/// <summary>
/// Sets the content of the region.
/// </summary>
/// <param name="screen">The screen.</param>
/// <param name="vrName">Name of the region (viewRange).</param>
/// <param name="content">The content.</param>
/// <returns>true if the content could be set, otherwise false</returns>
private bool setRegionContent(BrailleIOScreen screen, String vrName, Object content)
{
if (screen != null)
{
BrailleIOViewRange vr = screen.GetViewRange(vrName);
if (vr != null)
{
if (content != null)
{
if (content is bool[, ])
{
vr.SetMatrix(content as bool[, ]);
}
else if (content is Bitmap)
{
vr.SetBitmap(content as Bitmap);
}
else if (content is String)
{
vr.SetText(content.ToString());
}
else
{
return(false);
}
return(true);
}
else
{
vr.SetMatrix(null);
} //TODO: check if this works
}
}
return(false);
}
// string path = "";
private void showExample()
{
BrailleIOScreen s = new BrailleIOScreen();
#region Center Region
#region screenshot
Image bmp = captureScreen();
#endregion
BrailleIOViewRange center = new BrailleIOViewRange(0, 7, 120, 46, new bool[120, 40]);
//center.Move(1,1);
center.SetBitmap(bmp);
center.SetZoom(-1);
center.SetBorder(0);
center.SetContrastThreshold(150);
center.ShowScrollbars = true;
s.AddViewRange("center", center);
#endregion
#region Top Reagion
BrailleIOViewRange top = new BrailleIOViewRange(0, 0, 120, 7);
top.SetBorder(0, 0, 1);
top.SetMargin(0, 0, 1);
top.SetPadding(0, 0, 1);
top.SetText("ABCDEFGHIJKLMNOPQRSTUVWXYZ\r\nabcdefghijklmnopqrstuvwxyz\r\n0123456789!\"#$%&<=>?@©®\r\n*+-~:;[],.'^_`(){}/|\\r\nß\r\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\r\n");
top.SetText("Tactile screen capture");
s.AddViewRange("top", top);
#endregion
#region Bottom Reagion
BrailleIOViewRange bottom = new BrailleIOViewRange(0, 53, 120, 7);
bottom.SetBorder(1, 0, 0);
bottom.SetMargin(1, 0, 0);
bottom.SetPadding(1, 0, 0);
bottom.SetText("Detail area: status messages can be shown");
s.AddViewRange("bottom", bottom);
#endregion
io.AddView(BS_MAIN_NAME, s);
io.ShowView(BS_MAIN_NAME);
io.RenderDisplay();
}
// string path = "";
private void showExample()
{
BrailleIOScreen s = new BrailleIOScreen();
#region Center Region
#region screenshot
Image bmp = captureScreen();
#endregion
BrailleIOViewRange center = new BrailleIOViewRange(0, 0, 120, 60, new bool[120, 40]);
center.SetMargin(7, 0, 0);
center.Move(1, 1);
center.SetBitmap(bmp);
center.SetZoom(-1);
center.SetBorder(0);
center.SetContrastThreshold(150);
s.AddViewRange("center", center);
#endregion
#region Top Region
BrailleIOViewRange top = new BrailleIOViewRange(0, 0, 120, 7, new bool[0, 0]);
top.SetBorder(0, 0, 1);
top.SetMargin(0, 0, 1);
top.SetPadding(0, 0, 1);
top.SetText("ABCDEFGHIJKLMNOPQRSTUVWXYZ\r\nabcdefghijklmnopqrstuvwxyz\r\n0123456789!\"#$%&<=>?@©®\r\n*+-~:;[],.'^_`(){}/|\\r\nß\r\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\r\n");
top.SetText("Tactile screen capture");
s.AddViewRange("top", top);
#endregion
IO.AddView(BS_MAIN_NAME, s);
IO.ShowView(BS_MAIN_NAME);
IO.RenderDisplay();
}
private void setTangramScreen()
{
try
{
if (io != null)
{
string name = "TangramSceen";
BrailleIOScreen ts = new BrailleIOScreen(name);
BrailleIOViewRange tv = new BrailleIOViewRange(0, 0, io.GetDeviceSizeX(), io.GetDeviceSizeY());
tv.SetBitmap(Bitmap.FromFile(@"config/pics/tactile_logo.bmp"));
ts.AddViewRange(name + "View", tv);
io.AddView(name, ts);
io.ShowView(name);
io.RefreshDisplay();
io.RefreshDisplay();
System.Threading.Thread.Sleep(10);
}
}
catch { }
}
/// <summary>
/// Handles the Changed event of the screen observer control and send it to view range that is defined by getTargetViewRangeForScreenCapturing().
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="tud.mci.tangram.TangramLector.CaptureChangedEventArgs"/> instance containing the event data.</param>
void so_Changed(object sender, CaptureChangedEventArgs e)
{
if (currentView != LectorView.Drawing)
{
return;
}
BrailleIOViewRange vr = getTargetViewRangeForScreenCapturing();
if (vr != null && e != null)
{
BrailleIOScreen vs = GetVisibleScreen();
if (vs != null && vs.Name.Equals(BS_MINIMAP_NAME))
{
setMinimapContent(vr, e);
}
else
{
vr.SetBitmap(e.Img as Bitmap);
}
io.RefreshDisplay(true);
}
}
/// <summary>
/// Set the content in minimap mode. Thereby the screen capturing bitmap is shown with blinking frame.
/// </summary>
/// <param name="vr">ViewRange in which minimap content should be shown.</param>
/// <param name="e">EventArgs of the screen capturing event.</param>
void setMinimapContent(BrailleIOViewRange vr, CaptureChangedEventArgs e)
{
int width = vr.ContentBox.Width;
int height = vr.ContentBox.Height;
Bitmap bmp = new Bitmap(width, height);
Graphics graph = Graphics.FromImage(bmp);
if (screenBeforeMinimap != null)
{
BrailleIOViewRange imgvr = screenBeforeMinimap.GetViewRange(VR_CENTER_NAME);
if (imgvr == null) return;
int xoffset = imgvr.GetXOffset();
int yoffset = imgvr.GetYOffset();
int imgWidth = imgvr.ContentWidth;
int imgHeight = imgvr.ContentHeight;
if (imgWidth > 0 && imgHeight > 0)
{
// calculate image size for minimap (complete image has to fit into view range)
int imgScaledWidth = imgWidth;
int imgScaledHeight = imgHeight;
double scaleFactorX = 1;
double scaleFactorY = 1;
if (width != 0 && imgScaledWidth > width)
{
scaleFactorX = (double)imgWidth / (double)width;
if (scaleFactorX != 0)
{
imgScaledWidth = width;
imgScaledHeight = (int)(imgHeight / scaleFactorX);
}
}
if (height != 0 && imgScaledHeight > height)
{
scaleFactorY = (double)imgScaledHeight / (double)height;
if (scaleFactorY != 0)
{
imgScaledHeight = height;
imgScaledWidth = (int)(imgScaledWidth / scaleFactorY);
}
}
// calculate scaling factor from original image to minimap image size
MinimapScalingFactor = 1 / (scaleFactorX * scaleFactorY);
double zoom = imgvr.GetZoom();
if (zoom > 0) MinimapScalingFactor = MinimapScalingFactor * zoom;
// calculate position and size of the blinking frame
int x = Math.Abs(xoffset) * imgScaledWidth / imgWidth;
int y = Math.Abs(yoffset) * imgScaledHeight / imgHeight;
int frameWidth = width * imgScaledWidth / imgWidth;
int frameHeigth = height * imgScaledHeight / imgHeight;
// draw scaled image and blinking frame
graph.DrawImage(e.Img, 0, 0, imgScaledWidth, imgScaledHeight);
Color frameColor = Color.Black;
if (!blinkPinsUp) frameColor = Color.White;
graph.DrawRectangle(new Pen(frameColor, 2), x, y, frameWidth, frameHeigth);
vr.SetBitmap(bmp);
}
}
}
/// <summary>
/// Set the content in minimap mode. Thereby the screen capturing bitmap is shown with blinking frame.
/// </summary>
/// <param name="vr">ViewRange in which minimap content should be shown.</param>
/// <param name="e">EventArgs of the screen capturing event.</param>
void setMinimapContent(BrailleIOViewRange vr, CaptureChangedEventArgs e)
{
int width = vr.ContentBox.Width;
int height = vr.ContentBox.Height;
Bitmap bmp = new Bitmap(width, height);
Graphics graph = Graphics.FromImage(bmp);
if (screenBeforeMinimap != null)
{
BrailleIOViewRange imgvr = screenBeforeMinimap.GetViewRange(VR_CENTER_NAME);
if (imgvr == null)
{
return;
}
int xoffset = imgvr.GetXOffset();
int yoffset = imgvr.GetYOffset();
int imgWidth = imgvr.ContentWidth;
int imgHeight = imgvr.ContentHeight;
if (imgWidth > 0 && imgHeight > 0)
{
// calculate image size for minimap (complete image has to fit into view range)
int imgScaledWidth = imgWidth;
int imgScaledHeight = imgHeight;
double scaleFactorX = 1;
double scaleFactorY = 1;
if (width != 0 && imgScaledWidth > width)
{
scaleFactorX = (double)imgWidth / (double)width;
if (scaleFactorX != 0)
{
imgScaledWidth = width;
imgScaledHeight = (int)(imgHeight / scaleFactorX);
}
}
if (height != 0 && imgScaledHeight > height)
{
scaleFactorY = (double)imgScaledHeight / (double)height;
if (scaleFactorY != 0)
{
imgScaledHeight = height;
imgScaledWidth = (int)(imgScaledWidth / scaleFactorY);
}
}
// calculate scaling factor from original image to minimap image size
MinimapScalingFactor = 1 / (scaleFactorX * scaleFactorY);
double zoom = imgvr.GetZoom();
if (zoom > 0)
{
MinimapScalingFactor = MinimapScalingFactor * zoom;
}
// calculate position and size of the blinking frame
int x = Math.Abs(xoffset) * imgScaledWidth / imgWidth;
int y = Math.Abs(yoffset) * imgScaledHeight / imgHeight;
int frameWidth = width * imgScaledWidth / imgWidth;
int frameHeigth = height * imgScaledHeight / imgHeight;
// draw scaled image and blinking frame
graph.DrawImage(e.Img, 0, 0, imgScaledWidth, imgScaledHeight);
Color frameColor = Color.Black;
if (!blinkPinsUp)
{
frameColor = Color.White;
}
graph.DrawRectangle(new Pen(frameColor, 2), x, y, frameWidth, frameHeigth);
vr.SetBitmap(bmp);
}
}
}
private void setTangramScreen()
{
try
{
if (io != null)
{
string name = "TangramSceen";
BrailleIOScreen ts = new BrailleIOScreen(name);
BrailleIOViewRange tv = new BrailleIOViewRange(0, 0, io.GetDeviceSizeX(), io.GetDeviceSizeY());
tv.SetBitmap(Bitmap.FromFile(@"config/pics/tactile_logo.bmp"));
ts.AddViewRange(name + "View", tv);
io.AddView(name, ts);
io.ShowView(name);
io.RefreshDisplay();
io.RefreshDisplay();
System.Threading.Thread.Sleep(10);
}
}
catch { }
}
