diff options
Diffstat (limited to 'ppmdraw.html')
| -rw-r--r-- | ppmdraw.html | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/ppmdraw.html b/ppmdraw.html index 2e2fe4cc..75bf1ebb 100644 --- a/ppmdraw.html +++ b/ppmdraw.html @@ -36,7 +36,7 @@ and its value. <p><B>ppmdraw</B> draws lines, shapes, text, etc. on a PPM image. It is essentially an easy-to-program front end to <b>libnetpbm</b>'s -"ppmd" subroutines. It lets you create a human-friendly +"ppmd" subroutines. It lets you create a human-friendly script to describe the drawing rather than write a C program. <p>You supply drawing instructions with a script, which you supply either @@ -46,19 +46,19 @@ in a file named by a <b>-scriptfile</b> option or as the value of a <pre> <code> setpos 50 50; -text_here 10 30 "hello"; +text_here 10 30 "hello"; setcolor black; -text_here 10 0 "there"; +text_here 10 0 "there"; line_here 5 20; </code> </pre> <p>This example starts at Column 50, Row 50 of the input image and -writes the word "hello" there in 10 pixel high white letters +writes the word "hello" there in 10 pixel high white letters at a 30 degree angle up from horizontal. Then, from where that leaves -off, the script writes "there" in 10 pixel high black +off, the script writes "there" in 10 pixel high black letters horizontally. Finally, it draws a black line to a point 5 -pixels over and 20 pixels down from the end of "there." +pixels over and 20 pixels down from the end of "there." <P>If you don't specify <I>ppmfile</I>, <B>ppmdraw</B> reads its input PPM image from Standard Input. @@ -128,7 +128,7 @@ But any pixels you draw there just get discarded. <dl> <dt>setpos -<dd>Set the "current position" in the image. This affects +<dd>Set the "current position" in the image. This affects where subsequent commands draw things. The 2 arguments are the column and row number. @@ -136,7 +136,7 @@ and row number. <dt>setlinetype -<dd>The 1 argument is "normal" or "nodiag.". This +<dd>The 1 argument is "normal" or "nodiag.". This effects a <b>ppmd_setlinetype()</b> call. Further details are not yet documented. @@ -146,7 +146,7 @@ documented. <dt>setcolor -<dd>This sets the "current color", which determines the color +<dd>This sets the "current color", which determines the color in which subsequent drawing commands draw. Before the first <b>setcolor</b>, the current color is white. @@ -156,17 +156,17 @@ library routine</a>. <dt>setfont -<dd>This sets the "current font", which determines the font +<dd>This sets the "current font", which determines the font in which subsequent text drawing commands draw. Before the first <b>setfont</b>, the current font is a built in font called -"standard." +"standard." <p>The argument of this command is a file name. It is the name of a Netpbm PPMD font file. <p>A Netpbm PPMD font file typically has a name that ends in -".ppmdfont" and its first 8 bytes are the ASCII encoding of -"ppmdfont". +".ppmdfont" and its first 8 bytes are the ASCII encoding of +"ppmdfont". <p>There is only one of these fonts as far as we know. It is distributed with Netpbm as the file <b>standard.ppmdfont</b>, but you don't need to use that |