/// <summary>
/// Screen View type
/// </summary>
public void setZXScreenView()
{
if (_spectrum == null || m_instance == null)
{
return;
}
pictureZXDisplay.Width = ZX_SCREEN_WIDTH;
pictureZXDisplay.Height = ZX_SCREEN_HEIGHT;
bmpZXMonochromatic = new Bitmap(ZX_SCREEN_WIDTH / 2, ZX_SCREEN_HEIGHT / 2);
ushort screenPointer = (ushort)numericUpDownActualAddress.Value;
//Screen View
for (int segments = 0; segments < 3; segments++)
{
for (int eightLines = 0; eightLines < 8; eightLines++)
{
//Cycle: Fill 8 lines in one segment
for (int linesInSegment = 0; linesInSegment < 64; linesInSegment += 8)
{
// Cycle: all attributes in 1 line
for (int attributes = 0; attributes < 32; attributes++)
{
byte blockByte = _spectrum.ReadMemory(screenPointer++);
BitArray spriteBits = GraphicsTools.getAttributePixels(blockByte, m_instance.checkBoxMirror.Checked);
if (spriteBits == null)
{
return;
}
// Cycle: fill 8 pixels for 1 attribute
for (int pixels = 0; pixels < 8; pixels++)
{
if (spriteBits[pixels])
{
bmpZXMonochromatic.SetPixel(pixels + (attributes * 8), linesInSegment + eightLines + (segments * 64), Color.Black);
}
else
{
bmpZXMonochromatic.SetPixel(pixels + (attributes * 8), linesInSegment + eightLines + (segments * 64), Color.White);
}
}
}
}
}
} // 3 segments of the ZX Screen
//Size newSize = new Size((int)(pictureZXDisplay.Width), (int)(pictureZXDisplay.Height));
/*pictureZXDisplay.Image = bmpZXMonochromatic;
* pictureZXDisplay.Width = ZX_SCREEN_WIDTH;
* pictureZXDisplay.Height = ZX_SCREEN_HEIGHT;*/
Image resizedImage = bmpZXMonochromatic.GetThumbnailImage(ZX_SCREEN_WIDTH, ZX_SCREEN_HEIGHT, null, IntPtr.Zero);
pictureZXDisplay.Image = resizedImage;
pictureZXDisplay.SizeMode = PictureBoxSizeMode.StretchImage;
}
public void setBitmapBits(IDebuggable i_spectrum, ushort i_startAddress)
{
int gridBytes = X_BIT_COUNT / 8 * Y_BIT_COUNT;
_gridBits = new BitArray[gridBytes];
for (int counter = 0; counter < gridBytes; counter++)
{
byte blockByte = i_spectrum.ReadMemory(i_startAddress++);
_gridBits[counter] = GraphicsTools.getAttributePixels(blockByte, false);
}
}
private Image getTileViewImage()
{
byte spriteWidth = Convert.ToByte(comboSpriteWidth.SelectedItem);
//byte spriteHeight;
ushort screenPointer = (ushort)numericUpDownActualAddress.Value;
if (_spectrum == null || m_instance == null)
{
return(null);
}
Bitmap bmpSpriteView = new Bitmap(spriteWidth, ZX_SCREEN_HEIGHT);
for (int YPointerShift = 0; YPointerShift < ZX_SCREEN_HEIGHT; YPointerShift += 8)
{
for (int XPointerShift = 0; XPointerShift < spriteWidth; XPointerShift += 8)
{
//draw one tile
for (int line = 0; line < 8; line++)
{
BitArray spriteBits = GraphicsTools.getAttributePixels(_spectrum.ReadMemory(screenPointer++), m_instance.checkBoxMirror.Checked);
if (spriteBits == null)
{
return(null);
}
// Cycle: fill 8 pixels for 1 attribute
for (int pixelBit = 7; pixelBit > -1; pixelBit--)
{
if (spriteBits[pixelBit])
{
bmpSpriteView.SetPixel(pixelBit + XPointerShift, line + YPointerShift, Color.Black);
}
else
{
bmpSpriteView.SetPixel(pixelBit + XPointerShift, line + YPointerShift, Color.White);
}
}
}
}
}
byte spriteZoomFactor = Convert.ToByte(numericUpDownZoomFactor.Value);
Image resizedImage = bmpSpriteView.GetThumbnailImage(spriteWidth * spriteZoomFactor, (spriteWidth * spriteZoomFactor * bmpSpriteView.Height) /
bmpSpriteView.Width, null, IntPtr.Zero);
return(resizedImage);
}