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[GUI] Improve memory usage of image previews

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- also a bit increased performance of alpha mask resizing for previews
This commit is contained in:
VaDiM
2023-03-12 03:17:31 +03:00
parent 01957a9443
commit 44a1240f5f
5 changed files with 32 additions and 36 deletions
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30
AssetStudioUtility/SpriteHelper.cs
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@ -15,12 +15,13 @@ namespace AssetStudio
{
Off,
On,
MaskOnly
MaskOnly,
Export
}
public static class SpriteHelper
{
public static Image<Bgra32> GetImage(this Sprite m_Sprite, SpriteMaskMode spriteMaskVisibleMode = SpriteMaskMode.On)
public static Image<Bgra32> GetImage(this Sprite m_Sprite, SpriteMaskMode spriteMaskMode = SpriteMaskMode.On)
{
if (m_Sprite.m_SpriteAtlas != null && m_Sprite.m_SpriteAtlas.TryGet(out var m_SpriteAtlas))
{
@ -31,20 +32,19 @@ namespace AssetStudio
}
else
{
if (m_Sprite.m_RD.texture.TryGet(out var m_Texture2D) && m_Sprite.m_RD.alphaTexture.TryGet(out var m_AlphaTexture2D) && spriteMaskVisibleMode != SpriteMaskMode.Off)
if (m_Sprite.m_RD.texture.TryGet(out var m_Texture2D) && m_Sprite.m_RD.alphaTexture.TryGet(out var m_AlphaTexture2D) && spriteMaskMode != SpriteMaskMode.Off)
{
var tex = CutImage(m_Sprite, m_Texture2D, m_Sprite.m_RD.textureRect, m_Sprite.m_RD.textureRectOffset, m_Sprite.m_RD.downscaleMultiplier, m_Sprite.m_RD.settingsRaw);
var alphaTex = CutImage(m_Sprite, m_AlphaTexture2D, m_Sprite.m_RD.textureRect, m_Sprite.m_RD.textureRectOffset, m_Sprite.m_RD.downscaleMultiplier, m_Sprite.m_RD.settingsRaw);
if (tex.Width != alphaTex.Width || tex.Height != alphaTex.Height)
{
alphaTex.Mutate(x => x.Resize(tex.Width, tex.Height));
}
switch (spriteMaskVisibleMode)
switch (spriteMaskMode)
{
case SpriteMaskMode.On:
return ApplyRGBMask(tex, alphaTex);
tex.ApplyRGBMask(alphaTex, isPreview: true);
return tex;
case SpriteMaskMode.Export:
tex.ApplyRGBMask(alphaTex);
return tex;
case SpriteMaskMode.MaskOnly:
tex.Dispose();
return alphaTex;
@ -58,10 +58,16 @@ namespace AssetStudio
return null;
}
private static Image<Bgra32> ApplyRGBMask(Image<Bgra32> tex, Image<Bgra32> texMask)
private static void ApplyRGBMask(this Image<Bgra32> tex, Image<Bgra32> texMask, bool isPreview = false)
{
using (texMask)
{
if (tex.Width != texMask.Width || tex.Height != texMask.Height)
{
var resampler = isPreview ? KnownResamplers.NearestNeighbor : KnownResamplers.Bicubic;
texMask.Mutate(x => x.Resize(tex.Width, tex.Height, resampler));
}
tex.ProcessPixelRows(texMask, (sourceTex, targetTexMask) =>
{
for (int y = 0; y < texMask.Height; y++)
@ -75,8 +81,6 @@ namespace AssetStudio
}
}
});
return tex;
}
}