From 8b9c14c827c305fea06399d08aaf438cd580b5ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E5=8A=B2=E9=B9=8F?= <jingpeng.wang@outlook.com>
Date: Tue, 25 May 2021 11:30:11 +0800
Subject: [PATCH] add text shadow

---
 doric-Qt/example/doric/resources/text.qml     | 25 +++++++++++++++++++
 .../example/doric/shader/DoricTextNode.cpp    |  7 ++++++
 2 files changed, 32 insertions(+)

diff --git a/doric-Qt/example/doric/resources/text.qml b/doric-Qt/example/doric/resources/text.qml
index d2d5c82d..6006b1ac 100644
--- a/doric-Qt/example/doric/resources/text.qml
+++ b/doric-Qt/example/doric/resources/text.qml
@@ -1,5 +1,6 @@
 import QtQuick 2.12
 import QtQuick.Controls 2.5
+import QtGraphicalEffects 1.12
 
 import "util.mjs" as Util
 import "gravity.mjs" as Gravity
@@ -98,4 +99,28 @@ TextArea {
             mouseAreaBridge.onClick(wrapper)
         }
     }
+
+    property var shadowColor
+    property var shadowRadius
+    property var shadowOffsetX
+    property var shadowOffsetY
+    property var shadowOpacity
+
+    onShadowOpacityChanged: {
+        if (shadowOpacity > 0) {
+            layer.enabled = true
+        } else {
+            layer.enabled = false
+        }
+    }
+
+    layer.enabled: false
+    layer.effect: DropShadow {
+        horizontalOffset: shadowOffsetX
+        verticalOffset: shadowOffsetY
+        radius: shadowRadius
+        samples: 16
+        color: shadowColor
+        transparentBorder: true
+    }
 }
diff --git a/doric-Qt/example/doric/shader/DoricTextNode.cpp b/doric-Qt/example/doric/shader/DoricTextNode.cpp
index a44648e3..6bd6e1a0 100644
--- a/doric-Qt/example/doric/shader/DoricTextNode.cpp
+++ b/doric-Qt/example/doric/shader/DoricTextNode.cpp
@@ -32,6 +32,13 @@ void DoricTextNode::blend(QQuickItem *view, QString name, QJsonValue prop) {
     view->setProperty("textAlignment", prop.toInt());
   } else if (name == "fontStyle") {
     view->setProperty("fontStyle", prop.toString());
+  } else if (name == "shadow") {
+    view->setProperty("shadowColor", QVariant::fromValue(DoricUtils::doricColor(
+                                         prop["color"].toInt())));
+    view->setProperty("shadowRadius", prop["radius"].toDouble());
+    view->setProperty("shadowOffsetX", prop["offsetX"].toDouble());
+    view->setProperty("shadowOffsetY", prop["offsetY"].toDouble());
+    view->setProperty("shadowOpacity", prop["opacity"].toDouble());
   } else {
     DoricViewNode::blend(view, name, prop);
   }