/// <summary>
/// liefert den einfachstmöglichen BitmapColorMode
/// </summary>
/// <param name="bm"></param>
/// <returns></returns>
protected BitmapColorMode GetMinBitmapColorMode(Bitmap bm)
{
bool bWithTransp, bWithAlpha;
Color[] coltab;
return(PixMap.AnalyseBitmap(bm, true, out coltab, out bWithTransp, out bWithAlpha));
}
/// <summary>
/// erzeugt eine Kopie des Bildes
/// </summary>
/// <param name="xpm"></param>
public PixMap(PixMap xpm)
{
data = new PixData(xpm.data);
Colormode = xpm.Colormode;
colColorTable = new Color[xpm.colColorTable.Length];
xpm.colColorTable.CopyTo(colColorTable, 0);
}
public GraphicElement(GraphicElement ge)
: this()
{
Type = ge.Type;
Subtype = ge.Subtype;
Text = new MultiText(ge.Text);
for (int i = 0; i < colDayColor.Length; i++)
{
colDayColor[i] = ge.colDayColor[i];
}
for (int i = 0; i < colNightColor.Length; i++)
{
colNightColor[i] = ge.colNightColor[i];
}
for (int i = 0; i < colFontColour.Length; i++)
{
colFontColour[i] = ge.colFontColour[i];
}
Options = ge.Options;
ExtOptions = ge.ExtOptions;
FontType = ge.FontType;
FontColType = ge.FontColType;
XBitmapDay = new PixMap(XBitmapDay);
XBitmapNight = new PixMap(XBitmapNight);
}
/// <summary>
/// setzt die Bitmaps (falls nicht null) mit dem einfachstmöglichen BitmapColorMode
/// </summary>
/// <param name="bmday"></param>
/// <param name="bmnight"></param>
/// <param name="bOnlyGarminColors">Die jeweils nächstgelegene Garminfarbe verwenden?</param>
public void SetBitmaps(Bitmap bmday, Bitmap bmnight, bool bOnlyGarminColors)
{
if (bmday == null)
{
throw new Exception("Wenigstens das Tag-Bitmap muß gesetzt werden.");
}
if (bmnight != null)
{
if (bmday.Width != bmnight.Width || bmday.Height != bmnight.Height)
{
throw new Exception("Beide Bitmaps müßen die gleiche Größe haben.");
}
}
if ((bmday.Width > 255 || bmday.Height > 255) ||
(bmnight != null && (bmnight.Width > 255 || bmnight.Height > 255)))
{
throw new Exception("Das Bitmap darf höchstens 255x255 groß sein.");
}
BitmapColorMode cm = GetMinBitmapColorMode(GetMinBitmapColorMode(bmday), GetMinBitmapColorMode(bmnight));
ColormodeDay = cm;
if (bmday != null) // sonst bleibt das alte bestehen
{
XBitmapDay = new PixMap(bmday, ColormodeDay);
if (bOnlyGarminColors)
{
for (uint i = 0; i < XBitmapDay.Colors; i++)
{
XBitmapDay.SetNewColor(i, GraphicElement.GetNearestGarminColor(XBitmapDay.GetColor(i)));
}
}
}
if (bmnight != null)
{
XBitmapNight = new PixMap(bmnight, ColormodeDay);
WithNightXpm = true;
if (bOnlyGarminColors)
{
for (uint i = 0; i < XBitmapNight.Colors; i++)
{
XBitmapNight.SetNewColor(i, GraphicElement.GetNearestGarminColor(XBitmapNight.GetColor(i)));
}
}
}
else
{
XBitmapNight = null;
WithNightXpm = false;
}
Width = XBitmapDay.Width;
Height = XBitmapDay.Height;
}
public POI(uint iTyp, uint iSubtyp)
: base()
{
Type = iTyp;
Subtype = iSubtyp;
NightXpmHasData = true;
WithNightXpm = false;
nonvirtual_WithString = false;
nonvirtual_WithString = false;
XBitmapDay = new PixMap(16, 16, 2, BitmapColorMode.POI_ALPHA);
XBitmapNight = new PixMap(XBitmapDay);
ColormodeDay = XBitmapDay.Colormode;
}
public void Read(BinaryReaderWriter br)
{
try {
Options = br.ReadByte();
uint iWidth = br.ReadByte();
uint iHeight = br.ReadByte();
colsday = br.ReadByte();
ColormodeDay = (BitmapColorMode)br.ReadByte();
this.XBitmapDay = new PixMap(iWidth, iHeight, colsday, ColormodeDay, br);
if (WithNightXpm)
{
colsnight = br.ReadByte();
ColormodeNight = (BitmapColorMode)br.ReadByte();
if (!NightXpmHasData)
{
Color[] col = BinaryColor.ReadColorTable(br, colsnight);
XBitmapNight = new PixMap(XBitmapDay);
XBitmapNight.SetNewColors(col);
}
else
{
XBitmapNight = new PixMap(Width, Height, colsnight, ColormodeNight, br);
}
}
if (WithString)
{
Text = new MultiText(br);
}
if (WithExtendedOptions)
{
ExtOptions = br.ReadByte();
switch (FontColType)
{
case FontColours.Day:
colFontColour[0] = BinaryColor.ReadColor(br);
break;
case FontColours.Night:
colFontColour[1] = BinaryColor.ReadColor(br);
break;
case FontColours.DayAndNight:
colFontColour = BinaryColor.ReadColorTable(br, 2);
break;
}
}
} catch (Exception ex) {
throw new Exception(string.Format("Fehler beim Lesen des Punktes 0x{0:x} 0x{1:x}: {2}", Type, Subtype, ex.Message));
}
}
/// <summary>
/// setzt das Bitmap und die Farben neu
/// </summary>
/// <param name="typ"></param>
/// <param name="bmday"></param>
public void SetBitmap(PolylineType typ, Bitmap bmday)
{
if (bmday.Width != 32 || bmday.Height > 31)
{
throw new Exception("Das Bitmap muß 32 breit sein und darf höchstens 31 hoch sein.");
}
if (Polylinetype != typ)
{
Polylinetype = typ;
}
switch (Polylinetype)
{
case PolylineType.Day1_Night2:
case PolylineType.NoBorder_Day1:
case PolylineType.NoBorder_Day1_Night1:
XBitmapDay = new PixMap(bmday, BitmapColorMode.POLY1TR);
break;
case PolylineType.Day2:
case PolylineType.Day2_Night2:
case PolylineType.NoBorder_Day2_Night1:
XBitmapDay = new PixMap(bmday, BitmapColorMode.POLY2);
break;
}
BitmapHeight = (uint)bmday.Height;
DayColor1 = XBitmapDay.GetColor(0);
switch (typ)
{
case PolylineType.Day2:
case PolylineType.Day2_Night2:
case PolylineType.NoBorder_Day2_Night1:
DayColor2 = XBitmapDay.Colors > 1 ? XBitmapDay.GetColor(1) : Color.CornflowerBlue;
break;
}
switch (typ)
{
case PolylineType.NoBorder_Day1_Night1:
case PolylineType.NoBorder_Day2_Night1:
NightColor1 = DayColor1;
break;
case PolylineType.Day1_Night2:
case PolylineType.Day2_Night2:
base.NightColor1 = DayColor1;
base.NightColor2 = DayColor2;
break;
}
}
private PixMap GetDummyXPixMap(BitmapColorMode bcm, bool b4Day, PixMap old)
{
if (old != null)
{
if (old.Colormode != bcm)
{
switch (old.Colormode)
{
case BitmapColorMode.POLY1TR:
old.ChangeColorMode(BitmapColorMode.POLY2);
old.InvertBits();
old.SetNewColors(new Color[] { old.GetColor(0), Color.White }); // 2. Farbe einfach Weiß
break;
case BitmapColorMode.POLY2:
old.ChangeColorMode(BitmapColorMode.POLY1TR);
old.InvertBits();
old.SetNewColors(new Color[] { old.GetColor(0) });
break;
}
}
return(old);
}
PixMap pic = new PixMap(32, 32, 2, bcm);
if (b4Day)
{
pic.SetNewColor(0, DayColor1);
if (bcm == BitmapColorMode.POLY2)
{
pic.SetNewColor(1, DayColor2);
}
}
else
{
pic.SetNewColor(0, NightColor1);
if (bcm == BitmapColorMode.POLY2)
{
pic.SetNewColor(1, NightColor2);
}
}
return(pic);
}
/// <summary>
/// liefert das Bitmap
/// </summary>
/// <param name="b4Day">für Tag oder Nacht</param>
/// <returns></returns>
public Bitmap AsBitmap(bool b4Day)
{
if (b4Day && XBitmapDay != null)
{
PixMap tmp = new PixMap(XBitmapDay);
if (tmp.Colors > 0)
{
tmp.InvertBits();
}
return(tmp.AsBitmap());
}
if (!b4Day && XBitmapNight != null)
{
PixMap tmp = new PixMap(XBitmapNight);
if (tmp.Colors > 0)
{
tmp.InvertBits();
}
return(tmp.AsBitmap());
}
return(null);
}
/// <summary>
/// liefert das Bitmap (falls vorhanden)
/// </summary>
/// <param name="b4Day">für Tag oder Nacht</param>
/// <param name="bExt">auch "bitmaplose" Linie als Bitmap 32 x n</param>
/// <returns></returns>
public override Bitmap AsBitmap(bool b4Day, bool bExt)
{
Bitmap bm = null;
if (WithDayBitmap)
{
PixMap tmp = new PixMap(XBitmapDay);
// Das Bitmap hat bisher nur eine Dummyfarbe. Jetzt müßen noch die richtigen Farben gesetzt werden.
if (b4Day)
{
switch (Polylinetype)
{
case PolylineType.Day2:
case PolylineType.Day2_Night2:
case PolylineType.NoBorder_Day2_Night1:
tmp.SetNewColors(colDayColor);
break;
case PolylineType.Day1_Night2:
case PolylineType.NoBorder_Day1:
case PolylineType.NoBorder_Day1_Night1:
tmp.SetNewColor(0, colDayColor[0]);
break;
}
}
else
{
switch (Polylinetype)
{
case PolylineType.Day2:
case PolylineType.NoBorder_Day1:
tmp = null;
break;
case PolylineType.Day1_Night2:
case PolylineType.Day2_Night2:
tmp.SetNewColors(colNightColor);
break;
case PolylineType.NoBorder_Day2_Night1:
case PolylineType.NoBorder_Day1_Night1:
tmp.SetNewColor(0, colNightColor[0]);
break;
}
}
if (tmp != null)
{
bm = tmp.AsBitmap();
}
}
else
{
if (bExt)
{
bm = new Bitmap(32, (int)(InnerWidth + 2 * BorderWidth));
for (int y = 0; y < bm.Height; y++)
{
bool bBorder = y < BorderWidth || y >= (InnerWidth + BorderWidth);
Color col;
if (b4Day)
{
col = bBorder ? colDayColor[1] : colDayColor[0];
}
else
{
col = bBorder ? colNightColor[1] : colNightColor[0];
}
for (int x = 0; x < bm.Width; x++)
{
bm.SetPixel(x, y, col);
}
}
}
}
return(bm);
}
public void Read(BinaryReaderWriter br)
{
long startpos = br.BaseStream.Position;
try {
Options = br.ReadByte();
Options2 = br.ReadByte();
// Farben einlesen (1 bis max. 4)
switch (Polylinetype)
{
case PolylineType.Day2:
colDayColor = BinaryColor.ReadColorTable(br, 2);
break;
case PolylineType.Day2_Night2:
colDayColor = BinaryColor.ReadColorTable(br, 2);
colNightColor = BinaryColor.ReadColorTable(br, 2);
break;
case PolylineType.Day1_Night2:
colDayColor[0] = BinaryColor.ReadColor(br);
colNightColor = BinaryColor.ReadColorTable(br, 2);
break;
case PolylineType.NoBorder_Day2_Night1:
colDayColor = BinaryColor.ReadColorTable(br, 2);
colNightColor[0] = BinaryColor.ReadColor(br);
break;
case PolylineType.NoBorder_Day1:
colDayColor[0] = BinaryColor.ReadColor(br);
break;
case PolylineType.NoBorder_Day1_Night1:
colDayColor[0] = BinaryColor.ReadColor(br);
colNightColor[0] = BinaryColor.ReadColor(br);
break;
}
if (BitmapHeight == 0) // Linien- und Randbreite ermitteln
{
switch (Polylinetype)
{
case PolylineType.Day2:
case PolylineType.Day2_Night2:
case PolylineType.Day1_Night2:
InnerWidth = br.ReadByte();
if (InnerWidth > 0) // sonst Bitmap, also KEINE BorderWidth
{
BorderWidth = (br.ReadByte() - InnerWidth) / 2;
}
break;
case PolylineType.NoBorder_Day2_Night1:
case PolylineType.NoBorder_Day1:
case PolylineType.NoBorder_Day1_Night1:
InnerWidth = br.ReadByte(); // es folgt KEINE BorderWidth
break;
}
}
else // Bitmap einlesen (Höhe ist Thickness Pixel, Breite 32 Pixel, Dummyfarbe!)
{
XBitmapDay = new PixMap(32, BitmapHeight, new Color[1] {
Color.White
}, BitmapColorMode.POLY1TR, br);
}
if (WithString)
{
Text = new MultiText(br);
}
if (WithExtendedOptions)
{
ExtOptions = br.ReadByte();
switch (FontColType)
{
case FontColours.Day:
colFontColour[0] = BinaryColor.ReadColor(br);
break;
case FontColours.Night:
colFontColour[1] = BinaryColor.ReadColor(br);
break;
case FontColours.DayAndNight:
colFontColour = BinaryColor.ReadColorTable(br, 2);
break;
}
}
} catch (Exception ex) {
throw new Exception(string.Format("Fehler beim Lesen der Linie 0x{0:x} 0x{1:x}: {2}", Type, Subtype, ex.Message));
}
}
/// <summary>
/// setzt der oder die 32x32-Bitmaps für die Darstellung
/// </summary>
/// <param name="typ"></param>
/// <param name="bmday"></param>
/// <param name="bmnight"></param>
public void SetBitmaps(ColorType typ, Bitmap bmday, Bitmap bmnight = null)
{
if (bmday == null)
{
throw new Exception("Kein Bitmap angegeben.");
}
if (typ == ColorType.Day1 ||
typ == ColorType.Day1_Night1)
{
throw new Exception("Falscher Typ für eine Darstellung mit Bitmap.");
}
if (bmday.Width != 32 || bmday.Height != 32)
{
throw new Exception("Das Bitmap muß 32x32 groß sein.");
}
if (Colortype != typ)
{
Colortype = typ;
}
switch (typ)
{
case ColorType.BM_Day1:
case ColorType.BM_Day1_Night1:
case ColorType.BM_Day1_Night2:
XBitmapDay = new PixMap(bmday, BitmapColorMode.POLY1TR);
DayColor1 = XBitmapDay.GetColor(0);
break;
case ColorType.BM_Day2:
case ColorType.BM_Day2_Night1:
case ColorType.BM_Day2_Night2:
XBitmapDay = new PixMap(bmday, BitmapColorMode.POLY2);
DayColor1 = XBitmapDay.GetColor(0);
DayColor2 = XBitmapDay.GetColor(1);
break;
}
if (bmnight != null)
{
if (bmday.Width != bmnight.Width || bmday.Height != bmnight.Height)
{
throw new Exception("Beide Bitmaps müßen die gleiche Größe haben.");
}
switch (typ)
{
case ColorType.BM_Day1_Night1:
case ColorType.BM_Day2_Night1:
XBitmapNight = new PixMap(bmnight, BitmapColorMode.POLY1TR);
NightColor1 = XBitmapNight.GetColor(0);
break;
case ColorType.BM_Day1_Night2:
case ColorType.BM_Day2_Night2:
XBitmapNight = new PixMap(bmnight, BitmapColorMode.POLY1TR);
NightColor1 = XBitmapNight.GetColor(0);
NightColor2 = XBitmapNight.GetColor(1);
break;
}
}
else
{
XBitmapNight = null;
}
}
public void Read(BinaryReaderWriter br)
{
try {
Options = br.ReadByte();
// es folgen 1 bis max. 4 Farben und ev. 1 Bitmap
switch (Colortype) // hier muss sicher noch überprüft werden, ob die Typen wirklich richtig interpretiert werden
{
case ColorType.Day1:
colDayColor[0] = BinaryColor.ReadColor(br);
break;
case ColorType.Day1_Night1:
colDayColor[0] = BinaryColor.ReadColor(br);
colNightColor[0] = BinaryColor.ReadColor(br);
break;
case ColorType.BM_Day2: // 2 Farben + 1x Pixeldaten
colDayColor = BinaryColor.ReadColorTable(br, 2);
XBitmapDay = new PixMap(32, 32, colDayColor, BitmapColorMode.POLY2, br);
break;
case ColorType.BM_Day2_Night2: // 4 Farben + 1x Pixeldaten
colDayColor = BinaryColor.ReadColorTable(br, 2);
colNightColor = BinaryColor.ReadColorTable(br, 2);
XBitmapDay = new PixMap(32, 32, colDayColor, BitmapColorMode.POLY2, br);
XBitmapNight = new PixMap(XBitmapDay);
XBitmapNight.SetNewColors(colNightColor);
break;
case ColorType.BM_Day1_Night2: // 3 Farben + 1x Pixeldaten
colDayColor[0] = BinaryColor.ReadColor(br);
colDayColor[1] = PixMap.TransparentColor;
colNightColor = BinaryColor.ReadColorTable(br, 2);
XBitmapDay = new PixMap(32, 32, colDayColor, BitmapColorMode.POLY2, br);
XBitmapNight = new PixMap(XBitmapDay);
XBitmapNight.ChangeColorMode(BitmapColorMode.POLY2);
XBitmapNight.SetNewColors(colNightColor);
break;
case ColorType.BM_Day2_Night1: // 3 Farben + 1x Pixeldaten
colDayColor = BinaryColor.ReadColorTable(br, 2);
colNightColor[0] = BinaryColor.ReadColor(br);
colNightColor[1] = PixMap.TransparentColor;
XBitmapDay = new PixMap(32, 32, colDayColor, BitmapColorMode.POLY2, br);
XBitmapNight = new PixMap(XBitmapDay);
XBitmapNight.ChangeColorMode(BitmapColorMode.POLY1TR);
XBitmapNight.SetNewColors(colNightColor);
break;
case ColorType.BM_Day1: // 1 Farbe + 1x Pixeldaten
colDayColor[0] = colNightColor[0] = BinaryColor.ReadColor(br);
colDayColor[1] = colNightColor[1] = PixMap.TransparentColor;
XBitmapDay = new PixMap(32, 32, colDayColor, BitmapColorMode.POLY1TR, br);
break;
case ColorType.BM_Day1_Night1: // 2 Farben + 1x Pixeldaten
colDayColor[0] = BinaryColor.ReadColor(br);
colDayColor[1] = PixMap.TransparentColor;
colNightColor[0] = BinaryColor.ReadColor(br);
colNightColor[1] = PixMap.TransparentColor;
XBitmapDay = new PixMap(32, 32, colDayColor, BitmapColorMode.POLY1TR, br);
XBitmapNight = new PixMap(XBitmapDay);
XBitmapNight.SetNewColors(colNightColor);
break;
}
if (WithDayBitmap)
{
// sicherheitshalber nochmal die Bitmapfarben übernehmen
DayColor1 = XBitmapDay.GetColor(0);
if (XBitmapDay.Colors > 1)
{
DayColor2 = XBitmapDay.GetColor(1);
}
if (XBitmapNight != null)
{
NightColor1 = XBitmapNight.GetColor(0);
if (XBitmapNight.Colors > 1)
{
NightColor2 = XBitmapNight.GetColor(1);
}
}
}
if (WithString)
{
Text = new MultiText(br);
}
if (WithExtendedOptions) // es folgen weitere (max. 2) Farben
{
ExtOptions = br.ReadByte();
switch (FontColType)
{
case FontColours.Day:
colFontColour[0] = BinaryColor.ReadColor(br);
break;
case FontColours.Night:
colFontColour[1] = BinaryColor.ReadColor(br);
break;
case FontColours.DayAndNight:
colFontColour = BinaryColor.ReadColorTable(br, 2);
break;
}
}
} catch (Exception ex) {
throw new Exception(string.Format("Fehler beim Lesen des Polygons 0x{0:x} 0x{1:x}: {2}", Type, Subtype, ex.Message));
}
}
