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Faster Imaging using Bitmap.LockBits()

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This commit is contained in:
SciresM 2015-08-22 14:55:43 -07:00
parent d9e3d4fa91
commit 1886bea017
1 changed files with 47 additions and 41 deletions
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88
Subforms/Garden.cs
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@ -854,7 +854,8 @@ private int getItemIndex(int X, int Y, int width)
private Image getAcreItemPic(int quadrant, Item[] items)
{
const int itemsize = 4 * mapScale;
Bitmap b = new Bitmap(64 * mapScale, 64 * mapScale);
int Width = 64 * mapScale, Height = 64*mapScale;
byte[] bmpData = new byte[4 * ((Width) * (Height))];
for (int i = 0; i < 0x100; i++) // loop over acre data
{
int X = i % 16;
@ -865,30 +866,33 @@ private Image getAcreItemPic(int quadrant, Item[] items)
continue; // skip this one.
string itemType = getItemType(item.ID);
Color itemColor = getItemColor(itemType);
itemColor = Color.FromArgb(200, itemColor.R, itemColor.G, itemColor.B);
uint itemColor = getItemColor(itemType);
// Plop into image
for (int x = 0; x < itemsize*itemsize; x++)
{
int rX = (X * itemsize + x % itemsize);
int rY = (Y * itemsize + x / itemsize);
b.SetPixel(rX, rY, itemColor);
Buffer.BlockCopy(BitConverter.GetBytes(itemColor), 0, bmpData, ((Y * itemsize + x / itemsize) * Width * 4) + ((X * itemsize + x % itemsize) * 4), 4);
}
// Buried
if (item.Buried)
{
for (int z = 2; z < itemsize - 1; z++)
{
b.SetPixel(X * itemsize + z, Y * itemsize + z, Color.Black);
b.SetPixel(X * itemsize + itemsize - z, Y * itemsize + z, Color.Black);
Buffer.BlockCopy(BitConverter.GetBytes(0xFF000000), 0, bmpData, ((Y * itemsize + z) * Width * 4) + ((X * itemsize + z) * 4), 4);
Buffer.BlockCopy(BitConverter.GetBytes(0xFF000000), 0, bmpData, ((Y * itemsize + z) * Width * 4) + ((X * itemsize + itemsize - z) * 4), 4);
}
}
}
for (int i = 0; i < b.Width * b.Height; i++) // slap on a grid
for (int i = 0; i < Width * Height; i++) // slap on a grid
if (i % (itemsize) == 0 || (i / (16 * itemsize)) % (itemsize) == 0)
b.SetPixel(i % (16 * itemsize), i / (16 * itemsize), Color.FromArgb(65, 0xFF, 0xFF, 0xFF));
{
Buffer.BlockCopy(BitConverter.GetBytes(0x41FFFFFF), 0, bmpData, ((i / (16 * itemsize)) * Width * 4) + ((i % (16 * itemsize)) * 4), 4);
}
Bitmap b = new Bitmap(Width, Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
System.Drawing.Imaging.BitmapData bData = b.LockBits(new Rectangle(0, 0, Width, Height), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
System.Runtime.InteropServices.Marshal.Copy(bmpData, 0, bData.Scan0, bmpData.Length);
b.UnlockBits(bData);
return b;
}
@ -915,36 +919,37 @@ private string getItemType(ushort ID)
return "unknown";
}
private Color getItemColor(string itemType)
private uint getItemColor(string itemType)
{
switch (itemType)
{
case "furniture": return ColorTranslator.FromHtml("#3cde30");
case "flower": return ColorTranslator.FromHtml("#ec67b8");
case "wiltedflower": return ColorTranslator.FromHtml("#ac2778");
case "pattern": return ColorTranslator.FromHtml("#877861");
case "money": return Color.Yellow;
case "rock": return Color.Black;
case "song": return ColorTranslator.FromHtml("#a4ecb8");
case "paper": return ColorTranslator.FromHtml("#a4ece8");
case "turnip": return ColorTranslator.FromHtml("#bbac9d");
case "catchable": return ColorTranslator.FromHtml("#bae33e");
case "wallfloor": return ColorTranslator.FromHtml("#994040");
case "clothes": return ColorTranslator.FromHtml("#2874aa");
case "gyroids": return ColorTranslator.FromHtml("#d48324");
case "mannequin": return ColorTranslator.FromHtml("#2e5570");
case "art": return ColorTranslator.FromHtml("#cf540a");
case "fossil": return ColorTranslator.FromHtml("#868686");
case "tool": return ColorTranslator.FromHtml("#818181");
case "tree": return Color.White;
case "weed": return Color.Green;
case "furniture": return 0xc83cde30;
case "flower": return 0xc8ec67b8;
case "wiltedflower": return 0xc8ac2778;
case "pattern": return 0xc8877861;
case "money": return 0xc8ffff00;
case "rock": return 0xc8000000;
case "song": return 0xc8a4ecb8;
case "paper": return 0xc8a4ece8;
case "turnip": return 0xc8bbac9d;
case "catchable": return 0xc8bae33e;
case "wallfloor": return 0xc8994040;
case "clothes": return 0xc82874aa;
case "gyroids": return 0xc8d48324;
case "mannequin": return 0xc82e5570;
case "art": return 0xc8cf540a;
case "fossil": return 0xc8868686;
case "tool": return 0xc8818181;
case "tree": return 0xc8ffffff;
case "weed": return 0xc8008000;
}
return Color.Red;
return 0xc8ff0000;
}
private Image getItemPic(int itemsize, int itemsPerRow, Item[] items)
{
Bitmap b = new Bitmap(itemsize * itemsPerRow, itemsize * items.Length / itemsPerRow);
int Width = itemsize * itemsPerRow, Height = itemsize * items.Length / itemsPerRow;
byte[] bmpData = new byte[4 * ((Width) * (Height))];
for (int i = 0; i < items.Length; i++) // loop over acre data
{
int X = i % itemsPerRow;
@ -955,30 +960,31 @@ private Image getItemPic(int itemsize, int itemsPerRow, Item[] items)
continue; // skip this one.
string itemType = getItemType(item.ID);
Color itemColor = getItemColor(itemType);
itemColor = Color.FromArgb(200, itemColor.R, itemColor.G, itemColor.B);
uint itemColor = getItemColor(itemType);
// Plop into image
for (int x = 0; x < itemsize * itemsize; x++)
{
int rX = (X * itemsize + x / itemsize);
int rY = (Y * itemsize + x % itemsize);
b.SetPixel(rX, rY, itemColor);
Buffer.BlockCopy(BitConverter.GetBytes(itemColor), 0, bmpData, ((Y * itemsize + x % itemsize) * Width * 4) + ((X * itemsize + x / itemsize) * 4), 4);
}
// Buried
if (item.Buried)
{
for (int z = 2; z < itemsize - 1; z++)
{
b.SetPixel(X * itemsize + z, Y * itemsize + z, Color.Black);
b.SetPixel(X * itemsize + itemsize - z, Y * itemsize + z, Color.Black);
Buffer.BlockCopy(BitConverter.GetBytes(0xFF000000), 0, bmpData, ((Y * itemsize + z) * Width * 4) + ((X * itemsize + z) * 4), 4);
Buffer.BlockCopy(BitConverter.GetBytes(0xFF000000), 0, bmpData, ((Y * itemsize + z) * Width * 4) + ((X * itemsize + itemsize - z) * 4), 4);
}
}
}
for (int i = 0; i < b.Width * b.Height; i++) // slap on a grid
for (int i = 0; i < Width * Height; i++) // slap on a grid
if (i % (itemsize) == 0 || (i / (itemsize * itemsPerRow)) % (itemsize) == 0)
b.SetPixel(i % (itemsize * itemsPerRow), i / (itemsize * itemsPerRow), Color.FromArgb(25, 0x0, 0x0, 0x0));
Buffer.BlockCopy(BitConverter.GetBytes(0x17000000), 0, bmpData, ((i / (itemsize * itemsPerRow)) * Width * 4) + ((i % (itemsize * itemsPerRow)) * 4), 4);
Bitmap b = new Bitmap(Width, Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
System.Drawing.Imaging.BitmapData bData = b.LockBits(new Rectangle(0, 0, Width, Height), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
System.Runtime.InteropServices.Marshal.Copy(bmpData, 0, bData.Scan0, bmpData.Length);
b.UnlockBits(bData);
return b;
}