int
GRect::recthull(const GRect &rect1, const GRect &rect2)
{
if (rect1.isempty())
{
xmin = rect2.xmin;
xmax = rect2.xmax;
ymin = rect2.ymin;
ymax = rect2.ymax;
return !isempty();
}
if (rect2.isempty())
{
xmin = rect1.xmin;
xmax = rect1.xmax;
ymin = rect1.ymin;
ymax = rect1.ymax;
return !isempty();
}
xmin = imin(rect1.xmin, rect2.xmin);
xmax = imax(rect1.xmax, rect2.xmax);
ymin = imin(rect1.ymin, rect2.ymin);
ymax = imax(rect1.ymax, rect2.ymax);
return 1;
}
int
operator==(const GRect & r1, const GRect & r2)
{
bool isempty1 = r1.isempty();
bool isempty2 = r2.isempty();
if (isempty1 || isempty2)
if (isempty1 && isempty2)
return 1;
if ( r1.xmin==r2.xmin && r1.xmax==r2.xmax
&& r1.ymin==r2.ymin && r1.ymax==r2.ymax )
return 1;
return 0;
}
void
create_fgbz_chunk(IFFByteStream &iff)
{
int nzones = g().colorzones.size();
int npalette = g().colorpalette->size() / 3;
GP<DjVuPalette> pal = DjVuPalette::create();
g().colorpalette->seek(0);
pal->decode_rgb_entries(*g().colorpalette, npalette);
pal->colordata.resize(0,blit_count-1);
for (int d=0; d<blit_count; d++)
{
JB2Blit *blit = g().stencil->get_blit(d);
const JB2Shape &shape = g().stencil->get_shape(blit->shapeno);
GRect brect(blit->left, blit->bottom, shape.bits->columns(), shape.bits->rows());
int index = nzones;
for (int i=0; i<nzones; i++)
{
GRect zrect = g().colorzones[i];
if (zrect.isempty() || zrect.intersect(brect, zrect))
index = i;
}
if (index >= npalette)
G_THROW("create_fgbz_chunk: internal error");
pal->colordata[d] = index;
}
iff.put_chunk("FGbz");
pal->encode(iff.get_bytestream());
iff.close_chunk();
}
void
GRectMapper::set_output(const GRect &rect)
{
if (rect.isempty())
G_THROW( ERR_MSG("GRect.empty_rect2") );
rectTo = rect;
rw = rh = GRatio();
}
void
GRectMapper::set_input(const GRect &rect)
{
if (rect.isempty())
G_THROW( ERR_MSG("GRect.empty_rect1") );
rectFrom = rect;
if (code & SWAPXY)
{
iswap(rectFrom.xmin, rectFrom.ymin);
iswap(rectFrom.xmax, rectFrom.ymax);
}
rw = rh = GRatio();
}
void
parse_color_zones(const char *s)
{
bool fullpage = false;
int zones = 0;
g().colorzones.empty();
g().colorpalette = ByteStream::create();
// zones
while (s[0] == '#')
{
char rgb[3];
GRect rect;
s = parse_color_name(s+1, rgb);
if (s[0] == ':')
{
int c[4];
for (int i=0; i<4; i++)
{
char *e = 0;
c[i] = strtol(s+1, &e, 10);
if (e <= s || (i>=2 && c[i]<0) || (i<3 && e[0]!=','))
G_THROW("Invalid coordinates in FGbz chunk specification");
s = e;
}
rect = GRect(c[0],c[1],c[2],c[3]);
}
if (rect.isempty())
fullpage = true;
g().colorpalette->writall(rgb, 3);
g().colorzones.touch(zones);
g().colorzones[zones] = rect;
zones++;
}
if (s[0])
G_THROW("Syntax error in FGbz chunk specification");
// add extra black palette entry
if (! fullpage)
{
char rgb[3] = {0,0,0};
g().colorpalette->writall(rgb, 3);
}
}
void
QDBase::eraseMapAreas(bool search_results_too, bool allow_draw)
{
DEBUG_MSG("QDBase::eraseMapAreas(): Erasing the map areas\n");
DEBUG_MAKE_INDENT(3);
GRect grect;
grect.intersect(rectDocument, rectVisible);
for(GPosition pos=map_areas;pos;)
{
GP<MapArea> ma=map_areas[pos];
if (search_results_too || ma->getComment()!=search_results_name)
{
GPosition this_pos=pos;
++pos;
map_areas.del(this_pos);
if (!grect.isempty() && allow_draw) ma->repaint();
} else ++pos;
}
cur_map_area=0;
delete map_area_tip; map_area_tip=0;
}
