1 files changed, 153 insertions, 0 deletions

diff --git a/Source/modules/asura-core/Window/WindowImplSDL.cpp b/Source/modules/asura-core/Window/WindowImplSDL.cpp
new file mode 100644
index 0000000..23b2aed
--- /dev/null
+++ b/Source/modules/asura-core/Window/WindowImplSDL.cpp
@@ -0,0 +1,153 @@
+#include "../CoreConfig.h"
+
+#if ASURA_WINDOW_SDL
+
+#include <SDL2/SDL.h>
+
+#include <asura-base/Exception.h>
+
+#include "WindowImplSDL.h"
+
+using namespace AEGraphics;
+using namespace AEImage;
+
+namespace_begin(AsuraEngine)
+namespace_begin(Window)
+
+#define asura_flag_to_sdl_flag(flag, _flag, _sdl_flag) \
+if ((flag & _flag) != 0) \
+	flag |= _sdl_flag
+
+WindowImplSDL::WindowImplSDL()
+	: m_Wnd(nullptr)
+	, m_GLContext(0)
+{
+}
+
+WindowImplSDL::~WindowImplSDL()
+{
+	SDL_GL_DeleteContext(m_GLContext);
+	SDL_DestroyWindow(m_Wnd);
+	SDL_FlushEvent(SDL_WINDOWEVENT);
+}
+
+bool WindowImplSDL::Init(const WindowConfig& config)
+{
+	if (SDL_Init(SDL_INIT_VIDEO) < 0)
+		return false;
+
+	int flag = 0;
+	asura_flag_to_sdl_flag(flag, WINDOW_FULLSCREEN, SDL_WINDOW_FULLSCREEN);
+	asura_flag_to_sdl_flag(flag, WINDOW_OPENGL, SDL_WINDOW_OPENGL);
+	asura_flag_to_sdl_flag(flag, WINDOW_SHOWN, SDL_WINDOW_SHOWN);
+	asura_flag_to_sdl_flag(flag, WINDOW_HIDDEN, SDL_WINDOW_HIDDEN);
+	asura_flag_to_sdl_flag(flag, WINDOW_BORDERLESS, SDL_WINDOW_BORDERLESS);
+	asura_flag_to_sdl_flag(flag, WINDOW_RESIZABLE, SDL_WINDOW_RESIZABLE);
+	asura_flag_to_sdl_flag(flag, WINDOW_MINIMIZED, SDL_WINDOW_MINIMIZED);
+	asura_flag_to_sdl_flag(flag, WINDOW_MAXIMIZED, SDL_WINDOW_MAXIMIZED);
+	asura_flag_to_sdl_flag(flag, WINDOW_INPUT_GRABBED, SDL_WINDOW_INPUT_GRABBED);
+	asura_flag_to_sdl_flag(flag, WINDOW_INPUT_FOCUS, SDL_WINDOW_INPUT_FOCUS);
+	asura_flag_to_sdl_flag(flag, WINDOW_MOUSE_FOCUS, SDL_WINDOW_MOUSE_FOCUS);
+	asura_flag_to_sdl_flag(flag, WINDOW_ALLOW_HIGHDPI, SDL_WINDOW_ALLOW_HIGHDPI);
+	asura_flag_to_sdl_flag(flag, WINDOW_MOUSE_CAPTURE, SDL_WINDOW_MOUSE_CAPTURE);
+	asura_flag_to_sdl_flag(flag, WINDOW_ALWAYS_ON_TOP, SDL_WINDOW_ALWAYS_ON_TOP);
+
+	// Set GL window / framebuffer attributes.
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
+	SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
+	SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
+	SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
+	SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
+	SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
+	SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
+	SDL_GL_SetAttribute(SDL_GL_RETAINED_BACKING, 0);
+
+	m_Wnd = SDL_CreateWindow(config.title.c_str(), config.x, config.y, config.width, config.height, flag);
+
+	if (!m_Wnd)
+		return false;
+
+	// ����ͼ��
+	try
+	{
+		if (config.icon)
+		{
+			ImageData* img = config.icon;
+			if (img->format == COLOR_FORMAT_RGBA8)
+			{
+				SDL_Surface *surface;
+
+				img->Lock();
+
+				int w = img->width, h = img->height;
+				surface = SDL_CreateRGBSurfaceFrom(
+					img->pixels,
+					w, h,
+					32,
+					w * 4,
+					Color32::RMASK,
+					Color32::GMASK,
+					Color32::BMASK,
+					Color32::AMASK
+				);
+
+				img->Unlock();
+
+				SDL_SetWindowIcon(m_Wnd, surface);
+				SDL_FreeSurface(surface);
+			}
+		}
+	}
+	catch (...)
+	{
+	}
+
+	m_GLContext = SDL_GL_CreateContext(m_Wnd);
+
+	if (!m_GLContext)
+	{
+		SDL_DestroyWindow(m_Wnd);
+		return false;
+	}
+
+	SDL_GL_MakeCurrent(m_Wnd, m_GLContext);
+	SDL_GL_SetSwapInterval(config.vsync ? 1 : 0);
+
+	return true;
+}
+
+void WindowImplSDL::SetSize(uint width, uint height)
+{
+	SDL_SetWindowSize(m_Wnd, width, height);
+}
+
+void WindowImplSDL::SetPosition(int x, int y)
+{
+	SDL_SetWindowPosition(m_Wnd, x, y);
+}
+
+void WindowImplSDL::SetTitils(const std::string& title)
+{
+	SDL_SetWindowTitle(m_Wnd, title.c_str());
+}
+
+void WindowImplSDL::Show()
+{
+	SDL_ShowWindow(m_Wnd);
+}
+
+void WindowImplSDL::Hide()
+{
+	SDL_HideWindow(m_Wnd);
+}
+
+void WindowImplSDL::SwapRenderBuffer()
+{
+	SDL_GL_SwapWindow(m_Wnd);
+}
+
+namespace_end
+namespace_end
+
+#endif // ASURA_WINDOW_SDL
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