Difference between revisions of "User:Ericb/Salgdi.hxx"

Revision as of 10:34, 16 February 2006 (view source) Amohr (Talk | contribs) (→‎Protected Method :) ← Older edit		Revision as of 10:41, 16 February 2006 (view source) Amohr (Talk | contribs) (→‎drawRect( long nX, long nY, long nWidth, long nHeight)) Newer edit →
Line 144:		Line 144:
	:: nWidth (''long'')		:: nWidth (''long'')
	:: nHeight (''long'')		:: nHeight (''long'')
		+
		+	==== drawPolyLine( ULONG nPoints, const SalPoint* pPtAry) ====
		+	* '''Description''' :
		+	:: ''Draw a line composed of several segments''
		+	* '''Type''' :
		+	:: ''virtual void''
		+	* '''Parameters''' :
		+	:: nPoints (''ULONG'')
		+	:: pPtAry (''const SalPoint*'')

---

Revision as of 10:41, 16 February 2006

This file includes all the empty boxes which define the functions used to print something on the screen (like a pixel, a line, a polygone, ...).

Includes

• tools/string.hxx
• sv.h
• dllapi.h
• salgtype.hxx
• vos/thread.hxx
• outdev.hxx
• rtl/ustring.hxx
• salnativewidgets.hxx
• salctrlhandle.hxx
• map

Empty classes

• ImplDevFontList
• SalBitpmap
• ImplFontSelectData
• ImplFontMetricData
• ImpleFontData
• ImplFontCharMap
• SalLayout'
• ImpleLayoutArgs'
• Rectangle
• OutputDevice
• ServerFontLayout

These classes are only defined because they are used in the class contain in this file.

Empty structures

• ImplKernPairData
• FontSubsetInfo

Macros

• #define SAL_SETFONT_REMOVEANDMATCHNEW ((USHORT)0x0001)
• #define SAL_SETFONT_USEDRAWTEXT ((USHORT)0x0002)
• #define SAL_SETFONT_USEDRAWTEXTARRAY ((USHORT)0x0004)
• #define SAL_SETFONT_UNICODE ((USHORT)0x0008)
• #define SAL_SETFONT_BADFONT ((USHORT)0x1000)
• #define SAL_CPYAREA_WINDOWWINVALIDATE ((USHORT)0x0001)

Class VCL_DLLPUBLIC SalGraphics

Implementation

The class SalGraphics is an empty box (technically an abstract class with pure virtual methods) which is used to create a specific class in accordance with the OS used. salgdi.hxx is included in salgdi.h existing for every single OS and which are included itself into salgdi.cxx existing for every single OS too.

This class is the an abstract data type which can not be instantiated. It is completed for each OS in following files:

Windows

Inherited class : WinSalGraphics

/vcl/win/inc/salgdi.h

/vcl/win/source/gdi/salgdi.cxx

X11

Inherited class : X11SalGraphics

/vcl/unx/inc/salgdi.h

/vcl/unx/source/gdi/salgdi.cxx

Aqua

Inherited class : SalGraphics

/vcl/aqua/inc/salgdi.h

/vcl/aqua/source/gdi/salgdi.cxx

Variables :

• m_nLayout

Type :

int

Public Methods :

SalGraphics()

• Description :

SalGraphics constructor

~SalGraphic()

• Description :

SalGraphics destructor

• Type :

virtual

Protected Method :

unionClipRegion( long nX, long nY, long nWidth, long nHeight)

• Description :

Add a new Rectangle

• Type :

virtual void

• Parameters :

nX (long)

nY (long)

nWidth (long)

nHeight (long)

drawPixel( long nX, long nY)

• Description :

Draw a pixel at the coordinate (nX, nY)

• Type :

virtual void

• Parameters :

nX (long)

x-coordinate

nY (long)

y-coordinate

drawPixel( long nX, long nY, SalColor nSalColor)

• Description :

Draw a colored pixel at the coordinate (nX, nY)

• Type :

virtual void

• Parameters :

nX (long)

nY (long)

nSalColor (SalColor)

drawLine( long nX1, long nY1, long nX2, long nY2)

• Description :

Draw a line beginning at the coordinate (nX1, nY1) and ending at the coordinate (nX2, nY2)

• Type :

virtual void

• Parameters :

nX1 (long)

nY1 (long)

nX2 (long)

nY2 (long)

drawRect( long nX, long nY, long nWidth, long nHeight)

• Description :

Draw a rectangle starting at the coordinate (nX, nY) of width nWidth and of height nHeight

• Type :

virtual void

• Parameters :

nX (long)

nY (long)

nWidth (long)

nHeight (long)

drawPolyLine( ULONG nPoints, const SalPoint* pPtAry)

• Description :

Draw a line composed of several segments

• Type :

virtual void

• Parameters :

nPoints (ULONG)

pPtAry (const SalPoint*)