X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/163dc80eff2faed2c3c1fb3ee6b46eb5ae9d70f9..af7e4f87c9c1d8c6b68f80da2b08b004e0dcdea4:/docs/latex/wx/dc.tex?ds=sidebyside

diff --git a/docs/latex/wx/dc.tex b/docs/latex/wx/dc.tex
index 89169e5225..0706ef5e70 100644
--- a/docs/latex/wx/dc.tex
+++ b/docs/latex/wx/dc.tex
@@ -31,14 +31,14 @@ them.
 \latexignore{\rtfignore{\wxheading{Members}}}
 
 
-\membersection{wxDC::wxDC}
+\membersection{wxDC::wxDC}\label{wxdcctor}
 
 \func{}{wxDC}{\void}
 
 Constructor.
 
 
-\membersection{wxDC::\destruct{wxDC}}
+\membersection{wxDC::\destruct{wxDC}}\label{wxdcdtor}
 
 \func{}{\destruct{wxDC}}{\void}
 
@@ -109,7 +109,7 @@ This sequence of operations ensures that the source's transparent area need not
 and logical functions are supported.
 
 {\bf Note:} on Windows, blitting with masks can be speeded up considerably by compiling
-wxWindows with the wxUSE\_DC\_CACHE option enabled. You can also influence whether MaskBlt
+wxWidgets with the wxUSE\_DC\_CACHE option enabled. You can also influence whether MaskBlt
 or the explicit mask blitting code above is used, by using \helpref{wxSystemOptions}{wxsystemoptions} and
 setting the {\bf no-maskblt} option to 1.
 
@@ -193,6 +193,15 @@ wxUSE\_DC\_CACHEING preprocessor symbol for portability.
 \end{comment}
 
 
+\membersection{wxDC::ComputeScaleAndOrigin}\label{wxdccomputescaleandorigin}
+
+\func{virtual void}{ComputeScaleAndOrigin}{\void}
+
+Performs all necessary computations for given platform and context type
+after each change of scale and origin parameters. Usually called automatically 
+internally after such changes.
+
+
 \membersection{wxDC::CrossHair}\label{wxdccrosshair}
 
 \func{void}{CrossHair}{\param{wxCoord}{ x}, \param{wxCoord}{ y}}
@@ -336,6 +345,24 @@ Draw an icon on the display (does nothing if the device context is PostScript).
 This can be the simplest way of drawing bitmaps on a window.
 
 
+\membersection{wxDC::DrawLabel}\label{wxdcdrawlabel}
+
+\func{virtual void}{DrawLabel}{\param{const wxString\&}{ text},
+                               \param{const wxBitmap\&}{ image},
+                               \param{const wxRect\&}{ rect},
+                               \param{int}{ alignment = wxALIGN\_LEFT | wxALIGN\_TOP},
+                               \param{int}{ indexAccel = -1},
+                               \param{wxRect *}{rectBounding = NULL}}
+
+\func{void}{DrawLabel}{\param{const wxString\&}{ text}, \param{const wxRect\&}{ rect},
+                       \param{int}{ alignment = wxALIGN\_LEFT | wxALIGN\_TOP},
+                       \param{int}{ indexAccel = -1}}
+
+Draw optional bitmap and the text into the given rectangle and aligns it as specified
+by alignment parameter; it also will emphasize the character with the given index if
+it is != -1 and return the bounding rectangle if required.
+
+
 \membersection{wxDC::DrawLine}\label{wxdcdrawline}
 
 \func{void}{DrawLine}{\param{wxCoord}{ x1}, \param{wxCoord}{ y1}, \param{wxCoord}{ x2}, \param{wxCoord}{ y2}}
@@ -383,7 +410,7 @@ The current pen is used for drawing the outline, and the current brush
 for filling the shape.  Using a transparent brush suppresses filling.
 The programmer is responsible for deleting the list of points.
 
-Note that wxWindows automatically closes the first and last points.
+Note that wxWidgets automatically closes the first and last points.
 
 \pythonnote{The wxPython version of this method accepts a Python list
 of wxPoint objects.}
@@ -429,7 +456,7 @@ The polygons maybe disjoint or overlapping. Each polygon specified in a call to
 
 \func{void}{DrawPoint}{\param{wxCoord}{ x}, \param{wxCoord}{ y}}
 
-Draws a point using the current pen.
+Draws a point using the color of the current pen. Note that the other properties of the pen are not used, such as width etc..
 
 
 \membersection{wxDC::DrawRectangle}\label{wxdcdrawrectangle}
@@ -477,12 +504,15 @@ the rectangle.
 
 \membersection{wxDC::DrawSpline}\label{wxdcdrawspline}
 
+\func{void}{DrawSpline}{\param{int }{n}, \param{wxPoint }{points[]}}
+
+Draws a spline between all given control points, using the current
+pen.
+
 \func{void}{DrawSpline}{\param{wxList *}{points}}
 
 Draws a spline between all given control points, using the current
-pen.  Doesn't delete the wxList and contents. The spline is drawn
-using a series of lines, using an algorithm taken from the X drawing
-program `XFIG'.
+pen.  Doesn't delete the wxList and contents.
 
 \func{void}{DrawSpline}{\param{wxCoord}{ x1}, \param{wxCoord}{ y1}, \param{wxCoord}{ x2}, \param{wxCoord}{ y2}, \param{wxCoord}{ x3}, \param{wxCoord}{ y3}}
 
@@ -575,8 +605,6 @@ function will still return true.
 
 \membersection{wxDC::GetBackground}\label{wxdcgetbackground}
 
-\func{wxBrush\&}{GetBackground}{\void}
-
 \constfunc{const wxBrush\&}{GetBackground}{\void}
 
 Gets the brush used for painting the background (see \helpref{wxDC::SetBackground}{wxdcsetbackground}).
@@ -595,8 +623,6 @@ Returns the current background mode: {\tt wxSOLID} or {\tt wxTRANSPARENT}.
 
 \membersection{wxDC::GetBrush}\label{wxdcgetbrush}
 
-\func{wxBrush\&}{GetBrush}{\void}
-
 \constfunc{const wxBrush\&}{GetBrush}{\void}
 
 Gets the current brush (see \helpref{wxDC::SetBrush}{wxdcsetbrush}).
@@ -631,8 +657,6 @@ rectangle are returned as a tuple.}
 
 \membersection{wxDC::GetFont}\label{wxdcgetfont}
 
-\func{wxFont\&}{GetFont}{\void}
-
 \constfunc{const wxFont\&}{GetFont}{\void}
 
 Gets the current font (see \helpref{wxDC::SetFont}{wxdcsetfont}).
@@ -652,14 +676,6 @@ Gets the current logical function (see \helpref{wxDC::SetLogicalFunction}{wxdcse
 Gets the {\it mapping mode} for the device context (see \helpref{wxDC::SetMapMode}{wxdcsetmapmode}).
 
 
-\membersection{wxDC::GetOptimization}\label{wxdcgetoptimization}
-
-\func{bool}{GetOptimization}{\void}
-
-Returns true if device context optimization is on.
-See \helpref{wxDC::SetOptimization}{wxsetoptimization} for details.
-
-
 \membersection{wxDC::GetPartialTextExtents}\label{wxdcgetpartialtextextents}
 
 \constfunc{bool}{GetPartialTextExtents}{\param{const wxString\&  }{text}, 
@@ -676,9 +692,8 @@ instead.
 \pythonnote{This method only takes the {\it text} parameter and
   returns a Python list of integers.}
 
-\membersection{wxDC::GetPen}\label{wxdcgetpen}
 
-\func{wxPen\&}{GetPen}{\void}
+\membersection{wxDC::GetPen}\label{wxdcgetpen}
 
 \constfunc{const wxPen\&}{GetPen}{\void}
 
@@ -689,8 +704,8 @@ Gets the current pen (see \helpref{wxDC::SetPen}{wxdcsetpen}).
 
 \func{bool}{GetPixel}{\param{wxCoord}{ x}, \param{wxCoord}{ y}, \param{wxColour *}{colour}}
 
-Sets {\it colour} to the colour at the specified location. Windows only; an X implementation
-is being worked on. Not available for wxPostScriptDC or wxMetafileDC.
+Sets {\it colour} to the colour at the specified location.
+Not available for wxPostScriptDC or wxMetafileDC.
 
 \pythonnote{For wxPython the wxColour value is returned and is not
 required as a parameter.}
@@ -698,17 +713,20 @@ required as a parameter.}
 \perlnote{This method only takes the parameters {\tt x} and {\tt y} and returns
 a Wx::Colour value}
 
+\membersection{wxDC::GetPPI}\label{wxdcgetppi}
+
+\constfunc{wxSize}{GetPPI}{\void}
+
+Returns the resolution of the device in pixels per inch.
 
 \membersection{wxDC::GetSize}\label{wxdcgetsize}
 
-\func{void}{GetSize}{\param{wxCoord *}{width}, \param{wxCoord *}{height}}
+\constfunc{void}{GetSize}{\param{wxCoord *}{width}, \param{wxCoord *}{height}}
 
-For a PostScript device context, this gets the maximum size of graphics
-drawn so far on the device context.
+\constfunc{wxSize}{GetSize}{\void}
 
-For a Windows printer device context, this gets the horizontal and vertical
-resolution. It can be used to scale graphics to fit the page when using
-a Windows printer device context. For example, if {\it maxX} and {\it maxY}\rtfsp
+This gets the horizontal and vertical resolution in device units. It can be used to scale graphics to fit the page.
+For example, if {\it maxX} and {\it maxY}\rtfsp
 represent the maximum horizontal and vertical `pixel' values used in your
 application, the following code will scale the graphic to fit on the
 printer page:
@@ -737,10 +755,15 @@ implements the following methods:\par
 \end{twocollist}
 }}
 
+\membersection{wxDC::GetSizeMM}\label{wxdcgetsizemm}
 
-\membersection{wxDC::GetTextBackground}\label{wxdcgettextbackground}
+\constfunc{void}{GetSizeMM}{\param{wxCoord *}{width}, \param{wxCoord *}{height}}
+
+\constfunc{wxSize}{GetSizeMM}{\void}
+
+Returns the horizontal and vertical resolution in millimetres.
 
-\func{wxColour\&}{GetTextBackground}{\void}
+\membersection{wxDC::GetTextBackground}\label{wxdcgettextbackground}
 
 \constfunc{const wxColour\&}{GetTextBackground}{\void}
 
@@ -782,14 +805,11 @@ See also \helpref{wxFont}{wxfont}, \helpref{wxDC::SetFont}{wxdcsetfont}.
 
 \membersection{wxDC::GetTextForeground}\label{wxdcgettextforeground}
 
-\func{wxColour\&}{GetTextForeground}{\void}
-
 \constfunc{const wxColour\&}{GetTextForeground}{\void}
 
 Gets the current text foreground colour (see \helpref{wxDC::SetTextForeground}{wxdcsettextforeground}).
 
 
-
 \membersection{wxDC::GetUserScale}\label{wxdcgetuserscale}
 
 \func{void}{GetUserScale}{\param{double}{ *x}, \param{double}{ *y}}
@@ -899,17 +919,6 @@ left to right orientation, false to invert it.}
 bottom up orientation, false to invert it.}
 
 
-\membersection{wxDC::SetDeviceOrigin}\label{wxdcsetdeviceorigin}
-
-\func{void}{SetDeviceOrigin}{\param{wxCoord}{ x}, \param{wxCoord}{ y}}
-
-Sets the device origin (i.e., the origin in pixels after scaling has been
-applied).
-
-This function may be useful in Windows printing
-operations for placing a graphic on a page.
-
-
 \membersection{wxDC::SetBackground}\label{wxdcsetbackground}
 
 \func{void}{SetBackground}{\param{const wxBrush\& }{brush}}
@@ -925,6 +934,22 @@ Sets the current background brush for the DC.
 whether text will be drawn with a background colour or not.
 
 
+\membersection{wxDC::SetBrush}\label{wxdcsetbrush}
+
+\func{void}{SetBrush}{\param{const wxBrush\& }{brush}}
+
+Sets the current brush for the DC.
+
+If the argument is wxNullBrush, the current brush is selected out of the device
+context, and the original brush restored, allowing the current brush to
+be destroyed safely.
+
+See also \helpref{wxBrush}{wxbrush}.
+
+See also \helpref{wxMemoryDC}{wxmemorydc} for the interpretation of colours
+when drawing into a monochrome bitmap.
+
+ 
 \membersection{wxDC::SetClippingRegion}\label{wxdcsetclippingregion}
 
 \func{void}{SetClippingRegion}{\param{wxCoord}{ x}, \param{wxCoord}{ y}, \param{wxCoord}{ width}, \param{wxCoord}{ height}}
@@ -950,32 +975,15 @@ when only a known area of the screen is damaged.
 \helpref{wxDC::DestroyClippingRegion}{wxdcdestroyclippingregion}, \helpref{wxRegion}{wxregion}
 
 
-\membersection{wxDC::SetPalette}\label{wxdcsetpalette}
-
-\func{void}{SetPalette}{\param{const wxPalette\& }{palette}}
-
-If this is a window DC or memory DC, assigns the given palette to the window
-or bitmap associated with the DC. If the argument is wxNullPalette, the current
-palette is selected out of the device context, and the original palette
-restored.
-
-See \helpref{wxPalette}{wxpalette} for further details.
-
-
-\membersection{wxDC::SetBrush}\label{wxdcsetbrush}
-
-\func{void}{SetBrush}{\param{const wxBrush\& }{brush}}
-
-Sets the current brush for the DC.
+\membersection{wxDC::SetDeviceOrigin}\label{wxdcsetdeviceorigin}
 
-If the argument is wxNullBrush, the current brush is selected out of the device
-context, and the original brush restored, allowing the current brush to
-be destroyed safely.
+\func{void}{SetDeviceOrigin}{\param{wxCoord}{ x}, \param{wxCoord}{ y}}
 
-See also \helpref{wxBrush}{wxbrush}.
+Sets the device origin (i.e., the origin in pixels after scaling has been
+applied).
 
-See also \helpref{wxMemoryDC}{wxmemorydc} for the interpretation of colours
-when drawing into a monochrome bitmap.
+This function may be useful in Windows printing
+operations for placing a graphic on a page.
 
 
 \membersection{wxDC::SetFont}\label{wxdcsetfont}
@@ -1038,12 +1046,10 @@ user scale} (see \helpref{wxDC::SetUserScale}{wxdcsetuserscale}) scales the text
 Windows, scalable TrueType fonts are always used; in X, results depend
 on availability of fonts, but usually a reasonable match is found.
 
-Note that the coordinate origin should ideally be selectable, but for
-now is always at the top left of the screen/printer.
+The coordinate origin is always at the top left of the screen/printer.
 
-Drawing to a Windows printer device context under UNIX
-uses the current mapping mode, but mapping mode is currently ignored for
-PostScript output.
+Drawing to a Windows printer device context uses the current mapping mode,
+but mapping mode is currently ignored for PostScript output.
 
 The mapping mode can be one of the following:
 
@@ -1057,19 +1063,16 @@ The mapping mode can be one of the following:
 \end{twocollist}
 
 
-\membersection{wxDC::SetOptimization}\label{wxsetoptimization}
+\membersection{wxDC::SetPalette}\label{wxdcsetpalette}
 
-\func{void}{SetOptimization}{\param{bool }{optimize}}
+\func{void}{SetPalette}{\param{const wxPalette\& }{palette}}
 
-If {\it optimize} is true (the default), this function sets optimization mode on.
-This currently means that under X, the device context will not try to set a pen or brush
-property if it is known to be set already. This approach can fall down
-if non-wxWindows code is using the same device context or window, for example
-when the window is a panel on which the windowing system draws panel items.
-The wxWindows device context 'memory' will now be out of step with reality.
+If this is a window DC or memory DC, assigns the given palette to the window
+or bitmap associated with the DC. If the argument is wxNullPalette, the current
+palette is selected out of the device context, and the original palette
+restored.
 
-Setting optimization off, drawing, then setting it back on again, is a trick
-that must occasionally be employed.
+See \helpref{wxPalette}{wxpalette} for further details. 
 
 
 \membersection{wxDC::SetPen}\label{wxdcsetpen}
@@ -1115,7 +1118,7 @@ Sets the user scaling factor, useful for applications which require
 \func{bool}{StartDoc}{\param{const wxString\& }{message}}
 
 Starts a document (only relevant when outputting to a printer).
-Message is a message to show whilst printing.
+Message is a message to show while printing.
 
 
 \membersection{wxDC::StartPage}\label{wxdcstartpage}
@@ -1126,9 +1129,9 @@ Starts a document page (only relevant when outputting to a printer).
 
 \section{\class{wxDCClipper}}\label{wxdcclipper}
 
-This is a small helper class which sets the specified to its constructor
+This is a small helper class which sets the specified DC to its constructor
 clipping region and then automatically destroys it in its destructor. Using
-it ensures that unwanted clipping region is not left set on the DC.
+it ensures that an unwanted clipping region is not left set on the DC.
 
 \wxheading{Derived from}
 
@@ -1145,7 +1148,7 @@ No base class
 \latexignore{\rtfignore{\wxheading{Members}}}
 
 
-\membersection{wxDCClipper::wxDCClipper}
+\membersection{wxDCClipper::wxDCClipper}\label{wxdcclipperctor}
 
 \func{}{wxDCClipper}{\param{wxDC\& }{dc}, \param{wxCoord }{x},\param{wxCoord }{y},\param{wxCoord }{w},\param{wxCoord }{h},}
 
@@ -1155,7 +1158,7 @@ Constructor: sets the the clipping region for the given device context to the
 specified rectangle.
 
 
-\membersection{wxDCClipper::\destruct{wxDCClipper}}
+\membersection{wxDCClipper::\destruct{wxDCClipper}}\label{wxdcclipperdtor}
 
 \func{}{\destruct{wxDCClipper}}{\void}
 
