video.cpp File Reference

#include "stratagus.h"
#include <vector>
#include "video.h"
#include "intern_video.h"
#include "cursor.h"
#include "font.h"
#include "iolib.h"
#include "map.h"
#include "ui.h"
#include "SDL.h"
#include "SDL_image.h"

Classes
struct	Clip
class	CColorCycling

video.cpp - The universal video functions.
CVideo	Video
	Do SDL hardware unlock. More...
char	VideoForceFullScreen
	Fullscreen or windowed set from commandline. More...
double	NextFrameTicks
	fullscreen set from commandline More...
unsigned long	FrameCounter
	Ticks of begin of the next frame. More...
unsigned long	SlowFrameCounter
	Current frame number. More...
int	ClipX1
	Profile, frames out of sync. More...
int	ClipY1
	current clipping top left More...
int	ClipX2
	current clipping top left More...
int	ClipY2
	current clipping bottom right More...
static std::vector< Clip >	Clips
	current clipping bottom right More...
int	VideoSyncSpeed = 100
int	SkipFrames
	0 disable interrupts More...
Uint32	ColorBlack
	Skip this frames. More...
Uint32	ColorDarkGreen
Uint32	ColorLightBlue
Uint32	ColorBlue
Uint32	ColorOrange
Uint32	ColorWhite
Uint32	ColorLightGray
Uint32	ColorGray
Uint32	ColorDarkGray
Uint32	ColorRed
Uint32	ColorGreen
Uint32	ColorYellow
static unsigned int	ColorCycleSpeed = CYCLES_PER_SECOND
void	InitVideoSdl ()
void	SdlLockScreen ()
	Init SDL video hardware driver. More...
void	SdlUnlockScreen ()
	Do SDL hardware lock. More...
void	SetClipping (int left, int top, int right, int bottom)
void	PushClipping ()
	Push current clipping. More...
void	PopClipping ()
	Pop current clipping. More...
unsigned long	GetTicks ()
	Returns the ticks in ms since start. More...
void	InitImageLoaders ()
	initialize the image loaders part More...
void	DeInitImageLoaders ()
	deinitialize the image loaders More...
void	InitVideo ()
	initialize the video part More...
void	DeInitVideo ()
	deinitliaize the video part More...
static int	CclSetVideoSyncSpeed (lua_State *l)
void	VideoCclRegister ()
	register lua function More...
void	BlitSurfaceAlphaBlending_32bpp (const SDL_Surface *srcSurface, const SDL_Rect *srcRect, SDL_Surface *dstSurface, const SDL_Rect *dstRect, const bool enableMT)
	Blit a surface into another with alpha blending. More...
void	VideoPaletteListAdd (SDL_Surface *surface)
void	VideoPaletteListRemove (SDL_Surface *surface)
void	ClearAllColorCyclingRange ()
void	AddColorCyclingRange (unsigned int begin, unsigned int end)
unsigned int	SetColorCycleSpeed (unsigned int speed)
void	SetColorCycleAll (bool value)
void	ColorCycleSurface (SDL_Surface &surface)
static void	ColorCycleSurface_Reverse (SDL_Surface &surface, unsigned int count)
void	ColorCycle ()
	Does ColorCycling.. More...
void	RestoreColorCyclingSurface ()

Function Documentation

AddColorCyclingRange()

void AddColorCyclingRange	(	unsigned int	begin,
		unsigned int	end
	)

BlitSurfaceAlphaBlending_32bpp()

void BlitSurfaceAlphaBlending_32bpp	(	const SDL_Surface *	srcSurface,
		const SDL_Rect *	srcRect,
		SDL_Surface *	dstSurface,
		const SDL_Rect *	dstRect,
		const bool	enableMT
	)

Blit a surface into another with alpha blending.

This implementation of blittind doesn't scale

Crop rectangles if necessary

Alpha blending of the src texture into the dst

TODO: change numOfThreads for small rectangles to prevent False Sharing

pragma omp parallel

CclSetVideoSyncSpeed()

static int CclSetVideoSyncSpeed ( lua_State *  l )

static

Set the video sync speed

Parameters

l	Lua state.

ClearAllColorCyclingRange()

void ClearAllColorCyclingRange

(

)

ColorCycle()

void ColorCycle

(

)

Does ColorCycling..

Color cycle.

MACRO defines speed of colorcycling FIXME: should be made configurable

ColorCycleSurface()

void ColorCycleSurface

(

SDL_Surface &

surface

)

Color Cycle for particular surface

ColorCycleSurface_Reverse()

static void ColorCycleSurface_Reverse ( SDL_Surface &  surface, unsigned int  count  )

static

Undo Color Cycle for particular surface

Note

function may be optimized.

DeInitImageLoaders()

void DeInitImageLoaders

(

)

deinitialize the image loaders

DeInitVideo()

void DeInitVideo

(

)

deinitliaize the video part

GetTicks()

unsigned long GetTicks

(

)

Returns the ticks in ms since start.

Return ticks in ms since start.

InitImageLoaders()

void InitImageLoaders

(

)

initialize the image loaders part

InitVideo()

void InitVideo

(

)

initialize the video part

Video initialize.

InitVideoSdl()

void InitVideoSdl

(

)

Initialize the video part for SDL.

PopClipping()

void PopClipping

(

)

Pop current clipping.

Pop current clipping.

PushClipping()

void PushClipping

(

)

Push current clipping.

Push current clipping.

RestoreColorCyclingSurface()

void RestoreColorCyclingSurface

(

)

SdlLockScreen()

void SdlLockScreen

(

)

Init SDL video hardware driver.

Lock the screen for write access.

SdlUnlockScreen()

void SdlUnlockScreen

(

)

Do SDL hardware lock.

Unlock the screen for write access.

SetClipping()

void SetClipping	(	int	left,
		int	top,
		int	right,
		int	bottom
	)

Set clipping for graphic routines.

Parameters

left	Left X screen coordinate.
top	Top Y screen coordinate.
right	Right X screen coordinate.
bottom	Bottom Y screen coordinate.

SetColorCycleAll()

void SetColorCycleAll

(

bool

value

)

SetColorCycleSpeed()

unsigned int SetColorCycleSpeed

(

unsigned int

speed

)

Set the Color Cycle speed.

Returns

the previous speed

VideoCclRegister()

void VideoCclRegister

(

)

register lua function

VideoPaletteListAdd()

void VideoPaletteListAdd

(

SDL_Surface *

surface

)

Add a surface to the palette list, used for color cycling

Parameters

surface

The SDL surface to add to the list to cycle.

VideoPaletteListRemove()

void VideoPaletteListRemove

(

SDL_Surface *

surface

)

Remove a surface to the palette list, used for color cycling

Parameters

surface

The SDL surface to add to the list to cycle.

Variable Documentation

Clips

std::vector<Clip> Clips

static

current clipping bottom right

ClipX1

int ClipX1

Profile, frames out of sync.

ClipX2

int ClipX2

current clipping top left

ClipY1

int ClipY1

current clipping top left

ClipY2

int ClipY2

current clipping bottom right

ColorBlack

Uint32 ColorBlack

Skip this frames.

Editor callbacks.

ColorBlue

Uint32 ColorBlue

ColorCycleSpeed

unsigned int ColorCycleSpeed = CYCLES_PER_SECOND

static

ColorDarkGray

Uint32 ColorDarkGray

ColorDarkGreen

Uint32 ColorDarkGreen

ColorGray

Uint32 ColorGray

ColorGreen

Uint32 ColorGreen

ColorLightBlue

Uint32 ColorLightBlue

ColorLightGray

Uint32 ColorLightGray

ColorOrange

Uint32 ColorOrange

ColorRed

Uint32 ColorRed

ColorWhite

Uint32 ColorWhite

ColorYellow

Uint32 ColorYellow

FrameCounter

unsigned long FrameCounter

Ticks of begin of the next frame.

Counts frames.

NextFrameTicks

double NextFrameTicks

fullscreen set from commandline

Next frame ticks.

SkipFrames

int SkipFrames

0 disable interrupts

SlowFrameCounter

unsigned long SlowFrameCounter

Current frame number.

Counts quantity of slow frames.

Video

CVideo Video

Do SDL hardware unlock.

VideoForceFullScreen

char VideoForceFullScreen

Fullscreen or windowed set from commandline.

VideoSyncSpeed

int VideoSyncSpeed = 100

Video synchronization speed. Synchronization time in percent. If =0, video framerate is not synchronized. 100 is exact CYCLES_PER_SECOND (30). Game will try to redraw screen within intervals of VideoSyncSpeed, not more, not less.

See also

CYCLES_PER_SECOND