vector: support rendering of texture brush with alpha.

diff --git a/src/lottie/lottieitem.cpp b/src/lottie/lottieitem.cpp
index 7a59b2d..f8ec21a 100644 (file)
--- a/src/lottie/lottieitem.cpp
+++ b/src/lottie/lottieitem.cpp
@@ -671,7 +671,7 @@ void LOTImageLayerItem::updateContent()
     }
 
     if (flag() & DirtyFlagBit::Alpha) {
-        //@TODO handle alpha with the image.
+        mTexture.mAlpha = int(combinedAlpha() * 255);
     }
 }
 

diff --git a/src/vector/vbrush.h b/src/vector/vbrush.h
index f45f6cc..9500b93 100644 (file)
--- a/src/vector/vbrush.h
+++ b/src/vector/vbrush.h
@@ -62,6 +62,7 @@ public:
 struct VTexture {
     VBitmap  mBitmap;
     VMatrix  mMatrix;
+    int      mAlpha{255};
 };
 
 class VBrush {

diff --git a/src/vector/vdrawhelper.cpp b/src/vector/vdrawhelper.cpp
index 43050f2..e90c157 100644 (file)
--- a/src/vector/vdrawhelper.cpp
+++ b/src/vector/vdrawhelper.cpp
@@ -795,7 +795,7 @@ void VSpanData::setup(const VBrush &brush, VPainter::CompositionMode /*mode*/,
     case VBrush::Type::Texture: {
         mType = VSpanData::Type::Texture;
         initTexture(
-            &brush.mTexture->mBitmap, 255, VBitmapData::Plain,
+            &brush.mTexture->mBitmap, brush.mTexture->mAlpha, VBitmapData::Plain,
             brush.mTexture->mBitmap.rect());
         setupMatrix(brush.mTexture->mMatrix);
         break;