From c818c6ac97e1437e35f2e90c1517098aa5f17e0e Mon Sep 17 00:00:00 2001
From: taoye <ty_9182@163.com>
Date: Fri, 17 Jan 2025 09:34:21 +0800
Subject: [PATCH] add lineargradientblur

Signed-off-by: taoye <ty_9182@163.com>
---
 .../cj_ffi/cj_view_abstract_ffi.cpp           | 28 +++++++++++++++++++
 .../interfaces/cj_ffi/cj_view_abstract_ffi.h  |  3 ++
 2 files changed, 31 insertions(+)

diff --git a/frameworks/bridge/cj_frontend/interfaces/cj_ffi/cj_view_abstract_ffi.cpp b/frameworks/bridge/cj_frontend/interfaces/cj_ffi/cj_view_abstract_ffi.cpp
index d6b17706d8b..eb39606cb77 100644
--- a/frameworks/bridge/cj_frontend/interfaces/cj_ffi/cj_view_abstract_ffi.cpp
+++ b/frameworks/bridge/cj_frontend/interfaces/cj_ffi/cj_view_abstract_ffi.cpp
@@ -853,6 +853,34 @@ void FfiOHOSAceFrameworkViewAbstractSetColorBlend(uint32_t color)
     ViewAbstractModel::GetInstance()->SetColorBlend(Color(color));
 }
 
+void FfiOHOSAceFrameworkViewAbstractSetLinearGradientBlur(double radius, int32_t direction,
+    VectorFloat64Ptr blurVec, VectorFloat64Ptr positionVec)
+{
+    double blurRadius = radius;
+    std::vector<std::pair<float, float>> fractionStops;
+    const auto& blurVector = *reinterpret_cast<std::vector<double>*>(blurVec);
+    const auto& positionVector = *reinterpret_cast<std::vector<double>*>(positionVec);
+    if (blurVector.size() <= 1) {
+        return;
+    }
+    float tmpPos = -1.0f;
+    for (size_t i = 0; i <blurVector.size(); i++) {
+        std::pair<float, float> fractionStop;
+        fractionStop.first = static_cast<float>(std::clamp(blurVector[i], 0.0, 1.0));
+        fractionStop.second = static_cast<float>(std::clamp(positionVector[i], 0.0, 1.0));
+        if (fractionStop.second <= tmpPos) {
+            fractionStops.clear();
+            return;
+        }
+        tmpPos = fractionStop.second;
+        fractionStops.push_back(fractionStop);
+    }
+    // Parse direction
+    CalcDimension dimensionRadius(static_cast<float>(blurRadius), DimensionUnit::PX);
+    NG::LinearGradientBlurPara blurPara(dimensionRadius, fractionStops, static_cast<NG::GradientDirection>(direction));
+    ViewAbstractModel::GetInstance()->SetLinearGradientBlur(blurPara);
+}
+
 void FfiOHOSAceFrameworkViewAbstractSetBackdropBlur(double value)
 {
     Dimension radius(value, DimensionUnit::PX);
diff --git a/frameworks/bridge/cj_frontend/interfaces/cj_ffi/cj_view_abstract_ffi.h b/frameworks/bridge/cj_frontend/interfaces/cj_ffi/cj_view_abstract_ffi.h
index d87669a6de3..6d75ca559ac 100644
--- a/frameworks/bridge/cj_frontend/interfaces/cj_ffi/cj_view_abstract_ffi.h
+++ b/frameworks/bridge/cj_frontend/interfaces/cj_ffi/cj_view_abstract_ffi.h
@@ -29,6 +29,7 @@
 using VectorMenuValuePtr = void*;
 using VectorStringPtr = void*;
 using VectorNativeRectangleHandle = void*;
+using VectorFloat64Ptr = void*;
 
 namespace OHOS::Ace::Framework {
 
@@ -365,6 +366,8 @@ CJ_EXPORT void FfiOHOSAceFrameworkViewAbstractSetSharedTransition(char* shareId,
 CJ_EXPORT void FfiOHOSAceFrameworkViewAbstractSetGeometryTransition(char* id, CJGeometryTransitionOptions option);
 CJ_EXPORT void FfiOHOSAceFrameworkViewAbstractSetBlur(double value);
 CJ_EXPORT void FfiOHOSAceFrameworkViewAbstractSetColorBlend(uint32_t color);
+CJ_EXPORT void FfiOHOSAceFrameworkViewAbstractSetLinearGradientBlur(double radius, int32_t direction,
+    VectorFloat64Ptr blurVec, VectorFloat64Ptr positionVec);
 CJ_EXPORT void FfiOHOSAceFrameworkViewAbstractSetBackdropBlur(double value);
 CJ_EXPORT void FfiOHOSAceFrameworkViewAbstractSetWindowBlur(float progress, int32_t styleValue);
 CJ_EXPORT void FfiOHOSAceFrameworkViewAbstractSetShadow(double radius, uint32_t color, double offsetX, double offsetY);
-- 
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