d3/dfe/null_8cpp_source.html

/*

 * This file is part of OpenTTD.

 * OpenTTD 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, version 2.

 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.

 */


#include "../stdafx.h"

#include "null.hpp"


#include "../safeguards.h"


static FBlitter_Null iFBlitter_Null;


Sprite *Blitter_Null::Encode(const SpriteLoader::SpriteCollection &sprite, SpriteAllocator &allocator)

{

  Sprite *dest_sprite;

  dest_sprite = allocator.Allocate<Sprite>(sizeof(*dest_sprite));


  dest_sprite->height = sprite[ZOOM_LVL_MIN].height;

  dest_sprite->width  = sprite[ZOOM_LVL_MIN].width;

  dest_sprite->x_offs = sprite[ZOOM_LVL_MIN].x_offs;

  dest_sprite->y_offs = sprite[ZOOM_LVL_MIN].y_offs;


  return dest_sprite;

}


Blitter_Null::Encode
Sprite * Encode(const SpriteLoader::SpriteCollection &sprite, SpriteAllocator &allocator) override
Convert a sprite from the loader to our own format.
Definition null.cpp:18

FBlitter_Null
Factory for the blitter that does nothing.
Definition null.hpp:38

SpriteAllocator
Interface for something that can allocate memory for a sprite.
Definition spriteloader.hpp:88

SpriteAllocator::Allocate
T * Allocate(size_t size)
Allocate memory for a sprite.
Definition spriteloader.hpp:99

SpriteLoader::SpriteCollection
std::array< Sprite, ZOOM_LVL_END > SpriteCollection
Type defining a collection of sprites, one for each zoom level.
Definition spriteloader.hpp:70

iFBlitter_Null
static FBlitter_Null iFBlitter_Null
Instantiation of the null blitter factory.
Definition null.cpp:16

null.hpp
The blitter that doesn't blit.

Sprite
Data structure describing a sprite.
Definition spritecache.h:17

Sprite::width
uint16_t width
Width of the sprite.
Definition spritecache.h:19

Sprite::height
uint16_t height
Height of the sprite.
Definition spritecache.h:18

Sprite::y_offs
int16_t y_offs
Number of pixels to shift the sprite downwards.
Definition spritecache.h:21

Sprite::x_offs
int16_t x_offs
Number of pixels to shift the sprite to the right.
Definition spritecache.h:20

ZOOM_LVL_MIN
@ ZOOM_LVL_MIN
Minimum zoom level.
Definition zoom_type.h:41