OpenTTD

32bpp_anim.hpp
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1 /* $Id: 32bpp_anim.hpp 27796 2017-03-18 17:14:53Z frosch $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * 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.
6 * 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.
7 * 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/>.
8 */
9
12 #ifndef BLITTER_32BPP_ANIM_HPP
13 #define BLITTER_32BPP_ANIM_HPP
14
15 #include "32bpp_optimized.hpp"
16
18 class Blitter_32bppAnim : public Blitter_32bppOptimized {
19 protected:
20 uint16 *anim_buf;
21 int anim_buf_width;
22 int anim_buf_height;
23 int anim_buf_pitch;
24 Palette palette;
25
26 public:
27 Blitter_32bppAnim() :
28 anim_buf(NULL),
29 anim_buf_width(0),
30 anim_buf_height(0),
31 anim_buf_pitch(0)
32 {
33 this->palette = _cur_palette;
34 }
35
36 ~Blitter_32bppAnim();
37
38 /* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
39 /* virtual */ void DrawColourMappingRect(void *dst, int width, int height, PaletteID pal);
40 /* virtual */ void SetPixel(void *video, int x, int y, uint8 colour);
41 /* virtual */ void DrawRect(void *video, int width, int height, uint8 colour);
42 /* virtual */ void CopyFromBuffer(void *video, const void *src, int width, int height);
43 /* virtual */ void CopyToBuffer(const void *video, void *dst, int width, int height);
44 /* virtual */ void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y);
45 /* virtual */ int BufferSize(int width, int height);
46 /* virtual */ void PaletteAnimate(const Palette &palette);
47 /* virtual */ Blitter::PaletteAnimation UsePaletteAnimation();
48
49 /* virtual */ const char *GetName() { return "32bpp-anim"; }
50 /* virtual */ int GetBytesPerPixel() { return 6; }
51 /* virtual */ void PostResize();
52
56 inline Colour LookupColourInPalette(uint index)
57 {
58 return this->palette.palette[index];
59 }
60
61 template <BlitterMode mode> void Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom);
62 };
63
65 class FBlitter_32bppAnim : public BlitterFactory {
66 public:
67 FBlitter_32bppAnim() : BlitterFactory("32bpp-anim", "32bpp Animation Blitter (palette animation)") {}
68 /* virtual */ Blitter *CreateInstance() { return new Blitter_32bppAnim(); }
69 };
70
71 #endif /* BLITTER_32BPP_ANIM_HPP */
PaletteID
uint32 PaletteID
The number of the palette.
Definition: gfx_type.h:20
Blitter_32bppAnim::LookupColourInPalette
Colour LookupColourInPalette(uint index)
Look up the colour in the current palette.
Definition: 32bpp_anim.hpp:56
Palette
Information about the currently used palette.
Definition: gfx_type.h:309
Blitter_32bppAnim::DrawColourMappingRect
void DrawColourMappingRect(void *dst, int width, int height, PaletteID pal)
Draw a colourtable to the screen.
Definition: 32bpp_anim.cpp:274
Palette::palette
Colour palette[256]
Current palette. Entry 0 has to be always fully transparent!
Definition: gfx_type.h:310
Blitter_32bppAnim::PostResize
void PostResize()
Post resize event.
Definition: 32bpp_anim.cpp:511
Blitter_32bppAnim::anim_buf
uint16 * anim_buf
In this buffer we keep track of the 8bpp indexes so we can do palette animation.
Definition: 32bpp_anim.hpp:20
Blitter_32bppAnim::BufferSize
int BufferSize(int width, int height)
Calculate how much memory there is needed for an image of this size in the video-buffer.
Definition: 32bpp_anim.cpp:469
Blitter
How all blitters should look like.
Definition: base.hpp:30
Blitter_32bppAnim
The optimised 32 bpp blitter with palette animation.
Definition: 32bpp_anim.hpp:18
Blitter_32bppAnim::DrawRect
void DrawRect(void *video, int width, int height, uint8 colour)
Make a single horizontal line in a single colour on the video-buffer.
Definition: 32bpp_anim.cpp:326
Blitter_32bppAnim::anim_buf_height
int anim_buf_height
The height of the animation buffer.
Definition: 32bpp_anim.hpp:22
Blitter::BlitterParams
Parameters related to blitting.
Definition: base.hpp:33
Blitter_32bppAnim::GetName
const char * GetName()
Get the name of the blitter, the same as the Factory-instance returns.
Definition: 32bpp_anim.hpp:49
Blitter_32bppAnim::anim_buf_pitch
int anim_buf_pitch
The pitch of the animation buffer.
Definition: 32bpp_anim.hpp:23
Blitter_32bppAnim::Draw
void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
Draw an image to the screen, given an amount of params defined above.
Definition: 32bpp_anim.cpp:256
FBlitter_32bppAnim::CreateInstance
Blitter * CreateInstance()
Create an instance of this Blitter-class.
Definition: 32bpp_anim.hpp:68
_cur_palette
Palette _cur_palette
Current palette.
Definition: gfx.cpp:49
Blitter_32bppAnim::GetBytesPerPixel
int GetBytesPerPixel()
Get how many bytes are needed to store a pixel.
Definition: 32bpp_anim.hpp:50
ZoomLevel
ZoomLevel
All zoom levels we know.
Definition: zoom_type.h:21
Blitter_32bppAnim::anim_buf_width
int anim_buf_width
The width of the animation buffer.
Definition: 32bpp_anim.hpp:21
Blitter_32bppAnim::palette
Palette palette
The current palette.
Definition: 32bpp_anim.hpp:24
FBlitter_32bppAnim
Factory for the 32bpp blitter with animation.
Definition: 32bpp_anim.hpp:65
Blitter_32bppAnim::CopyToBuffer
void CopyToBuffer(const void *video, void *dst, int width, int height)
Copy from the screen to a buffer.
Definition: 32bpp_anim.cpp:395
Blitter_32bppAnim::UsePaletteAnimation
Blitter::PaletteAnimation UsePaletteAnimation()
Check if the blitter uses palette animation at all.
Definition: 32bpp_anim.cpp:506
Blitter_32bppAnim::ScrollBuffer
void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y)
Scroll the videobuffer some &#39;x&#39; and &#39;y&#39; value.
Definition: 32bpp_anim.cpp:418
Blitter_32bppAnim::PaletteAnimate
void PaletteAnimate(const Palette &palette)
Called when the 8bpp palette is changed; you should redraw all pixels on the screen that are equal to...
Definition: 32bpp_anim.cpp:474
Colour
Structure to access the alpha, red, green, and blue channels from a 32 bit number.
Definition: gfx_type.h:164
32bpp_optimized.hpp
Optimized 32 bpp blitter.
BlitterMode
BlitterMode
The modes of blitting we can do.
Definition: base.hpp:19
Blitter::PaletteAnimation
PaletteAnimation
Types of palette animation.
Definition: base.hpp:51
Blitter_32bppAnim::SetPixel
void SetPixel(void *video, int x, int y, uint8 colour)
Draw a pixel with a given colour on the video-buffer.
Definition: 32bpp_anim.cpp:316
Blitter_32bppAnim::CopyFromBuffer
void CopyFromBuffer(void *video, const void *src, int width, int height)
Copy from a buffer to the screen.
Definition: 32bpp_anim.cpp:354
BlitterFactory
The base factory, keeping track of all blitters.
Definition: factory.hpp:28
Blitter_32bppOptimized
The optimised 32 bpp blitter (without palette animation).
Definition: 32bpp_optimized.hpp:18