sprintf(buffer, format, MAJOR_REV*100+MINOR_REV);
SetDlgItemText(hDlg, IDC_NUMBER, buffer);
if (config.technical)
{
sprintf(buffer, "Client Software Version %d:%d", MAJOR_REV, MINOR_REV);
SetDlgItemText(hDlg, IDC_SPECIAL1, buffer);
sprintf(buffer, "Server Host Address %s:%d",
(LPCTSTR)config.comm.hostname, config.comm.sockport);
SetDlgItemText(hDlg, IDC_SPECIAL2, buffer);
}
GetWindowRect(GetDlgItem(hDlg,IDC_SPECIAL2),&r);
pt.x = r.left + (r.right-r.left)/2 - DUDE_AREA_WIDTH/2;
pt.y = r.bottom + 10;
ScreenToClient(hDlg,&pt);
scroll_y = 0;
dude_x = pt.x;
dude_y = pt.y;
gbits_width = max(scroll_width, DUDE_AREA_WIDTH);
gbits_height = max(scroll_height, DUDE_MAX_HEIGHT);
gDC = CreateMemBitmap(gbits_width, gbits_height, &gOldBitmap, &gBits);
if (gDC == 0)
debug(("AboutInitDialog couldn't create DC!\n"));
timer_id = SetTimer(hDlg, TIMER_ABOUT, ABOUT_INTERVAL, NULL);
if (state == STATE_GAME)
{
// Set up animated characters
for (i=0; i < NUM_DUDES; i++)
{
object_node *obj;
obj = dudes[i].obj = ObjectGetBlank();
obj->icon_res = ABOUT_RSC;
obj->animate->animation = ANIMATE_NONE;
if (i == 0)
{
dudes[i].angle = 3 * NUMDEGREES / 4;
dudes[i].x = DUDE_X1;
}
else
{
dudes[i].angle = NUMDEGREES / 4;
dudes[i].x = DUDE_X2;
}
}
}
CenterWindow(hDlg, GetParent(hDlg));
return TRUE;
}
/*
* WriteBGFFile: Write Bitmaps and Options structures out to given filename.
* Return FALSE on error.
*/
BOOL WriteBGFFile(Bitmaps *b, Options *opts, char *filename)
{
int i, j, temp, max_indices, len;
Group *g;
file_node f;
len = EstimateBGFFileSize(b);
if (!MappedFileOpenWrite(filename, &f, len))
return FALSE;
// Write magic number
for (i=0; i < 4; i++)
if (MappedFileWrite(&f, &magic[i], 1) < 0) return FALSE;
// Write version
temp = VERSION;
if (MappedFileWrite(&f, &temp, 4) < 0) return FALSE;
// Write bitmap name
if (MappedFileWrite(&f, &b->name, MAX_BITMAPNAME) < 0) return FALSE;
// Write # of bitmaps
if (MappedFileWrite(&f, &b->num_bitmaps, 4) < 0) return FALSE;
// Write # of index groups
if (MappedFileWrite(&f, &b->num_groups, 4) < 0) return FALSE;
// Find most indices in a group
max_indices = 0;
for (i=0; i < b->num_groups; i++)
if (b->groups[i].num_indices > max_indices)
max_indices = b->groups[i].num_indices;
if (MappedFileWrite(&f, &max_indices, 4) < 0) return FALSE;
// Write shrink factor
if (MappedFileWrite(&f, &opts->shrink, 4) < 0) return FALSE;
// Write out bitmaps
for (i=0; i < b->num_bitmaps; i++)
{
PDIB pdib = b->bitmaps[i];
// Write out bitmap size (swap width and height if rotated)
if (opts->rotate)
{
temp = DibHeight(pdib);
if (MappedFileWrite(&f, &temp, 4) < 0) return FALSE;
temp = DibWidth(pdib);
if (MappedFileWrite(&f, &temp, 4) < 0) return FALSE;
}
else
{
temp = DibWidth(pdib);
if (MappedFileWrite(&f, &temp, 4) < 0) return FALSE;
temp = DibHeight(pdib);
if (MappedFileWrite(&f, &temp, 4) < 0) return FALSE;
}
// Write out x and y offsets
temp = b->offsets[i].x;
if (MappedFileWrite(&f, &temp, 4) < 0) return FALSE;
temp = b->offsets[i].y;
if (MappedFileWrite(&f, &temp, 4) < 0) return FALSE;
// Write out hotspots
if (MappedFileWrite(&f, &b->hotspots[i].num_hotspots, 1) < 0) return FALSE;
for (j=0; j < b->hotspots[i].num_hotspots; j++)
{
if (MappedFileWrite(&f, &b->hotspots[i].numbers[j], 1) < 0) return FALSE;
if (MappedFileWrite(&f, &b->hotspots[i].positions[j].x, 4) < 0) return FALSE;
if (MappedFileWrite(&f, &b->hotspots[i].positions[j].y, 4) < 0) return FALSE;
}
// Write out the bytes of the bitmap
if (!WriteBitmap(&f, pdib, opts)) return FALSE;
}
// Write out indices
for (i=0; i < b->num_groups; i++)
{
g = &b->groups[i];
if (MappedFileWrite(&f, &g->num_indices, 4) < 0) return FALSE;
for (j=0; j < g->num_indices; j++)
if (MappedFileWrite(&f, &g->indices[j], 4) < 0) return FALSE;
}
UnmapViewOfFile(f.mem);
CloseHandle(f.mapfh);
SetFilePointer(f.fh, (f.ptr - f.mem), NULL, FILE_BEGIN);
SetEndOfFile(f.fh);
CloseHandle(f.fh);
return TRUE;
}
/*
* WriteBitmap: Write bytes of given PDIB out to given file.
* Return FALSE on error.
*/
BOOL WriteBitmap(file_node *f, PDIB pdib, Options *options)
{
int width, height, row, col, len, temp;
BYTE *bits;
BYTE *buf, *bufptr, byte;
width = DibWidth(pdib);
height = DibHeight(pdib);
buf = (BYTE *) malloc(width * height);
bufptr = buf;
if (options->rotate)
{
for (col=0; col < width; col++)
{
bits = (BYTE *) DibPtr(pdib) + col;
for (row = 0; row < height; row++)
{
*bufptr++ = *bits;
bits += DibWidthBytes(pdib);
}
}
}
else
{
for (row=0; row < height; row++)
{
// Watch out--rows are 4-bytes aligned
bits = (BYTE *) DibPtr(pdib) + row * DibWidthBytes(pdib);
memcpy(bufptr, bits, width);
bufptr += width;
}
}
// Leave space for # of bytes
if (options->compress)
{
len = WrapCompress((char *) buf, f->ptr + 5, width * height);
if (len > 0)
{
byte = 1;
// Save compressed length
MappedFileWrite(f, &byte, 1);
MappedFileWrite(f, &len, 4);
f->ptr += len;
}
}
else len = -1;
if (len < 0)
{
byte = 0;
MappedFileWrite(f, &byte, 1);
temp = 0;
MappedFileWrite(f, &temp, 4);
// Buffer is incompressible; just write out bits themselves
MappedFileWrite(f, buf, width * height);
}
free(buf);
return True;
}
/*
* IntroShowSplash: Display splash screen.
*/
void IntroShowSplash(void)
{
RECT rect;
BYTE *gTitleBits;
int i;
Bitmaps b;
PDIB pdib;
if (cinfo->config->quickstart)
{
OfflineConnect();
return;
}
if (showing_splash)
return;
showing_splash = True;
IntroFreeLogo();
hwndDialButton = CreateWindow("button", NULL,
WS_CHILD | WS_VISIBLE,
0, 0, 0, 0, cinfo->hMain, (HMENU) IDC_DIALBUTTON,
hInst, NULL);
SetWindowText(hwndDialButton, GetString(hInst, IDS_INTRO));
/* Subclass button */
lpfnDefButtonProc = SubclassWindow(hwndDialButton, MainButtonProc);
/* Get bits of bitmap from bgf file */
if (DibOpenFile(splash_filename, &b))
{
pdib = BitmapsGetPdibByIndex(b, 0);
/* Get bitmap's size */
bm_width = DibWidth(pdib);
bm_height = DibHeight(pdib);
/* Create bitmap */
hTitleDC = CreateMemBitmap(bm_width, bm_height, &hOldTitleBitmap, &gTitleBits);
if (hTitleDC == NULL)
{
debug(("IntroShowSplash couldn't create bitmap!\n"));
BitmapsFree(&b);
return;
}
/* Copy bits into bitmap */
for (i=0; i < bm_height; i++)
memcpy(gTitleBits + i * DIBWIDTH(bm_width), DibPtr(pdib) + i * bm_width, bm_width);
BitmapsFree(&b);
}
else
{
hTitleDC = NULL;
bm_width = BUTTON_XSIZE;
}
button_width = bm_width;
button_height = BUTTON_YSIZE;
/* Simulate resize to get positions right */
GetClientRect(cinfo->hMain, &rect);
EventResize(rect.right, rect.bottom, NULL);
SetFocus(hwndDialButton);
timer_id = SetTimer(NULL, 0, MUSIC_DELAY, PlayMusicProc);
}
HDIB DibConvert (HDIB hdibSrc, int iBitCountDst)
{
HDIB hdibDst ;
HPALETTE hPalette ;
int i, x, y, cx, cy, iBitCountSrc, cColors ;
PALETTEENTRY pe ;
RGBQUAD rgb ;
WORD wNumEntries ;
cx = DibWidth (hdibSrc) ;
cy = DibHeight (hdibSrc) ;
iBitCountSrc = DibBitCount (hdibSrc) ;
if (iBitCountSrc == iBitCountDst)
return NULL ;
// DIB with color table to DIB with larger color table:
if ((iBitCountSrc < iBitCountDst) && (iBitCountDst <= 8))
{
cColors = DibNumColors (hdibSrc) ;
hdibDst = DibCreate (cx, cy, iBitCountDst, cColors) ;
for (i = 0 ; i < cColors ; i++)
{
DibGetColor (hdibSrc, i, &rgb) ;
DibSetColor (hdibDst, i, &rgb) ;
}
for (x = 0 ; x < cx ; x++)
for (y = 0 ; y < cy ; y++)
{
DibSetPixel (hdibDst, x, y, DibGetPixel (hdibSrc, x, y)) ;
}
}
// Any DIB to DIB with no color table
else if (iBitCountDst >= 16)
{
hdibDst = DibCreate (cx, cy, iBitCountDst, 0) ;
for (x = 0 ; x < cx ; x++)
for (y = 0 ; y < cy ; y++)
{
DibGetPixelColor (hdibSrc, x, y, &rgb) ;
DibSetPixelColor (hdibDst, x, y, &rgb) ;
}
}
// DIB with no color table to 8-bit DIB
else if (iBitCountSrc >= 16 && iBitCountDst == 8)
{
hPalette = DibPalMedianCut (hdibSrc, 6) ;
GetObject (hPalette, sizeof (WORD), &wNumEntries) ;
hdibDst = DibCreate (cx, cy, 8, wNumEntries) ;
for (i = 0 ; i < (int) wNumEntries ; i++)
{
GetPaletteEntries (hPalette, i, 1, &pe) ;
rgb.rgbRed = pe.peRed ;
rgb.rgbGreen = pe.peGreen ;
rgb.rgbBlue = pe.peBlue ;
rgb.rgbReserved = 0 ;
DibSetColor (hdibDst, i, &rgb) ;
}
for (x = 0 ; x < cx ; x++)
for (y = 0 ; y < cy ; y++)
{
DibGetPixelColor (hdibSrc, x, y, &rgb) ;
DibSetPixel (hdibDst, x, y,
GetNearestPaletteIndex (hPalette,
RGB (rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue))) ;
}
DeleteObject (hPalette) ;
}
// Any DIB to monochrome DIB
else if (iBitCountDst == 1)
{
hdibDst = DibCreate (cx, cy, 1, 0) ;
hPalette = DibPalUniformGrays (2) ;
for (i = 0 ; i < 2 ; i++)
{
GetPaletteEntries (hPalette, i, 1, &pe) ;
rgb.rgbRed = pe.peRed ;
rgb.rgbGreen = pe.peGreen ;
rgb.rgbBlue = pe.peBlue ;
rgb.rgbReserved = 0 ;
DibSetColor (hdibDst, i, &rgb) ;
}
for (x = 0 ; x < cx ; x++)
for (y = 0 ; y < cy ; y++)
{
DibGetPixelColor (hdibSrc, x, y, &rgb) ;
DibSetPixel (hdibDst, x, y,
GetNearestPaletteIndex (hPalette,
RGB (rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue))) ;
}
DeleteObject (hPalette) ;
}
// All non-monochrome DIBs to 4-bit DIB
else if (iBitCountSrc >= 8 && iBitCountDst == 4)
{
hdibDst = DibCreate (cx, cy, 4, 0) ;
hPalette = DibPalVga () ;
for (i = 0 ; i < 16 ; i++)
{
GetPaletteEntries (hPalette, i, 1, &pe) ;
rgb.rgbRed = pe.peRed ;
rgb.rgbGreen = pe.peGreen ;
rgb.rgbBlue = pe.peBlue ;
rgb.rgbReserved = 0 ;
DibSetColor (hdibDst, i, &rgb) ;
}
for (x = 0 ; x < cx ; x++)
for (y = 0 ; y < cy ; y++)
{
DibGetPixelColor (hdibSrc, x, y, &rgb) ;
DibSetPixel (hdibDst, x, y,
GetNearestPaletteIndex (hPalette,
RGB (rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue))) ;
}
DeleteObject (hPalette) ;
}
// Should not be necessary
else
hdibDst = NULL ;
return hdibDst ;
}