From 41e827f33b58d59f16117bf43ff1288ff38022f5 Mon Sep 17 00:00:00 2001 From: buliabyak Date: Tue, 24 Jun 2008 02:32:23 +0000 Subject: [PATCH] delivarotify, render with cairo, use nr_path functions for bbox and distance --- src/display/canvas-bpath.cpp | 358 +++++++---------------------------- src/display/canvas-bpath.h | 1 + 2 files changed, 68 insertions(+), 291 deletions(-) diff --git a/src/display/canvas-bpath.cpp b/src/display/canvas-bpath.cpp index 76ef54e76..714538d1b 100644 --- a/src/display/canvas-bpath.cpp +++ b/src/display/canvas-bpath.cpp @@ -15,16 +15,17 @@ #ifdef HAVE_CONFIG_H # include "config.h" #endif +#include "color.h" #include "sp-canvas-util.h" +#include "inkscape-cairo.h" #include "canvas-bpath.h" #include "display/display-forward.h" #include "display/curve.h" -#include -#include -#include -#include +#include "display/inkscape-cairo.h" +#include "libnr/nr-matrix-fns.h" #include #include +#include void nr_pixblock_render_bpath_rgba (Shape* theS,uint32_t color,NRRectL &area,char* destBuf,int stride); @@ -77,7 +78,7 @@ sp_canvas_bpath_class_init (SPCanvasBPathClass *klass) static void sp_canvas_bpath_init (SPCanvasBPath * bpath) { - bpath->fill_rgba = 0x000000ff; + bpath->fill_rgba = 0x00000000; bpath->fill_rule = SP_WIND_RULE_EVENODD; bpath->stroke_rgba = 0x00000000; @@ -85,24 +86,13 @@ sp_canvas_bpath_init (SPCanvasBPath * bpath) bpath->stroke_linejoin = SP_STROKE_LINEJOIN_MITER; bpath->stroke_linecap = SP_STROKE_LINECAP_BUTT; bpath->stroke_miterlimit = 11.0; - - bpath->fill_shp=NULL; - bpath->stroke_shp=NULL; } static void sp_canvas_bpath_destroy (GtkObject *object) { SPCanvasBPath *cbp = SP_CANVAS_BPATH (object); - if (cbp->fill_shp) { - delete cbp->fill_shp; - cbp->fill_shp = NULL; - } - if (cbp->stroke_shp) { - delete cbp->stroke_shp; - cbp->stroke_shp = NULL; - } if (cbp->curve) { cbp->curve = cbp->curve->unref(); } @@ -123,86 +113,19 @@ sp_canvas_bpath_update (SPCanvasItem *item, NR::Matrix const &affine, unsigned i sp_canvas_item_reset_bounds (item); - if (cbp->fill_shp) { - delete cbp->fill_shp; - cbp->fill_shp = NULL; - } - - if (cbp->stroke_shp) { - delete cbp->stroke_shp; - cbp->stroke_shp = NULL; - } if (!cbp->curve) return; - NRRect dbox; - - dbox.x0 = dbox.y0 = 0.0; - dbox.x1 = dbox.y1 = -1.0; - - if ((cbp->fill_rgba & 0xff) || (cbp->stroke_rgba & 0xff)) { - Path* thePath=new Path; - thePath->LoadPathVector(cbp->curve->get_pathvector(), to_2geom(affine), true); - thePath->Convert(0.25); - if ((cbp->fill_rgba & 0xff) && (cbp->curve->get_length() > 2)) { - Shape* theShape=new Shape; - thePath->Fill(theShape,0); - if ( cbp->fill_shp == NULL ) cbp->fill_shp=new Shape; - if ( cbp->fill_rule == SP_WIND_RULE_EVENODD ) { - cbp->fill_shp->ConvertToShape(theShape,fill_oddEven); - } else { - cbp->fill_shp->ConvertToShape(theShape,fill_nonZero); - } - delete theShape; - cbp->fill_shp->CalcBBox(); - if ( cbp->fill_shp->leftX < cbp->fill_shp->rightX ) { - if ( dbox.x0 >= dbox.x1 ) { - dbox.x0 = cbp->fill_shp->leftX; dbox.x1 = cbp->fill_shp->rightX; - dbox.y0 = cbp->fill_shp->topY; dbox.y1 = cbp->fill_shp->bottomY; - } else { - if ( cbp->fill_shp->leftX < dbox.x0 ) dbox.x0=cbp->fill_shp->leftX; - if ( cbp->fill_shp->rightX > dbox.x1 ) dbox.x1=cbp->fill_shp->rightX; - if ( cbp->fill_shp->topY < dbox.y0 ) dbox.y0=cbp->fill_shp->topY; - if ( cbp->fill_shp->bottomY > dbox.y1 ) dbox.y1=cbp->fill_shp->bottomY; - } - } - } - if ((cbp->stroke_rgba & 0xff) && (cbp->curve->get_length() > 1)) { - JoinType join=join_straight; -// Shape* theShape=new Shape; - ButtType butt=butt_straight; - if ( cbp->stroke_shp == NULL ) cbp->stroke_shp=new Shape; - if ( cbp->stroke_linecap == SP_STROKE_LINECAP_BUTT ) butt=butt_straight; - if ( cbp->stroke_linecap == SP_STROKE_LINECAP_ROUND ) butt=butt_round; - if ( cbp->stroke_linecap == SP_STROKE_LINECAP_SQUARE ) butt=butt_square; - if ( cbp->stroke_linejoin == SP_STROKE_LINEJOIN_MITER ) join=join_pointy; - if ( cbp->stroke_linejoin == SP_STROKE_LINEJOIN_ROUND ) join=join_round; - if ( cbp->stroke_linejoin == SP_STROKE_LINEJOIN_BEVEL ) join=join_straight; - thePath->Stroke(cbp->stroke_shp,false,0.5*cbp->stroke_width, join,butt,cbp->stroke_width*cbp->stroke_miterlimit ); - // thePath->Stroke(theShape,false,0.5*cbp->stroke_width, join,butt,cbp->stroke_width*cbp->stroke_miterlimit ); - // cbp->stroke_shp->ConvertToShape(theShape,fill_nonZero); - - cbp->stroke_shp->CalcBBox(); - if ( cbp->stroke_shp->leftX < cbp->stroke_shp->rightX ) { - if ( dbox.x0 >= dbox.x1 ) { - dbox.x0 = cbp->stroke_shp->leftX;dbox.x1 = cbp->stroke_shp->rightX; - dbox.y0 = cbp->stroke_shp->topY;dbox.y1 = cbp->stroke_shp->bottomY; - } else { - if ( cbp->stroke_shp->leftX < dbox.x0 ) dbox.x0 = cbp->stroke_shp->leftX; - if ( cbp->stroke_shp->rightX > dbox.x1 ) dbox.x1 = cbp->stroke_shp->rightX; - if ( cbp->stroke_shp->topY < dbox.y0 ) dbox.y0 = cbp->stroke_shp->topY; - if ( cbp->stroke_shp->bottomY > dbox.y1 ) dbox.y1 = cbp->stroke_shp->bottomY; - } - } -// delete theShape; - } - delete thePath; - } + cbp->affine = affine; + const_NRBPath bp; + bp.path = cbp->curve->get_bpath(); + NRRect bbox; + nr_path_matrix_bbox_union(&bp, affine, &bbox); - item->x1 = (int)dbox.x0; - item->y1 = (int)dbox.y0; - item->x2 = (int)dbox.x1; - item->y2 = (int)dbox.y1; + item->x1 = (int)bbox.x0 - 1; + item->y1 = (int)bbox.y0 - 1; + item->x2 = (int)bbox.x1 + 1; + item->y2 = (int)bbox.y1 + 1; sp_canvas_request_redraw (item->canvas, (int)item->x1, (int)item->y1, (int)item->x2, (int)item->y2); } @@ -214,43 +137,70 @@ sp_canvas_bpath_render (SPCanvasItem *item, SPCanvasBuf *buf) sp_canvas_prepare_buffer(buf); - NRRectL area; - area.x0=buf->rect.x0; - area.x1=buf->rect.x1; - area.y0=buf->rect.y0; - area.y1=buf->rect.y1; - if ( cbp->fill_shp ) { - nr_pixblock_render_bpath_rgba (cbp->fill_shp,cbp->fill_rgba,area,(char*)buf->buf, buf->buf_rowstride); - } - if ( cbp->stroke_shp ) { - nr_pixblock_render_bpath_rgba (cbp->stroke_shp,cbp->stroke_rgba,area,(char*)buf->buf, buf->buf_rowstride); + NR::Rect area (NR::Point(buf->rect.x0, buf->rect.y0), NR::Point(buf->rect.x1, buf->rect.y1)); + + if ( !cbp->curve || + ((cbp->stroke_rgba & 0xff) == 0 && (cbp->fill_rgba & 0xff) == 0 ) || + cbp->curve->get_length() <= 1) + return; + + if (!buf->ct) + return; + + bool dofill = ((cbp->fill_rgba & 0xff) != 0); + bool dostroke = ((cbp->stroke_rgba & 0xff) != 0); + + cairo_set_tolerance(buf->ct, 1.25); // low quality, but good enough for canvas items + cairo_new_path(buf->ct); + + if (!dofill) + feed_pathvector_to_cairo (buf->ct, cbp->curve->get_pathvector(), to_2geom(cbp->affine), area, true, 1); + else + feed_pathvector_to_cairo (buf->ct, cbp->curve->get_pathvector(), to_2geom(cbp->affine), area, false, 1); + + if (dofill) { + // RGB / BGR + cairo_set_source_rgba(buf->ct, SP_RGBA32_B_F(cbp->fill_rgba), SP_RGBA32_G_F(cbp->fill_rgba), SP_RGBA32_R_F(cbp->fill_rgba), SP_RGBA32_A_F(cbp->fill_rgba)); + cairo_set_fill_rule(buf->ct, cbp->fill_rule == SP_WIND_RULE_EVENODD? CAIRO_FILL_RULE_EVEN_ODD + : CAIRO_FILL_RULE_WINDING); + if (dostroke) + cairo_fill_preserve(buf->ct); + else + cairo_fill(buf->ct); } + if (dostroke) { + // RGB / BGR + cairo_set_source_rgba(buf->ct, SP_RGBA32_B_F(cbp->stroke_rgba), SP_RGBA32_G_F(cbp->stroke_rgba), SP_RGBA32_R_F(cbp->stroke_rgba), SP_RGBA32_A_F(cbp->stroke_rgba)); + cairo_set_line_width(buf->ct, 1); + cairo_stroke(buf->ct); + } } -#define BIGVAL 1e18 - static double sp_canvas_bpath_point (SPCanvasItem *item, NR::Point p, SPCanvasItem **actual_item) { SPCanvasBPath *cbp = SP_CANVAS_BPATH (item); - if (cbp->fill_shp && (cbp->fill_shp->PtWinding(p) > 0 )) { + const_NRBPath bp; + if ( !cbp->curve || + ((cbp->stroke_rgba & 0xff) == 0 && (cbp->fill_rgba & 0xff) == 0 ) || + cbp->curve->get_length() <= 1) + return NR_HUGE; + + bp.path = cbp->curve->get_bpath(); + + double width = 0.5; + NR::Rect viewbox = item->canvas->getViewbox(); + viewbox.growBy (width); + double dist = NR_HUGE; + nr_path_matrix_point_bbox_wind_distance(&bp, cbp->affine, p, NULL, NULL, &dist, 0.5, &viewbox); + + if (dist <= 1.0) { *actual_item = item; - return 0.0; - } - if (cbp->stroke_shp ) { - if (cbp->stroke_shp->PtWinding(p) > 0 ) { - *actual_item = item; - return 0.0; - } - return distance(cbp->stroke_shp, p); - } - if (cbp->fill_shp) { - return distance(cbp->fill_shp, p); } - return BIGVAL; + return dist; } SPCanvasItem * @@ -311,180 +261,6 @@ sp_canvas_bpath_set_stroke (SPCanvasBPath *cbp, guint32 rgba, gdouble width, SPS -static void -bpath_run_A8_OR (raster_info &dest,void *data,int st,float vst,int en,float ven) -{ - union { - uint8_t comp[4]; - uint32_t col; - } tempCol; - if ( st >= en ) return; - tempCol.col=*(uint32_t*)data; - - unsigned int r, g, b, a; - r = NR_RGBA32_R (tempCol.col); - g = NR_RGBA32_G (tempCol.col); - b = NR_RGBA32_B (tempCol.col); - a = NR_RGBA32_A (tempCol.col); - if (a == 0) return; - - vst*=a; - ven*=a; - - if ( vst < 0 ) vst=0; - if ( vst > 255 ) vst=255; - if ( ven < 0 ) ven=0; - if ( ven > 255 ) ven=255; - float sv=vst; - float dv=ven-vst; - int len=en-st; - uint8_t* d=(uint8_t*)dest.buffer; - - d+=3*(st-dest.startPix); - if ( fabs(dv) < 0.001 ) { - if ( sv > 249.999 ) { - /* Simple copy */ - while (len > 0) { - d[0] = NR_COMPOSEN11_1111 (r, 255, d[0]); - d[1] = NR_COMPOSEN11_1111 (g, 255, d[1]); - d[2] = NR_COMPOSEN11_1111 (b, 255, d[2]); - d += 3; - len -= 1; - } - } else { - unsigned int c0_24=(int)sv; - c0_24&=0xFF; - while (len > 0) { - d[0] = NR_COMPOSEN11_1111 (r, c0_24, d[0]); - d[1] = NR_COMPOSEN11_1111 (g, c0_24, d[1]); - d[2] = NR_COMPOSEN11_1111 (b, c0_24, d[2]); - d += 3; - len -= 1; - } - } - } else { - if ( en <= st+1 ) { - sv=0.5*(vst+ven); - unsigned int c0_24=(int)sv; - c0_24&=0xFF; - d[0] = NR_COMPOSEN11_1111 (r, c0_24, d[0]); - d[1] = NR_COMPOSEN11_1111 (g, c0_24, d[1]); - d[2] = NR_COMPOSEN11_1111 (b, c0_24, d[2]); - } else { - dv/=len; - sv+=0.5*dv; // correction trapezoidale - sv*=65536; - dv*=65536; - int c0_24 = static_cast(CLAMP(sv, 0, 16777216)); - int s0_24 = static_cast(dv); - while (len > 0) { - unsigned int ca; - /* Draw */ - ca = c0_24 >> 16; - if ( ca > 255 ) ca=255; - d[0] = NR_COMPOSEN11_1111 (r, ca, d[0]); - d[1] = NR_COMPOSEN11_1111 (g, ca, d[1]); - d[2] = NR_COMPOSEN11_1111 (b, ca, d[2]); - d += 3; - c0_24 += s0_24; - c0_24 = CLAMP (c0_24, 0, 16777216); - len -= 1; - } - } - } -} - -void nr_pixblock_render_bpath_rgba (Shape* theS,uint32_t color,NRRectL &area,char* destBuf,int stride) -{ - - 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 >= area.x1 || ir <= area.x0 || it >= area.y1 || ib <= area.y0 ) return; - if ( il < area.x0 ) il=area.x0; - if ( it < area.y0 ) it=area.y0; - if ( ir > area.x1 ) ir=area.x1; - if ( ib > area.y1 ) ib=area.y1; - -/* // version par FloatLigne - int curPt; - float curY; - theS->BeginRaster(curY,curPt,1.0); - - FloatLigne* theI=new FloatLigne(); - IntLigne* theIL=new IntLigne(); - - theS->Scan(curY,curPt,(float)(it),1.0); - - char* mdata=(char*)destBuf; - uint32_t* ligStart=((uint32_t*)(mdata+(3*(il-area.x0)+stride*(it-area.y0)))); - for (int y=it;yReset(); - if ( y&0x00000003 ) { - theS->Scan(curY,curPt,((float)(y+1)),theI,false,1.0); - } else { - theS->Scan(curY,curPt,((float)(y+1)),theI,true,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,&color,bpath_run_A8_OR); - ligStart=((uint32_t*)(((char*)ligStart)+stride)); - } - theS->EndRaster(); - delete theI; - delete theIL; */ - - // version par BitLigne directe - int curPt; - float curY; - theS->BeginQuickRaster(curY, curPt); - - 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*)destBuf; - uint32_t* ligStart=((uint32_t*)(mdata+(3*(il-area.x0)+stride*(it-area.y0)))); - for (int y=it;yReset(); - - for (int i = 0; i < 4; i++) - theS->QuickScan(curY, curPt, ((float)(y+0.25*(i+1))), - fill_oddEven, theI[i], 0.25); - - theIL->Copy(4,theI); - // theI[0]->Affiche(); - // theIL->Affiche(); - - raster_info dest; - dest.startPix=il; - dest.endPix=ir; - dest.sth=il; - dest.stv=y; - dest.buffer=ligStart; - theIL->Raster(dest,&color,bpath_run_A8_OR); - ligStart=((uint32_t*)(((char*)ligStart)+stride)); - } - theS->EndQuickRaster(); - for (int i=0;i<4;i++) delete theI[i]; - delete theIL; -} - /* Local Variables: diff --git a/src/display/canvas-bpath.h b/src/display/canvas-bpath.h index b9f867845..e3ef70831 100644 --- a/src/display/canvas-bpath.h +++ b/src/display/canvas-bpath.h @@ -64,6 +64,7 @@ struct SPCanvasBPath { /* Line def */ SPCurve *curve; + NR::Matrix affine; /* Fill attributes */ guint32 fill_rgba; -- 2.30.2