// Set the map file used to draw.
public void SetMapFile(MapType newMapType, string newFilename)
{
this.mapType = newMapType;
this.filename = newFilename;
this.bitmap = null;
this.map = null;
if (newMapType == MapType.None)
{
map = null;
mapVersion = new MapFileFormat(MapFileFormatKind.None, 0);
bitmap = null;
pdfMapFile = null;
}
else if (newMapType == MapType.OCAD)
{
map = new Map(MapUtil.TextMetricsProvider, new GDIPlus_FileLoader(Path.GetDirectoryName(newFilename)));
mapVersion = InputOutput.ReadFile(newFilename, map);
bitmap = null;
pdfMapFile = null;
}
else if (newMapType == MapType.Bitmap)
{
map = null;
mapVersion = new MapFileFormat(MapFileFormatKind.None, 0);
Bitmap bm = (Bitmap)Image.FromFile(newFilename);
bitmap = new GDIPlus_Bitmap(bm);
bitmapDpi = bm.HorizontalResolution;
pdfMapFile = null;
}
else if (newMapType == MapType.PDF)
{
string errorText;
map = null;
mapVersion = new MapFileFormat(MapFileFormatKind.None, 0);
Size bitmapSize;
pdfMapFile = MapUtil.ValidatePdf(newFilename, out bitmapDpi, out bitmapSize, out errorText);
if (pdfMapFile == null)
{
this.mapType = MapType.None;
bitmap = null;
}
else
{
Bitmap bm = (Bitmap)Image.FromFile(pdfMapFile.PngFileName);
bitmap = new GDIPlus_Bitmap(bm);
}
}
else
{
Debug.Fail("bad maptype");
}
UpdateDimmedBitmap();
RaiseChanged(null); // redraw everything.
}
public static PdfMapFile ValidatePdf(string pdfFileName, out float dpi, out Size bitmapSize, out string errorMessageText)
{
IPdfLoadingStatus loadingStatus = new PdfLoadingUI(); // UNDONE: Should this be passed in instead?
PdfMapFile mapFile = new PdfMapFile(pdfFileName);
bool ok = true;
PdfMapFile.ConversionStatus status = mapFile.BeginConversion();
if (status == PdfMapFile.ConversionStatus.Working) {
// Put up a modal dialog until loading is complete.
mapFile.ConversionCompleted += delegate {
loadingStatus.LoadingComplete(mapFile.Status == PdfMapFile.ConversionStatus.Success, mapFile.ConversionOutput);
};
if (status == PdfMapFile.ConversionStatus.Working) {
ok = loadingStatus.ShowLoadingStatus(pdfFileName);
}
}
status = mapFile.Status;
if (!ok || status == PdfMapFile.ConversionStatus.Failure) {
errorMessageText = MiscText.PdfConversionFailed;
if (!string.IsNullOrWhiteSpace(mapFile.ConversionOutput))
errorMessageText += ": " + mapFile.ConversionOutput;
dpi = 0;
bitmapSize = default(Size);
return null;
}
// Make sure resulting image file can be read.
try {
Bitmap bitmap = (Bitmap)Image.FromFile(mapFile.PngFileName);
dpi = bitmap.HorizontalResolution;
bitmapSize = bitmap.Size;
bitmap.Dispose();
errorMessageText = "";
return mapFile;
}
catch {
// Couldn't read the resulting PNG
errorMessageText = string.Format(MiscText.PdfResultNotReadable, mapFile.PngFileName);
dpi = 0;
bitmapSize = default(Size);
return null;
}
}
// Set the map file used to draw.
public void SetMapFile(MapType newMapType, string newFilename)
{
this.mapType = newMapType;
this.filename = newFilename;
this.bitmap = null;
this.map = null;
if (newMapType == MapType.None) {
map = null;
mapVersion = new MapFileFormat(MapFileFormatKind.None, 0);
bitmap = null;
pdfMapFile = null;
}
else if (newMapType == MapType.OCAD) {
map = new Map(MapUtil.TextMetricsProvider, new GDIPlus_FileLoader(Path.GetDirectoryName(newFilename)));
mapVersion = InputOutput.ReadFile(newFilename, map);
bitmap = null;
pdfMapFile = null;
}
else if (newMapType == MapType.Bitmap) {
map = null;
mapVersion = new MapFileFormat(MapFileFormatKind.None, 0);
Bitmap bm = (Bitmap)Image.FromFile(newFilename);
bitmap = new GDIPlus_Bitmap(bm);
bitmapDpi = bm.HorizontalResolution;
pdfMapFile = null;
}
else if (newMapType == MapType.PDF) {
string errorText;
map = null;
mapVersion = new MapFileFormat(MapFileFormatKind.None, 0);
Size bitmapSize;
pdfMapFile = MapUtil.ValidatePdf(newFilename, out bitmapDpi, out bitmapSize, out errorText);
if (pdfMapFile == null) {
this.mapType = MapType.None;
bitmap = null;
}
else {
Bitmap bm = (Bitmap)Image.FromFile(pdfMapFile.PngFileName);
bitmap = new GDIPlus_Bitmap(bm);
}
}
else {
Debug.Fail("bad maptype");
}
UpdateDimmedBitmap();
RaiseChanged(null); // redraw everything.
}
public static PdfMapFile ValidatePdf(string pdfFileName, out float dpi, out Size bitmapSize, out string errorMessageText)
{
IPdfLoadingStatus loadingStatus = new PdfLoadingUI(); // UNDONE: Should this be passed in instead?
PdfMapFile mapFile = new PdfMapFile(pdfFileName);
bool ok = true;
PdfMapFile.ConversionStatus status = mapFile.BeginConversion();
if (status == PdfMapFile.ConversionStatus.Working) {
// Put up a modal dialog until loading is complete.
mapFile.ConversionCompleted += delegate {
loadingStatus.LoadingComplete(mapFile.Status == PdfMapFile.ConversionStatus.Success, mapFile.ConversionOutput);
};
if (status == PdfMapFile.ConversionStatus.Working) {
ok = loadingStatus.ShowLoadingStatus(pdfFileName);
}
}
status = mapFile.Status;
if (!ok || status == PdfMapFile.ConversionStatus.Failure) {
errorMessageText = MiscText.PdfConversionFailed;
if (!string.IsNullOrWhiteSpace(mapFile.ConversionOutput))
errorMessageText += ": " + mapFile.ConversionOutput;
dpi = 0;
bitmapSize = default(Size);
return null;
}
// Make sure resulting image file can be read.
try {
Bitmap bitmap = (Bitmap)Image.FromFile(mapFile.PngFileName);
dpi = bitmap.HorizontalResolution;
bitmapSize = bitmap.Size;
bitmap.Dispose();
errorMessageText = "";
return mapFile;
}
catch {
// Couldn't read the resulting PNG
errorMessageText = string.Format(MiscText.PdfResultNotReadable, mapFile.PngFileName);
dpi = 0;
bitmapSize = default(Size);
return null;
}
}
