tgraphmodeparameters Struct Reference

a graphical surface. More...

#include <basegfx.h>

List of all members.

Public Member Functions
	tgraphmodeparameters ()
Public Attributes
int	resolutionx
	the number of visible pixels in x direction
int	resolutiony
	the number of visible pixels in y direction
int	actsetpage
	only used in DOS where it may be necessary to access the graphic memory in 64 kB pages
int	windowstatus
	determines whether the memory is a linear (windowstatus==100) or paged. When using SDL, the memory is always linear addressable.
int	granularity
	the offset in graphics memory between two pages. Can be ignored nowadays
int	scanlinelength
	the size of a line in byte (may be larger than resolutionx due to offscreen memory)
int	scanlinenumber
	the number of lines (may be larger than resolutiony due to offscreen memory)
int	bytesperscanline
	the size of a line in byte
int	activegraphmode
	the number of the active graphic mode. Can be ignored nowadays
int	videomemory
	the amount of memory in the video card. Not used any more.
int	byteperpix
	the distance between two pixel
PointerSizedInt	linearaddress
	the pointer to the actual memory (typecast to char* )
int	pagetoset
	only used in DOS with paged graphic memory
char	redmasksize
	RGB only: the number of bits in the red component.
char	redfieldposition
	RGB only: the position of the first red bit relative to the start of the pixel.
char	greenmasksize
	RGB only: the number of bits in the green component.
char	greenfieldposition
	RGB only: the position of the first green bit relative to the start of the pixel.
char	bluemasksize
	RGB only: the number of bits in the blue component.
char	bluefieldposition
	RGB only: the position of the first blue bit relative to the start of the pixel.
char	bitperpix
	the size of a pixel(?) in bits
char	memorymodel
	unused
int	directscreenaccess
	if 0 no call to an update function (which copies the buffer to the screen) is performed
Surface *	surface

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Detailed Description

a graphical surface.

Definition at line 51 of file basegfx.h.

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Constructor & Destructor Documentation

tgraphmodeparameters::tgraphmodeparameters (   )  [inline]

Definition at line 75 of file basegfx.h.

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Member Data Documentation

int tgraphmodeparameters::activegraphmode

the number of the active graphic mode. Can be ignored nowadays Definition at line 60 of file basegfx.h.

int tgraphmodeparameters::actsetpage

only used in DOS where it may be necessary to access the graphic memory in 64 kB pages Definition at line 54 of file basegfx.h.

char tgraphmodeparameters::bitperpix

the size of a pixel(?) in bits Definition at line 71 of file basegfx.h. Referenced by initASCGraphicSubsystem().

char tgraphmodeparameters::bluefieldposition

RGB only: the position of the first blue bit relative to the start of the pixel. Definition at line 70 of file basegfx.h. Referenced by getpixel(), and putpixel().

char tgraphmodeparameters::bluemasksize

RGB only: the number of bits in the blue component. Definition at line 69 of file basegfx.h.

int tgraphmodeparameters::byteperpix

the distance between two pixel Definition at line 62 of file basegfx.h. Referenced by bar(), getimage(), getpixel(), getpixel8(), initASCGraphicSubsystem(), putimage(), putimageprt(), putmask(), putpixel(), putpixel8(), putrotspriteimage(), putrotspriteimage180(), putrotspriteimage270(), putrotspriteimage90(), putspriteimage(), putxlatfilter(), tviewtext::setparams(), showtext(), and writepcx().

int tgraphmodeparameters::bytesperscanline

the size of a line in byte Definition at line 59 of file basegfx.h. Referenced by tvirtualscreenbuf::init(), initASCGraphicSubsystem(), putmask(), and tviewtext::setparams().

int tgraphmodeparameters::directscreenaccess

if 0 no call to an update function (which copies the buffer to the screen) is performed Definition at line 73 of file basegfx.h. Referenced by collategraphicoperations::collategraphicoperations(), copySurface2screen(), initASCGraphicSubsystem(), collategraphicoperations::off(), collategraphicoperations::on(), and collategraphicoperations::~collategraphicoperations().

int tgraphmodeparameters::granularity

the offset in graphics memory between two pages. Can be ignored nowadays Definition at line 56 of file basegfx.h.

char tgraphmodeparameters::greenfieldposition

RGB only: the position of the first green bit relative to the start of the pixel. Definition at line 68 of file basegfx.h. Referenced by getpixel(), and putpixel().

char tgraphmodeparameters::greenmasksize

RGB only: the number of bits in the green component. Definition at line 67 of file basegfx.h.

PointerSizedInt tgraphmodeparameters::linearaddress

the pointer to the actual memory (typecast to char* ) Definition at line 63 of file basegfx.h. Referenced by bar(), copybuf2displaymemory(), tdialogbox::copyvirtualframebuf(), tviewtext::displaytext(), getimage(), getpixel(), getpixel8(), initASCGraphicSubsystem(), putimage(), putimageprt(), putinterlacedrotimage(), putmask(), putpicturemix(), putpixel(), putpixel8(), putrotspriteimage(), putrotspriteimage180(), putrotspriteimage270(), putrotspriteimage90(), putspriteimage(), putspritetexture(), puttexture(), putxlatfilter(), tdialogbox::setvirtualframebuf(), and showtext().

char tgraphmodeparameters::memorymodel

unused Definition at line 72 of file basegfx.h.

int tgraphmodeparameters::pagetoset

only used in DOS with paged graphic memory Definition at line 64 of file basegfx.h.

char tgraphmodeparameters::redfieldposition

RGB only: the position of the first red bit relative to the start of the pixel. Definition at line 66 of file basegfx.h. Referenced by getpixel(), and putpixel().

char tgraphmodeparameters::redmasksize

RGB only: the number of bits in the red component. Definition at line 65 of file basegfx.h.

int tgraphmodeparameters::resolutionx

the number of visible pixels in x direction Definition at line 52 of file basegfx.h. Referenced by tdialogbox::buildgraphics(), gamethread(), infomessage(), tdisplaymessage::init(), initASCGraphicSubsystem(), tdialogbox::run(), and tviewtext::setparams().

int tgraphmodeparameters::resolutiony

the number of visible pixels in y direction Definition at line 53 of file basegfx.h. Referenced by tdialogbox::buildgraphics(), tdialogbox::execbutton(), gamethread(), infomessage(), tvirtualscreenbuf::init(), initASCGraphicSubsystem(), tdialogbox::run(), and tviewtext::setparams().

int tgraphmodeparameters::scanlinelength

the size of a line in byte (may be larger than resolutionx due to offscreen memory) Definition at line 57 of file basegfx.h. Referenced by bar(), getimage(), getpixel(), getpixel8(), initASCGraphicSubsystem(), putimage(), putimageprt(), putinterlacedrotimage(), putpicturemix(), putpixel(), putpixel8(), putrotspriteimage(), putrotspriteimage180(), putrotspriteimage270(), putrotspriteimage90(), putspriteimage(), putspritetexture(), puttexture(), putxlatfilter(), tviewtext::setparams(), tdialogbox::setvirtualframebuf(), and showtext().

int tgraphmodeparameters::scanlinenumber

the number of lines (may be larger than resolutiony due to offscreen memory) Definition at line 58 of file basegfx.h. Referenced by initASCGraphicSubsystem(), and tviewtext::setparams().

Surface* tgraphmodeparameters::surface

Definition at line 74 of file basegfx.h. Referenced by copy2screen(), getActiveSurface(), initASCGraphicSubsystem(), shutdownASCGraphicSubsystem(), and tvirtualdisplay::~tvirtualdisplay().

int tgraphmodeparameters::videomemory

the amount of memory in the video card. Not used any more. Definition at line 61 of file basegfx.h.

int tgraphmodeparameters::windowstatus

determines whether the memory is a linear (windowstatus==100) or paged. When using SDL, the memory is always linear addressable. Definition at line 55 of file basegfx.h. Referenced by bar(), getimage(), getpixel(), initASCGraphicSubsystem(), putimage(), putimageprt(), putinterlacedrotimage(), putpicturemix(), putpixel(), putrotspriteimage(), putrotspriteimage180(), putrotspriteimage270(), putrotspriteimage90(), putspriteimage(), putspritetexture(), puttexture(), putxlatfilter(), tviewtext::setparams(), and tdialogbox::setvirtualframebuf().

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The documentation for this struct was generated from the following file:

• basegfx.h

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