OpenTTD Source: src/blitter/8bpp_optimized.hpp Source File

OpenTTD Source 12.0-beta1

8bpp_optimized.hpp
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1 /*
2 * This file is part of OpenTTD.
3 * 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.
4 * 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.
5 * 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/>.
6 */
7
10 #ifndef BLITTER_8BPP_OPTIMIZED_HPP
11 #define BLITTER_8BPP_OPTIMIZED_HPP
12
13 #include "8bpp_base.hpp"
14 #include "factory.hpp"
15
17 class Blitter_8bppOptimized FINAL : public Blitter_8bppBase {
18 public:
20 struct SpriteData {
21 uint32 offset[ZOOM_LVL_COUNT];
22 byte data[];
23 };
24
25 void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) override;
26 Sprite *Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator) override;
27
28 const char *GetName() override { return "8bpp-optimized"; }
29 };
30
32 class FBlitter_8bppOptimized : public BlitterFactory {
33 public:
34 FBlitter_8bppOptimized() : BlitterFactory("8bpp-optimized", "8bpp Optimized Blitter (compression + all-ZoomLevel cache)") {}
35 Blitter *CreateInstance() override { return new Blitter_8bppOptimized(); }
36 };
37
38 #endif /* BLITTER_8BPP_OPTIMIZED_HPP */
Blitter_8bppOptimized::Encode
Sprite * Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator) override
Convert a sprite from the loader to our own format.
Definition: 8bpp_optimized.cpp:122
factory.hpp
Blitter_8bppOptimized::SpriteData
Data stored about a (single) sprite.
Definition: 8bpp_optimized.hpp:20
Blitter_8bppOptimized::SpriteData::offset
uint32 offset[ZOOM_LVL_COUNT]
Offsets (from .data) to streams for different zoom levels.
Definition: 8bpp_optimized.hpp:21
BlitterMode
BlitterMode
The modes of blitting we can do.
Definition: base.hpp:17
Blitter
How all blitters should look like.
Definition: base.hpp:28
BlitterFactory
The base factory, keeping track of all blitters.
Definition: factory.hpp:23
ZOOM_LVL_COUNT
@ ZOOM_LVL_COUNT
Number of zoom levels.
Definition: zoom_type.h:32
ZoomLevel
ZoomLevel
All zoom levels we know.
Definition: zoom_type.h:21
Blitter_8bppOptimized::Draw
void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) override
Draw an image to the screen, given an amount of params defined above.
Definition: 8bpp_optimized.cpp:22
Blitter_8bppOptimized
8bpp blitter optimised for speed.
Definition: 8bpp_optimized.hpp:17
FBlitter_8bppOptimized
Factory for the 8bpp blitter optimised for speed.
Definition: 8bpp_optimized.hpp:32
Blitter_8bppBase
Base for all 8bpp blitters.
Definition: 8bpp_base.hpp:16
BlitterFactory::BlitterFactory
BlitterFactory(const char *name, const char *description, bool usable=true)
Construct the blitter, and register it.
Definition: factory.hpp:60
FBlitter_8bppOptimized::CreateInstance
Blitter * CreateInstance() override
Create an instance of this Blitter-class.
Definition: 8bpp_optimized.hpp:35
Blitter_8bppOptimized::SpriteData::data
byte data[]
Data, all zoomlevels.
Definition: 8bpp_optimized.hpp:22
SpriteLoader::Sprite
Structure for passing information from the sprite loader to the blitter.
Definition: spriteloader.hpp:48
Blitter::BlitterParams
Parameters related to blitting.
Definition: base.hpp:31
Blitter_8bppOptimized::GetName
const char * GetName() override
Get the name of the blitter, the same as the Factory-instance returns.
Definition: 8bpp_optimized.hpp:28
Sprite
Data structure describing a sprite.
Definition: spritecache.h:17
8bpp_base.hpp