X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fvideo%2Fdrawing_context.hpp;h=302b90e232e77a30a753e07b30236b29438eb3d6;hb=3aa6936791cf24344e27d452ab2fd8c33fb5a2e8;hp=b742b37262929b22ae82d0b38a7bcaa5cfd040b4;hpb=a93bdf2bb864dc6ba7f9722b151e432fcab57240;p=supertux.git diff --git a/src/video/drawing_context.hpp b/src/video/drawing_context.hpp index b742b3726..302b90e23 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 @@ -14,60 +12,29 @@ // 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 +#ifndef HEADER_SUPERTUX_VIDEO_DRAWING_CONTEXT_HPP +#define HEADER_SUPERTUX_VIDEO_DRAWING_CONTEXT_HPP + +#include #include -#include +#include -#include -#include #include -#include -#include "obstack/obstack.h" -#include "math/vector.hpp" #include "math/rect.hpp" -#include "surface.hpp" -#include "font.hpp" -#include "color.hpp" +#include "math/vector.hpp" +#include "obstack/obstack.h" +#include "video/color.hpp" +#include "video/drawing_request.hpp" +#include "video/font.hpp" +#include "video/texture.hpp" class Surface; class Texture; -struct DrawingRequest; - -// some constants for predefined layer values -enum { - LAYER_BACKGROUND0 = -300, - LAYER_BACKGROUND1 = -200, - LAYER_BACKGROUNDTILES = -100, - LAYER_TILES = 0, - LAYER_OBJECTS = 50, - LAYER_FLOATINGOBJECTS = 150, - LAYER_FOREGROUNDTILES = 200, - LAYER_FOREGROUND0 = 300, - LAYER_FOREGROUND1 = 400, - LAYER_HUD = 500, - LAYER_GUI = 600 -}; - -class Blend -{ -public: - GLenum sfactor; - GLenum dfactor; - - Blend() - : sfactor(GL_SRC_ALPHA), dfactor(GL_ONE_MINUS_SRC_ALPHA) - {} - - Blend(GLenum s, GLenum d) - : sfactor(s), dfactor(d) - {} -}; +class Renderer; +class Lightmap; /** * This class provides functions for drawing things on screen. It also @@ -79,6 +46,8 @@ public: DrawingContext(); ~DrawingContext(); + void init_renderer(); + /// Adds a drawing request for a surface into the request list. void draw_surface(const Surface* surface, const Vector& position, int layer); @@ -91,19 +60,22 @@ public: const Vector& size, const Vector& dest, int layer); /// Draws a text. void draw_text(const Font* font, const std::string& text, - const Vector& position, FontAlignment alignment, int layer); + 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_ALLIGN + /// alignment set to LEFT_ALIGN void draw_center_text(const Font* font, const std::string& text, - const Vector& position, int layer); + 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_inverse_ellipse(const Vector& pos, const Vector& size, const Color& color, int layer); /// Processes all pending drawing requests and flushes the list. void do_drawing(); @@ -129,9 +101,9 @@ public: /// on next update, set color to lightmap's color at position void get_light(const Vector& position, Color* color ); - enum Target { - NORMAL, LIGHTMAP - }; + typedef ::Target Target; + static const Target NORMAL = ::NORMAL; + static const Target LIGHTMAP = ::LIGHTMAP; void push_target(); void pop_target(); void set_target(Target target); @@ -144,6 +116,12 @@ public: void take_screenshot(); private: + typedef std::vector DrawingRequests; + +private: + void handle_drawing_requests(DrawingRequests& requests); + +private: class Transform { public: @@ -151,8 +129,10 @@ 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 @@ -161,6 +141,10 @@ private: } }; +private: + Renderer *renderer; + Lightmap *lightmap; + /// the transform stack std::vector transformstack; /// the currently active transform @@ -169,36 +153,25 @@ private: std::vector blend_stack; Blend blend_mode; - typedef std::vector DrawingRequests; - - void handle_drawing_requests(DrawingRequests& requests) const; - void draw_surface_part(const DrawingRequest& request) const; - void draw_text(const DrawingRequest& request) const; - void draw_text_center(const DrawingRequest& request) const; - void draw_gradient(const DrawingRequest& request) const; - void draw_filled_rect(const DrawingRequest& request) const; - void draw_lightmap(const DrawingRequest& request) const; - void get_light(const DrawingRequest& request) const; - void do_take_screenshot(); - DrawingRequests drawing_requests; DrawingRequests lightmap_requests; DrawingRequests* requests; Color ambient_color; - SDL_Surface* screen; Target target; std::vector target_stack; - Texture* lightmap; - int lightmap_width, lightmap_height; - float lightmap_uv_right, lightmap_uv_bottom; /* obstack holding the memory of the drawing requests */ 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 */