Example #1
0
        public void Dispose()
        {
            if (Disposed)
            {
                return;
            }

            BitmapData.Dispose();
        }
Example #2
0
 public void LoadCoronal(int layer, bool grid)
 {
     bmpDataC = bmpC.Lock();
     SetData(volume, 2, layer, ref bmpDataC);
     if (grid)
     {
         DrawHorizontal(ref bmpDataC, Colors.CornflowerBlue, slicePoints[nT], 256, volume.Length);
         DrawVertical(ref bmpDataC, Colors.LightGreen, nS, 256, volume.Length);
     }
     bmpDataC.Dispose();
 }
Example #3
0
 public void LoadSagittal(int layer, bool grid)
 {
     bmpDataS = bmpS.Lock();
     SetData(volume, 1, layer, ref bmpDataS);
     if (grid)
     {
         DrawHorizontal(ref bmpDataS, Colors.CornflowerBlue, slicePoints[nT], 256, volume.Length);
         DrawVertical(ref bmpDataS, Colors.Yellow, nC, 256, volume.Length);
     }
     bmpDataS.Dispose();
 }
Example #4
0
 public void LoadTransverse(int layer, bool grid)
 {
     bmpDataT = bmpT.Lock();
     SetData(volume, 0, layer, ref bmpDataT);
     if (grid)
     {
         DrawHorizontal(ref bmpDataT, Colors.Yellow, nC, 256, 256);
         DrawVertical(ref bmpDataT, Colors.LightGreen, nS, 256, 256);
     }
     bmpDataT.Dispose();
 }
		public void UnlockBits() {
			if( Bitmap == null || data == null )
				return;
			data.Rewind();
			if( !ReadOnly )
				Bitmap.CopyPixelsFromBuffer( data );
			data.Dispose();

			data = null;
			scan0Byte = (byte*)IntPtr.Zero;
			Scan0 = IntPtr.Zero;
			Width = Height = Stride = 0;
		}
        /// <summary>
        /// updates the graphics.
        /// </summary>
        private void updateGraphics()
        {
            BitmapBuffer b = gfxBox.RealObject.CreateBitmapBuffer(Flip.NotFlipped, palette.RealObject, Zoom);

            if (b == previewsBitmap && lastRenderedSelection == selectionRectangle && previewsBitmap != null)
            {
                return;
            }

            lastRenderedSelection = selectionRectangle;

            if (previewsBitmap != b)
            {
                previewsBitmap = b;
                BitmapData bd = image.Lock();
                unsafe
                {
                    byte *bs = (byte *)bd.Data;
                    b.CopyTo(bs, 0, Width, 0, Height, 0, 0, 0, 0);
                }
                bd.Dispose();
            }
            Invalidate();
        }
Example #7
0
        public unsafe static void GenerateRegion(Canvas canvas, Bitmap bitmap, Rectangle rect, Size fontSize, BitFont font, Palette pal, bool iceColor, bool blinkOn, Point?cursorPosition, IGenerateRegion generator)
        {
            unchecked
            {
                //Console.WriteLine ("Generating region: {0}, bitmap size: {1}", rect, bitmap.Size);

                /*
                 * hmm.. quite a bit faster drawing character by character (less array lookups)
                 */
                var startCanvas = new Point(rect.Left / fontSize.Width, rect.Top / fontSize.Height);
                var startFont   = new Point(((rect.Left % fontSize.Width) * font.Width) / fontSize.Width, ((rect.Top % fontSize.Height) * font.Height) / fontSize.Height);

                rect.Width  = (rect.Width + fontSize.Width);
                rect.Height = rect.Height + fontSize.Height;
                var endCanvas = new Point((rect.InnerRight + 1) / fontSize.Width, (rect.InnerBottom + 1) / fontSize.Height);
                var endFont   = new Point((((rect.InnerRight + 1) % fontSize.Width) * font.Width) / fontSize.Width, (((rect.InnerBottom + 1) % fontSize.Height) * font.Height) / fontSize.Height);

                var rDraw = new Rectangle(startCanvas.X, startCanvas.Y, endCanvas.X - startCanvas.X, endCanvas.Y - startCanvas.Y);
                if (endFont.X == 0 && rDraw.Width > 1)
                {
                    rDraw.Width--;
                    endFont.X = font.Width;
                }
                if (endFont.Y == 0 && rDraw.Height > 1)
                {
                    rDraw.Height--;
                    endFont.Y = font.Height;
                }
                rDraw.Restrict(canvas.Size);
                //if (rDraw.InnerRight > canvas.Width) { rDraw.Width = rDraw.X

                var rectScn = new Rectangle(0, 0, rDraw.Width * font.Width - startFont.X - (font.Width - endFont.X), rDraw.Height * font.Height - startFont.Y - (font.Height - endFont.Y));
                if (rectScn.Width == 0 || rectScn.Height == 0)
                {
                    return;
                }

                CanvasElement ce;

                BitmapData bd   = bitmap.Lock();
                var        pRow = (byte *)bd.Data;

                uint *pCharStart;
                int   foreColor, backColor;
                int   cursorForeColor = 0, cursorBackColor = 0;

                int charStartY = startFont.Y;
                if (startFont.Y < 0)
                {
                    pRow      += (bd.ScanWidth * (-startFont.Y));
                    charStartY = 0;
                }
                int fontHeight = font.Height;

                generator = generator ?? new EmptyGenerator();

                int scanWidth = bd.ScanWidth;
                if (bd.Flipped)
                {
                    pRow     += bd.ScanWidth * (rDraw.Height - 1);
                    scanWidth = -scanWidth;
                }
                var pt = new Point();
                for (pt.Y = rDraw.Top; pt.Y <= rDraw.InnerBottom; pt.Y++)
                {
                    pCharStart = (uint *)pRow;
                    int charStartX;
                    if (startFont.X < 0)
                    {
                        pCharStart -= startFont.X;
                        charStartX  = 0;
                    }
                    else
                    {
                        charStartX = startFont.X;
                    }
                    if (pt.Y == rDraw.InnerBottom)
                    {
                        fontHeight = endFont.Y;
                    }
                    if (pt.Y >= 0 && pt.Y < canvas.Height)
                    {
                        for (pt.X = rDraw.Left; pt.X <= rDraw.InnerRight; pt.X++)
                        {
                            var charEndX = pt.X == rDraw.InnerRight ? endFont.X : font.Width;
                            if (pt.X >= 0 && pt.X < canvas.Width)
                            {
                                ce = generator.GetElement(pt, canvas) ?? canvas[pt];

                                /*
                                 */
                                foreColor = pal.GetRGBColor(ce.Foreground);
                                backColor = pal.GetRGBColor(iceColor ? ce.Background : ce.Attribute.BackgroundOnly);
                                generator.TranslateColour(pt, ref foreColor, ref backColor);
                                bool cursor = false;
                                if (cursorPosition != null && cursorPosition.Value == pt)
                                {
                                    cursorForeColor = bd.TranslateArgbToData(~foreColor | (int)0xff000000);
                                    cursorBackColor = bd.TranslateArgbToData(~backColor | (int)0xff000000);
                                    cursor          = true;
                                }

                                /*
                                 *
                                 * foreColor = pal[ce.Foreground]; //foreu = pal.GetRGBColor(ce.Foreground);
                                 * if (iceColor) backColor = pal[ce.Background]; //backu = pal.GetRGBColor(ce.Background);
                                 * else backColor = pal[ce.Attribute.BackgroundOnly]; //backu = pal.GetRGBColor(ce.Background & 0x7);
                                 * /*
                                 */
                                bool shouldBeOn = iceColor | blinkOn | !ce.Attribute.Blink;
                                var  fc         = font[ce.Character];
                                foreColor = bd.TranslateArgbToData(foreColor);
                                backColor = bd.TranslateArgbToData(backColor);
                                // got our char & attrib info, now draw the character PIXEL BY PIXEL!
                                var pCharY = (byte *)pCharStart;
                                var chpos  = charStartY * font.Width;
                                for (int chary = charStartY; chary < fontHeight; chary++)
                                {
                                    if (cursor && chary > fontHeight - 3)
                                    {
                                        foreColor = cursorForeColor;
                                        backColor = cursorBackColor;
                                        cursor    = false;
                                    }
                                    var pCharX = (int *)pCharY;
                                    var endpos = chpos + charEndX;
                                    var charx  = chpos + charStartX;
                                    var data   = fc.GetData(charx / 32);
                                    var idx    = 1 << charx;
                                    for (; charx < endpos; charx++)
                                    {
                                        if (idx == 0)
                                        {
                                            idx  = 1 << charx;
                                            data = fc.GetData(charx / 32);
                                        }

                                        var on = shouldBeOn && (data & idx) != 0;
                                        idx       <<= 1;
                                        *(pCharX++) = on ? foreColor : backColor;
                                    }
                                    pCharY += scanWidth;
                                    chpos  += font.Width;
                                }
                            }
                            pCharStart += (font.Width - charStartX);
                            if (pt.X == rDraw.Left)
                            {
                                charStartX = 0;
                            }
                        }
                    }
                    pRow += (fontHeight - charStartY) * scanWidth;
                    if (pt.Y == rDraw.Top)
                    {
                        charStartY = 0;
                    }
                }

                bd.Dispose();
            }
        }