# 0.2.6-2

- Add Scissor (CLIP RECT) to lithium commands and UI7 Drawlist API
- Enable ClipRect to UI7::Menu (probably create a enable/disable flag)

include/pd/core/common.hpp

@@ -34,6 +34,7 @@ SOFTWARE.
 #include <map>
 #include <memory>
 #include <sstream>
+#include <stack>
 #include <string>
 #include <vector>
 

include/pd/image/image.hpp

@@ -27,15 +27,15 @@ SOFTWARE.
 #include <pd/core/common.hpp>
 
 namespace PD {
-class ImgEdit {
+class Image {
  public:
-  ImgEdit() = default;
-  ImgEdit(const std::string& path) { this->Load(path); }
-  ImgEdit(const std::vector<u8>& buf) { this->Load(buf); }
-  ImgEdit(const std::vector<u8>& buf, int w, int h, int fmt = 4) {
+  Image() = default;
+  Image(const std::string& path) { this->Load(path); }
+  Image(const std::vector<u8>& buf) { this->Load(buf); }
+  Image(const std::vector<u8>& buf, int w, int h, int fmt = 4) {
     this->Copy(buf, w, h, fmt);
   }
-  ~ImgEdit() = default;
+  ~Image() = default;
 
   void Load(const std::string& path);
   void Load(const std::vector<u8>& buf);

include/pd/lithium/command.hpp

@@ -167,6 +167,24 @@ class Command : public SmartCtor<Command> {
    */
   RenderMode Rendermode() const { return mode; }
 
+  /** Setter for Scissor Mode */
+  Command& SetScissorMode(ScissorMode mode) {
+    scissor = mode;
+    return *this;
+  }
+
+  /** Getter for Scissor Mode */
+  ScissorMode GetScissorMode() const { return scissor; }
+
+  /** Setter for Scissor Area */
+  Command& ScissorRect(const vec4& v) {
+    scissor_area = v;
+    return *this;
+  }
+
+  /** Getter for Scissor Area */
+  vec4 ScissorRect() const { return scissor_area; }
+
  private:
   /**
    * Vertex Buffer
@@ -188,6 +206,10 @@ class Command : public SmartCtor<Command> {
   int index;
   /** RenderMode (Default to RenderMode_RGBA) */
   RenderMode mode = RenderMode_RGBA;
+  /** Scissor Mode (for defined area to render) */
+  ScissorMode scissor = ScissorMode_None;
+  /** scissor box (top left and bottom right) */
+  vec4 scissor_area;
 };
 }  // namespace LI
 }  // namespace PD

include/pd/lithium/flags.hpp

@@ -61,5 +61,11 @@ enum RenderMode {
   RenderMode_RGBA,  ///< RGBA [for textures or solid colors]
   RenderMode_Font,  ///< A8 [for textures only crated by 1 color channel]
 };
+/** Scissor Mode (for ClipRect related rendering) */
+enum ScissorMode {
+  ScissorMode_None = 0,      ///< No Scissor
+  ScissorMode_Inverted = 1,  ///< Render Pixels outside the box
+  ScissorMode_Normal = 3,    ///< Only render pixels inside the box
+};
 }  // namespace LI
 }  // namespace PD

include/pd/lithium/objects.hpp

@@ -118,6 +118,26 @@ class StaticObject : public SmartCtor<StaticObject> {
     }
   }
 
+  /**
+   *  Set a Custom Scissor Mode for Object Copy List
+   * @param m New Mode to Set
+   */
+  void ReSetScissorMode(ScissorMode m) {
+    for (auto& i : cpy) {
+      i->SetScissorMode(m);
+    }
+  }
+
+  /**
+   * Set Custom Scissor Rect to All Objects
+   * @param v Scissor Rect to set
+   */
+  void ReScissorRect(const vec4& v) {
+    for (auto& i : cpy) {
+      i->ScissorRect(v);
+    }
+  }
+
   /**
    * Get a Reference to the Copy Commands List
    * @return command list reference
@@ -296,6 +316,18 @@ class StaticText : public SmartCtor<StaticText> {
    */
   Font::Ref Font() { return font; }
 
+  /**
+   *  Set a Custom Scissor Mode Static Text
+   * @param m New Mode to Set
+   */
+  void SetScissorMode(ScissorMode m) { text->ReSetScissorMode(m); }
+
+  /**
+   * Set Custom Scissor Rect to Static Text
+   * @param v Scissor Rect to set
+   */
+  void ScissorRect(const vec4& v) { text->ReScissorRect(v); }
+
  private:
   /** Font */
   Font::Ref font;

include/pd/ui7/drawlist.hpp

@@ -85,6 +85,12 @@ class DrawList : public SmartCtor<DrawList> {
   /** Process [Render] the Drawlist */
   void Process();
 
+  /** Push a Clip Rect */
+  void PushClipRect(const vec4& v) { clip_rects.push(v); }
+
+  /** Revert Last Clip Rect */
+  void PopClipRect() { clip_rects.pop(); }
+
   /** Getter for the Layer */
   int Layer() const { return layer; }
   /** Setter fot the Layer */
@@ -100,9 +106,10 @@ class DrawList : public SmartCtor<DrawList> {
   friend class Menu;
   friend class Context;
 
-  int layer;              ///< Current Layer
-  int base;               ///< Base Layer
-  LI::Renderer::Ref ren;  ///< Renderer Reference
+  int layer;                    ///< Current Layer
+  int base;                     ///< Base Layer
+  LI::Renderer::Ref ren;        ///< Renderer Reference
+  std::stack<vec4> clip_rects;  ///< Stack containing Scissor Areas
   // Map for Auto Static Text
   std::unordered_map<u32, LI::StaticText::Ref> static_text;
   // List of Drawcommands generated