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<HTML><STYLE> <!-- A{textdecoration:none} --></STYLE><STYLE type="text/css"> A:link, A:visited, A:active { text-decoration: none; }</STYLE><HEAD> <TITLE>IDirectFBSurface [DirectFB Reference Manual]</TITLE></HEAD><BODY bgcolor=#FFFFFF link=#0070FF vlink=#0070FF text=#404040><TABLE width=100% bgcolor=black border=0 cellspacing=1 cellpadding=3> <TR><TD width=30%> <A href="http://www.directfb.org"><IMG border=0 src="directfb.png"></A> </TD><TD align=right> <A href="index.html"><FONT size=+3 color=white>Reference Manual - 0.9.25</FONT></A> </TD></TR> <TR><TD colspan=2 align=center bgcolor=#303030> <TABLE border=0 cellspacing=0 cellpadding=0> <TR><TD nowrap align=right width=50%> <BIG><A href="index.html"><FONT color=#DDDDDD>DirectFB Interfaces</FONT></A> </BIG> </TD><TD nowrap align=left width=50%> <BIG><FONT color=orange> IDirectFBSurface</FONT></BIG> </TD></TR> </TABLE> </TD></TR></TABLE><p style="margin-left:3%; margin-right:3%;"> <i>No summary yet...</i></p><P> <CENTER><TABLE width=93% border=1 rules=groups cellpadding=2 cellspacing=0> <THEAD> <TR><TH colspan=3>Methods of IDirectFBSurface</TH></TR> </THEAD> <TBODY> <TR><TD valign=top> <B><SMALL>Retrieving information </SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_GetCapabilities.html"> <B>GetCapabilities</B></A> </TD><TD valign=top> Return the capabilities of this surface. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_GetSize.html"> <B>GetSize</B></A> </TD><TD valign=top> Get the surface's width and height in pixels. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_GetVisibleRectangle.html"> <B>GetVisibleRectangle</B></A> </TD><TD valign=top> Created sub surfaces might be clipped by their parents, this function returns the resulting rectangle relative to this surface. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_GetPixelFormat.html"> <B>GetPixelFormat</B></A> </TD><TD valign=top> Get the current pixel format. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_GetAccelerationMask.html"> <B>GetAccelerationMask</B></A> </TD><TD valign=top> Get a mask of drawing functions that are hardware accelerated with the current settings. </TD></TR> <TR><TD valign=top> <B><SMALL>Palette & Alpha Ramp </SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_GetPalette.html"> <B>GetPalette</B></A> </TD><TD valign=top> Get access to the surface's palette. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetPalette.html"> <B>SetPalette</B></A> </TD><TD valign=top> Change the surface's palette. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetAlphaRamp.html"> <B>SetAlphaRamp</B></A> </TD><TD valign=top> Set the alpha ramp for formats with one or two alpha bits. </TD></TR> <TR><TD valign=top> <B><SMALL>Buffer operations </SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_Lock.html"> <B>Lock</B></A> </TD><TD valign=top> Lock the surface for the access type specified. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_Unlock.html"> <B>Unlock</B></A> </TD><TD valign=top> Unlock the surface after direct access. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_Flip.html"> <B>Flip</B></A> </TD><TD valign=top> Flip the two buffers of the surface. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetField.html"> <B>SetField</B></A> </TD><TD valign=top> Set the active field. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_Clear.html"> <B>Clear</B></A> </TD><TD valign=top> Clear the surface and its depth buffer if existent. </TD></TR> <TR><TD valign=top> <B><SMALL>Drawing/blitting control </SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetClip.html"> <B>SetClip</B></A> </TD><TD valign=top> Set the clipping region used to limit the area for drawing, blitting and text functions. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetColor.html"> <B>SetColor</B></A> </TD><TD valign=top> Set the color used for drawing/text functions or alpha/color modulation (blitting functions). </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetColorIndex.html"> <B>SetColorIndex</B></A> </TD><TD valign=top> Set the color like with SetColor() but using an index to the color/alpha lookup table. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetSrcBlendFunction.html"> <B>SetSrcBlendFunction</B></A> </TD><TD valign=top> Set the blend function that applies to the source. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetDstBlendFunction.html"> <B>SetDstBlendFunction</B></A> </TD><TD valign=top> Set the blend function that applies to the destination. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetPorterDuff.html"> <B>SetPorterDuff</B></A> </TD><TD valign=top> Set the source and destination blend function by specifying a Porter/Duff rule. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetSrcColorKey.html"> <B>SetSrcColorKey</B></A> </TD><TD valign=top> Set the source color key, i.e. the color that is excluded when blitting FROM this surface TO another that has source color keying enabled. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetSrcColorKeyIndex.html"> <B>SetSrcColorKeyIndex</B></A> </TD><TD valign=top> Set the source color key like with SetSrcColorKey() but using an index to the color/alpha lookup table. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetDstColorKey.html"> <B>SetDstColorKey</B></A> </TD><TD valign=top> Set the destination color key, i.e. the only color that gets overwritten by drawing and blitting to this surface when destination color keying is enabled. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetDstColorKeyIndex.html"> <B>SetDstColorKeyIndex</B></A> </TD><TD valign=top> Set the destination color key like with SetDstColorKey() but using an index to the color/alpha lookup table. </TD></TR> <TR><TD valign=top> <B><SMALL>Blitting functions </SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetBlittingFlags.html"> <B>SetBlittingFlags</B></A> </TD><TD valign=top> Set the flags for all subsequent blitting commands. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_Blit.html"> <B>Blit</B></A> </TD><TD valign=top> Blit an area from the source to this surface. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_TileBlit.html"> <B>TileBlit</B></A> </TD><TD valign=top> Blit an area from the source tiled to this surface. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_BatchBlit.html"> <B>BatchBlit</B></A> </TD><TD valign=top> Blit a bunch of areas at once. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_StretchBlit.html"> <B>StretchBlit</B></A> </TD><TD valign=top> Blit an area scaled from the source to the destination rectangle. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_TextureTriangles.html"> <B>TextureTriangles</B></A> </TD><TD valign=top> Preliminary texture mapping support. </TD></TR> <TR><TD valign=top> <B><SMALL>Drawing functions </SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetDrawingFlags.html"> <B>SetDrawingFlags</B></A> </TD><TD valign=top> Set the flags for all subsequent drawing commands. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_FillRectangle.html"> <B>FillRectangle</B></A> </TD><TD valign=top> Fill the specified rectangle with the given color following the specified flags. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_DrawRectangle.html"> <B>DrawRectangle</B></A> </TD><TD valign=top> Draw an outline of the specified rectangle with the given color following the specified flags. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_DrawLine.html"> <B>DrawLine</B></A> </TD><TD valign=top> Draw a line from one point to the other with the given color following the drawing flags. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_DrawLines.html"> <B>DrawLines</B></A> </TD><TD valign=top> Draw 'num_lines' lines with the given color following the drawing flags. Each line specified by a DFBRegion. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_FillTriangle.html"> <B>FillTriangle</B></A> </TD><TD valign=top> Fill a non-textured triangle. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_FillRectangles.html"> <B>FillRectangles</B></A> </TD><TD valign=top> Fill a bunch of rectangles with a single call. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_FillSpans.html"> <B>FillSpans</B></A> </TD><TD valign=top> Fill spans specified by x and width. </TD></TR> <TR><TD valign=top> <B><SMALL>Text functions </SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_SetFont.html"> <B>SetFont</B></A> </TD><TD valign=top> Set the font used by DrawString() and DrawGlyph(). You can pass NULL here to unset the font. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_GetFont.html"> <B>GetFont</B></A> </TD><TD valign=top> Get the font associated with a surface. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_DrawString.html"> <B>DrawString</B></A> </TD><TD valign=top> Draw an UTF-8 string at the specified position with the given color following the specified flags. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_DrawGlyph.html"> <B>DrawGlyph</B></A> </TD><TD valign=top> Draw a single glyph specified by its Unicode index at the specified position with the given color following the specified flags. </TD></TR> <TR><TD valign=top> <B><SMALL>Lightweight helpers </SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_GetSubSurface.html"> <B>GetSubSurface</B></A> </TD><TD valign=top> Get an interface to a sub area of this surface. </TD></TR> <TR><TD valign=top> <B><SMALL>OpenGL </SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_GetGL.html"> <B>GetGL</B></A> </TD><TD valign=top> Get an OpenGL context for this surface. </TD></TR> <TR><TD valign=top> <B><SMALL>Debug </SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_Dump.html"> <B>Dump</B></A> </TD><TD valign=top> Dump the contents of the surface to one or two files. </TD></TR> <TR><TD valign=top> <B><SMALL></SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_DisableAcceleration.html"> <B>DisableAcceleration</B></A> </TD><TD valign=top> Disable hardware acceleration. </TD></TR> <TR><TD valign=top> <B><SMALL>More information </SMALL></B> </TD><TD valign=top> <A href="IDirectFBSurface_GetClip.html"> <B>GetClip</B></A> </TD><TD valign=top> Get the clipping region used to limit the area for drawing, blitting and text functions. </TD></TR> </TBODY> </TABLE></CENTER></P></BODY></HTML>⌨️ 快捷键说明
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