/// <summary>Must be called for the icons tile.</summary>
public void LoadIcons()
{
using (BitmapResource image = new BitmapResource(imageFile, (maskFile != null ? PixelFormat.Format32bppArgb : PixelFormat.Format24bppRgb))) {
if (maskFile != null)
{
using (BitmapResource mask = new BitmapResource(maskFile, PixelFormat.Format24bppRgb)) {
applyMask(image, mask);
}
}
size = new SizeF((float)image.BitmapData.Width, (float)image.BitmapData.Height);
for (int i = (int)detailLevel; i > 0; --i)
{
size = new SizeF(size.Width * 2, size.Height * 2);
}
int mipMapLevelCount = 1;
tiles = new DXTile[mipMapLevelCount + (int)detailLevel][, ];
int mipMapLevel = (int)detailLevel;
tiles[mipMapLevel] = new DXTile[1, 1];
tiles[mipMapLevel][0, 0] = new DXTile(this);
tiles[mipMapLevel][0, 0].Initialize(
image.BitmapData.Scan0, image.BitmapData.Stride, image.BitmapData.PixelFormat,
new Point(0 * 254 - 1, 0 * 254 - 1),
new Point(Math.Min(0 * 254 + 255, image.BitmapData.Width), Math.Min(0 * 254 + 255, image.BitmapData.Height)),
true);
}
}
private IEnumerable <float> createMipMappedTilesIncrements(BitmapResource image)
{
int width = image.BitmapData.Width;
int height = image.BitmapData.Height;
int stride = image.BitmapData.Stride;
PixelFormat pixelFormat = image.BitmapData.PixelFormat;
int mipMapLevelCount =
Math.Max(
3, // at least 3 mip-maps
Math.Max(
(int)Math.Ceiling(Math.Log(width / 254, 2) + 1),
(int)Math.Ceiling(Math.Log(height / 254, 2) + 1)));
tiles = new DXTile[mipMapLevelCount + (int)detailLevel][, ];
IntPtr currentMipMapBitmap = image.BitmapData.Scan0;
float totalProgress = 0.0f; // between 0 and 1
float nextProgressIncrement = 3.0f / 4.0f;
for (int mipMapLevel = (int)detailLevel; mipMapLevel < mipMapLevelCount + (int)detailLevel; ++mipMapLevel)
{
if (mipMapLevel > (int)detailLevel)
{
createNextLowerMipMap(currentMipMapBitmap, width, height, stride, pixelFormat);
width = (width + 1) / 2;
height = (height + 1) / 2;
stride = width * (pixelFormat == PixelFormat.Format24bppRgb ? 3 : 4);
totalProgress += nextProgressIncrement;
nextProgressIncrement *= 0.25f;
}
if (mipMapLevel >= (int)graphics.Properties.MapsAndCountersDetailLevel)
{
int columnCount = (width + 253) / 254;
int rowCount = (height + 253) / 254;
tiles[mipMapLevel] = new DXTile[columnCount, rowCount];
foreach (float progress in createSingleMipMapTilesIncrements(tiles[mipMapLevel], currentMipMapBitmap, width, height, stride, pixelFormat))
{
yield return(totalProgress + progress * nextProgressIncrement);
}
}
}
}
private IEnumerable <float> createSingleMipMapTilesIncrements(DXTile[,] tiles, IntPtr bitmapBits, int width, int height, int stride, PixelFormat pixelFormat)
{
int columnCount = tiles.GetLength(0);
int rowCount = tiles.GetLength(1);
float progress = 0.0f;
float progressIncrement = 1.0f / (rowCount * columnCount);
for (int r = 0; r < rowCount; ++r)
{
for (int c = 0; c < columnCount; ++c)
{
tiles[c, r] = new DXTile(this);
tiles[c, r].Initialize(
bitmapBits, stride, pixelFormat,
new Point(c * 254 - 1, r * 254 - 1),
new Point(Math.Min(c * 254 + 255, width), Math.Min(r * 254 + 255, height)),
false);
progress += progressIncrement;
yield return(progress);
}
}
}
/// <summary>Must be called in a loop for the tile set to be fully loaded.</summary>
/// <returns>Progress between 0 and 1.</returns>
public IEnumerable <float> LoadIncrementally()
{
if (imageFile.Archive == null ||
(!imageFile.FileName.EndsWith(".jpg", StringComparison.OrdinalIgnoreCase) && !imageFile.FileName.EndsWith(".png", StringComparison.OrdinalIgnoreCase)) ||
(maskFile != null && !maskFile.FileName.EndsWith(".jpg", StringComparison.OrdinalIgnoreCase) && !maskFile.FileName.EndsWith(".png", StringComparison.OrdinalIgnoreCase)))
{
goto fallBack;
}
// optimized native code simd-ed multithreaded pipeline
{
int error;
uint skippedMipMapLevels = (uint)Math.Max(0, (int)graphics.Properties.MapsAndCountersDetailLevel - (int)detailLevel);
IntPtr imageLoader = ZunTzuLib.CreateImageLoader(imageFile.Archive.FileName, imageFile.FileName, (maskFile != null ? maskFile.FileName : ""), skippedMipMapLevels, 1);
try {
uint width;
uint height;
if (0 != (error = ZunTzuLib.GetImageDimensions(imageLoader, out width, out height)))
{
//throw new ApplicationException(string.Format("Error while loading image: code {0}", error));
goto fallBack;
}
size = new SizeF((float)width, (float)height);
for (int i = (int)detailLevel; i > 0; --i)
{
size = new SizeF(size.Width * 2, size.Height * 2);
}
int mipMapLevelCount =
Math.Max(
3, // at least 3 mip-maps
Math.Max(
(int)Math.Ceiling(Math.Log(width / 254, 2) + 1),
(int)Math.Ceiling(Math.Log(height / 254, 2) + 1)));
tiles = new DXTile[mipMapLevelCount + (int)detailLevel][, ];
uint tileCount = 0;
for (int mipMapLevel = (int)detailLevel; mipMapLevel < mipMapLevelCount + (int)detailLevel; ++mipMapLevel)
{
if (mipMapLevel >= (int)graphics.Properties.MapsAndCountersDetailLevel)
{
uint columnCount = (width + 253) / 254;
uint rowCount = (height + 253) / 254;
tiles[mipMapLevel] = new DXTile[columnCount, rowCount];
tileCount += columnCount * rowCount;
}
width = (width + 1) / 2;
height = (height + 1) / 2;
}
uint mipmapLevel; // regardless of detailLevel (i.e. first mipmap is always zero)
uint x;
uint y;
for (uint i = 0; i < tileCount; ++i)
{
Texture texture = new Texture(graphics.Device, 256, 256, 1, 0, (maskFile == null ? Format.Dxt1 : Format.Dxt5), Pool.Managed);
if (0 != (error = loadNextTexture(imageLoader, texture, out mipmapLevel, out x, out y)))
{
texture.UnlockRectangle(0);
//throw new ApplicationException(string.Format("Error while loading image: code {0}", error));
goto fallBack;
}
texture.UnlockRectangle(0);
DXTile tile = new DXTile(this);
tiles[mipmapLevel + (int)detailLevel][x, y] = tile;
tile.Initialize(maskFile == null ? Format.Dxt1 : Format.Dxt5, texture);
yield return((float)(i + 1) / (float)tileCount);
}
} finally {
ZunTzuLib.FreeImageLoader(imageLoader);
}
yield break;
}
fallBack:
{
BitmapResource image = null;
try {
if (maskFile != null)
{
image = new BitmapResource(imageFile, PixelFormat.Format32bppArgb);
BitmapResource mask = null;
try {
mask = new BitmapResource(maskFile, PixelFormat.Format24bppRgb);
applyMask(image, mask);
} finally {
if (mask != null)
{
mask.Dispose();
}
}
}
else
{
image = new BitmapResource(imageFile, PixelFormat.Format24bppRgb);
}
// TODO: find the correct progress for loading the bitmaps
yield return(0.0f);
size = new SizeF((float)image.BitmapData.Width, (float)image.BitmapData.Height);
for (int i = (int)detailLevel; i > 0; --i)
{
size = new SizeF(size.Width * 2, size.Height * 2);
}
foreach (float progress in createMipMappedTilesIncrements(image))
{
yield return(progress);
}
} finally {
if (image != null)
{
image.Dispose();
}
}
}
}
/// <summary>This is to get rid of the annoying warning "is never assigned to, and will always have its default value"</summary>
private Quad(RectangleF dummy)
{
Tile = null; Coordinates = TextureCoordinates = dummy;
}