X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fvideo%2Fdrawing_context.hpp;h=86c3c7acf16c0e3c3b3a59a47b4ef54d3510fbf1;hb=c2624ec9162122f2e625b57eac798ee37912c3e0;hp=5f392ef0e7bfda86fbb5212d2d0dcb0cdcf29c13;hpb=70fd1ef1e47747d377979c96c3bb0500519fd063;p=supertux.git diff --git a/src/video/drawing_context.hpp b/src/video/drawing_context.hpp index 5f392ef0e..86c3c7acf 100644 --- a/src/video/drawing_context.hpp +++ b/src/video/drawing_context.hpp @@ -1,12 +1,10 @@ -// $Id$ -// // SuperTux // Copyright (C) 2006 Matthias Braun // -// This program is free software; you can redistribute it and/or -// modify it under the terms of the GNU General Public License -// as published by the Free Software Foundation; either version 2 -// of the License, or (at your option) any later version. +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -14,29 +12,39 @@ // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License -// along with this program; if not, write to the Free Software -// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -#ifndef SUPERTUX_DRAWINGCONTEXT_H -#define SUPERTUX_DRAWINGCONTEXT_H +// along with this program. If not, see . -#include -#include -#include +#ifndef HEADER_SUPERTUX_VIDEO_DRAWING_CONTEXT_HPP +#define HEADER_SUPERTUX_VIDEO_DRAWING_CONTEXT_HPP +#include +#include +#include #include +#include -#include "obstack/obstack.h" +#include "math/rectf.hpp" #include "math/vector.hpp" -#include "math/rect.hpp" -#include "color.hpp" -#include "font.hpp" -#include "drawing_request.hpp" +#include "video/color.hpp" +#include "video/drawing_request.hpp" +#include "video/font.hpp" +#include "video/font_ptr.hpp" +#include "video/texture.hpp" class Surface; class Texture; class Renderer; class Lightmap; +inline int next_po2(int val) +{ + int result = 1; + while(result < val) + result *= 2; + + return result; +} + /** * This class provides functions for drawing things on screen. It also * maintains a stack of transforms that are applied to graphics. @@ -50,34 +58,37 @@ public: void init_renderer(); /// Adds a drawing request for a surface into the request list. - void draw_surface(const Surface* surface, const Vector& position, + void draw_surface(SurfacePtr surface, const Vector& position, int layer); /// Adds a drawing request for a surface into the request list. - void draw_surface(const Surface* surface, const Vector& position, + void draw_surface(SurfacePtr surface, const Vector& position, float angle, const Color& color, const Blend& blend, int layer); /// Adds a drawing request for part of a surface. - void draw_surface_part(const Surface* surface, const Vector& source, + void draw_surface_part(SurfacePtr surface, const Vector& source, const Vector& size, const Vector& dest, int layer); /// Draws a text. - void draw_text(const Font* font, const std::string& text, + void draw_text(FontPtr font, const std::string& text, const Vector& position, FontAlignment alignment, int layer, Color color = Color(1.0,1.0,1.0)); /// Draws text on screen center (feed Vector.x with a 0). /// This is the same as draw_text() with a SCREEN_WIDTH/2 position and /// alignment set to LEFT_ALIGN - void draw_center_text(const Font* font, const std::string& text, + void draw_center_text(FontPtr font, const std::string& text, const Vector& position, int layer, Color color = Color(1.0,1.0,1.0)); /// Draws a color gradient onto the whole screen */ void draw_gradient(const Color& from, const Color& to, int layer); /// Fills a rectangle. void draw_filled_rect(const Vector& topleft, const Vector& size, const Color& color, int layer); - void draw_filled_rect(const Rect& rect, const Color& color, int layer); - void draw_filled_rect(const Rect& rect, const Color& color, float radius, int layer); + void draw_filled_rect(const Rectf& rect, const Color& color, int layer); + void draw_filled_rect(const Rectf& rect, const Color& color, float radius, int layer); void draw_inverse_ellipse(const Vector& pos, const Vector& size, const Color& color, int layer); + /// Returns the visible area in world coordinates + Rectf get_cliprect() const; + /// Processes all pending drawing requests and flushes the list. void do_drawing(); @@ -117,6 +128,12 @@ public: void take_screenshot(); private: + typedef std::vector DrawingRequests; + +private: + void handle_drawing_requests(DrawingRequests& requests); + +private: class Transform { public: @@ -124,8 +141,10 @@ private: DrawingEffect drawing_effect; float alpha; - Transform() - : drawing_effect(NO_EFFECT), alpha(1.0f) + Transform() : + translation(), + drawing_effect(NO_EFFECT), + alpha(1.0f) { } Vector apply(const Vector& v) const @@ -134,6 +153,7 @@ private: } }; +private: Renderer *renderer; Lightmap *lightmap; @@ -145,10 +165,6 @@ private: std::vector blend_stack; Blend blend_mode; - typedef std::vector DrawingRequests; - - void handle_drawing_requests(DrawingRequests& requests); - DrawingRequests drawing_requests; DrawingRequests lightmap_requests; @@ -162,7 +178,12 @@ private: struct obstack obst; bool screenshot_requested; /**< true if a screenshot should be taken after the next frame has been rendered */ + +private: + DrawingContext(const DrawingContext&); + DrawingContext& operator=(const DrawingContext&); }; #endif +/* EOF */