source/gui/CGUISprite.cpp

   1 /* Copyright (C) 2015 Wildfire Games.
   2  * This file is part of 0 A.D.
   3  *
   4  * 0 A.D. is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * 0 A.D. is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "precompiled.h"
  19
  20 #include "CGUISprite.h"
  21
  22 CGUISprite::~CGUISprite()
  23 {
  24         for (SGUIImage* const& img : m_Images)
  25                 delete img;
  26 }
  27
  28 void CGUISprite::AddImage(SGUIImage* image)
  29 {
  30         m_Images.push_back(image);
  31 }
  32
  33 void CGUISpriteInstance::Draw(CRect Size, int CellID, std::map<CStr, CGUISprite*>& Sprites, float Z) const
  34 {
  35         if (m_CachedSize != Size || m_CachedCellID != CellID)
  36         {
  37                 GUIRenderer::UpdateDrawCallCache(m_DrawCallCache, m_SpriteName, Size, CellID, Sprites);
  38                 m_CachedSize = Size;
  39                 m_CachedCellID = CellID;
  40         }
  41         GUIRenderer::Draw(m_DrawCallCache, Z);
  42 }
  43
  44 void CGUISpriteInstance::Invalidate()
  45 {
  46         m_CachedSize = CRect();
  47         m_CachedCellID = -1;
  48 }
  49
  50 bool CGUISpriteInstance::IsEmpty() const
  51 {
  52         return m_SpriteName.empty();
  53 }
  54
  55 // Plus a load of constructors / assignment operators, which don't copy the
  56 // DrawCall cache (to avoid losing track of who has allocated various bits
  57 // of data):
  58
  59 CGUISpriteInstance::CGUISpriteInstance()
  60         : m_CachedCellID(-1)
  61 {
  62 }
  63
  64 CGUISpriteInstance::CGUISpriteInstance(const CStr& SpriteName)
  65         : m_SpriteName(SpriteName), m_CachedCellID(-1)
  66 {
  67 }
  68
  69 CGUISpriteInstance::CGUISpriteInstance(const CGUISpriteInstance& Sprite)
  70         : m_SpriteName(Sprite.m_SpriteName), m_CachedCellID(-1)
  71 {
  72 }
  73
  74 CGUISpriteInstance& CGUISpriteInstance::operator=(const CStr& SpriteName)
  75 {
  76         m_SpriteName = SpriteName;
  77         m_DrawCallCache.clear();
  78         Invalidate();
  79         return *this;
  80 }
  81