Repo created

libs/drape/symbols_texture.hpp

@@ -0,0 +1,57 @@
+#pragma once
+
+#include "drape/texture.hpp"
+
+#include <map>
+#include <string>
+#include <vector>
+
+namespace dp
+{
+class SymbolsTexture : public Texture
+{
+public:
+  class SymbolKey : public Key
+  {
+  public:
+    explicit SymbolKey(std::string const & symbolName);
+    ResourceType GetType() const override;
+    std::string const & GetSymbolName() const;
+
+  private:
+    std::string m_symbolName;
+  };
+
+  class SymbolInfo : public ResourceInfo
+  {
+  public:
+    explicit SymbolInfo(m2::RectF const & texRect);
+    ResourceType GetType() const override;
+  };
+
+  SymbolsTexture(ref_ptr<dp::GraphicsContext> context, std::string const & skinPathName,
+                 std::string const & textureName, ref_ptr<HWTextureAllocator> allocator);
+
+  ref_ptr<ResourceInfo> FindResource(Key const & key, bool & newResource) override;
+
+  void Invalidate(ref_ptr<dp::GraphicsContext> context, std::string const & skinPathName,
+                  ref_ptr<HWTextureAllocator> allocator);
+  void Invalidate(ref_ptr<dp::GraphicsContext> context, std::string const & skinPathName,
+                  ref_ptr<HWTextureAllocator> allocator, std::vector<drape_ptr<HWTexture>> & internalTextures);
+
+  bool IsSymbolContained(std::string const & symbolName) const;
+
+  static bool DecodeToMemory(std::string const & skinPathName, std::string const & textureName,
+                             std::vector<uint8_t> & symbolsSkin, std::map<std::string, m2::RectU> & symbolsIndex,
+                             uint32_t & skinWidth, uint32_t & skinHeight);
+
+private:
+  void Fail(ref_ptr<dp::GraphicsContext> context);
+  void Load(ref_ptr<dp::GraphicsContext> context, std::string const & skinPathName,
+            ref_ptr<HWTextureAllocator> allocator);
+
+  using TSymDefinition = std::map<std::string, SymbolInfo>;
+  std::string m_name;
+  mutable TSymDefinition m_definition;
+};
+}  // namespace dp