/// <summary>
/// Initializes DirectDraw and all the surfaces to be used.
/// </summary>
private void InitDirectDraw()
{
SurfaceDescription description = new SurfaceDescription(); // Describes a surface.
Random randomNumber = new Random(); // Random number for position and velocity.
displayDevice = new Device(); // Create a new DirectDrawDevice.
displayDevice.SetCooperativeLevel(this, CooperativeLevelFlags.FullscreenExclusive); // Set the cooperative level.
displayDevice.SetDisplayMode(screenWidth, screenHeight, 16, 0, false); // Set the display mode width and height, and 8 bit color depth.
description.SurfaceCaps.Flip = description.SurfaceCaps.Complex = description.SurfaceCaps.PrimarySurface = true;
description.BackBufferCount = 1; // Create 1 backbuffer.
front = new Surface(description, displayDevice); // Create the surface using the description above.
SurfaceCaps caps = new SurfaceCaps();
caps.BackBuffer = true; // Caps of the surface.
back = front.GetAttachedSurface(caps); // Get the attached surface that matches the caps, which will be the backbuffer.
clip = new Clipper(displayDevice); // Create a clipper object.
clip.Window = this; // Set the clippers window handle to the window handle of the main window.
front.Clipper = clip; // Tell the front surface to use the clipper object.
description.Clear(); // Clear out the SurfaceDescription structure.
surfaceLogo = new Surface(nameFile, description, displayDevice); // Create the sprites bitmap surface.
description.Clear();
description.Width = 400; // Set the width and height of the surface.
description.Height = 20;
description.SurfaceCaps.OffScreenPlain = true;
text = new Surface(description, displayDevice); // Create the surface using the above description.
text.ColorFill(Color.Black);
text.ForeColor = Color.White;
text.DrawText(0, 0, textHelp, true);
ColorKey ck = new ColorKey(); // Create a new colorkey.
surfaceLogo.SetColorKey(ColorKeyFlags.SourceDraw, ck); // Set the colorkey to the bitmap surface. 0 is used for the colorkey, which is what the ColorKey struct is initialized to.
for (int i = 0; i < numSprites; i++)
{
// Set the sprites's position and velocity
sprites[i].posX = (randomNumber.Next() % screenWidth);
sprites[i].posY = (randomNumber.Next() % screenHeight);
sprites[i].velX = 500.0f * randomNumber.Next() / Int32.MaxValue - 250.0f;
sprites[i].velY = 500.0f * randomNumber.Next() / Int32.MaxValue - 250.0f;
}
}
private void CreateSurfaces()
{
SurfaceDescription desc = new SurfaceDescription();
SurfaceCaps caps = new SurfaceCaps();
localClipper = new Clipper(localDevice);
localClipper.Window = owner;
desc.SurfaceCaps.PrimarySurface = true;
if (null != surfacePrimary)
{
surfacePrimary.Dispose();
}
surfacePrimary = new Surface(desc, localDevice);
surfacePrimary.Clipper = localClipper;
desc.Clear();
desc.SurfaceCaps.OffScreenPlain = true;
desc.Width = surfacePrimary.SurfaceDescription.Width;
desc.Height = surfacePrimary.SurfaceDescription.Height;
if (null != surfaceSecondary)
{
surfaceSecondary.Dispose();
}
surfaceSecondary = new Surface(desc, localDevice);
surfaceSecondary.FillStyle = 0;
}
/// <summary>
/// Initializes DirectDraw and all the surfaces to be used.
/// </summary>
private void InitDirectDraw()
{
SurfaceDescription description = new SurfaceDescription(); // Describes a surface.
draw = new Device(); // Create a new DirectDrawDevice.
draw.SetCooperativeLevel(this, CooperativeLevelFlags.FullscreenExclusive); // Set the cooperative level.
draw.SetDisplayMode(widthScreen, heightScreen, 16, 0, false); // Set the display mode width and height, and 16 bit color depth.
description.SurfaceCaps.PrimarySurface = description.SurfaceCaps.Flip = description.SurfaceCaps.Complex = true; // Capabilities of the surface.
description.BackBufferCount = 1; // Create 1 backbuffer.
front = new Surface(description, draw); // Create the surface using the description above.
SurfaceCaps caps = new SurfaceCaps();
caps.BackBuffer = true; // Caps of the surface.
back = front.GetAttachedSurface(caps); // Get the attached surface that matches the caps, which will be the backbuffer.
back.ForeColor = Color.White;
description.Clear(); // Clear out the SurfaceDescription structure.
surfaceAnimation = new Surface(nameFile, description, draw); // Create the sprite bitmap surface.
ColorKey ck = new ColorKey(); // Create a new colorkey.
surfaceAnimation.SetColorKey(ColorKeyFlags.SourceDraw, ck); // Set the colorkey to the bitmap surface. 0 is used for the colorkey, which is what the ColorKey struct is initialized to.
for (int i = 0; i < numSprites; i++)
{
// Set the sprite's position, velocity, frame, rotation direction, and rotation speed.
sprite[i].posX = (randomNumber.Next(0, maxRand) % widthScreen);
sprite[i].posY = (randomNumber.Next(0, maxRand) % heightScreen);
sprite[i].velX = ((500.0f * randomNumber.Next(0, maxRand)) / (float)maxRand) - 250.0f;
sprite[i].velY = ((500.0f * randomNumber.Next(0, maxRand)) / (float)maxRand) - 250.0f;
sprite[i].frame = randomNumber.Next(0, maxRand) % numFrames;
sprite[i].tickRotation = 0;
sprite[i].speedRotation = (randomNumber.Next(0, maxRand) % 50 + 25) / 1000.0f;
sprite[i].isClockwise = (0 == randomNumber.Next(0, maxRand) % 2) ? true : false;
}
// Precompute the source rects for frame. The source rects
// are used during the blt of the dds to the backbuffer.
for (int i = 0; i < numFrames; i++)
{
System.Drawing.Point p = new System.Drawing.Point((i % 5) * diameterSprite, (i / 5) * diameterSprite);
frame[i] = new System.Drawing.Rectangle(p, new Size(diameterSprite, diameterSprite));
}
// Init an array of random values. This array is used to create the
// 'flocking' effect seen in the sample.
randomIndex = 0;
for (int randomNext = 0; randomNext < numRandom; randomNext++)
{
randomTable[randomNext] = randomNumber.Next(0, maxRand);
}
}
/// <summary>
/// This method creates the primary and secondary surfaces
/// </summary>
public void CreateSurfaces()
{
// Every surface needs a description
// This is where you set the parameters for the surface
SurfaceDescription desc = new SurfaceDescription();
// This is the clipper for the primary surface
// -> connect it to the target control
Clipper graphicsClipper = new Clipper(graphicsDevice);
graphicsClipper.Window = target;
// First we want to create a primary surface
desc.SurfaceCaps.PrimarySurface = true;
#if !windowed
// In release mode, we enable flipping, set the complex
// flag and tell the surface that we will use one back
// buffer
desc.SurfaceCaps.Flip = true;
desc.SurfaceCaps.Complex = true;
desc.BackBufferCount = 1;
#endif
// Create the surface
surfacePrimary = new Surface(desc, graphicsDevice);
srcRect = new Rectangle(0,0,target.Width,target.Height);
// Attach clipper to the surface
surfacePrimary.Clipper = graphicsClipper;
// To build the secondary surface, we need
// a new description -> clear all values
desc.Clear();
#if windowed
// In debug mode, we simply copy the primary surfaces
// dimensions and create a offscreenplain secondary
// surface
desc.Width = surfacePrimary.SurfaceDescription.Width;
desc.Height = surfacePrimary.SurfaceDescription.Height;
desc.SurfaceCaps.OffScreenPlain = true;
surfaceSecondary = new Surface(desc, this.graphicsDevice);
#else
// In release mode, we set the backbuffer flag to true
// and retrieve a backbuffer surface from the primary
// surface
desc.SurfaceCaps.BackBuffer = true;
surfaceSecondary = surfacePrimary.GetAttachedSurface(desc.SurfaceCaps);
#endif
//surfaceSecondary.Clipper=graphicsClipper;
}
/// <summary>
/// This function is where the surfaces and
/// clipper object are created.
/// </summary>
private void CreateSurfaces()
{
SurfaceDescription description = new SurfaceDescription(); // Create a new SurfaceDescription struct.
description.SurfaceCaps.PrimarySurface = true; // The caps for this surface is simply primary.
primary = new Surface(description, draw); // Create the primary surface.
clip = new Clipper(draw); // Create a new clipper.
clip.Window = this; // The clipper will use the main window handle.
primary.Clipper = clip; // Assign this clipper to the primary surface.
description.Clear(); // Clear the SurfaceDescription struct.
offscreen = new Surface(DXUtil.SdkMediaPath + "\\earthenvmap.bmp", description, draw); // Create the surface using the specified file.
}
/// <summary>
/// This function is where the surfaces and
/// clipper object are created.
/// </summary>
private void CreateSurfaces()
{
SurfaceDescription description = new SurfaceDescription(); // Create a new SurfaceDescription struct.
description.SurfaceCaps.PrimarySurface = true;
// If any object currently exist, destroy them.
if (null != offscreen)
{
offscreen.Dispose();
}
if (null != primary)
{
primary.Dispose();
}
primary = new Surface(description, draw); // Create the primary surface.
clip.Window = this; // The clipper will use the main window handle.
primary.Clipper = clip; // Assign this clipper to the primary surface.
description.Clear();
offscreen = new Surface(DXUtil.SdkMediaPath + "\\earthenvmap.bmp", description, draw); // Create the surface using the specified file.
}
/// <summary>
/// Initializes DirectDraw and all the surfaces to be used.
/// </summary>
private void InitializeDirectDraw()
{
SurfaceDescription description = new SurfaceDescription(); // Describes a surface.
Random randomNumber = new Random(); // Random number for position and velocity.
ColorKeyFlags flags = new ColorKeyFlags();
displayDevice = new Device(); // Create a new DirectDrawDevice.
displayDevice.SetCooperativeLevel(this, CooperativeLevelFlags.FullscreenExclusive); // Set the cooperative level.
try
{
displayDevice.SetDisplayMode(screenWidth, screenHeight, 8, 0, false); // Set the display mode width and height, and 8 bit color depth.
}
catch (UnsupportedException)
{
MessageBox.Show("Device doesn't support required mode. Sample will now exit.", "UnsupportedException caught");
Close();
return;
}
description.SurfaceCaps.PrimarySurface = description.SurfaceCaps.Flip = description.SurfaceCaps.Complex = true;
description.BackBufferCount = 1; // Create 1 backbuffer.
front = new Surface(description, displayDevice); // Create the surface using the description above.
SurfaceCaps caps = new SurfaceCaps();
caps.BackBuffer = true; // Caps of the surface.
back = front.GetAttachedSurface(caps); // Get the attached surface that matches the caps, which will be the backbuffer.
pal = new Palette(displayDevice, bitmapFileName); // Create a new palette, using the bitmap file.
pe = pal.GetEntries(0, 256); // Store the palette entries.
front.Palette = pal; // The front surface will use this palette.
description.Clear(); // Clear the data out from the SurfaceDescription class.
surfaceLogo = new Surface(bitmapFileName, description, displayDevice); // Create the sprite bitmap surface.
ColorKey key = new ColorKey(); // Create a new colorkey.
key.ColorSpaceHighValue = key.ColorSpaceLowValue = 0;
flags = ColorKeyFlags.SourceDraw;
surfaceLogo.SetColorKey(flags, key); // Set the colorkey to the bitmap surface. 144 is the index used for the colorkey, which is black in this palette.
description.Clear();
description.SurfaceCaps.OffScreenPlain = true;
description.Width = 200; // Set the width and height of the surface.
description.Height = 20;
text = new Surface(description, displayDevice); // Create the surface using the above description.
text.ForeColor = Color.FromArgb(indexWhite); // Because this is a palettized environment, the app needs to use index based colors, which
// do not correspond to pre-defined color values. For this reason, the indexWhite variable exists
// and contains the index where the color white is stored in the bitmap's palette. The app makes use
// of the static FromArgb() method to convert the index to a Color value.
text.ColorFill(indexBlack);
text.DrawText(0, 0, textHelp, false);
for (int i = 0; i < numSprites; i++)
{
// Set the sprite's position and velocity
sprite[i].posX = (randomNumber.Next() % screenWidth);
sprite[i].posY = (randomNumber.Next() % screenHeight);
sprite[i].velX = 500.0f * randomNumber.Next() / Int32.MaxValue - 250.0f;
sprite[i].velY = 500.0f * randomNumber.Next() / Int32.MaxValue - 250.0f;
}
}
private void CreateSurfaces()
{
SurfaceDescription desc = new SurfaceDescription();
SurfaceCaps caps = new SurfaceCaps();
localClipper = new Clipper(localDevice);
localClipper.Window = owner;
desc.SurfaceCaps.PrimarySurface = true;
if (null != surfacePrimary)
surfacePrimary.Dispose();
surfacePrimary = new Surface(desc, localDevice);
surfacePrimary.Clipper = localClipper;
desc.Clear();
desc.SurfaceCaps.OffScreenPlain = true;
desc.Width = surfacePrimary.SurfaceDescription.Width;
desc.Height = surfacePrimary.SurfaceDescription.Height;
if (null != surfaceSecondary)
surfaceSecondary.Dispose();
surfaceSecondary = new Surface(desc, localDevice);
surfaceSecondary.FillStyle = 0;
}