From 02d8430b4ea6aaf5179dd734e6f0fa3a2da5a16a Mon Sep 17 00:00:00 2001 From: buliabyak Date: Tue, 24 Jun 2008 02:15:31 +0000 Subject: [PATCH] update for 32bpp canvas buf; delivarotify --- src/display/sp-canvas-util.cpp | 181 +-------------------------------- src/display/sp-canvas-util.h | 5 - 2 files changed, 1 insertion(+), 185 deletions(-) diff --git a/src/display/sp-canvas-util.cpp b/src/display/sp-canvas-util.cpp index 9b3e53f20..3c4328db1 100644 --- a/src/display/sp-canvas-util.cpp +++ b/src/display/sp-canvas-util.cpp @@ -17,10 +17,6 @@ #include "libnr/nr-pixops.h" #include "sp-canvas-util.h" -#include -#include -#include - void sp_canvas_update_bbox (SPCanvasItem *item, int x1, int y1, int x2, int y2) { @@ -73,7 +69,7 @@ sp_canvas_clear_buffer (SPCanvasBuf *buf) } else { int y; for (y = buf->rect.y0; y < buf->rect.y1; y++) { - memset (buf->buf + (y - buf->rect.y0) * buf->buf_rowstride, r, 3 * (buf->rect.x1 - buf->rect.x0)); // CAIRO FIXME: for cairo output we need 32bpp, so it will be 4 * ... + memset (buf->buf + (y - buf->rect.y0) * buf->buf_rowstride, r, 4 * (buf->rect.x1 - buf->rect.x0)); } } } @@ -132,181 +128,6 @@ sp_canvas_item_compare_z (SPCanvasItem * a, SPCanvasItem * b) return 0; } -// These two functions are used by canvasitems that use livarot (currently ctrlline and ctrlquadr) - -void -ctrl_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] = INK_COMPOSE (r, 255, d[0]); - d[1] = INK_COMPOSE (g, 255, d[1]); - d[2] = INK_COMPOSE (b, 255, d[2]); - d += 3; - len -= 1; - } - } else { - unsigned int c0_24=(int)sv; - c0_24&=0xFF; - while (len > 0) { - d[0] = INK_COMPOSE (r, c0_24, d[0]); - d[1] = INK_COMPOSE (g, c0_24, d[1]); - d[2] = INK_COMPOSE (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] = INK_COMPOSE (r, c0_24, d[0]); - d[1] = INK_COMPOSE (g, c0_24, d[1]); - d[2] = INK_COMPOSE (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] = INK_COMPOSE (r, ca, d[0]); - d[1] = INK_COMPOSE (g, ca, d[1]); - d[2] = INK_COMPOSE (b, ca, d[2]); - d += 3; - c0_24 += s0_24; - c0_24 = CLAMP (c0_24, 0, 16777216); - len -= 1; - } - } - } -} - -void nr_pixblock_render_ctrl_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); - -// printf("bbox %i %i %i %i render %i %i %i %i\n",il,it,ir,ib,area.x0,area.y0,area.x1,area.y1); - - 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->QuickScan(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(); - theS->QuickScan(curY,curPt,((float)(y+0.25)),fill_oddEven,theI[0],0.25); - theS->QuickScan(curY,curPt,((float)(y+0.5)),fill_oddEven,theI[1],0.25); - theS->QuickScan(curY,curPt,((float)(y+0.75)),fill_oddEven,theI[2],0.25); - theS->QuickScan(curY,curPt,((float)(y+1.0)),fill_oddEven,theI[3],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,&color,ctrl_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: mode:c++ diff --git a/src/display/sp-canvas-util.h b/src/display/sp-canvas-util.h index b592ba1d0..0b2ec40d7 100644 --- a/src/display/sp-canvas-util.h +++ b/src/display/sp-canvas-util.h @@ -42,11 +42,6 @@ void sp_canvas_item_move_to_z (SPCanvasItem * item, gint z); gint sp_canvas_item_compare_z (SPCanvasItem * a, SPCanvasItem * b); -class Shape; -class raster_info; -void ctrl_run_A8_OR (raster_info &dest, void *data, int st, float vst, int en, float ven); -void nr_pixblock_render_ctrl_rgba (Shape* theS, uint32_t color, NRRectL &area, char* destBuf, int stride); - #endif /* -- 2.30.2