public void Print(VirtualFrame background, string message, int x, int y, int Width, int Height)
{
VirtualFrame spriteCharFrame = null;
var characterCount = 0;
long frameSize = 0;
bool hasPeriod = false;
int digitsAfterPeriod = 0;
foreach (Char c in message)
{
characterCount++;
var path = GetPathFromCharacter(c);
if (characterCount == 1)
{
frameSize = GetFrameSize(path);
spriteCharFrame = new VirtualFrame(frameSize, 4, path);
spriteCharFrame.Height = Height;
spriteCharFrame.Width = Width;
spriteCharFrame.xOffset = x;
spriteCharFrame.yOffset = y;
}
else
{
spriteCharFrame.ConnectExistingStream(path);
}
Merge(background, spriteCharFrame);
spriteCharFrame.xOffset += Width;
path = null;
Debug.GC(true);
if (characterCount >= MaxMessageLength)
{
break;
}
if (c == '.')
{
hasPeriod = true;
continue;
}
if (hasPeriod)
{
digitsAfterPeriod++;
}
if (hasPeriod && (digitsAfterPeriod >= MaxCharactersAfterPeriod))
{
break;
}
}
spriteCharFrame.Dispose();
spriteCharFrame = null;
Debug.GC(true);
}
//protected string ToHex(byte value) {
// var hex = new Char[2];
// hex[0] = ToNibble((byte)(value >> 4));
// hex[1] = ToNibble((byte)(value & 0x0F));
// return new string(hex);
//}
//protected Char ToNibble(byte value) {
// if (value >= 0 && value <= 9) {
// return (Char)('0' + value);
// }
// return (Char)('A' + value - 10);
//}
public VirtualFrame Merge(VirtualFrame background, VirtualFrame sprite)
{
if (sprite.Width > background.Width ||
sprite.Width > Width ||
sprite.Height > background.Height ||
sprite.Height > Height ||
sprite.BytesPerPixel != BytesPerPixel ||
sprite.BytesPerPixel != background.BytesPerPixel)
{
throw new IndexOutOfRangeException("sprite");
}
var xStartPixels = xOffset + sprite.xOffset;
if (xStartPixels > Width)
{
return(this);
}
var yStartPixels = yOffset + sprite.yOffset;
if (yStartPixels > Height)
{
return(this);
}
var xEndPixels = xStartPixels + sprite.Width;
if (xEndPixels > Width)
{
xEndPixels = Width;
}
var yEndPixels = yStartPixels + sprite.Height;
if (yEndPixels > Height)
{
yEndPixels = Height;
}
var spriteWidthBytes = (xEndPixels - xStartPixels) * BytesPerPixel;
var address = (yStartPixels * GetWidthInBytes()) + (xStartPixels * BytesPerPixel);
var step = GetWidthInBytes();
if (sprite.TransparentColor == Solid)
{
var spriteLine = 0;
while (yStartPixels < yEndPixels)
{
sprite.ReadVM(spriteLine, 0, spriteWidthBytes);
base.WriteVM(address, sprite.Buffer, spriteWidthBytes);
address += step;
spriteLine += spriteWidthBytes;
yStartPixels++;
}
}
else
{
var spriteAddress = 0;
for (; yStartPixels < yEndPixels; yStartPixels++)
{
var w = xEndPixels - xStartPixels;
for (var x = 0; x < w; x++)
{
var pixelHigh = sprite.ReadVM(spriteAddress++);
var pixelLow = sprite.ReadVM(spriteAddress++);
short color = pixelHigh;
color <<= 8;
color |= (short)pixelLow;
if (color == TransparentColor)
{
// Not yet implemented. Same as solid.
base.WriteVM(address++, pixelHigh);
base.WriteVM(address++, pixelLow);
}
else
{
base.WriteVM(address++, pixelHigh);
base.WriteVM(address++, pixelLow);
}
}
address += (step - spriteWidthBytes);
}
}
return(this);
}
public void Print(VirtualFrame background, string message, int x, int y, int Width, int Height)
{
VirtualFrame spriteCharFrame = null;
var characterCount = 0;
long frameSize = 0;
bool hasPeriod = false;
int digitsAfterPeriod = 0;
foreach (Char c in message) {
characterCount++;
var path = GetPathFromCharacter(c);
if (characterCount == 1) {
frameSize = GetFrameSize(path);
spriteCharFrame = new VirtualFrame(frameSize, 4, path);
spriteCharFrame.Height = Height;
spriteCharFrame.Width = Width;
spriteCharFrame.xOffset = x;
spriteCharFrame.yOffset = y;
} else {
spriteCharFrame.ConnectExistingStream(path);
}
Merge(background, spriteCharFrame);
spriteCharFrame.xOffset += Width;
path = null;
Debug.GC(true);
if (characterCount >= MaxMessageLength) break;
if (c == '.') {
hasPeriod = true;
continue;
}
if (hasPeriod) digitsAfterPeriod++;
if (hasPeriod && (digitsAfterPeriod >= MaxCharactersAfterPeriod)) break;
}
spriteCharFrame.Dispose();
spriteCharFrame = null;
Debug.GC(true);
}
//protected string ToHex(byte value) {
// var hex = new Char[2];
// hex[0] = ToNibble((byte)(value >> 4));
// hex[1] = ToNibble((byte)(value & 0x0F));
// return new string(hex);
//}
//protected Char ToNibble(byte value) {
// if (value >= 0 && value <= 9) {
// return (Char)('0' + value);
// }
// return (Char)('A' + value - 10);
//}
public VirtualFrame Merge(VirtualFrame background, VirtualFrame sprite)
{
if (sprite.Width > background.Width ||
sprite.Width > Width ||
sprite.Height > background.Height ||
sprite.Height > Height ||
sprite.BytesPerPixel != BytesPerPixel ||
sprite.BytesPerPixel != background.BytesPerPixel) {
throw new IndexOutOfRangeException("sprite");
}
var xStartPixels = xOffset + sprite.xOffset;
if (xStartPixels > Width) return this;
var yStartPixels = yOffset + sprite.yOffset;
if (yStartPixels > Height) return this;
var xEndPixels = xStartPixels + sprite.Width;
if (xEndPixels > Width) xEndPixels = Width;
var yEndPixels = yStartPixels + sprite.Height;
if (yEndPixels > Height) yEndPixels = Height;
var spriteWidthBytes = (xEndPixels - xStartPixels) * BytesPerPixel;
var address = (yStartPixels * GetWidthInBytes()) + (xStartPixels * BytesPerPixel);
var step = GetWidthInBytes();
if (sprite.TransparentColor == Solid) {
var spriteLine = 0;
while(yStartPixels < yEndPixels) {
sprite.ReadVM(spriteLine, 0, spriteWidthBytes);
base.WriteVM(address, sprite.Buffer, spriteWidthBytes);
address += step;
spriteLine += spriteWidthBytes;
yStartPixels++;
}
} else {
var spriteAddress = 0;
for (; yStartPixels < yEndPixels; yStartPixels++) {
var w = xEndPixels - xStartPixels;
for (var x = 0; x < w; x++) {
var pixelHigh = sprite.ReadVM(spriteAddress++);
var pixelLow = sprite.ReadVM(spriteAddress++);
short color = pixelHigh;
color <<= 8;
color |= (short)pixelLow;
if (color == TransparentColor) {
// Not yet implemented. Same as solid.
base.WriteVM(address++, pixelHigh);
base.WriteVM(address++, pixelLow);
} else {
base.WriteVM(address++, pixelHigh);
base.WriteVM(address++, pixelLow);
}
}
address += (step - spriteWidthBytes);
}
}
return this;
}
