Cross Reference: /inkscape/src/display/canvas-axonomgrid.cpp

Lines Matching refs:buf
62 sp_caxonomgrid_drawline (SPCanvasBuf *buf, gint x0, gint y0, gint x1, gint y1, guint32 rgba)
64     cairo_move_to(buf->ct, 0.5 + x0, 0.5 + y0);
65     cairo_line_to(buf->ct, 0.5 + x1, 0.5 + y1);
66     ink_cairo_set_source_rgba32(buf->ct, rgba);
67     cairo_stroke(buf->ct);
71 sp_grid_vline (SPCanvasBuf *buf, gint x, gint ys, gint ye, guint32 rgba)
73     if ((x < buf->rect.left()) || (x >= buf->rect.right()))
76     cairo_move_to(buf->ct, 0.5 + x, 0.5 + ys);
77     cairo_line_to(buf->ct, 0.5 + x, 0.5 + ye);
78     ink_cairo_set_source_rgba32(buf->ct, rgba);
79     cairo_stroke(buf->ct);
521 CanvasAxonomGrid::Render (SPCanvasBuf *buf)
533     cairo_save(buf->ct);
534     cairo_translate(buf->ct, -buf->rect.left(), -buf->rect.top());
535     cairo_set_line_width(buf->ct, 1.0);
536     cairo_set_line_cap(buf->ct, CAIRO_LINE_CAP_SQUARE);
539     // sc = screencoordinates ( for example "buf->rect.left()" is in screencoordinates )
545     buf_tl_gc[Geom::X] = buf->rect.left()   - ow[Geom::X];
546     buf_tl_gc[Geom::Y] = buf->rect.top()    - ow[Geom::Y];
547     buf_br_gc[Geom::X] = buf->rect.right()  - ow[Geom::X];
548     buf_br_gc[Geom::Y] = buf->rect.bottom() - ow[Geom::Y];
554     gdouble const xstart_y_sc = ( xintercept_y_bc - floor(xintercept_y_bc/lyw)*lyw ) + buf->rect.top();
558     for (gdouble y = xstart_y_sc; y < buf->rect.bottom(); y += lyw, xlinenum++) {
559         gint const x0 = buf->rect.left();
561         gint x1 = x0 + round( (buf->rect.bottom() - y) / tan_angle[X] );
562         gint y1 = buf->rect.bottom();
564             x1 = buf->rect.right();
569             sp_caxonomgrid_drawline (buf, x0, y0, x1, y1, color);
571             sp_caxonomgrid_drawline (buf, x0, y0, x1, y1, _empcolor);
577         gdouble const xstart_x_sc = buf->rect.left() + (lxw_x - (xstart_y_sc - buf->rect.top()) / tan_angle[X]) ;
579         for (gdouble x = xstart_x_sc; x < buf->rect.right(); x += lxw_x, xlinenum--) {
580             gint const y0 = buf->rect.top();
581             gint const y1 = buf->rect.bottom();
586                 sp_caxonomgrid_drawline (buf, x0, y0, x1, y1, color);
588                 sp_caxonomgrid_drawline (buf, x0, y0, x1, y1, _empcolor);
597     for (gdouble x = ystart_x_sc; x < buf->rect.right(); x += spacing_ylines, ylinenum++) {
601             sp_grid_vline (buf, x0, buf->rect.top(), buf->rect.bottom() - 1, color);
603             sp_grid_vline (buf, x0, buf->rect.top(), buf->rect.bottom() - 1, _empcolor);
609     gdouble const zstart_y_sc = ( zintercept_y_bc - floor(zintercept_y_bc/lyw)*lyw ) + buf->rect.top();
614     for (gdouble y = zstart_y_sc; y < buf->rect.bottom(); y += lyw, zlinenum++, next_y = y) {
615         gint const x0 = buf->rect.left();
617         gint x1 = x0 + round( (y - buf->rect.top() ) / tan_angle[Z] );
618         gint y1 = buf->rect.top();
620             x1 = buf->rect.right();
625             sp_caxonomgrid_drawline (buf, x0, y0, x1, y1, color);
627             sp_caxonomgrid_drawline (buf, x0, y0, x1, y1, _empcolor);
633         gdouble const zstart_x_sc = buf->rect.left() + (next_y - buf->rect.bottom()) / tan_angle[Z] ;
634         for (gdouble x = zstart_x_sc; x < buf->rect.right(); x += lxw_z, zlinenum++) {
635             gint const y0 = buf->rect.bottom();
636             gint const y1 = buf->rect.top();
638             gint const x1 = x0 + round(buf->rect.height() / tan_angle[Z] );
641                 sp_caxonomgrid_drawline (buf, x0, y0, x1, y1, color);
643                 sp_caxonomgrid_drawline (buf, x0, y0, x1, y1, _empcolor);
648     cairo_restore(buf->ct);