mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-25 05:27:00 +03:00
+ Don't even consider top and bottom borders when they
fall outside the clip rect. Should make scrolling up and down slightly faster. + Clip borders plotted as rectangles to the current clip rectangle. Fixes redraw issue with very tall borders. svn path=/trunk/netsurf/; revision=10713
This commit is contained in:
Michael Drake
parent
8c767656e2
commit
bbbbdd4d80
@ -65,11 +65,12 @@ static bool html_redraw_text_box(struct box *box, int x, int y,
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static bool html_redraw_caret(struct caret *caret,
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colour current_background_color, float scale);
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static bool html_redraw_borders(struct box *box, int x_parent, int y_parent,
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int p_width, int p_height, float scale);
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static bool html_redraw_inline_borders(struct box *box, int x0, int y0,
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int x1, int y1, float scale, bool first, bool last);
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int p_width, int p_height, struct rect clip, float scale);
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static bool html_redraw_inline_borders(struct box *box, struct rect b,
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struct rect clip, float scale, bool first, bool last);
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static bool html_redraw_border_plot(const int side, const int *p, colour c,
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enum css_border_style_e style, int thickness, bool rectangular);
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enum css_border_style_e style, int thickness, bool rectangular,
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struct rect clip);
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static bool html_redraw_checkbox(int x, int y, int width, int height,
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bool selected);
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static bool html_redraw_radio(int x, int y, int width, int height,
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@ -80,8 +81,7 @@ static bool html_redraw_background(int x, int y, struct box *box, float scale,
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struct rect clip, colour *background_colour,
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struct box *background);
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static bool html_redraw_inline_background(int x, int y, struct box *box,
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float scale, struct rect clip,
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int px0, int py0, int px1, int py1,
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float scale, struct rect clip, struct rect b,
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bool first, bool last, colour *background_colour);
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static bool html_redraw_text_decoration(struct box *box,
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int x_parent, int y_parent, float scale,
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@ -481,11 +481,12 @@ bool html_redraw_box(struct box *box, int x_parent, int y_parent,
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box->type != BOX_INLINE_END &&
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(box->type != BOX_INLINE || box->object) &&
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(border_top || border_right ||
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border_bottom || border_left))
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border_bottom || border_left)) {
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if (!html_redraw_borders(box, x_parent, y_parent,
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padding_width, padding_height,
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padding_width, padding_height, r,
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scale))
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return false;
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}
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/* backgrounds and borders for non-replaced inlines */
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if (box->style && box->type == BOX_INLINE && box->inline_end &&
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@ -496,20 +497,23 @@ bool html_redraw_box(struct box *box, int x_parent, int y_parent,
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/* inline backgrounds and borders span other boxes and may
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* wrap onto separate lines */
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struct box *ib;
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struct rect p;
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struct rect b; /* border edge rectangle */
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struct rect p; /* clipped rect */
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bool first = true;
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int ib_x;
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int ib_y = y;
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int ib_p_width;
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int ib_b_left, ib_b_right;
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int xmin = x - border_left;
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int xmax = x + padding_width + border_right;
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int ymin = y - border_top;
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int ymax = y + padding_height + border_bottom;
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p.x0 = xmin < r.x0 ? r.x0 : xmin;
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p.x1 = xmax < r.x1 ? xmax : r.x1;
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p.y0 = ymin < r.y0 ? r.y0 : ymin;
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p.y1 = ymax < r.y1 ? ymax : r.y1;
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b.x0 = x - border_left;
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b.x1 = x + padding_width + border_right;
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b.y0 = y - border_top;
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b.y1 = y + padding_height + border_bottom;
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p.x0 = b.x0 < r.x0 ? r.x0 : b.x0;
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p.x1 = b.x1 < r.x1 ? b.x1 : r.x1;
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p.y0 = b.y0 < r.y0 ? r.y0 : b.y0;
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p.y1 = b.y1 < r.y1 ? b.y1 : r.y1;
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for (ib = box; ib; ib = ib->next) {
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/* to get extents of rectangle(s) associated with
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* inline, cycle though all boxes in inline, skipping
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@ -537,34 +541,32 @@ bool html_redraw_box(struct box *box, int x_parent, int y_parent,
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/* inline element has wrapped, plot background
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* and borders */
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if (!html_redraw_inline_background(
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x, y, box, scale, p,
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xmin, ymin, xmax, ymax,
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x, y, box, scale, p, b,
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first, false,
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¤t_background_color))
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return false;
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/* restore previous graphics window */
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if (!plot.clip(r.x0, r.y0, r.x1, r.y1))
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return false;
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if (!html_redraw_inline_borders(box,
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xmin, ymin, xmax, ymax,
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if (!html_redraw_inline_borders(box, b, r,
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scale, first, false))
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return false;
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/* reset coords */
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xmin = ib_x - ib_b_left;
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ymin = ib_y - border_top - padding_top;
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ymax = ib_y + padding_height - padding_top +
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b.x0 = ib_x - ib_b_left;
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b.y0 = ib_y - border_top - padding_top;
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b.y1 = ib_y + padding_height - padding_top +
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border_bottom;
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p.x0 = xmin < r.x0 ? r.x0 : xmin;
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p.y0 = ymin < r.y0 ? r.y0 : ymin;
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p.y1 = ymax < r.y1 ? ymax : r.y1;
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p.x0 = b.x0 < r.x0 ? r.x0 : b.x0;
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p.y0 = b.y0 < r.y0 ? r.y0 : b.y0;
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p.y1 = b.y1 < r.y1 ? b.y1 : r.y1;
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first = false;
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}
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/* increase width for current box */
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xmax = ib_x + ib_p_width + ib_b_right;
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p.x1 = xmax < r.x1 ? xmax : r.x1;
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b.x1 = ib_x + ib_p_width + ib_b_right;
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p.x1 = b.x1 < r.x1 ? b.x1 : r.x1;
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if (ib == box->inline_end)
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/* reached end of BOX_INLINE span */
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@ -572,15 +574,13 @@ bool html_redraw_box(struct box *box, int x_parent, int y_parent,
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}
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/* plot background and borders for last rectangle of
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* the inline */
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if (!html_redraw_inline_background(x, ib_y, box, scale, p,
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xmin, ymin, xmax, ymax, first, true,
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¤t_background_color))
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if (!html_redraw_inline_background(x, ib_y, box, scale, p, b,
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first, true, ¤t_background_color))
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return false;
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/* restore previous graphics window */
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if (!plot.clip(r.x0, r.y0, r.x1, r.y1))
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return false;
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if (!html_redraw_inline_borders(box, xmin, ymin, xmax, ymax,
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scale, first, true))
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if (!html_redraw_inline_borders(box, b, r, scale, first, true))
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return false;
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}
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@ -1037,7 +1037,7 @@ bool html_redraw_caret(struct caret *c, colour current_background_color,
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*/
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bool html_redraw_borders(struct box *box, int x_parent, int y_parent,
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int p_width, int p_height, float scale)
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int p_width, int p_height, struct rect clip, float scale)
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{
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unsigned int sides[] = { LEFT, RIGHT, TOP, BOTTOM };
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int top = box->border[TOP].width;
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@ -1116,6 +1116,14 @@ bool html_redraw_borders(struct box *box, int x_parent, int y_parent,
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z[3] += bottom;
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square_end_2 = true;
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}
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col = nscss_color_to_ns(box->border[side].c);
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if (!html_redraw_border_plot(side, z, col,
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box->border[side].style,
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box->border[side].width * scale,
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square_end_1 && square_end_2, clip))
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return false;
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break;
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case RIGHT:
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square_end_1 = (top == 0);
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@ -1144,8 +1152,21 @@ bool html_redraw_borders(struct box *box, int x_parent, int y_parent,
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z[5] += bottom;
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square_end_2 = true;
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}
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col = nscss_color_to_ns(box->border[side].c);
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if (!html_redraw_border_plot(side, z, col,
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box->border[side].style,
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box->border[side].width * scale,
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square_end_1 && square_end_2, clip))
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return false;
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break;
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case TOP:
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if (clip.y0 > p[3])
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/* clip rectangle is below border; nothing to
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* plot */
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continue;
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square_end_1 = (left == 0);
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square_end_2 = (right == 0);
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@ -1172,8 +1193,21 @@ bool html_redraw_borders(struct box *box, int x_parent, int y_parent,
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z[4] -= right;
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square_end_2 = true;
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}
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col = nscss_color_to_ns(box->border[side].c);
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if (!html_redraw_border_plot(side, z, col,
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box->border[side].style,
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box->border[side].width * scale,
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square_end_1 && square_end_2, clip))
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return false;
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break;
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case BOTTOM:
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if (clip.y1 < p[5])
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/* clip rectangle is above border; nothing to
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* plot */
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continue;
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square_end_1 = (left == 0);
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square_end_2 = (right == 0);
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@ -1200,20 +1234,20 @@ bool html_redraw_borders(struct box *box, int x_parent, int y_parent,
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z[2] -= right;
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square_end_2 = true;
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}
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col = nscss_color_to_ns(box->border[side].c);
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if (!html_redraw_border_plot(side, z, col,
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box->border[side].style,
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box->border[side].width * scale,
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square_end_1 && square_end_2, clip))
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return false;
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break;
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default:
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assert(side == TOP || side == BOTTOM ||
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side == LEFT || side == RIGHT);
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break;
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}
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col = nscss_color_to_ns(box->border[side].c);
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if (!html_redraw_border_plot(side, z, col,
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box->border[side].style,
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box->border[side].width * scale,
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square_end_1 && square_end_2))
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return false;
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}
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return true;
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@ -1224,18 +1258,15 @@ bool html_redraw_borders(struct box *box, int x_parent, int y_parent,
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* Draw an inline's borders.
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*
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* \param box BOX_INLINE which created the border
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* \param x0 coordinate of border edge rectangle
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* \param y0 coordinate of border edge rectangle
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* \param x1 coordinate of border edge rectangle
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* \param y1 coordinate of border edge rectangle
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* \param b coordinates of border edge rectangle
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* \param scale scale for redraw
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* \param first true if this is the first rectangle associated with the inline
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* \param last true if this is the last rectangle associated with the inline
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* \return true if successful, false otherwise
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*/
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bool html_redraw_inline_borders(struct box *box, int x0, int y0, int x1, int y1,
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float scale, bool first, bool last)
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bool html_redraw_inline_borders(struct box *box, struct rect b,
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struct rect clip, float scale, bool first, bool last)
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{
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int top = box->border[TOP].width;
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int right = box->border[RIGHT].width;
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@ -1264,10 +1295,10 @@ bool html_redraw_inline_borders(struct box *box, int x0, int y0, int x1, int y1,
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* | / \ |
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* +----------------------D
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*/
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p[0] = x0; p[1] = y0; /* A */
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p[2] = first ? x0 + left : x0; p[3] = y0 + top; /* B */
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p[4] = last ? x1 - right : x1; p[5] = y1 - bottom; /* C */
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p[6] = x1; p[7] = y1; /* D */
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p[0] = b.x0; p[1] = b.y0; /* A */
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p[2] = first ? b.x0 + left : b.x0; p[3] = b.y0 + top; /* B */
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p[4] = last ? b.x1 - right : b.x1; p[5] = b.y1 - bottom; /* C */
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p[6] = b.x1; p[7] = b.y1; /* D */
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assert(box->style);
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@ -1304,7 +1335,7 @@ bool html_redraw_inline_borders(struct box *box, int x0, int y0, int x1, int y1,
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if (!html_redraw_border_plot(LEFT, z, col,
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box->border[LEFT].style,
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left, square_end_1 && square_end_2))
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left, square_end_1 && square_end_2, clip))
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return false;
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}
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@ -1341,7 +1372,7 @@ bool html_redraw_inline_borders(struct box *box, int x0, int y0, int x1, int y1,
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if (!html_redraw_border_plot(RIGHT, z, col,
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box->border[RIGHT].style,
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right, square_end_1 && square_end_2))
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right, square_end_1 && square_end_2, clip))
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return false;
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}
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@ -1378,7 +1409,7 @@ bool html_redraw_inline_borders(struct box *box, int x0, int y0, int x1, int y1,
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if (!html_redraw_border_plot(TOP, z, col,
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box->border[TOP].style,
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top, square_end_1 && square_end_2))
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top, square_end_1 && square_end_2, clip))
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return false;
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}
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@ -1415,7 +1446,7 @@ bool html_redraw_inline_borders(struct box *box, int x0, int y0, int x1, int y1,
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if (!html_redraw_border_plot(BOTTOM, z, col,
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box->border[BOTTOM].style,
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bottom, square_end_1 && square_end_2))
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bottom, square_end_1 && square_end_2, clip))
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return false;
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}
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@ -1454,7 +1485,8 @@ static plot_style_t plot_style_fillbdr_dlight = {
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*/
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bool html_redraw_border_plot(const int side, const int *p, colour c,
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enum css_border_style_e style, int thickness, bool rectangular)
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enum css_border_style_e style, int thickness, bool rectangular,
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struct rect clip)
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{
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int z[8]; /* Vertices of border part */
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unsigned int light = side;
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@ -1502,9 +1534,17 @@ bool html_redraw_border_plot(const int side, const int *p, colour c,
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y1 = ((side == LEFT) && (p[1] - p[3] != 0)) ?
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y1 + p[1] - p[3] : y1;
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}
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if (!plot.rectangle(x0, y0, x1, y1,
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&plot_style_fillbdr))
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return false;
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/* find intersection of clip rectangle and border */
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x0 = (clip.x0 > x0) ? clip.x0 : x0;
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y0 = (clip.y0 > y0) ? clip.y0 : y0;
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x1 = (clip.x1 < x1) ? clip.x1 : x1;
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y1 = (clip.y1 < y1) ? clip.y1 : y1;
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if ((x0 < x1) && (y0 < y1)) {
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/* valid clip rectangles only */
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if (!plot.rectangle(x0, y0, x1, y1,
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&plot_style_fillbdr))
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return false;
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}
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} else {
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if (!plot.polygon(p, 4, &plot_style_fillbdr))
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return false;
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@ -1561,9 +1601,17 @@ bool html_redraw_border_plot(const int side, const int *p, colour c,
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x0 = p[6]; y0 = p[7];
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x1 = (p[0] + p[2]) / 2; y1 = (p[1] + p[3]) / 2;
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}
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if (!plot.rectangle(x0, y0, x1, y1,
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plot_style_bdr_in))
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return false;
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/* find intersection of clip rectangle and border */
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x0 = (clip.x0 > x0) ? clip.x0 : x0;
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y0 = (clip.y0 > y0) ? clip.y0 : y0;
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x1 = (clip.x1 < x1) ? clip.x1 : x1;
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y1 = (clip.y1 < y1) ? clip.y1 : y1;
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if ((x0 < x1) && (y0 < y1)) {
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/* valid clip rectangles only */
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if (!plot.rectangle(x0, y0, x1, y1,
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plot_style_bdr_in))
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return false;
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}
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/* Second part */
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if (side == TOP || side == RIGHT) {
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@ -1573,9 +1621,17 @@ bool html_redraw_border_plot(const int side, const int *p, colour c,
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x0 = (p[6] + p[4]) / 2; y0 = (p[7] + p[5]) / 2;
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x1 = p[2]; y1 = p[3];
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}
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if (!plot.rectangle(x0, y0, x1, y1,
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plot_style_bdr_out))
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return false;
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/* find intersection of clip rectangle and border */
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x0 = (clip.x0 > x0) ? clip.x0 : x0;
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y0 = (clip.y0 > y0) ? clip.y0 : y0;
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x1 = (clip.x1 < x1) ? clip.x1 : x1;
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y1 = (clip.y1 < y1) ? clip.y1 : y1;
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if ((x0 < x1) && (y0 < y1)) {
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/* valid clip rectangles only */
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if (!plot.rectangle(x0, y0, x1, y1,
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plot_style_bdr_out))
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return false;
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}
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} else if (thickness == 1) {
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/* Border made up from one part which can be plotted
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* as a rectangle */
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@ -1585,17 +1641,35 @@ bool html_redraw_border_plot(const int side, const int *p, colour c,
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x1 = p[6]; y1 = p[7];
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x1 = ((side == TOP) && (p[4] - p[6] != 0)) ?
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x1 + p[4] - p[6] : x1;
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if (!plot.rectangle(x0, y0, x1, y1,
|
||||
plot_style_bdr_in))
|
||||
return false;
|
||||
/* find intersection of clip rectangle and
|
||||
* border */
|
||||
x0 = (clip.x0 > x0) ? clip.x0 : x0;
|
||||
y0 = (clip.y0 > y0) ? clip.y0 : y0;
|
||||
x1 = (clip.x1 < x1) ? clip.x1 : x1;
|
||||
y1 = (clip.y1 < y1) ? clip.y1 : y1;
|
||||
if ((x0 < x1) && (y0 < y1)) {
|
||||
/* valid clip rectangles only */
|
||||
if (!plot.rectangle(x0, y0, x1, y1,
|
||||
plot_style_bdr_in))
|
||||
return false;
|
||||
}
|
||||
} else {
|
||||
x0 = p[6]; y0 = p[7];
|
||||
x1 = p[2]; y1 = p[3];
|
||||
y1 = ((side == LEFT) && (p[1] - p[3] != 0)) ?
|
||||
y1 + p[1] - p[3] : y1;
|
||||
if (!plot.rectangle(x0, y0, x1, y1,
|
||||
plot_style_bdr_out))
|
||||
return false;
|
||||
/* find intersection of clip rectangle and
|
||||
* border */
|
||||
x0 = (clip.x0 > x0) ? clip.x0 : x0;
|
||||
y0 = (clip.y0 > y0) ? clip.y0 : y0;
|
||||
x1 = (clip.x1 < x1) ? clip.x1 : x1;
|
||||
y1 = (clip.y1 < y1) ? clip.y1 : y1;
|
||||
if ((x0 < x1) && (y0 < y1)) {
|
||||
/* valid clip rectangles only */
|
||||
if (!plot.rectangle(x0, y0, x1, y1,
|
||||
plot_style_bdr_out))
|
||||
return false;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
/* Border made up from two parts and can't be plotted
|
||||
@ -1661,9 +1735,17 @@ bool html_redraw_border_plot(const int side, const int *p, colour c,
|
||||
x0 = p[6]; y0 = p[7];
|
||||
x1 = (p[0] + p[2]) / 2; y1 = (p[1] + p[3]) / 2;
|
||||
}
|
||||
if (!plot.rectangle(x0, y0, x1, y1,
|
||||
plot_style_bdr_in))
|
||||
return false;
|
||||
/* find intersection of clip rectangle and border */
|
||||
x0 = (clip.x0 > x0) ? clip.x0 : x0;
|
||||
y0 = (clip.y0 > y0) ? clip.y0 : y0;
|
||||
x1 = (clip.x1 < x1) ? clip.x1 : x1;
|
||||
y1 = (clip.y1 < y1) ? clip.y1 : y1;
|
||||
if ((x0 < x1) && (y0 < y1)) {
|
||||
/* valid clip rectangles only */
|
||||
if (!plot.rectangle(x0, y0, x1, y1,
|
||||
plot_style_bdr_in))
|
||||
return false;
|
||||
}
|
||||
|
||||
/* Second part */
|
||||
if (side == TOP || side == RIGHT) {
|
||||
@ -1673,9 +1755,17 @@ bool html_redraw_border_plot(const int side, const int *p, colour c,
|
||||
x0 = (p[6] + p[4]) / 2; y0 = (p[7] + p[5]) / 2;
|
||||
x1 = p[2]; y1 = p[3];
|
||||
}
|
||||
if (!plot.rectangle(x0, y0, x1, y1,
|
||||
plot_style_bdr_out))
|
||||
return false;
|
||||
/* find intersection of clip rectangle and border */
|
||||
x0 = (clip.x0 > x0) ? clip.x0 : x0;
|
||||
y0 = (clip.y0 > y0) ? clip.y0 : y0;
|
||||
x1 = (clip.x1 < x1) ? clip.x1 : x1;
|
||||
y1 = (clip.y1 < y1) ? clip.y1 : y1;
|
||||
if ((x0 < x1) && (y0 < y1)) {
|
||||
/* valid clip rectangles only */
|
||||
if (!plot.rectangle(x0, y0, x1, y1,
|
||||
plot_style_bdr_out))
|
||||
return false;
|
||||
}
|
||||
} else if (thickness == 1) {
|
||||
/* Border made up from one part which can be plotted
|
||||
* as a rectangle */
|
||||
@ -1685,17 +1775,35 @@ bool html_redraw_border_plot(const int side, const int *p, colour c,
|
||||
x1 = p[6]; y1 = p[7];
|
||||
x1 = ((side == TOP) && (p[4] - p[6] != 0)) ?
|
||||
x1 + p[4] - p[6] : x1;
|
||||
if (!plot.rectangle(x0, y0, x1, y1,
|
||||
plot_style_bdr_in))
|
||||
return false;
|
||||
/* find intersection of clip rectangle and
|
||||
* border */
|
||||
x0 = (clip.x0 > x0) ? clip.x0 : x0;
|
||||
y0 = (clip.y0 > y0) ? clip.y0 : y0;
|
||||
x1 = (clip.x1 < x1) ? clip.x1 : x1;
|
||||
y1 = (clip.y1 < y1) ? clip.y1 : y1;
|
||||
if ((x0 < x1) && (y0 < y1)) {
|
||||
/* valid clip rectangles only */
|
||||
if (!plot.rectangle(x0, y0, x1, y1,
|
||||
plot_style_bdr_in))
|
||||
return false;
|
||||
}
|
||||
} else {
|
||||
x0 = p[6]; y0 = p[7];
|
||||
x1 = p[2]; y1 = p[3];
|
||||
y1 = ((side == LEFT) && (p[1] - p[3] != 0)) ?
|
||||
y1 + p[1] - p[3] : y1;
|
||||
if (!plot.rectangle(x0, y0, x1, y1,
|
||||
plot_style_bdr_out))
|
||||
return false;
|
||||
/* find intersection of clip rectangle and
|
||||
* border */
|
||||
x0 = (clip.x0 > x0) ? clip.x0 : x0;
|
||||
y0 = (clip.y0 > y0) ? clip.y0 : y0;
|
||||
x1 = (clip.x1 < x1) ? clip.x1 : x1;
|
||||
y1 = (clip.y1 < y1) ? clip.y1 : y1;
|
||||
if ((x0 < x1) && (y0 < y1)) {
|
||||
/* valid clip rectangles only */
|
||||
if (!plot.rectangle(x0, y0, x1, y1,
|
||||
plot_style_bdr_out))
|
||||
return false;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
/* Border made up from two parts and can't be plotted
|
||||
@ -2095,10 +2203,7 @@ bool html_redraw_background(int x, int y, struct box *box, float scale,
|
||||
* \param box BOX_INLINE which created the background
|
||||
* \param scale scale for redraw
|
||||
* \param clip coordinates of clip rectangle
|
||||
* \param px0 coordinate of border edge rectangle
|
||||
* \param py0 coordinate of border edge rectangle
|
||||
* \param px1 coordinate of border edge rectangle
|
||||
* \param py1 coordinate of border edge rectangle
|
||||
* \param b coordinates of border edge rectangle
|
||||
* \param first true if this is the first rectangle associated with the inline
|
||||
* \param last true if this is the last rectangle associated with the inline
|
||||
* \param background_colour updated to current background colour if plotted
|
||||
@ -2106,8 +2211,8 @@ bool html_redraw_background(int x, int y, struct box *box, float scale,
|
||||
*/
|
||||
|
||||
bool html_redraw_inline_background(int x, int y, struct box *box, float scale,
|
||||
struct rect clip, int px0, int py0, int px1, int py1,
|
||||
bool first, bool last, colour *background_colour)
|
||||
struct rect clip, struct rect b, bool first, bool last,
|
||||
colour *background_colour)
|
||||
{
|
||||
bool repeat_x = false;
|
||||
bool repeat_y = false;
|
||||
@ -2156,7 +2261,8 @@ bool html_redraw_inline_background(int x, int y, struct box *box, float scale,
|
||||
css_computed_background_position(box->style,
|
||||
&hpos, &hunit, &vpos, &vunit);
|
||||
if (hunit == CSS_UNIT_PCT) {
|
||||
x += (px1 - px0 - content_get_width(box->background) *
|
||||
x += (b.x1 - b.x0 -
|
||||
content_get_width(box->background) *
|
||||
scale) * FIXTOFLT(hpos) / 100.;
|
||||
|
||||
if (!repeat_x && ((hpos < 2 && !first) ||
|
||||
@ -2169,7 +2275,8 @@ bool html_redraw_inline_background(int x, int y, struct box *box, float scale,
|
||||
}
|
||||
|
||||
if (vunit == CSS_UNIT_PCT) {
|
||||
y += (py1 - py0 - content_get_height(box->background) *
|
||||
y += (b.y1 - b.y0 -
|
||||
content_get_height(box->background) *
|
||||
scale) * FIXTOFLT(vpos) / 100.;
|
||||
} else {
|
||||
y += (int) (FIXTOFLT(nscss_len2px(vpos, vunit,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user