diff options
Diffstat (limited to 'src/display/nr-style.cpp')
| -rw-r--r-- | src/display/nr-style.cpp | 140 |
1 files changed, 127 insertions, 13 deletions
diff --git a/src/display/nr-style.cpp b/src/display/nr-style.cpp index 09a28e63c..ec3117079 100644 --- a/src/display/nr-style.cpp +++ b/src/display/nr-style.cpp @@ -54,8 +54,13 @@ NRStyle::NRStyle() , line_join(CAIRO_LINE_JOIN_MITER) , fill_pattern(NULL) , stroke_pattern(NULL) + , text_decoration_fill_pattern(NULL) + , text_decoration_stroke_pattern(NULL) , text_decoration_line(TEXT_DECORATION_LINE_CLEAR) , text_decoration_style(TEXT_DECORATION_STYLE_CLEAR) + , text_decoration_fill() + , text_decoration_stroke() + , text_decoration_stroke_width(0.0) , phase_length(0.0) , tspan_line_start(false) , tspan_line_end(false) @@ -76,11 +81,15 @@ NRStyle::~NRStyle() { if (fill_pattern) cairo_pattern_destroy(fill_pattern); if (stroke_pattern) cairo_pattern_destroy(stroke_pattern); + if (text_decoration_fill_pattern) cairo_pattern_destroy(text_decoration_fill_pattern); + if (text_decoration_stroke_pattern) cairo_pattern_destroy(text_decoration_stroke_pattern); if (dash){ delete [] dash; } fill.clear(); stroke.clear(); + text_decoration_fill.clear(); + text_decoration_stroke.clear(); } void NRStyle::set(SPStyle *style) @@ -195,15 +204,65 @@ void NRStyle::set(SPStyle *style) if(style->text_decoration_style.dashed ){ text_decoration_style |= TEXT_DECORATION_STYLE_DASHED + TEXT_DECORATION_STYLE_SET; } if(style->text_decoration_style.wavy ){ text_decoration_style |= TEXT_DECORATION_STYLE_WAVY + TEXT_DECORATION_STYLE_SET; } + /* FIXME + The meaning of text-decoration-color in CSS3 for SVG is ambiguous (2014-05-06). Set + it for fill, for stroke, for both? Both would seem like the obvious choice but what happens + is that for text which is just fill (very common) it makes the lines fatter because it + enables stroke on the decorations when it wasn't present on the text. That contradicts the + usual behavior where the text and decorations by default have the same fill/stroke. + + The behavior here is that if color is defined it is applied to text_decoration_fill/stroke + ONLY if the corresponding fill/stroke is also present. + + Hopefully the standard will be clarified to resolve this issue. + */ + + SPStyle* style_td = style; + if ( style->text_decoration.style_td ) style_td = style->text_decoration.style_td; + text_decoration_stroke.opacity = SP_SCALE24_TO_FLOAT(style_td->stroke_opacity.value); + text_decoration_stroke_width = style_td->stroke_width.computed; + if( style->text_decoration_color.set || style->text_decoration_color.inherit || - style->text_decoration_color.currentcolor ){ - text_decoration_color.set(style->text_decoration_color.value.color); - text_decoration_useColor = true; - } - else { - text_decoration_color.clear(); - text_decoration_useColor = false; + style->text_decoration_color.currentcolor ) { + + if(style->fill.isPaintserver() || style->fill.isColor()) { + // SVG sets color specifically + text_decoration_fill.set(style->text_decoration_color.value.color); + } else { + // No decoration fill because no text fill + text_decoration_fill.clear(); + } + + if(style->stroke.isPaintserver() || style->stroke.isColor()) { + // SVG sets color specifically + text_decoration_stroke.set(style->text_decoration_color.value.color); + } else { + // No decoration stroke because no text stroke + text_decoration_stroke.clear(); + } + + } else { + // Pick color/pattern from text + if ( style_td->fill.isPaintserver() ) { + text_decoration_fill.set(style_td->getFillPaintServer()); + } else if ( style_td->fill.isColor() ) { + text_decoration_fill.set(style_td->fill.value.color); + } else if ( style_td->fill.isNone() ) { + text_decoration_fill.clear(); + } else { + g_assert_not_reached(); + } + + if ( style_td->stroke.isPaintserver() ) { + text_decoration_stroke.set(style_td->getStrokePaintServer()); + } else if ( style_td->stroke.isColor() ) { + text_decoration_stroke.set(style_td->stroke.value.color); + } else if ( style_td->stroke.isNone() ) { + text_decoration_stroke.clear(); + } else { + g_assert_not_reached(); + } } if(text_decoration_line != TEXT_DECORATION_LINE_CLEAR){ @@ -232,10 +291,8 @@ bool NRStyle::prepareFill(Inkscape::DrawingContext &dc, Geom::OptRect const &pai if (!fill_pattern) { switch (fill.type) { case PAINT_SERVER: { - //fill_pattern = sp_paint_server_create_pattern(fill.server, dc.raw(), paintbox, fill.opacity); - fill_pattern = fill.server->pattern_new(dc.raw(), paintbox, fill.opacity); - - } break; + fill_pattern = fill.server->pattern_new(dc.raw(), paintbox, fill.opacity); + } break; case PAINT_COLOR: { SPColor const &c = fill.color; fill_pattern = cairo_pattern_create_rgba( @@ -254,14 +311,38 @@ void NRStyle::applyFill(Inkscape::DrawingContext &dc) dc.setFillRule(fill_rule); } +bool NRStyle::prepareTextDecorationFill(Inkscape::DrawingContext &dc, Geom::OptRect const &paintbox) +{ + // update text decoration pattern + if (!text_decoration_fill_pattern) { + switch (text_decoration_fill.type) { + case PAINT_SERVER: { + text_decoration_fill_pattern = text_decoration_fill.server->pattern_new(dc.raw(), paintbox, text_decoration_fill.opacity); + } break; + case PAINT_COLOR: { + SPColor const &c = text_decoration_fill.color; + text_decoration_fill_pattern = cairo_pattern_create_rgba( + c.v.c[0], c.v.c[1], c.v.c[2], text_decoration_fill.opacity); + } break; + default: break; + } + } + if (!text_decoration_fill_pattern) return false; + return true; +} + +void NRStyle::applyTextDecorationFill(Inkscape::DrawingContext &dc) +{ + dc.setSource(text_decoration_fill_pattern); + // Fill rule does not matter, no intersections. +} + bool NRStyle::prepareStroke(Inkscape::DrawingContext &dc, Geom::OptRect const &paintbox) { if (!stroke_pattern) { switch (stroke.type) { case PAINT_SERVER: { - //stroke_pattern = sp_paint_server_create_pattern(stroke.server, dc.raw(), paintbox, stroke.opacity); stroke_pattern = stroke.server->pattern_new(dc.raw(), paintbox, stroke.opacity); - } break; case PAINT_COLOR: { SPColor const &c = stroke.color; @@ -285,13 +366,46 @@ void NRStyle::applyStroke(Inkscape::DrawingContext &dc) cairo_set_dash(dc.raw(), dash, n_dash, dash_offset); // fixme } +bool NRStyle::prepareTextDecorationStroke(Inkscape::DrawingContext &dc, Geom::OptRect const &paintbox) +{ + if (!text_decoration_stroke_pattern) { + switch (text_decoration_stroke.type) { + case PAINT_SERVER: { + text_decoration_stroke_pattern = text_decoration_stroke.server->pattern_new(dc.raw(), paintbox, text_decoration_stroke.opacity); + } break; + case PAINT_COLOR: { + SPColor const &c = text_decoration_stroke.color; + text_decoration_stroke_pattern = cairo_pattern_create_rgba( + c.v.c[0], c.v.c[1], c.v.c[2], text_decoration_stroke.opacity); + } break; + default: break; + } + } + if (!text_decoration_stroke_pattern) return false; + return true; +} + +void NRStyle::applyTextDecorationStroke(Inkscape::DrawingContext &dc) +{ + dc.setSource(text_decoration_stroke_pattern); + dc.setLineWidth(text_decoration_stroke_width); + dc.setLineCap(CAIRO_LINE_CAP_BUTT); + dc.setLineJoin(CAIRO_LINE_JOIN_MITER); + dc.setMiterLimit(miter_limit); + cairo_set_dash(dc.raw(), 0, 0, 0.0); // fixme (no dash) +} + void NRStyle::update() { // force pattern update if (fill_pattern) cairo_pattern_destroy(fill_pattern); if (stroke_pattern) cairo_pattern_destroy(stroke_pattern); + if (text_decoration_fill_pattern) cairo_pattern_destroy(text_decoration_fill_pattern); + if (text_decoration_stroke_pattern) cairo_pattern_destroy(text_decoration_stroke_pattern); fill_pattern = NULL; stroke_pattern = NULL; + text_decoration_fill_pattern = NULL; + text_decoration_stroke_pattern = NULL; } /* |