src/graphics/Window.cpp

   1 #include "Window.h"
   2
   3 #include <algorithm>
   4 #include <cassert>
   5 #include <stdexcept>
   6 #include <string>
   7
   8 using std::runtime_error;
   9
  10
  11 namespace gworm {
  12
  13 const Vector<int> Window::POS_CENTER(
  14         SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
  15 const Vector<int> Window::POS_UNDEF(
  16         SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED);
  17
  18
  19 Window::Window(
  20         const char *title,
  21         Vector<int> pos,
  22         Vector<int> size,
  23         Uint32 flags)
  24 : win(SDL_CreateWindow(title, pos.x, pos.y, size.x, size.y, flags)) {
  25         if (!win) {
  26                 throw runtime_error(std::string("create window ") + title
  27                         + ": " + SDL_GetError());
  28         }
  29 }
  30
  31 Window::~Window() {
  32         if (win) SDL_DestroyWindow(win);
  33 }
  34
  35 Window::Window(Window &&other)
  36 : win(other.win) {
  37         other.win = nullptr;
  38 }
  39
  40 Window &Window::operator =(Window &&other) {
  41         std::swap(win, other.win);
  42         return *this;
  43 }
  44
  45
  46 Vector<int> Window::Size() const {
  47         assert(win);
  48         Vector<int> size;
  49         SDL_GetWindowSize(win, &size.x, &size.y);
  50         return size;
  51 }
  52
  53
  54 Canvas Window::CreateCanvas(Uint32 flags) {
  55         return Canvas(win, -1, flags);
  56 }
  57
  58 }