Mirrors/PKHeX
2
0
Fork 0
mirror of https://github.com/kwsch/PKHeX synced 2024-11-10 06:34:19 +00:00
Code Issues Projects Releases Packages Wiki Activity

Minor perf improvement to write 1x instead of 4x

Browse source
This commit is contained in:
Kurt 2022-05-08 13:02:24 -07:00
parent 781fa5c706
commit 681756caf1
1 changed files with 17 additions and 30 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

47
PKHeX.Drawing/ImageUtil.cs
View file

@ -126,14 +126,11 @@ public static class ImageUtil
public static void RemovePixels(Span<byte> pixels, ReadOnlySpan<byte> original)
{
for (int i = 0; i < original.Length; i += 4)
var arr = MemoryMarshal.Cast<byte, int>(pixels);
for (int i = original.Length - 4; i >= 0; i -= 4)
{
if (original[i + 3] == 0)
continue;
pixels[i + 0] = 0;
pixels[i + 1] = 0;
pixels[i + 2] = 0;
pixels[i + 3] = 0;
if (original[i + 3] != 0)
arr[i >> 2] = 0;
}
}
@ -145,33 +142,20 @@ public static class ImageUtil
public static void SetAllTransparencyTo(Span<byte> data, Color c, byte trans, int start)
{
byte R = c.R;
byte G = c.G;
byte B = c.B;
for (int i = start; i < data.Length; i += 4)
var arr = MemoryMarshal.Cast<byte, int>(data);
var value = Color.FromArgb(trans, c.R, c.G, c.G).ToArgb();
for (int i = data.Length - 4; i >= start; i -= 4)
{
if (data[i + 3] != 0)
continue;
data[i + 0] = B;
data[i + 1] = G;
data[i + 2] = R;
data[i + 3] = trans;
if (data[i + 3] == 0)
arr[i >> 2] = value;
}
}
public static void ChangeAllTo(Span<byte> data, Color c, int start, int end)
{
byte R = c.R;
byte G = c.G;
byte B = c.B;
byte A = c.A;
for (int i = start; i < end; i += 4)
{
data[i + 3] = A;
data[i + 2] = R;
data[i + 1] = G;
data[i + 0] = B;
}
var arr = MemoryMarshal.Cast<byte, int>(data).Slice(start / 4, (end - start) / 4);
var value = c.ToArgb();
arr.Fill(value);
}
public static void ChangeAllColorTo(Span<byte> data, Color c)
@ -208,6 +192,8 @@ public static class ImageUtil
CleanPollutedPixels(data, blue, green, red);
}
private const int PollutePixelColorIndex = 0;
private static void PollutePixels(Span<byte> data, int width, int reach, double amount)
{
int stride = width * 4;
@ -232,7 +218,8 @@ public static class ImageUtil
// update one of the color bits
// it is expected that a transparent pixel RGBA value is 0.
var c = 4 * (ix + (iy * width));
data[c + 0] += (byte)(amount * (0xFF - data[c + 0]));
ref var b = ref data[c + PollutePixelColorIndex];
b += (byte)(amount * (0xFF - b));
}
}
}
@ -248,7 +235,7 @@ public static class ImageUtil
continue;
// grab the transparency from the donor byte
var transparency = data[i + 0];
var transparency = data[i + PollutePixelColorIndex];
if (transparency == 0)
continue;