ImageAtlas.h

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/*
 * ObjectivelyMVC: Object oriented MVC framework for SDL3 and C.
 * Copyright (C) 2014 Jay Dolan <jay@jaydolan.com>
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 */
 
 
#pragma once
 
#include <Objectively/Array.h>
#include <Objectively/Dictionary.h>
 
#include <ObjectivelyGPU/RenderDevice.h>
 
#include <ObjectivelyMVC/AtlasImage.h>
 
#define IMAGE_ATLAS_MAX_SIZE 4096
 
typedef struct ImageAtlasInterface ImageAtlasInterface;
 
struct ImageAtlas {
 
  Object object;
 
  ImageAtlasInterface *interface[0];
 
  unsigned generation;
 
  Image *image;
 
  Array *images;
 
  Dictionary *names;
 
  int maxSize;
 
  Texture *texture;
};
 
struct ImageAtlasInterface {
 
  ObjectInterface objectInterface;
 
  AtlasImage *(*addImage)(ImageAtlas *self, Image *image);
 
  AtlasImage *(*addImageWithResourceName)(ImageAtlas *self, const char *name, float pixelDensity);
 
  AtlasImage *(*addImageWithName)(ImageAtlas *self, const char *name, Image *image);
 
  bool (*compile)(ImageAtlas *self);
 
  AtlasImage *(*imageWithName)(const ImageAtlas *self, const char *name);
 
  ImageAtlas *(*init)(ImageAtlas *self);
 
  void (*renderDeviceWillReset)(ImageAtlas *self);
 
  Texture *(*texture)(ImageAtlas *self, RenderDevice *device);
};
 
OBJECTIVELYMVC_EXPORT Class *_ImageAtlas(void);