From 4e12ad52b6e2ac60fe00b644a66d4f76983cef87 Mon Sep 17 00:00:00 2001
From: Leon Styhre <leon.styhre@nw-soft.com>
Date: Sun, 9 Feb 2025 17:43:30 +0100
Subject: [PATCH] Added a BackgroundComponent to replace NinePatchComponent for
 rendering menu and popup backgrounds

---
 es-core/CMakeLists.txt                        |  2 +
 .../src/components/BackgroundComponent.cpp    | 44 +++++++++++++++++++
 es-core/src/components/BackgroundComponent.h  | 35 +++++++++++++++
 3 files changed, 81 insertions(+)
 create mode 100644 es-core/src/components/BackgroundComponent.cpp
 create mode 100644 es-core/src/components/BackgroundComponent.h

diff --git a/es-core/CMakeLists.txt b/es-core/CMakeLists.txt
index efaea1bb6..15510c3ac 100644
--- a/es-core/CMakeLists.txt
+++ b/es-core/CMakeLists.txt
@@ -39,6 +39,7 @@ set(CORE_HEADERS
 
     # Secondary GUI components
     ${CMAKE_CURRENT_SOURCE_DIR}/src/components/AnimatedImageComponent.h
+    ${CMAKE_CURRENT_SOURCE_DIR}/src/components/BackgroundComponent.h
     ${CMAKE_CURRENT_SOURCE_DIR}/src/components/BadgeComponent.h
     ${CMAKE_CURRENT_SOURCE_DIR}/src/components/BusyComponent.h
     ${CMAKE_CURRENT_SOURCE_DIR}/src/components/ButtonComponent.h
@@ -117,6 +118,7 @@ set(CORE_SOURCES
 
     # Secondary GUI components
     ${CMAKE_CURRENT_SOURCE_DIR}/src/components/AnimatedImageComponent.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/src/components/BackgroundComponent.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/src/components/BadgeComponent.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/src/components/BusyComponent.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/src/components/ButtonComponent.cpp
diff --git a/es-core/src/components/BackgroundComponent.cpp b/es-core/src/components/BackgroundComponent.cpp
new file mode 100644
index 000000000..16e6b8cff
--- /dev/null
+++ b/es-core/src/components/BackgroundComponent.cpp
@@ -0,0 +1,44 @@
+//  SPDX-License-Identifier: MIT
+//
+//  ES-DE Frontend
+//  BackgroundComponent.cpp
+//
+//  Displays a background frame with rounded corners.
+//  Used by menus, popups etc.
+//
+
+#include "components/BackgroundComponent.h"
+
+BackgroundComponent::BackgroundComponent(const glm::vec2 cornerSize)
+    : mRenderer {Renderer::getInstance()}
+    , mCornerSize {cornerSize}
+    , mFrameColor {mMenuColorFrame}
+    , mCornerAntialias {true}
+{
+}
+
+void BackgroundComponent::fitTo(glm::vec2 size, glm::vec3 position, glm::vec2 padding)
+{
+    if (padding != glm::vec2 {0.0f, 0.0f}) {
+        size += padding;
+        position.x -= padding.x / 2.0f;
+        position.y -= padding.y / 2.0f;
+    }
+
+    setSize(size);
+    setPosition(position);
+}
+
+void BackgroundComponent::render(const glm::mat4& parentTrans)
+{
+    if (!isVisible())
+        return;
+
+    glm::mat4 trans {parentTrans * getTransform()};
+
+    mRenderer->setMatrix(trans);
+    mRenderer->drawRect(0.0f, 0.0f, mSize.x, mSize.y, mFrameColor, mFrameColor, false, mOpacity,
+                        1.0f, Renderer::BlendFactor::SRC_ALPHA,
+                        Renderer::BlendFactor::ONE_MINUS_SRC_ALPHA,
+                        mCornerSize.x * mRenderer->getScreenResolutionModifier());
+}
diff --git a/es-core/src/components/BackgroundComponent.h b/es-core/src/components/BackgroundComponent.h
new file mode 100644
index 000000000..1beccd62d
--- /dev/null
+++ b/es-core/src/components/BackgroundComponent.h
@@ -0,0 +1,35 @@
+//  SPDX-License-Identifier: MIT
+//
+//  ES-DE Frontend
+//  BackgroundComponent.h
+//
+//  Displays a background frame with rounded corners.
+//  Used by menus, popups etc.
+//
+
+#ifndef ES_CORE_COMPONENTS_BACKGROUND_COMPONENT_H
+#define ES_CORE_COMPONENTS_BACKGROUND_COMPONENT_H
+
+#include "GuiComponent.h"
+#include "renderers/Renderer.h"
+
+class BackgroundComponent : public GuiComponent
+{
+public:
+    BackgroundComponent(const glm::vec2 cornerSize = glm::vec2 {30.0f, 30.0f});
+
+    void fitTo(glm::vec2 size,
+               glm::vec3 position = {0.0f, 0.0f, 0.0f},
+               glm::vec2 padding = {0.0f, 0.0f});
+    void setFrameColor(unsigned int frameColor) { mFrameColor = frameColor; }
+
+    void render(const glm::mat4& parentTrans) override;
+
+private:
+    Renderer* mRenderer;
+    glm::vec2 mCornerSize;
+    unsigned int mFrameColor;
+    bool mCornerAntialias;
+};
+
+#endif // ES_CORE_COMPONENTS_BACKGROUND_COMPONENT_H