rlottie_capi: Add Alpha member in ImageInfo

diff --git a/inc/rlottiecommon.h b/inc/rlottiecommon.h
index 07e751a..f87b5c4 100644 (file)
--- a/inc/rlottiecommon.h
+++ b/inc/rlottiecommon.h
@@ -161,6 +161,7 @@ typedef struct LOTNode {
         unsigned char *data;
         size_t width;
         size_t height;
+        unsigned char mAlpha;
         struct {
            float m11; float m12; float m13;
            float m21; float m22; float m23;

diff --git a/src/lottie/lottieitem_capi.cpp b/src/lottie/lottieitem_capi.cpp
index f093958..295ed03 100644 (file)
--- a/src/lottie/lottieitem_capi.cpp
+++ b/src/lottie/lottieitem_capi.cpp
@@ -196,6 +196,9 @@ void LOTImageLayerItem::buildLayerNode()
         lotDrawable->mCNode->mImageInfo.mMatrix.m32 = combinedMatrix().m_ty();
         lotDrawable->mCNode->mImageInfo.mMatrix.m33 = combinedMatrix().m_33();
 
+        // Alpha calculation already combined.
+        lotDrawable->mCNode->mImageInfo.mAlpha = uchar(lotDrawable->mBrush.mTexture->mAlpha);
+
         cnodes().push_back(lotDrawable->mCNode.get());
     }
     clayer().mNodeList.ptr = cnodes().data();