#include "SDL.h"
-#include "math/vector.h"
-#include "video/screen.h"
-#include "video/surface.h"
+#include "../math/vector.h"
+#include "../video/screen.h"
+#include "../video/surface.h"
namespace SuperTux
{
LAYER_GUI = 500
};
+ /// Handles drawing of things.
/**
* This class provides functions for drawing things on screen. It also
* maintains a stack of transforms that are applied to graphics.
DrawingContext();
~DrawingContext();
- /** Adds a drawing request for a surface into the request list */
+ /// Adds a drawing request for a surface into the request list.
void draw_surface(const Surface* surface, const Vector& position, int layer,
Uint32 drawing_effect = NONE_EFFECT);
- /** Adds a drawing request for part of a surface */
+ /// Adds a drawing request for part of a surface.
void draw_surface_part(const Surface* surface, const Vector& source,
const Vector& size, const Vector& dest, int layer,
Uint32 drawing_effect = NONE_EFFECT);
- /** draws a text */
+ /// Draws a text.
void draw_text(Font* font, const std::string& text, const Vector& position,
- int layer, Uint32 drawing_effect = NONE_EFFECT);
- /** draws aligned text */
- void draw_text_center(Font* font, const std::string& text,
- const Vector& position, int layer, Uint32 drawing_effect = NONE_EFFECT);
- /** draws a color gradient onto the whole screen */
+ int allignment, int layer,
+ Uint32 drawing_effect = NONE_EFFECT);
+
+ /// Draws text on screen center (feed Vector.x with a 0).
+ /// This is the same as draw_text() with a screen->w/2 position and
+ /// allignment set to LEFT_ALLIGN
+ void draw_center_text(Font* font, const std::string& text,
+ const Vector& position, int layer,
+ Uint32 drawing_effect = NONE_EFFECT);
+ /// Draws a color gradient onto the whole screen */
void draw_gradient(Color from, Color to, int layer);
- /** fills a rectangle */
+ /// Fills a rectangle.
void draw_filled_rect(const Vector& topleft, const Vector& size,
Color color, int layer);
- /** Processes all pending drawing requests and flushes the list */
+ /// Processes all pending drawing requests and flushes the list.
void do_drawing();
const Vector& get_translation() const
- {
- return transform.translation;
- }
+ { return transform.translation; }
+ Uint32 get_drawing_effect() const
+ { return transform.draw_effect; }
+
void set_translation(const Vector& newtranslation)
- {
- transform.translation = newtranslation;
- }
+ { transform.translation = newtranslation; }
void push_transform();
void pop_transform();
- /** apply that effect in the next draws (effects are listed on surface.h) */
+ /// Apply that effect in the next draws (effects are listed on surface.h).
void set_drawing_effect(int effect);
+ /// apply that zoom in the next draws */
+ void set_zooming(float zoom);
+ /// apply that alpha in the next draws */
+ void set_alpha(int alpha);
private:
class Transform
return v - translation;
}
- int draw_effect;
+ Uint32 draw_effect;
+ float zoom;
+ int alpha;
};
/// the transform stack
{
Font* font;
std::string text;
+ int allignment;
};
struct GradientRequest
{
int layer;
Uint32 drawing_effect;
+ float zoom;
+ int alpha;
RequestType type;
Vector pos;
void draw_surface_part(DrawingRequest& request);
void draw_text(DrawingRequest& request);
+ void draw_text_center(DrawingRequest& request);
void draw_gradient(DrawingRequest& request);
void draw_filled_rect(DrawingRequest& request);