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Shrink the font size to make the tutorial instructions fit.
Format text to solve all problematic line wrapping. Add my name to the README.
This commit is contained in:
Carl Worth
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4 changed files with 58 additions and 47 deletions
10
ChangeLog
10
ChangeLog
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@ -1,3 +1,13 @@
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2006-01-26 Carl Worth <cworth@cworth.org>
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* doc/tutorial/slides/cairo-blank.svg: Shrink the font size to
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make the tutorial instructions fit.
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* doc/tutorial/slides/tutorial.xml: Format text to solve all
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problematic line wrapping.
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* doc/tutorial/src/README: Add my name to the README.
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2006-01-26 Carl Worth <cworth@cworth.org>
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* doc/tutorial/src/cairo-tutorial.h:
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@ -476,7 +476,7 @@
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<!-- Slide content -->
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<g ss:region="default">
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<rect x="112" y="200" width="800" height="480" fill="none" stroke="blue"/>
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<text font-size="40" fill="black"
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<text font-size="35" fill="black"
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x="112" y="232">Slide content</text>
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</g>
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Before Width: | Height: | Size: 23 KiB After Width: | Height: | Size: 23 KiB |
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@ -15,10 +15,11 @@
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<lc></lc>
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<lc align="center">http://cairographics.org/tutorial</lc>
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<lc></lc>
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<li>wget http://cairographics.org/tutorial.tar.gz</li>
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<li>tar xzf tutorial.tar.gz</li>
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<li>cd tutorial</li>
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<li>wget http://cairographics.org/cairo-tutorial.tar.gz</li>
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<li>tar xzf cairo-tutorial.tar.gz</li>
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<li>cd cairo-tutorial</li>
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<li>make</li>
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<li>cat README</li>
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<lc></lc>
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<lc align="center">IRC: irc.freenode.net #cairo</lc>
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</slide>
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@ -199,12 +200,11 @@
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<slide title="Following along" >
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<lc></lc>
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<lc align="center">http://cairographics.org/tutorial</lc>
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<lc></lc>
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<li>wget http://cairographics.org/tutorial.tar.gz</li>
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<li>tar xzf tutorial.tar.gz</li>
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<li>cd tutorial</li>
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<lc align="center">http://cairographics.org/cairo-tutorial.tar.gz</lc>
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<li>tar xzf cairo-tutorial.tar.gz</li>
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<li>cd cairo-tutorial</li>
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<li>make</li>
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<lc></lc>
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<li>cat README</li>
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<lc align="center">IRC: irc.freenode.net #cairo</lc>
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</slide>
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@ -296,11 +296,10 @@
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<slide title="cairo_stroke example">
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</slide>
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<slide title="cairo_set_line_width example">
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<slide title="cairo_set_line_width">
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</slide>
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<slide title="cairo_set_line_cap example">
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<li>cairo_set_line_cap</li>
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<ul>
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<li>CAIRO_LINE_CAP_BUTT</li>
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<li>CAIRO_LINE_CAP_ROUND</li>
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@ -309,7 +308,6 @@
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</slide>
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<slide title="cairo_set_line_join example">
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<li>cairo_set_line_join</li>
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<ul>
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<li>CAIRO_LINE_JOIN_BEVEL</li>
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<li>CAIRO_LINE_JOIN_ROUND</li>
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@ -318,24 +316,23 @@
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</slide>
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<slide title="cairo_close_path example">
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<li>cairo_close_path</li>
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<li>Adds a line segment (if necessary) to the start of the path</li>
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<li>Draws a join from that line to the first element of the path</li>
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<li>Adds a line segment (if necessary) to the</li>
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<lc>start of the path</lc>
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<li>Draws a join from that line to the first</li>
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<lc>element of the path</lc>
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</slide>
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<slide title="cairo_set_dash example">
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</slide>
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<slide title="Filling paths">
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<slide title="cairo_fill">
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<ul>
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<li>cairo_fill</li>
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<li>Paints the “inside” of the path</li>
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<li>Two different ways to determine inside-ness</li>
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<ul>
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<li>Paints the “inside” of the path</li>
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<li>Two different ways to determine inside-ness</li>
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<ul>
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<li>cairo_set_fill_rule (CAIRO_FILL_RULE_WINDING)</li>
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<li>cairo_set_fill_rule (CAIRO_FILL_RULE_EVEN_ODD)</li>
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</ul>
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<li>cairo_set_fill_rule:</li>
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<lc> CAIRO_FILL_RULE_WINDING</lc>
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<lc> CAIRO_FILL_RULE_EVEN_ODD</lc>
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</ul>
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</ul>
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</slide>
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@ -343,23 +340,22 @@
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<slide title="cairo_fill example">
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</slide>
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<slide title="Fill rules">
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<li>To test a point for inside-ness, imagine a ray from the point</li>
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<lc>and extending to infinity (any direction) and examine path crossings</lc>
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<slide title="cairo_set_fill_rule">
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<li>To test a point for inside-ness, imagine a ray</li>
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<lc>from the point and extending to infinity</lc>
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<lc>(any direction) and examine path crossings</lc>
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<li>EVEN_ODD counts crossings and fills when odd</li>
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<li>WINDING counts up/down for leftward/rightward crossings</li>
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<li>WINDING counts up/down for left/right crossings</li>
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<lc>and fills when the final number is not zero</lc>
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</slide>
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<slide title="Fill rule example">
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</slide>
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<slide title="Fill rule example">
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</slide>
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<slide title="Something besides black?">
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<li>All drawing occurs with the source pattern</li>
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<li>Uniform-color sources can be set with/without alpha:</li>
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<li>Uniform-color sources can be set</li>
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<lc>with or without alpha:</lc>
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<ul>
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<li>cairo_set_source_rgb</li>
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<li>cairo_set_source_rgba</li>
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@ -409,7 +405,8 @@
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<slide title="Affine Transformations">
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<ul>
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<li>Single matrix combines rotation, translation, scale and shear</li>
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<li>Single matrix combines rotation, translation,</li>
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<lc>scale and shear</lc>
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<li>Non-projective transformations</li>
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<ul>
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<li>Pen doesn't change shape along the stroke</li>
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@ -425,20 +422,23 @@
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</slide>
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<slide title="Save/Restore Graphics States">
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<li>cairo_save and cairo_restore</li>
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<li>Very useful for bracketing function bodies</li>
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<li>Eliminates graphics state side effects</li>
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<lc></lc>
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<li>NOTE: Path is not part of graphics state</li>
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<ul>
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<li>Path is not affected by cairo_save/restore</li>
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<li>Useful for path-generating functions</li>
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<li>cairo_save and cairo_restore</li>
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<li>Very useful for bracketing function bodies</li>
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<li>Eliminates graphics state side effects</li>
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<lc></lc>
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<li>NOTE: Path is not part of graphics state</li>
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<ul>
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<li>Path is not affected by cairo_save/restore</li>
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<li>Useful for path-generating functions</li>
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</ul>
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</ul>
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</slide>
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<slide title="Clipping">
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<li>cairo_clip</li>
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<li>Intersects path with current clip to further restrict drawing</li>
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<li>Intersects path with current clip to further</li>
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<lc>restrict drawing</lc>
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<li>Pixel-aligned clipping is much faster</li>
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<li>cairo_clip_preserve is available as well</li>
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</slide>
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@ -480,14 +480,14 @@
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<ul>
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<li>“Toy” API:</li>
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<ul>
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<li>Useful for demos like we are writing today.</li>
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<li>No real layout—not useful for the majority of writing</li>
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<lc>systems in the world.</lc>
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<li>Useful for demos like we are writing today</li>
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<li>No real layout—not useful for the majority</li>
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<lc>of writing systems in the world</lc>
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</ul>
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<li>“Full” API:</li>
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<ul>
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<li>User must do OS-dependent font selection</li>
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<li>User must map access font glyph IDs directly</li>
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<li>User must access font glyph IDs directly</li>
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<li>User must do all text layout</li>
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</ul>
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</ul>
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@ -522,7 +522,8 @@
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<slide title="Cairo error handling">
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<li>Cairo stores status value when error occurs</li>
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<li>API “shuts down” when an error occurs</li>
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<li>All cairo functions are benign (and well defined) after any error.</li>
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<li>All cairo functions are benign</li>
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<lc>(and well defined) after any error.</lc>
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<li>cairo_status can be called when convenient</li>
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<li>Error status values propagate across objects</li>
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</slide>
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@ -61,6 +61,6 @@ that are compiled, you may edit the "all" target in the Makefile.
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Have fun!
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-Carl Worth
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cworth@redhat.com
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