!19 Refactor wnd, add HelloWidgets

core_include/surface.h

@@ -0,0 +1,86 @@
+#ifndef GAL_H
+#define GAL_H
+
+class c_frame_layer
+{
+public:
+	c_frame_layer() { fb = NULL;}
+	unsigned short*	fb;
+	c_rect 	rect;
+};
+
+typedef enum
+{
+	Z_ORDER_LEVEL_0,//view/wave/page
+	Z_ORDER_LEVEL_1,//dialog
+	Z_ORDER_LEVEL_2,//editbox/spinbox/listbox/keyboard
+	Z_ORDER_LEVEL_MAX
+}Z_ORDER_LEVEL;
+
+struct EXTERNAL_GFX_OP
+{
+	void(*draw_pixel)(int x, int y, unsigned int rgb);
+	void(*fill_rect)(int x0, int y0, int x1, int y1, unsigned int rgb);
+};
+
+class c_display;
+class c_surface {
+	friend class c_display; friend class c_bitmap;
+public:
+	int get_width() { return m_width; }
+	int get_height() { return m_height; }
+	unsigned int get_pixel(int x, int y, unsigned int z_order);
+
+	void draw_pixel(int x, int y, unsigned int rgb, unsigned int z_order);
+	void fill_rect(int x0, int y0, int x1, int y1, unsigned int rgb, unsigned int z_order);
+	void draw_hline(int x0, int x1, int y, unsigned int rgb, unsigned int z_order);
+	void draw_vline(int x, int y0, int y1, unsigned int rgb, unsigned int z_order);
+	void draw_line(int x0, int y0, int x1, int y1, unsigned int rgb, unsigned int z_order);
+	void draw_rect(int x0, int y0, int x1, int y1, unsigned int rgb, unsigned int z_order, unsigned int size = 1);
+
+	inline void draw_rect(c_rect rect, unsigned int rgb, unsigned int size, unsigned int z_order)
+	{
+		draw_rect(rect.m_left, rect.m_top, rect.m_right, rect.m_bottom, rgb, z_order, size);
+	}
+	inline void fill_rect(c_rect rect, unsigned int rgb, unsigned int z_order)
+	{
+		fill_rect(rect.m_left, rect.m_top, rect.m_right, rect.m_bottom, rgb, z_order);
+	}
+
+	int flush_scrren(int left, int top, int right, int bottom);
+	bool is_valid(c_rect rect);
+	bool is_active() { return m_is_active; }
+	c_display* get_display() { return m_display; }
+
+	int set_frame_layer(c_rect& rect, unsigned int z_order);
+	void set_active(bool flag){m_is_active = flag;}
+protected:
+	virtual void fill_rect_on_fb(int x0, int y0, int x1, int y1, unsigned int rgb);
+	virtual void draw_pixel_on_fb(int x, int y, unsigned int rgb);
+	void set_surface(void* wnd_root, Z_ORDER_LEVEL max_z_order);
+	c_surface(c_display* display, unsigned int width, unsigned int height, unsigned int color_bytes);
+	int						m_width;		//in pixels
+	int						m_height;		//in pixels
+	int						m_color_bytes;	//16 bits, 32 bits only
+	void* 					m_fb;			//Top frame buffer you could see
+	c_frame_layer 			m_frame_layers[Z_ORDER_LEVEL_MAX];//Top layber fb always be NULL
+	void*					m_usr;
+	bool					m_is_active;
+	Z_ORDER_LEVEL			m_max_zorder;
+	Z_ORDER_LEVEL			m_top_zorder;
+	void*					m_phy_fb;
+	int*					m_phy_write_index;
+	c_display*				m_display;
+};
+
+class c_surface_no_fb : public c_surface {//No physical framebuffer, memory fb is 32 bits
+	friend class c_display;
+	c_surface_no_fb(c_display* display, unsigned int width, unsigned int height, unsigned int color_bytes, struct EXTERNAL_GFX_OP* gfx_op) :
+		c_surface(display, width, height, color_bytes) {m_gfx_op = gfx_op;}
+protected:
+	virtual void fill_rect_on_fb(int x0, int y0, int x1, int y1, unsigned int rgb);
+	virtual void draw_pixel_on_fb(int x, int y, unsigned int rgb);
+	struct EXTERNAL_GFX_OP* m_gfx_op;//Rendering by external method
+};
+
+#endif