Imported TextLine and TextBox, added Image::CopyTexture

common/graphics/image.cpp

@@ -101,9 +101,10 @@ SDL_Texture* Image::Create(SDL_Renderer* renderer, Uint16 w, Uint16 h) {
 	//make the texture
 	texture = SDL_CreateTexture(renderer,
 		SDL_PIXELFORMAT_RGBA8888,
-		SDL_TEXTUREACCESS_STATIC,
+		SDL_TEXTUREACCESS_TARGET,
 		w, h);
 
+	//check
 	if (!texture) {
 		std::ostringstream msg;
 		msg << "Failed to create a texture; " << SDL_GetError();
@@ -121,6 +122,31 @@ SDL_Texture* Image::Create(SDL_Renderer* renderer, Uint16 w, Uint16 h) {
 	}
 	local = true;
 
+	//blank (black) texture
+	SDL_SetRenderTarget(renderer, texture);
+	SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
+	SDL_RenderFillRect(renderer, nullptr);
+	SDL_SetRenderTarget(renderer, nullptr);
+
+	return texture;
+}
+
+SDL_Texture* Image::CopyTexture(SDL_Renderer* renderer, SDL_Texture* ptr) {
+	Free();
+	int w = 0, h = 0;
+
+	//get the info
+	SDL_QueryTexture(ptr, nullptr, nullptr, &w, &h);
+
+	//create a texture of (w, h) size (also sets the metadata)
+	Create(renderer, w, h);
+
+	//copy the argument texture to the local texture
+	SDL_SetRenderTarget(renderer, texture);
+	SDL_RenderCopy(renderer, ptr, nullptr, nullptr);
+	SDL_SetRenderTarget(renderer, nullptr);
+
+	//return the local texture
 	return texture;
 }
 

common/graphics/image.hpp

@@ -40,6 +40,7 @@ public:
 
 	SDL_Texture* Load(SDL_Renderer* renderer, std::string fname);
 	SDL_Texture* Create(SDL_Renderer* renderer, Uint16 w, Uint16 h);
+	SDL_Texture* CopyTexture(SDL_Renderer* renderer, SDL_Texture* ptr);
 	SDL_Texture* SetTexture(SDL_Texture*);
 	SDL_Texture* GetTexture() const;
 	virtual void Free();