From 179fa413b047bede6e32109e2ce82437c5fb8d34 Mon Sep 17 00:00:00 2001 From: MenTaLguY Date: Mon, 16 Jan 2006 02:36:01 +0000 Subject: moving trunk for module inkscape (bzr r1) --- src/display/nr-arena-shape.cpp | 1298 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1298 insertions(+) create mode 100644 src/display/nr-arena-shape.cpp (limited to 'src/display/nr-arena-shape.cpp') diff --git a/src/display/nr-arena-shape.cpp b/src/display/nr-arena-shape.cpp new file mode 100644 index 000000000..4fd381ad4 --- /dev/null +++ b/src/display/nr-arena-shape.cpp @@ -0,0 +1,1298 @@ +#define __NR_ARENA_SHAPE_C__ + +/* + * RGBA display list system for inkscape + * + * Author: + * Lauris Kaplinski + * + * Copyright (C) 2001-2002 Lauris Kaplinski + * Copyright (C) 2001 Ximian, Inc. + * + * Released under GNU GPL, read the file 'COPYING' for more information + */ + + + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +//int showRuns=0; +void nr_pixblock_render_shape_mask_or (NRPixBlock &m,Shape* theS); + +static void nr_arena_shape_class_init (NRArenaShapeClass *klass); +static void nr_arena_shape_init (NRArenaShape *shape); +static void nr_arena_shape_finalize (NRObject *object); + +static NRArenaItem *nr_arena_shape_children (NRArenaItem *item); +static void nr_arena_shape_add_child (NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref); +static void nr_arena_shape_remove_child (NRArenaItem *item, NRArenaItem *child); +static void nr_arena_shape_set_child_position (NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref); + +static guint nr_arena_shape_update (NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset); +static unsigned int nr_arena_shape_render (NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags); +static guint nr_arena_shape_clip (NRArenaItem *item, NRRectL *area, NRPixBlock *pb); +static NRArenaItem *nr_arena_shape_pick (NRArenaItem *item, NR::Point p, double delta, unsigned int sticky); + +static NRArenaItemClass *shape_parent_class; + +NRType +nr_arena_shape_get_type (void) +{ + static NRType type = 0; + if (!type) { + type = nr_object_register_type (NR_TYPE_ARENA_ITEM, + "NRArenaShape", + sizeof (NRArenaShapeClass), + sizeof (NRArenaShape), + (void (*) (NRObjectClass *)) nr_arena_shape_class_init, + (void (*) (NRObject *)) nr_arena_shape_init); + } + return type; +} + +static void +nr_arena_shape_class_init (NRArenaShapeClass *klass) +{ + NRObjectClass *object_class; + NRArenaItemClass *item_class; + + object_class = (NRObjectClass *) klass; + item_class = (NRArenaItemClass *) klass; + + shape_parent_class = (NRArenaItemClass *) ((NRObjectClass *) klass)->parent; + + object_class->finalize = nr_arena_shape_finalize; + object_class->cpp_ctor = NRObject::invoke_ctor; + + item_class->children = nr_arena_shape_children; + item_class->add_child = nr_arena_shape_add_child; + item_class->set_child_position = nr_arena_shape_set_child_position; + item_class->remove_child = nr_arena_shape_remove_child; + item_class->update = nr_arena_shape_update; + item_class->render = nr_arena_shape_render; + item_class->clip = nr_arena_shape_clip; + item_class->pick = nr_arena_shape_pick; +} + +static void +nr_arena_shape_init (NRArenaShape *shape) +{ + shape->curve = NULL; + shape->style = NULL; + shape->paintbox.x0 = shape->paintbox.y0 = 0.0F; + shape->paintbox.x1 = shape->paintbox.y1 = 256.0F; + + nr_matrix_set_identity (&shape->ctm); + shape->fill_painter = NULL; + shape->stroke_painter = NULL; + shape->cached_fill = NULL; + shape->cached_stroke = NULL; + shape->fill_shp = NULL; + shape->stroke_shp = NULL; + + shape->delayed_shp = false; + + shape->approx_bbox.x0 = shape->approx_bbox.y0 = 0; + shape->approx_bbox.x1 = shape->approx_bbox.y1 = 0; + nr_matrix_set_identity(&shape->cached_fctm); + nr_matrix_set_identity(&shape->cached_sctm); + + shape->markers = NULL; +} + +static void +nr_arena_shape_finalize (NRObject *object) +{ + NRArenaShape *shape = (NRArenaShape *) (object); + + if (shape->fill_shp) delete shape->fill_shp; + if (shape->stroke_shp) delete shape->stroke_shp; + if (shape->cached_fill) delete shape->cached_fill; + if (shape->cached_stroke) delete shape->cached_stroke; + if (shape->fill_painter) sp_painter_free (shape->fill_painter); + if (shape->stroke_painter) sp_painter_free (shape->stroke_painter); + + if (shape->style) sp_style_unref (shape->style); + if (shape->curve) sp_curve_unref (shape->curve); + + ((NRObjectClass *) shape_parent_class)->finalize (object); +} + +static NRArenaItem * +nr_arena_shape_children (NRArenaItem *item) +{ + NRArenaShape *shape = (NRArenaShape *) item; + + return shape->markers; +} + +static void +nr_arena_shape_add_child (NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref) +{ + NRArenaShape *shape = (NRArenaShape *) item; + + if (!ref) { + shape->markers = nr_arena_item_attach_ref (item, child, NULL, shape->markers); + } else { + ref->next = nr_arena_item_attach_ref (item, child, ref, ref->next); + } + + nr_arena_item_request_update (item, NR_ARENA_ITEM_STATE_ALL, FALSE); +} + +static void +nr_arena_shape_remove_child (NRArenaItem *item, NRArenaItem *child) +{ + NRArenaShape *shape = (NRArenaShape *) item; + + if (child->prev) { + nr_arena_item_detach_unref (item, child); + } else { + shape->markers = nr_arena_item_detach_unref (item, child); + } + + nr_arena_item_request_update (item, NR_ARENA_ITEM_STATE_ALL, FALSE); +} + +static void +nr_arena_shape_set_child_position (NRArenaItem *item, NRArenaItem *child, NRArenaItem *ref) +{ + NRArenaShape *shape = (NRArenaShape *) item; + + if (child->prev) { + nr_arena_item_detach_unref (item, child); + } else { + shape->markers = nr_arena_item_detach_unref (item, child); + } + + if (!ref) { + shape->markers = nr_arena_item_attach_ref (item, child, NULL, shape->markers); + } else { + ref->next = nr_arena_item_attach_ref (item, child, ref, ref->next); + } + + nr_arena_item_request_render (child); +} + +void nr_arena_shape_update_stroke(NRArenaShape *shape,NRGC* gc); +void nr_arena_shape_update_fill(NRArenaShape *shape,NRGC *gc); +void nr_arena_shape_add_bboxes(NRArenaShape* shape,NRRect &bbox); + +static guint +nr_arena_shape_update (NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset) +{ + NRRect bbox; + + NRArenaShape *shape = NR_ARENA_SHAPE (item); + + unsigned int beststate = NR_ARENA_ITEM_STATE_ALL; + + unsigned int newstate; + for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) { + newstate = nr_arena_item_invoke_update (child, area, gc, state, reset); + beststate = beststate & newstate; + } + + if (!(state & NR_ARENA_ITEM_STATE_RENDER)) { + /* We do not have to create rendering structures */ + shape->ctm = gc->transform; + if (state & NR_ARENA_ITEM_STATE_BBOX) { + if (shape->curve) { + NRBPath bp; + /* fixme: */ + bbox.x0 = bbox.y0 = NR_HUGE; + bbox.x1 = bbox.y1 = -NR_HUGE; + bp.path = shape->curve->bpath; + nr_path_matrix_bbox_union(&bp, gc->transform, &bbox); + item->bbox.x0 = (gint32)(bbox.x0 - 1.0F); + item->bbox.y0 = (gint32)(bbox.y0 - 1.0F); + item->bbox.x1 = (gint32)(bbox.x1 + 1.9999F); + item->bbox.y1 = (gint32)(bbox.y1 + 1.9999F); + } + if (beststate & NR_ARENA_ITEM_STATE_BBOX) { + for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) { + nr_rect_l_union (&item->bbox, &item->bbox, &child->bbox); + } + } + } + return (state | item->state); + } + + shape->delayed_shp=true; + shape->ctm = gc->transform; + bbox.x0 = bbox.y0 = NR_HUGE; + bbox.x1 = bbox.y1 = -NR_HUGE; + + if (shape->curve) { + NRBPath bp; + /* fixme: */ + bbox.x0 = bbox.y0 = NR_HUGE; + bbox.x1 = bbox.y1 = -NR_HUGE; + bp.path = shape->curve->bpath; + nr_path_matrix_bbox_union(&bp, gc->transform, &bbox); + if (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE) { + float width, scale; + scale = NR_MATRIX_DF_EXPANSION (&gc->transform); + width = MAX (0.125, shape->_stroke.width * scale); + if ( fabs(shape->_stroke.width * scale) > 0.01 ) { // sinon c'est 0=oon veut pas de bord + bbox.x0-=width; + bbox.x1+=width; + bbox.y0-=width; + bbox.y1+=width; + } + // those pesky miters, now + float miterMax=width*shape->_stroke.mitre_limit; + if ( miterMax > 0.01 ) { + // grunt mode. we should compute the various miters instead (one for each point on the curve) + bbox.x0-=miterMax; + bbox.x1+=miterMax; + bbox.y0-=miterMax; + bbox.y1+=miterMax; + } + } + } else { + } + shape->approx_bbox.x0 = (gint32)(bbox.x0 - 1.0F); + shape->approx_bbox.y0 = (gint32)(bbox.y0 - 1.0F); + shape->approx_bbox.x1 = (gint32)(bbox.x1 + 1.9999F); + shape->approx_bbox.y1 = (gint32)(bbox.y1 + 1.9999F); + if ( area && nr_rect_l_test_intersect (area, &shape->approx_bbox) ) shape->delayed_shp=false; + + /* Release state data */ + if (TRUE || !nr_matrix_test_transform_equal (&gc->transform, &shape->ctm, NR_EPSILON)) { + /* Concept test */ + if (shape->fill_shp) { + delete shape->fill_shp; + shape->fill_shp = NULL; + } + } + if (shape->stroke_shp) { + delete shape->stroke_shp; + shape->stroke_shp = NULL; + } + if (shape->fill_painter) { + sp_painter_free (shape->fill_painter); + shape->fill_painter = NULL; + } + if (shape->stroke_painter) { + sp_painter_free (shape->stroke_painter); + shape->stroke_painter = NULL; + } + + if (!shape->curve || !shape->style) return NR_ARENA_ITEM_STATE_ALL; + if (sp_curve_is_empty (shape->curve)) return NR_ARENA_ITEM_STATE_ALL; + if ( ( shape->_fill.paint.type() == NRArenaShape::Paint::NONE ) && + ( shape->_stroke.paint.type() == NRArenaShape::Paint::NONE ) ) + { + return NR_ARENA_ITEM_STATE_ALL; + } + + /* Build state data */ + if ( shape->delayed_shp ) { + item->bbox=shape->approx_bbox; + } else { + nr_arena_shape_update_stroke(shape,gc); + nr_arena_shape_update_fill(shape,gc); + + bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0; + nr_arena_shape_add_bboxes(shape,bbox); + + shape->approx_bbox.x0 = (gint32)(bbox.x0 - 1.0F); + shape->approx_bbox.y0 = (gint32)(bbox.y0 - 1.0F); + shape->approx_bbox.x1 = (gint32)(bbox.x1 + 1.9999F); + shape->approx_bbox.y1 = (gint32)(bbox.y1 + 1.9999F); + } + + if (nr_rect_d_test_empty (&bbox)) return NR_ARENA_ITEM_STATE_ALL; + + item->bbox.x0 = (gint32)(bbox.x0 - 1.0F); + item->bbox.y0 = (gint32)(bbox.y0 - 1.0F); + item->bbox.x1 = (gint32)(bbox.x1 + 1.0F); + item->bbox.y1 = (gint32)(bbox.y1 + 1.0F); + nr_arena_request_render_rect (item->arena, &item->bbox); + + item->render_opacity = TRUE; + if ( shape->_fill.paint.type() == NRArenaShape::Paint::SERVER ) { + if (gc && gc->parent) { + shape->fill_painter = sp_paint_server_painter_new (shape->_fill.paint.server(), + NR::Matrix (&gc->transform), NR::Matrix (&gc->parent->transform), + &shape->paintbox); + } + item->render_opacity = FALSE; + } + if ( shape->_stroke.paint.type() == NRArenaShape::Paint::SERVER ) { + if (gc && gc->parent) { + shape->stroke_painter = sp_paint_server_painter_new (shape->_stroke.paint.server(), + NR::Matrix (&gc->transform), NR::Matrix (&gc->parent->transform), + &shape->paintbox); + } + item->render_opacity = FALSE; + } + if ( item->render_opacity == TRUE && + shape->_fill.paint.type() != NRArenaShape::Paint::NONE && + shape->_stroke.paint.type() != NRArenaShape::Paint::NONE ) + { + // don't merge item opacity with paint opacity if there is a stroke on the fill + item->render_opacity = FALSE; + } + + if (beststate & NR_ARENA_ITEM_STATE_BBOX) { + for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) { + nr_rect_l_union (&item->bbox, &item->bbox, &child->bbox); + } + } + + return NR_ARENA_ITEM_STATE_ALL; +} + +int matrix_is_isometry(NR::Matrix p) { + NR::Matrix tp; + // transposition + tp[0]=p[0]; + tp[1]=p[2]; + tp[2]=p[1]; + tp[3]=p[3]; + for(int i = 4; i < 6; i++) // shut valgrind up :) + tp[i] = p[i] = 0; + NR::Matrix isom = tp*p; // A^T * A = adjunct? + // Is the adjunct nearly an identity function? + if (isom.is_translation(0.01)) { + // the transformation is an isometry -> no need to recompute + // the uncrossed polygon + if ( p.det() < 0 ) + return -1; + else + return 1; + } + return 0; +} + +void +nr_arena_shape_update_fill(NRArenaShape *shape,NRGC *gc) +{ + shape->delayed_shp = false; + if ((shape->_fill.paint.type() != NRArenaShape::Paint::NONE) && + ((shape->curve->end > 2) || (shape->curve->bpath[1].code == NR_CURVETO)) ) { + if (TRUE || !shape->fill_shp) { + NR::Matrix cached_to_new; + int isometry = 0; + if ( shape->cached_fill ) { + cached_to_new = shape->cached_fctm.inverse()*gc->transform; + isometry = matrix_is_isometry(cached_to_new); + } + if ( isometry == 0 ) { + if ( shape->cached_fill == NULL ) shape->cached_fill=new Shape; + shape->cached_fill->Reset(); + + Path* thePath=new Path; + Shape* theShape=new Shape; + { + NR::Matrix tempMat(gc->transform); + thePath->LoadArtBPath(shape->curve->bpath,tempMat,true); + } + + thePath->Convert(1.0); + + thePath->Fill(theShape, 0); + + if ( shape->_fill.rule == NRArenaShape::EVEN_ODD ) { + shape->cached_fill->ConvertToShape(theShape, fill_oddEven); + // alternatively, this speeds up rendering of oddeven shapes but disables AA :( + //shape->cached_fill->Copy(theShape); + } else { + shape->cached_fill->ConvertToShape(theShape, fill_nonZero); + } + shape->cached_fctm=gc->transform; + delete theShape; + delete thePath; + if ( shape->fill_shp == NULL ) + shape->fill_shp = new Shape; + + shape->fill_shp->Copy(shape->cached_fill); + + } else { + + if ( shape->fill_shp == NULL ) + shape->fill_shp=new Shape; + shape->fill_shp->Reset(shape->cached_fill->numberOfPoints(), + shape->cached_fill->numberOfEdges()); + for (int i = 0; i < shape->cached_fill->numberOfPoints(); i++) + shape->fill_shp->AddPoint(shape->cached_fill->getPoint(i).x * cached_to_new); + if ( isometry == 1 ) { + for (int i = 0; i < shape->cached_fill->numberOfEdges(); i++) + shape->fill_shp->AddEdge(shape->cached_fill->getEdge(i).st, + shape->cached_fill->getEdge(i).en); + } else if ( isometry == -1 ) { // need to flip poly. + for (int i = 0; i < shape->cached_fill->numberOfEdges(); i++) + shape->fill_shp->AddEdge(shape->cached_fill->getEdge(i).en, + shape->cached_fill->getEdge(i).st); + } + shape->fill_shp->ForceToPolygon(); + shape->fill_shp->needPointsSorting(); + shape->fill_shp->needEdgesSorting(); + } + } + } +} + +void +nr_arena_shape_update_stroke(NRArenaShape *shape,NRGC* gc) +{ + SPStyle* style = shape->style; + + shape->delayed_shp = false; + + const float scale = NR_MATRIX_DF_EXPANSION (&gc->transform); + + if (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE || + ((shape->_stroke.paint.type() != NRArenaShape::Paint::NONE) && + ( fabs(shape->_stroke.width * scale) > 0.01 ))) { // sinon c'est 0=oon veut pas de bord + + float width = MAX (0.125, shape->_stroke.width * scale); + if (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE) + width = 0.5; // 1 pixel wide, independent of zoom + + NR::Matrix cached_to_new; + + int isometry = 0; + if ( shape->cached_stroke ) { + cached_to_new = shape->cached_sctm.inverse() * gc->transform; + isometry = matrix_is_isometry(cached_to_new); + } + + if ( isometry == 0 ) { + if ( shape->cached_stroke == NULL ) shape->cached_stroke=new Shape; + shape->cached_stroke->Reset(); + Path* thePath = new Path; + Shape* theShape = new Shape; + { + NR::Matrix tempMat(gc->transform); + thePath->LoadArtBPath(shape->curve->bpath, tempMat, true); + } + + if (NR_ARENA_ITEM(shape)->arena->rendermode != RENDERMODE_OUTLINE) + thePath->Convert(1.0); + else + thePath->Convert(4.0); // slightly rougher & faster + + if (style->stroke_dash.n_dash && NR_ARENA_ITEM(shape)->arena->rendermode != RENDERMODE_OUTLINE) { + double dlen = 0.0; + for (int i = 0; i < style->stroke_dash.n_dash; i++) { + dlen += style->stroke_dash.dash[i] * scale; + } + if (dlen >= 1.0) { + NRVpathDash dash; + dash.offset = style->stroke_dash.offset * scale; + dash.n_dash = style->stroke_dash.n_dash; + dash.dash = g_new (double, dash.n_dash); + for (int i = 0; i < dash.n_dash; i++) { + dash.dash[i] = style->stroke_dash.dash[i] * scale; + } + int nbD=dash.n_dash; + float *dashs=(float*)malloc((nbD+1)*sizeof(float)); + while ( dash.offset >= dlen ) dash.offset-=dlen; + dashs[0]=dash.dash[0]; + for (int i=1; iDashPolyline(0.0,0.0,dlen,nbD,dashs,true,dash.offset); + free(dashs); + g_free (dash.dash); + } + } + ButtType butt=butt_straight; + switch(shape->_stroke.cap) { + case NRArenaShape::BUTT_CAP: + butt = butt_straight; + break; + case NRArenaShape::ROUND_CAP: + butt = butt_round; + break; + case NRArenaShape::SQUARE_CAP: + butt = butt_square; + break; + } + JoinType join=join_straight; + switch(shape->_stroke.join) { + case NRArenaShape::MITRE_JOIN: + join = join_pointy; + break; + case NRArenaShape::ROUND_JOIN: + join = join_round; + break; + case NRArenaShape::BEVEL_JOIN: + join = join_straight; + break; + } + + if (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE) { + butt = butt_straight; + join = join_straight; + } + + thePath->Stroke(theShape, false, 0.5*width, join, butt, + 0.5*width*shape->_stroke.mitre_limit); + + + if (NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE) { + // speeds it up, but uses evenodd for the stroke shape (which does not matter for 1-pixel wide outline) + shape->cached_stroke->Copy(theShape); + } else { + shape->cached_stroke->ConvertToShape(theShape, fill_nonZero); + } + + shape->cached_sctm=gc->transform; + delete thePath; + delete theShape; + if ( shape->stroke_shp == NULL ) shape->stroke_shp=new Shape; + + shape->stroke_shp->Copy(shape->cached_stroke); + + } else { + + if ( shape->stroke_shp == NULL ) + shape->stroke_shp=new Shape; + shape->stroke_shp->Reset(shape->cached_stroke->numberOfPoints(), shape->cached_stroke->numberOfEdges()); + for (int i = 0; i < shape->cached_stroke->numberOfPoints(); i++) + shape->stroke_shp->AddPoint(shape->cached_stroke->getPoint(i).x * cached_to_new); + if ( isometry == 1 ) { + for (int i = 0; i < shape->cached_stroke->numberOfEdges(); i++) + shape->stroke_shp->AddEdge(shape->cached_stroke->getEdge(i).st, + shape->cached_stroke->getEdge(i).en); + } else if ( isometry == -1 ) { + for (int i = 0; i < shape->cached_stroke->numberOfEdges(); i++) + shape->stroke_shp->AddEdge(shape->cached_stroke->getEdge(i).en, + shape->cached_stroke->getEdge(i).st); + } + shape->stroke_shp->ForceToPolygon(); + shape->stroke_shp->needPointsSorting(); + shape->stroke_shp->needEdgesSorting(); + } + } +} + + +void +nr_arena_shape_add_bboxes(NRArenaShape* shape, NRRect &bbox) +{ + if ( shape->stroke_shp ) { + shape->stroke_shp->CalcBBox(); + shape->stroke_shp->leftX=floor(shape->stroke_shp->leftX); + shape->stroke_shp->rightX=ceil(shape->stroke_shp->rightX); + shape->stroke_shp->topY=floor(shape->stroke_shp->topY); + shape->stroke_shp->bottomY=ceil(shape->stroke_shp->bottomY); + if ( bbox.x0 >= bbox.x1 ) { + if ( shape->stroke_shp->leftX < shape->stroke_shp->rightX ) { + bbox.x0=shape->stroke_shp->leftX; + bbox.x1=shape->stroke_shp->rightX; + } + } else { + if ( shape->stroke_shp->leftX < bbox.x0 ) + bbox.x0=shape->stroke_shp->leftX; + if ( shape->stroke_shp->rightX > bbox.x1 ) + bbox.x1=shape->stroke_shp->rightX; + } + if ( bbox.y0 >= bbox.y1 ) { + if ( shape->stroke_shp->topY < shape->stroke_shp->bottomY ) { + bbox.y0=shape->stroke_shp->topY; + bbox.y1=shape->stroke_shp->bottomY; + } + } else { + if ( shape->stroke_shp->topY < bbox.y0 ) + bbox.y0=shape->stroke_shp->topY; + if ( shape->stroke_shp->bottomY > bbox.y1 ) + bbox.y1=shape->stroke_shp->bottomY; + } + } + if ( shape->fill_shp ) { + shape->fill_shp->CalcBBox(); + shape->fill_shp->leftX=floor(shape->fill_shp->leftX); + shape->fill_shp->rightX=ceil(shape->fill_shp->rightX); + shape->fill_shp->topY=floor(shape->fill_shp->topY); + shape->fill_shp->bottomY=ceil(shape->fill_shp->bottomY); + if ( bbox.x0 >= bbox.x1 ) { + if ( shape->fill_shp->leftX < shape->fill_shp->rightX ) { + bbox.x0=shape->fill_shp->leftX; + bbox.x1=shape->fill_shp->rightX; + } + } else { + if ( shape->fill_shp->leftX < bbox.x0 ) bbox.x0=shape->fill_shp->leftX; + if ( shape->fill_shp->rightX > bbox.x1 ) bbox.x1=shape->fill_shp->rightX; + } + if ( bbox.y0 >= bbox.y1 ) { + if ( shape->fill_shp->topY < shape->fill_shp->bottomY ) { + bbox.y0=shape->fill_shp->topY; + bbox.y1=shape->fill_shp->bottomY; + } + } else { + if ( shape->fill_shp->topY < bbox.y0 ) bbox.y0=shape->fill_shp->topY; + if ( shape->fill_shp->bottomY > bbox.y1 ) bbox.y1=shape->fill_shp->bottomY; + } + } +} +static unsigned int +nr_arena_shape_render (NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags) +{ + NRArenaShape *shape = NR_ARENA_SHAPE (item); + + if (!shape->curve) return item->state; + if (!shape->style) return item->state; + + if ( shape->delayed_shp ) { + if ( nr_rect_l_test_intersect (area, &item->bbox) ) { + NRGC tempGC(NULL); + tempGC.transform=shape->ctm; + nr_arena_shape_update_stroke(shape,&tempGC); + nr_arena_shape_update_fill(shape,&tempGC); +/* NRRect bbox; + bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0; + nr_arena_shape_add_bboxes(shape,bbox); + item->bbox.x0 = (gint32)(bbox.x0 - 1.0F); + item->bbox.y0 = (gint32)(bbox.y0 - 1.0F); + item->bbox.x1 = (gint32)(bbox.x1 + 1.0F); + item->bbox.y1 = (gint32)(bbox.y1 + 1.0F); + shape->approx_bbox=item->bbox;*/ + } + } + + SPStyle const *style = shape->style; + if ( shape->fill_shp && NR_ARENA_ITEM(shape)->arena->rendermode != RENDERMODE_OUTLINE) { + NRPixBlock m; + guint32 rgba; + + nr_pixblock_setup_fast (&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE); + nr_pixblock_render_shape_mask_or (m,shape->fill_shp); + m.empty = FALSE; + + if (shape->_fill.paint.type() == NRArenaShape::Paint::NONE) { + // do not render fill in any way + } else if (shape->_fill.paint.type() == NRArenaShape::Paint::COLOR) { + if ( item->render_opacity ) { + rgba = sp_color_get_rgba32_falpha (&shape->_fill.paint.color(), + shape->_fill.opacity * + SP_SCALE24_TO_FLOAT (style->opacity.value)); + } else { + rgba = sp_color_get_rgba32_falpha (&shape->_fill.paint.color(), + shape->_fill.opacity); + } + nr_blit_pixblock_mask_rgba32 (pb, &m, rgba); + pb->empty = FALSE; + } else if (shape->_fill.paint.type() == NRArenaShape::Paint::SERVER) { + if (shape->fill_painter) { + nr_arena_render_paintserver_fill (pb, area, shape->fill_painter, shape->_fill.opacity, &m); + } + } + + nr_pixblock_release (&m); + } + + if ( shape->stroke_shp ) { + NRPixBlock m; + guint32 rgba; + + nr_pixblock_setup_fast (&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE); + nr_pixblock_render_shape_mask_or (m, shape->stroke_shp); + m.empty = FALSE; + + if (shape->_stroke.paint.type() == NRArenaShape::Paint::COLOR || + NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE) { + if ( NR_ARENA_ITEM(shape)->arena->rendermode == RENDERMODE_OUTLINE) { + rgba = NR_ARENA_ITEM(shape)->arena->outlinecolor; + } else if ( item->render_opacity ) { + rgba = sp_color_get_rgba32_falpha (&shape->_stroke.paint.color(), + shape->_stroke.opacity * + SP_SCALE24_TO_FLOAT (style->opacity.value)); + } else { + rgba = sp_color_get_rgba32_falpha (&shape->_stroke.paint.color(), + shape->_stroke.opacity); + } + nr_blit_pixblock_mask_rgba32 (pb, &m, rgba); + pb->empty = FALSE; + } else if (shape->_stroke.paint.type() == NRArenaShape::Paint::SERVER) { + if (shape->stroke_painter) { + nr_arena_render_paintserver_fill (pb, area, shape->stroke_painter, shape->_stroke.opacity, &m); + } + } + + nr_pixblock_release (&m); + } + + /* Just compose children into parent buffer */ + for (NRArenaItem *child = shape->markers; child != NULL; child = child->next) { + unsigned int ret; + ret = nr_arena_item_invoke_render (child, area, pb, flags); + if (ret & NR_ARENA_ITEM_STATE_INVALID) return ret; + } + + return item->state; +} + +static guint +nr_arena_shape_clip (NRArenaItem *item, NRRectL *area, NRPixBlock *pb) +{ + NRArenaShape *shape = NR_ARENA_SHAPE (item); + + if (!shape->curve) return item->state; + + if ( shape->delayed_shp ) { + if ( nr_rect_l_test_intersect (area, &item->bbox) ) { + NRGC tempGC(NULL); + tempGC.transform=shape->ctm; + nr_arena_shape_update_stroke(shape,&tempGC); + nr_arena_shape_update_fill(shape,&tempGC); + /* NRRect bbox; + bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0; + nr_arena_shape_add_bboxes(shape,bbox); + item->bbox.x0 = (gint32)(bbox.x0 - 1.0F); + item->bbox.y0 = (gint32)(bbox.y0 - 1.0F); + item->bbox.x1 = (gint32)(bbox.x1 + 1.0F); + item->bbox.y1 = (gint32)(bbox.y1 + 1.0F); + shape->approx_bbox=item->bbox;*/ + } + } + + if ( shape->fill_shp ) { + NRPixBlock m; + + /* fixme: We can OR in one step (Lauris) */ + nr_pixblock_setup_fast (&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE); + nr_pixblock_render_shape_mask_or (m,shape->fill_shp); + + for (int y = area->y0; y < area->y1; y++) { + unsigned char *s, *d; + s = NR_PIXBLOCK_PX (&m) + (y - area->y0) * m.rs; + d = NR_PIXBLOCK_PX (pb) + (y - area->y0) * pb->rs; + for (int x = area->x0; x < area->x1; x++) { + *d = NR_A7_NORMALIZED(*s,*d); + d ++; + s ++; + } + } + nr_pixblock_release (&m); + pb->empty = FALSE; + } + + return item->state; +} + +static NRArenaItem * +nr_arena_shape_pick (NRArenaItem *item, NR::Point p, double delta, unsigned int /*sticky*/) +{ + NRArenaShape *shape = NR_ARENA_SHAPE (item); + + if (!shape->curve) return NULL; + if (!shape->style) return NULL; + if ( shape->delayed_shp ) { + NRRectL area; + area.x0=(int)floor(p[NR::X]); + area.x1=(int)ceil(p[NR::X]); + area.y0=(int)floor(p[NR::Y]); + area.y1=(int)ceil(p[NR::Y]); + int idelta = (int)ceil(delta) + 1; + // njh: inset rect + area.x0-=idelta; + area.x1+=idelta; + area.y0-=idelta; + area.y1+=idelta; + if ( nr_rect_l_test_intersect (&area, &item->bbox) ) { + NRGC tempGC(NULL); + tempGC.transform=shape->ctm; + nr_arena_shape_update_stroke(shape,&tempGC); + nr_arena_shape_update_fill(shape,&tempGC); + /* NRRect bbox; + bbox.x0 = bbox.y0 = bbox.x1 = bbox.y1 = 0.0; + nr_arena_shape_add_bboxes(shape,bbox); + item->bbox.x0 = (gint32)(bbox.x0 - 1.0F); + item->bbox.y0 = (gint32)(bbox.y0 - 1.0F); + item->bbox.x1 = (gint32)(bbox.x1 + 1.0F); + item->bbox.y1 = (gint32)(bbox.y1 + 1.0F); + shape->approx_bbox=item->bbox;*/ + } + } + + if (item->state & NR_ARENA_ITEM_STATE_RENDER) { + if (shape->fill_shp && (shape->_fill.paint.type() != NRArenaShape::Paint::NONE)) { + if (shape->fill_shp->PtWinding(p) > 0 ) return item; + } + if (shape->stroke_shp && (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE)) { + if (shape->stroke_shp->PtWinding(p) > 0 ) return item; + } + if (delta > 1e-3) { + if (shape->fill_shp && (shape->_fill.paint.type() != NRArenaShape::Paint::NONE)) { + if (distanceLessThanOrEqual(shape->fill_shp, p, delta)) return item; + } + if (shape->stroke_shp && (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE)) { + if (distanceLessThanOrEqual(shape->stroke_shp, p, delta)) return item; + } + } + } else { + NRBPath bp; + bp.path = shape->curve->bpath; + double dist = NR_HUGE; + int wind = 0; + nr_path_matrix_point_bbox_wind_distance(&bp, shape->ctm, p, NULL, &wind, &dist, NR_EPSILON); + if (shape->_fill.paint.type() != NRArenaShape::Paint::NONE) { + if (!shape->style->fill_rule.computed) { + if (wind != 0) return item; + } else { + if (wind & 0x1) return item; + } + } + if (shape->_stroke.paint.type() != NRArenaShape::Paint::NONE) { + /* fixme: We do not take stroke width into account here (Lauris) */ + if (dist < delta) return item; + } + } + + return NULL; +} + +/** + * + * Requests a render of the shape, then if the shape is already a curve it + * unrefs the old curve; if the new curve is valid it creates a copy of the + * curve and adds it to the shape. Finally, it requests an update of the + * arena for the shape. + */ +void nr_arena_shape_set_path(NRArenaShape *shape, SPCurve *curve,bool justTrans) +{ + g_return_if_fail (shape != NULL); + g_return_if_fail (NR_IS_ARENA_SHAPE (shape)); + + if ( justTrans == false ) { + // dirty cached versions + if ( shape->cached_fill ) { + delete shape->cached_fill; + shape->cached_fill=NULL; + } + if ( shape->cached_stroke ) { + delete shape->cached_stroke; + shape->cached_stroke=NULL; + } + } + + nr_arena_item_request_render (NR_ARENA_ITEM (shape)); + + if (shape->curve) { + sp_curve_unref (shape->curve); + shape->curve = NULL; + } + + if (curve) { + shape->curve = curve; + sp_curve_ref (curve); + } + + nr_arena_item_request_update (NR_ARENA_ITEM (shape), NR_ARENA_ITEM_STATE_ALL, FALSE); +} + +void NRArenaShape::setFill(SPPaintServer *server) { + _fill.paint.set(server); + _invalidateCachedFill(); +} + +void NRArenaShape::setFill(SPColor const &color) { + _fill.paint.set(color); + _invalidateCachedFill(); +} + +void NRArenaShape::setFillOpacity(double opacity) { + _fill.opacity = opacity; + _invalidateCachedFill(); +} + +void NRArenaShape::setFillRule(NRArenaShape::FillRule rule) { + _fill.rule = rule; + _invalidateCachedFill(); +} + +void NRArenaShape::setStroke(SPPaintServer *server) { + _stroke.paint.set(server); + _invalidateCachedStroke(); +} + +void NRArenaShape::setStroke(SPColor const &color) { + _stroke.paint.set(color); + _invalidateCachedStroke(); +} + +void NRArenaShape::setStrokeOpacity(double opacity) { + _stroke.opacity = opacity; + _invalidateCachedStroke(); +} + +void NRArenaShape::setStrokeWidth(double width) { + _stroke.width = width; + _invalidateCachedStroke(); +} + +void NRArenaShape::setMitreLimit(double limit) { + _stroke.mitre_limit = limit; + _invalidateCachedStroke(); +} + +void NRArenaShape::setLineCap(NRArenaShape::CapType cap) { + _stroke.cap = cap; + _invalidateCachedStroke(); +} + +void NRArenaShape::setLineJoin(NRArenaShape::JoinType join) { + _stroke.join = join; + _invalidateCachedStroke(); +} + +/** nr_arena_shape_set_style + * + * Unrefs any existing style and ref's to the given one, then requests an update of the arena + */ +void +nr_arena_shape_set_style (NRArenaShape *shape, SPStyle *style) +{ + g_return_if_fail (shape != NULL); + g_return_if_fail (NR_IS_ARENA_SHAPE (shape)); + + if (style) sp_style_ref (style); + if (shape->style) sp_style_unref (shape->style); + shape->style = style; + + switch (style->fill.type) { + case SP_PAINT_TYPE_NONE: { + shape->setFill(NULL); + break; + } + case SP_PAINT_TYPE_COLOR: { + shape->setFill(style->fill.value.color); + break; + } + case SP_PAINT_TYPE_PAINTSERVER: { + shape->setFill(style->fill.value.paint.server); + break; + } + default: { + g_assert_not_reached(); + } + } + shape->setFillOpacity(SP_SCALE24_TO_FLOAT(style->fill_opacity.value)); + switch (style->fill_rule.computed) { + case SP_WIND_RULE_EVENODD: { + shape->setFillRule(NRArenaShape::EVEN_ODD); + break; + } + case SP_WIND_RULE_NONZERO: { + shape->setFillRule(NRArenaShape::NONZERO); + break; + } + default: { + g_assert_not_reached(); + } + } + + switch (style->stroke.type) { + case SP_PAINT_TYPE_NONE: { + shape->setStroke(NULL); + break; + } + case SP_PAINT_TYPE_COLOR: { + shape->setStroke(style->stroke.value.color); + break; + } + case SP_PAINT_TYPE_PAINTSERVER: { + shape->setStroke(style->stroke.value.paint.server); + break; + } + default: { + g_assert_not_reached(); + } + } + shape->setStrokeWidth(style->stroke_width.computed); + shape->setStrokeOpacity(SP_SCALE24_TO_FLOAT(style->stroke_opacity.value)); + switch (style->stroke_linecap.computed) { + case SP_STROKE_LINECAP_ROUND: { + shape->setLineCap(NRArenaShape::ROUND_CAP); + break; + } + case SP_STROKE_LINECAP_SQUARE: { + shape->setLineCap(NRArenaShape::SQUARE_CAP); + break; + } + case SP_STROKE_LINECAP_BUTT: { + shape->setLineCap(NRArenaShape::BUTT_CAP); + break; + } + default: { + g_assert_not_reached(); + } + } + switch (style->stroke_linejoin.computed) { + case SP_STROKE_LINEJOIN_ROUND: { + shape->setLineJoin(NRArenaShape::ROUND_JOIN); + break; + } + case SP_STROKE_LINEJOIN_BEVEL: { + shape->setLineJoin(NRArenaShape::BEVEL_JOIN); + break; + } + case SP_STROKE_LINEJOIN_MITER: { + shape->setLineJoin(NRArenaShape::MITRE_JOIN); + break; + } + default: { + g_assert_not_reached(); + } + } + shape->setMitreLimit(style->stroke_miterlimit.value); + + nr_arena_item_request_update(shape, NR_ARENA_ITEM_STATE_ALL, FALSE); +} + +void +nr_arena_shape_set_paintbox (NRArenaShape *shape, const NRRect *pbox) +{ + g_return_if_fail (shape != NULL); + g_return_if_fail (NR_IS_ARENA_SHAPE (shape)); + g_return_if_fail (pbox != NULL); + + if ((pbox->x0 < pbox->x1) && (pbox->y0 < pbox->y1)) { + shape->paintbox = *pbox; + } else { + /* fixme: We kill warning, although not sure what to do here (Lauris) */ + shape->paintbox.x0 = shape->paintbox.y0 = 0.0F; + shape->paintbox.x1 = shape->paintbox.y1 = 256.0F; + } + + nr_arena_item_request_update(shape, NR_ARENA_ITEM_STATE_ALL, FALSE); +} + +void NRArenaShape::setPaintBox(NR::Rect const &pbox) +{ + paintbox.x0 = pbox.min()[NR::X]; + paintbox.y0 = pbox.min()[NR::Y]; + paintbox.x1 = pbox.max()[NR::X]; + paintbox.y1 = pbox.max()[NR::Y]; + + nr_arena_item_request_update(this, NR_ARENA_ITEM_STATE_ALL, FALSE); +} + +static void +shape_run_A8_OR (raster_info &dest,void */*data*/,int st,float vst,int en,float ven) +{ + if ( st >= en ) return; + if ( vst < 0 ) vst=0; + if ( vst > 1 ) vst=1; + if ( ven < 0 ) ven=0; + if ( ven > 1 ) ven=1; + float sv=vst; + float dv=ven-vst; + int len=en-st; + unsigned char* d=(unsigned char*)dest.buffer; + d+=(st-dest.startPix); + if ( fabs(dv) < 0.001 ) { + if ( vst > 0.999 ) { + /* Simple copy */ + while (len > 0) { + d[0] = 255; + d += 1; + len -= 1; + } + } else { + sv*=256; + unsigned int c0_24=(int)sv; + c0_24&=0xFF; + while (len > 0) { + unsigned int da; + /* Draw */ + da = NR_A7(c0_24,d[0]); + d[0] = NR_PREMUL_SINGLE(da); + d += 1; + len -= 1; + } + } + } else { + if ( en <= st+1 ) { + sv=0.5*(vst+ven); + sv*=256; + unsigned int c0_24=(int)sv; + c0_24&=0xFF; + unsigned int da; + /* Draw */ + da = NR_A7(c0_24,d[0]); + d[0] = NR_PREMUL_SINGLE(da); + } else { + dv/=len; + sv+=0.5*dv; // correction trapezoidale + sv*=16777216; + dv*=16777216; + int c0_24 = static_cast(CLAMP(sv, 0, 16777216)); + int s0_24 = static_cast(dv); + while (len > 0) { + unsigned int ca, da; + /* Draw */ + ca = c0_24 >> 16; + if ( ca > 255 ) ca=255; + da = NR_A7(ca,d[0]); + d[0] = NR_PREMUL_SINGLE(da); + d += 1; + c0_24 += s0_24; + c0_24 = CLAMP (c0_24, 0, 16777216); + len -= 1; + } + } + } +} + +void nr_pixblock_render_shape_mask_or (NRPixBlock &m,Shape* theS) +{ + + theS->CalcBBox(); + float l=theS->leftX,r=theS->rightX,t=theS->topY,b=theS->bottomY; + int il,ir,it,ib; + il=(int)floor(l); + ir=(int)ceil(r); + it=(int)floor(t); + ib=(int)ceil(b); + + if ( il >= m.area.x1 || ir <= m.area.x0 || it >= m.area.y1 || ib <= m.area.y0 ) return; + if ( il < m.area.x0 ) il=m.area.x0; + if ( it < m.area.y0 ) it=m.area.y0; + if ( ir > m.area.x1 ) ir=m.area.x1; + if ( ib > m.area.y1 ) ib=m.area.y1; + + // version par FloatLigne + int curPt; + float curY; + theS->BeginQuickRaster(curY, curPt); + + FloatLigne* theI=new FloatLigne(); + IntLigne* theIL=new IntLigne(); + + theS->DirectQuickScan(curY,curPt,(float)(it),true,1.0); + + char* mdata=(char*)m.data.px; + if ( m.size == NR_PIXBLOCK_SIZE_TINY ) mdata=(char*)m.data.p; + uint32_t* ligStart=((uint32_t*)(mdata+((il-m.area.x0)+m.rs*(it-m.area.y0)))); + for (int y=it;yReset(); + theS->QuickScan(curY,curPt,((float)(y+1)),theI,1.0); + theI->Flatten(); + theIL->Copy(theI); + + raster_info dest; + dest.startPix=il; + dest.endPix=ir; + dest.sth=il; + dest.stv=y; + dest.buffer=ligStart; + theIL->Raster(dest,NULL,shape_run_A8_OR); + ligStart=((uint32_t*)(((char*)ligStart)+m.rs)); + } + theS->EndQuickRaster(); + delete theI; + delete theIL; + + /* // version par BitLigne + int curPt; + float curY; + theS->BeginRaster(curY,curPt,1.0); + + BitLigne* theI[4]; + for (int i=0;i<4;i++) theI[i]=new BitLigne(il,ir); + IntLigne* theIL=new IntLigne(); + + theS->Scan(curY,curPt,(float)(it),0.25); + + char* mdata=(char*)m.data.px; + if ( m.size == NR_PIXBLOCK_SIZE_TINY ) mdata=(char*)m.data.p; + uint32_t* ligStart=((uint32_t*)(mdata+((il-m.area.x0)+m.rs*(it-m.area.y0)))); + for (int y=it;yReset(); + if ( y&0x00000003 ) { + theS->Scan(curY,curPt,((float)(y+0.25)),fill_oddEven,theI[0],false,0.25); + theS->Scan(curY,curPt,((float)(y+0.5)),fill_oddEven,theI[1],false,0.25); + theS->Scan(curY,curPt,((float)(y+0.75)),fill_oddEven,theI[2],false,0.25); + theS->Scan(curY,curPt,((float)(y+1.0)),fill_oddEven,theI[3],false,0.25); + } else { + theS->Scan(curY,curPt,((float)(y+0.25)),fill_oddEven,theI[0],true,0.25); + theS->Scan(curY,curPt,((float)(y+0.5)),fill_oddEven,theI[1],true,0.25); + theS->Scan(curY,curPt,((float)(y+0.75)),fill_oddEven,theI[2],true,0.25); + theS->Scan(curY,curPt,((float)(y+1.0)),fill_oddEven,theI[3],true,0.25); + } + theIL->Copy(4,theI); + + raster_info dest; + dest.startPix=il; + dest.endPix=ir; + dest.sth=il; + dest.stv=y; + dest.buffer=ligStart; + theIL->Raster(dest,NULL,shape_run_A8_OR); + ligStart=((uint32_t*)(((char*)ligStart)+m.rs)); + } + theS->EndRaster(); + for (int i=0;i<4;i++) delete theI[i]; + delete theIL;*/ + +/* // version par BitLigne directe + int curPt; + float curY; + theS->BeginQuickRaster(curY,curPt,1.0); + + BitLigne* theI[4]; + for (int i=0;i<4;i++) theI[i]=new BitLigne(il,ir); + IntLigne* theIL=new IntLigne(); + + theS->DirectQuickScan(curY,curPt,(float)(it),true,0.25); + + char* mdata=(char*)m.data.px; + if ( m.size == NR_PIXBLOCK_SIZE_TINY ) mdata=(char*)m.data.p; + uint32_t* ligStart=((uint32_t*)(mdata+((il-m.area.x0)+m.rs*(it-m.area.y0)))); + for (int y=it;yReset(); + if ( y&0x00000003 ) { + theS->QuickScan(curY,curPt,((float)(y+0.25)),fill_oddEven,theI[0],false,0.25); + theS->QuickScan(curY,curPt,((float)(y+0.5)),fill_oddEven,theI[1],false,0.25); + theS->QuickScan(curY,curPt,((float)(y+0.75)),fill_oddEven,theI[2],false,0.25); + theS->QuickScan(curY,curPt,((float)(y+1.0)),fill_oddEven,theI[3],false,0.25); + } else { + theS->QuickScan(curY,curPt,((float)(y+0.25)),fill_oddEven,theI[0],true,0.25); + theS->QuickScan(curY,curPt,((float)(y+0.5)),fill_oddEven,theI[1],true,0.25); + theS->QuickScan(curY,curPt,((float)(y+0.75)),fill_oddEven,theI[2],true,0.25); + theS->QuickScan(curY,curPt,((float)(y+1.0)),fill_oddEven,theI[3],true,0.25); + } + theIL->Copy(4,theI); + + raster_info dest; + dest.startPix=il; + dest.endPix=ir; + dest.sth=il; + dest.stv=y; + dest.buffer=ligStart; + theIL->Raster(dest,NULL,shape_run_A8_OR); + ligStart=((uint32_t*)(((char*)ligStart)+m.rs)); + } + theS->EndQuickRaster(); + for (int i=0;i<4;i++) delete theI[i]; + delete theIL;*/ +} + + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 : -- cgit v1.2.3