void TopLevel::newPage(){
if(!display_is_setup)
SetupDisplay();
XDefineCursor(qtdisplay, Win, WorkCursor);
XFlush(qtdisplay);
freeImages();
int k = -1;
if(!thispage) {
XDefineCursor(qtdisplay, Win, ReadyCursor);
return;
}
if (Pimage(thispage) == NULL){
while((k != 0) && (k != 3) && (k !=1))
k = GetImage(thispage);
}
if (k == 3 ){
XDefineCursor(qtdisplay, Win, ReadyCursor);
FreeFax();
/* KMessageBox::sorry(i18n("Bad fax file k=3"));*/
return;
}
if (k == 0 ){
XDefineCursor(qtdisplay, Win, ReadyCursor);
FreeFax();
/* KMessageBox::sorry(i18n("Bad fax file k=0"));*/
return;
}
Image = Images[0] = Pimage(thispage);
setCaption(QFile::decodeName(thispage->name));
Image = generateZoomImages(oz);
PaneWidth = Image->width;
PaneHeight = Image->height;
Refresh = 1;
XDefineCursor(qtdisplay, Win, ReadyCursor);
uiUpdate();
}
/* Change orientation of all following pages */
void TurnFollowing(int How, struct pagenode *pn)
{
while (pn) {
if (Pimage(pn)) {
FreeImage(Pimage(pn));
pn->extra = NULL;
}
pn->orient ^= How;
pn = pn->next;
}
}
static void
drawline(pixnum *run, int LineNum, struct pagenode *pn)
{
t32bits *p, *p1; /* p - current line, p1 - low-res duplicate */
pixnum *r; /* pointer to run-lengths */
t32bits pix; /* current pixel value */
t32bits acc; /* pixel accumulator */
int nacc; /* number of valid bits in acc */
int tot; /* total pixels in line */
int n;
LineNum += pn->stripnum * pn->rowsperstrip;
p = (t32bits *) (Pimage(pn)->data + LineNum*(2-pn->vres)*Pimage(pn)->bytes_per_line);
p1 =(t32bits *)( pn->vres ? NULL : p + Pimage(pn)->bytes_per_line/sizeof(*p));
r = run;
acc = 0;
nacc = 0;
pix = pn->inverse ? ~0 : 0;
tot = 0;
while (tot < pn->width) {
n = *r++;
tot += n;
if (pix)
acc |= (~(t32bits)0 >> nacc);
else if (nacc)
acc &= (~(t32bits)0 << (32 - nacc));
else
acc = 0;
if (nacc + n < 32) {
nacc += n;
pix = ~pix;
continue;
}
*p++ = acc;
if (p1)
*p1++ = acc;
n -= 32 - nacc;
while (n >= 32) {
n -= 32;
*p++ = pix;
if (p1)
*p1++ = pix;
}
acc = pix;
nacc = n;
pix = ~pix;
}
void TopLevel::FreeFax()
{
if(display_is_setup)
XClearWindow(qtdisplay, Win);
freeImages();
pagenode *pn;
for (pn = firstpage; pn; pn = pn->next){
if(Pimage(pn)){
FreeImage(Pimage(pn));
pn->extra = NULL;
}
}
Image = NULL;
for (pn = firstpage; pn; pn = pn->next){
if(pn->pathname){
free(pn->pathname);
}
}
if(firstpage){
for(pn = firstpage->next; pn; pn = pn->next){
if(pn->prev){
free(pn->prev);
}
}
}
if(lastpage)
free(lastpage);
firstpage = lastpage = viewpage = thispage = auxpage = NULL;
uiUpdate();
}
bool TopLevel::loadAllPages( int &numpages, int ¤tpage )
{
struct pagenode *pn;
numpages = 0;
currentpage = 1;
for(pn = firstpage; pn; pn = pn->next) {
++numpages;
if (pn == thispage)
currentpage = numpages;
if (!Pimage(pn)) {
int k = -1;
while((k != 0) && (k != 3) && (k != 1))
k = GetImage(pn); // fetch image if it is not available yet.
}
}
return (numpages != 0);
}
void TopLevel::printIt( KPrinter &printer, QPainter &painter )
{
QPaintDeviceMetrics dm(painter.device());
QApplication::setOverrideCursor( waitCursor );
kapp->processEvents();
const bool fullpage = printer.option(APP_KFAX_SCALE_FULLPAGE) == "true";
const bool center_h = printer.option(APP_KFAX_CENTER_HORZ) == "true";
const bool center_v = printer.option(APP_KFAX_CENTER_VERT) == "true";
int currentpage = 0;
bool first_page_printed = false;
struct pagenode *pn;
for(pn = firstpage; pn; pn = pn->next) {
++currentpage;
// should this page be printed ?
if (printer.pageList().findIndex(currentpage) < 0)
continue;
XImage *Image = Pimage(pn);
if (!Image)
continue;
// byte-swapping the image
QByteArray bytes( Image->height*Image->bytes_per_line );
for (int y=Image->height-1; y>=0; --y) {
Q_UINT32 offset = y*Image->bytes_per_line;
Q_UINT32 *source = (Q_UINT32 *) (Image->data + offset);
Q_UINT32 *dest = (Q_UINT32 *) (bytes.data() + offset);
for (int x=(Image->bytes_per_line/4)-1; x>=0; --x) {
Q_UINT32 dv = 0, sv = *source;
for (int bit=32; bit>0; --bit) {
dv <<= 1;
dv |= sv&1;
sv >>= 1;
}
*dest = dv;
++dest;
++source;
}
}
QImage image( (uchar *)bytes.data(), Image->bytes_per_line*8, Image->height, 1, NULL, 2, QImage::LittleEndian);
if (first_page_printed)
printer.newPage();
first_page_printed = true;
const QSize printersize( dm.width(), dm.height() );
kdDebug() << "Printersize = " << printersize << endl;
// print Image in original size if possible, else scale it.
const QSize size( // logical size of the image
Image->width * dm.logicalDpiX() / pn->dpiX,
Image->height * dm.logicalDpiY() / pn->dpiY
);
kdDebug() << "Org image size = " << Image->width << "x" << Image->height
<< " logical picture res = " << pn->dpiX << "x" << pn->dpiY << endl;
kdDebug() << "New image size = " << size
<< " logical printer res = " << dm.logicalDpiX() << "x" << dm.logicalDpiY() << endl;
uint top, left, bottom, right;
if (fullpage)
top = left = bottom = right = 0;
else
printer.margins( &top, &left, &bottom, &right );
kdDebug() << "Margins = " << top << " " << left << " " << bottom << " " << right << endl;
const QSize maxSize( printersize.width()-left-right, printersize.height()-top-bottom );
QSize scaledImageSize = size;
if (size.width() > maxSize.width() || size.height() > maxSize.height() ) {
// Image does not fit - scale it and print centered
scaledImageSize.scale( maxSize, QSize::ScaleMin );
kdDebug() << "Image does not fit - scaling to " << maxSize << endl;
} else {
// Image does fit - print it in original size, but centered
scaledImageSize.scale( size, QSize::ScaleMin );
kdDebug() << "Image does fit - scaling to " << size << endl;
}
kdDebug() << "Final image size " << scaledImageSize << endl;
int x,y;
if (center_h)
x = (maxSize.width()-scaledImageSize.width())/2 + left;
else
x = left;
if (center_v)
y = (maxSize.height()-scaledImageSize.height())/2 + top;
else
y = top;
painter.drawImage( QRect(x,y,scaledImageSize.width(), scaledImageSize.height()), image );
}
QApplication::restoreOverrideCursor();
}
