void
BitmapImage::PixmapComplete ()
{
MoonPixbuf *pixbuf;
SetProgress (1.0);
if (!loader) {
if (!moon_error)
moon_error = new MoonError (MoonError::EXCEPTION, 4001, "no loader");
goto failed;
}
loader->Close (moon_error == NULL ? &moon_error : NULL);
if (moon_error)
goto failed;
if (!(pixbuf = loader->GetPixbuf ())) {
moon_error = new MoonError (MoonError::EXCEPTION, 4001, "failed to create image data");
goto failed;
}
SetPixelWidth (pixbuf->GetWidth ());
SetPixelHeight (pixbuf->GetHeight ());
// PixelFormat has been dropped and only Pbgra32 is supported
// http://blogs.msdn.com/silverlight_sdk/archive/2009/07/01/breaking-changes-document-errata-silverlight-3.aspx
// not clear if '3' channel is still supported (converted to 4) in SL3
if (pixbuf->GetNumChannels () == 4) {
SetBitmapData (premultiply_rgba (pixbuf), true);
} else {
SetBitmapData (expand_rgb_to_argb (pixbuf), true);
}
Invalidate ();
delete loader;
loader = NULL;
if (HasHandlers (ImageOpenedEvent))
Emit (ImageOpenedEvent, new RoutedEventArgs ());
return;
failed:
ImageErrorEventArgs *args = NULL;
if (HasHandlers (ImageFailedEvent))
args = new ImageErrorEventArgs (*moon_error);
CleanupLoader ();
if (args)
Emit (ImageFailedEvent, args);
}
void
BitmapSource::SetBitmapData (gpointer data, bool own_data)
{
if (data == NULL) {
SetPixelWidth (0.0);
SetPixelHeight (0.0);
}
if (this->data && this->own_data)
g_free (this->data);
this->own_data = own_data;
this->data = data;
}
void
BitmapImage::CleanupLoader ()
{
SetPixelWidth (0);
SetPixelHeight (0);
if (loader) {
loader->Close (NULL);
delete loader;
loader = NULL;
}
if (moon_error) {
delete moon_error;
moon_error = NULL;
}
}
gpointer
WriteableBitmap::InitializeFromBitmapSource (BitmapSource *source)
{
cairo_t *cr;
if (!source)
return NULL;
SetPixelHeight (source->GetPixelHeight ());
SetPixelWidth (source->GetPixelWidth ());
image_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, GetPixelWidth (), GetPixelHeight ());
cr = cairo_create (image_surface);
cairo_set_source_surface (cr, source->GetImageSurface (), 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
SetBitmapData (cairo_image_surface_get_data (image_surface), false);
return GetBitmapData ();
}
void CSvmDC::SetMapMode(TSvmMapMode & mapMode, bool prefered )
{
m_oMapMode = mapMode;
double dPixel = 1.;//
switch (GetMapModeUnit())
{
case MAP_MM: // 1 unit = 1 mm
{
dPixel = 1. * 72 / 25.4;
SetPixelWidth(dPixel);
SetPixelHeight(dPixel);
}break;
case MAP_CM: // 1 unit = 1 cm = 10 mm
{
dPixel = 10. * 72 / 25.4;
SetPixelWidth(dPixel);
SetPixelHeight(dPixel);
}break;
case MAP_100TH_MM:
{
dPixel = 1. * 72 / 2540.;
SetPixelWidth(dPixel);
SetPixelHeight(dPixel);
}break;
case MAP_10TH_MM:
{
dPixel = 1. * 72 / 254.;
SetPixelWidth(dPixel);
SetPixelHeight(dPixel);
}break;
case MAP_1000TH_INCH:
{
dPixel = 1. * 72 / 1000.;
SetPixelWidth(dPixel);
SetPixelHeight(dPixel);
}break;
case MAP_100TH_INCH:
{
dPixel = 1.* 72 / 100.;
SetPixelWidth(dPixel);
SetPixelHeight(dPixel);
}break;
case MAP_10TH_INCH:
{
dPixel = 1. * 72 / 10.;
SetPixelWidth(dPixel);
SetPixelHeight(dPixel);
}break;
case MAP_INCH: // 1 unit = 1 inch
{
dPixel = 1. * 72;
SetPixelWidth(dPixel);
SetPixelHeight(dPixel);
}break;
case MAP_POINT:
{
SetPixelWidth(1);
SetPixelHeight(1);
}break;
case MAP_TWIP: // 1 unit = 1/1440 inch
{
SetPixelWidth(0.05);
SetPixelHeight(0.05);
}break;
case MAP_PIXEL:
{
dPixel = 0.5;// /72.; //todooo
SetPixelWidth(dPixel);
SetPixelHeight(dPixel);
}break;
case MAP_SYSFONT:
case MAP_APPFONT:
//хз
break;
case MAP_RELATIVE:
SetPixelWidth(dPixel);
SetPixelHeight(dPixel);
break;
case MAP_LASTENUMDUMMY:
break;
}
if (prefered )
{
m_dPixelHeightPrefered = m_dPixelHeight;
m_dPixelWidthPrefered = m_dPixelWidth;
}
}