protected virtual void OnPaint(Wimp.RedrawEventArgs e)
{
if (Paint != null)
{
Paint(this, e);
}
}
// These are C# 'event' handlers.
public void redraw_main_window(object sender, Wimp.RedrawEventArgs e)
{
ColourTrans.SetGCOL(ColourTrans.FullRed, OS.GCOLAction.Replace_FG);
OS.PlotCircleFill(e.Origin.X + 1000, e.Origin.Y + 1000, 400);
ColourTrans.SetGCOL(ColourTrans.FullGreen, OS.GCOLAction.Replace_FG);
OS.PlotLine(e.Origin.X, e.Origin.Y, e.Origin.X + 2000, e.Origin.Y + 2000);
ColourTrans.SetGCOL(ColourTrans.FullBlue, OS.GCOLAction.Replace_FG);
OS.PlotLine(e.Origin.X, e.Origin.Y + 2000, e.Origin.X + 2000, e.Origin.Y);
ColourTrans.SetFontColours(ColourTrans.White, ColourTrans.FullBlue, 7);
main_font.Paint("CSharp string",
Font.PlotType.OSUnits,
e.Origin.X + 100,
e.Origin.Y + 1000,
0); // Length ignored (paint whole string) if bit 7 of flags not set
ColourTrans.SetFontColours(ColourTrans.White, ColourTrans.Black, 7);
main_font.Paint("CSharp string rotated",
0, // Coords are in millipoints
(e.Origin.X + 1000) * 400,
(e.Origin.Y + 1000) * 400,
matrix,
0); // Length ignored (paint whole string) if bit 7 of flags not set
}
// For a derived class, it is recommended to override the event notifier rather
// than subscribe to the event.
protected override void OnPaint(Wimp.RedrawEventArgs e)
{
var local_matrix = (OS.Matrix)matrix.Clone();
// Matrix translation is used to position the drawfile on screen within
// the window.
local_matrix.Translate(e.Origin.X, e.Origin.Y);
Drawfile.Render(0, draw_file, local_matrix, ref e.Redraw.Clip, 0);
// Technically, we should call the base method to ensure that event subscribers
// are also notified of this event, but I don't think that's necessary in this
// case.
// base.OnPaint (e);
}
protected virtual void OnRedraw(Wimp.RedrawEventArgs e)
{
// Start the redraw. Given the window handle, the OS fills in RedrawWimpBlock
// with details of what needs redrawing.
int more = Wimp.RedrawWindow(ref e.Redraw);
// The origin of the window only needs to be calculated once before entering
// the redraw loop.
e.Origin = WimpWindow.GetOrigin(ref e.Redraw.Visible,
ref e.Redraw.Scroll);
while (more != 0)
{
OnPaint(e);
more = Wimp.GetRectangle(ref e.Redraw);
}
}
protected override void OnPaint(Wimp.RedrawEventArgs e)
{
IntPtr trans_table = Sprites[0].TransTable;
// Render as is.
OS.Move(e.Origin.X + 40, e.Origin.Y + WindowHeight - 170);
Sprites[0].Plot(OSSpriteOp.PlotAction.OverWrite);
// Render scaled by factor of 2.
Sprites[0].PlotScaled(e.Origin.X + 180,
e.Origin.Y + WindowHeight - 220,
OSSpriteOp.PlotAction.OverWrite,
new OS.ScaleFactors(2, 2, 1, 1),
trans_table);
// Render transformed using matrix.
// Transformed sprites are not plotted at the current graphics position;
// the matrix/destination rectangle is used to place the sprite at the
// required position.
// The translation has to be applied here because we don't know ahead
// of time where the screen position is and it will change as the
// window is moved.
// A copy of the matrix has to be used so that the translation is applied
// only once to the original matrix rather than multiple times.
var local_matrix = (OS.Matrix)matrix.Clone();
local_matrix.Translate(e.Origin.X + 480, e.Origin.Y + WindowHeight - 170);
Sprites[0].PlotTransformed(OSSpriteOp.PlotAction.OverWrite,
local_matrix,
trans_table);
// Render transformed to destination parallelogram
var block = new OSSpriteOp.DestCoordBlock();
block.x0 = OS.ToDrawUnits(e.Origin.X + 600);
block.y0 = OS.ToDrawUnits(e.Origin.Y + WindowHeight - 70);
block.x1 = OS.ToDrawUnits(e.Origin.X + 800);
block.y1 = block.y0;
block.x2 = block.x1 + OS.ToDrawUnits(50);
block.y2 = OS.ToDrawUnits(e.Origin.Y + WindowHeight - 200);
block.x3 = block.x0 + OS.ToDrawUnits(50);
block.y3 = block.y2;
Sprites[0].PlotTransformed(OSSpriteOp.PlotAction.OverWrite,
block,
trans_table);
}
// For a derived class, it is recommended to override the event notifier rather
// than subscribe to the event.
protected override void OnPaint(Wimp.RedrawEventArgs e)
{
if (ColourSetBy == ColourSetter.Dialogue)
{
ColourTrans.SetFontColours(ColourTrans.White, font_palette_colour, 7);
}
else if (ColourSetBy == ColourSetter.Menu)
{
Wimp.SetFontColours((int)OS.DesktopColour.White, (int)font_wimp_colour);
}
font.Paint(Text,
Font.PlotType.OSUnits,
e.Origin.X + 10,
e.Origin.Y - 100,
0); // Length ignored (paint whole string) if bit 7 of flags not set
// Technically, we should call the base method to ensure that event subscribers
// are also notified of this event, but I don't think that's necessary in this
// case.
// base.OnPaint (e);
}
