From 8b9dbff0ee76087c764215d87f2e4fdbf1d743f7 Mon Sep 17 00:00:00 2001
From: JackLee <809262979@qq.com>
Date: Wed, 4 Mar 2026 19:43:11 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=83=8F=E7=B4=A0=E8=8E=B7?=
 =?UTF-8?q?=E5=8F=96?=
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---
 entry/src/main/cpp/CMakeLists.txt                |  2 +-
 .../src/main/cpp/NativeEGLOCCT/NativeRender.cpp  | 16 +++++++++++++++-
 entry/src/main/cpp/NativeEGLOCCT/NativeRender.h  |  7 +++++++
 3 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/entry/src/main/cpp/CMakeLists.txt b/entry/src/main/cpp/CMakeLists.txt
index 61ea1258..311461e8 100644
--- a/entry/src/main/cpp/CMakeLists.txt
+++ b/entry/src/main/cpp/CMakeLists.txt
@@ -45,7 +45,7 @@ find_library(GLES-lib GLESv3)
 
 #System so
 set(SYSTEM_LIBS
-  libace_napi.z.so libnative_window.so
+  libace_napi.z.so libnative_window.so libnative_display_manager.so
   hilog_ndk.z ace_ndk.z uv z
 )
 
diff --git a/entry/src/main/cpp/NativeEGLOCCT/NativeRender.cpp b/entry/src/main/cpp/NativeEGLOCCT/NativeRender.cpp
index f961ed41..86ac1e9c 100644
--- a/entry/src/main/cpp/NativeEGLOCCT/NativeRender.cpp
+++ b/entry/src/main/cpp/NativeEGLOCCT/NativeRender.cpp
@@ -55,7 +55,9 @@ bool NativeRender::init(int width, int height,EGLCore* eglCore) {
     OH_LOG_Print(LOG_APP, LOG_ERROR, LOG_PRINT_DOMAIN, "Render", "GL Error before render: 0x%{public}x", glGetError());
     return true;
 }
+
 void NativeRender::initViewer(){
+    displayPixelRatio();
     Handle(Aspect_DisplayConnection) displayConnection=new Aspect_DisplayConnection();
     // 创建图形驱动
     if (graphicDriver_.IsNull()) {
@@ -69,10 +71,21 @@ void NativeRender::initViewer(){
     viewer_->SetDefaultLights();
     viewer_->SetLightOn();
 }
+float NativeRender::displayPixelRatio(){
+    float densityPixels;
+    NativeDisplayManager_ErrorCode errCode = OH_NativeDisplayManager_GetDefaultDisplayVirtualPixelRatio(&densityPixels);
+    if (errCode == NativeDisplayManager_ErrorCode::DISPLAY_MANAGER_OK) {
+        OH_LOG_Print(LOG_APP, LOG_INFO, LOG_PRINT_DOMAIN, "DMSTest", "rotation=%{public}d", densityPixels);
+        return densityPixels;
+    } else {
+        OH_LOG_Print(LOG_APP, LOG_INFO, LOG_PRINT_DOMAIN, "DMSTest",
+            "GetDefaultDisplayRotation errCode=%{public}d", errCode);
+    }
+}
 void NativeRender::initContext(){
     context_ = new AIS_InteractiveContext(viewer_);
     context_->SetDisplayMode(AIS_Shaded, Standard_False); // 默认使用着色模式
-    //context_->SetPixelTolerance (int(myDevicePixelRatio * 6.0)); // increase tolerance and adjust to hi-dpi screens
+    context_->SetPixelTolerance (int(displayPixelRatio() * 6.0)); // increase tolerance and adjust to hi-dpi screens
 }
 void NativeRender::initView() {
     Handle(Aspect_NeutralWindow) m_Window = new Aspect_NeutralWindow();
@@ -81,6 +94,7 @@ void NativeRender::initView() {
     // 设置渲染参数
     view_->SetImmediateUpdate (false);
     //view_->ChangeRenderingParams().ToShowStats = true;
+    view_->ChangeRenderingParams().Resolution = (unsigned int )(96.0 * displayPixelRatio() + 0.5);
     view_->ChangeRenderingParams().Method = Graphic3d_RM_RASTERIZATION;
     view_->ChangeRenderingParams().IsShadowEnabled = Standard_False;
     view_->ChangeRenderingParams().IsReflectionEnabled = Standard_False;
diff --git a/entry/src/main/cpp/NativeEGLOCCT/NativeRender.h b/entry/src/main/cpp/NativeEGLOCCT/NativeRender.h
index b1eac616..8638ac9d 100644
--- a/entry/src/main/cpp/NativeEGLOCCT/NativeRender.h
+++ b/entry/src/main/cpp/NativeEGLOCCT/NativeRender.h
@@ -23,6 +23,9 @@
 #include "common.h"
 #include <EGL/egl.h>
 #include "EGLCore.h"
+#include <window_manager/oh_display_info.h>
+#include <window_manager/oh_display_manager.h>
+
 class Aspect_Window;
 class gp_Quaternion;
 class Graphic3d_Camera;
@@ -44,6 +47,7 @@ public:
     void setClearColor(float r, float g, float b, float a);
     void setZoomLevel(float zoom);
     void setTranslation(float x, float y);
+    float displayPixelRatio();
 private:
     void initViewer();
     void initContext();
@@ -61,11 +65,14 @@ private:
     
     float rotationX_;
     float rotationY_;
+    float rotationZ_; 
+
     float zoomLevel_;
     int width_;
     int height_;
     float translationX_;
     float translationY_;
+    float translationZ_;
     Quantity_Color clearColor_;
 };
 } // namespace NativeRender