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[project @ 2004-06-25 01:23:41 by jmb]

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Fix background clipping rectangle issue reported by Andrew Duffell.

svn path=/import/netsurf/; revision=1005
This commit is contained in:
John Mark Bell 2004-06-25 01:23:41 +00:00
parent 73248cdd90
commit bca6a63c45
1 changed files with 20 additions and 15 deletions
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27
riscos/htmlredraw.c
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@ -102,6 +102,7 @@ void html_redraw_box(struct content *content, struct box * box,
int padding_left, padding_top; int padding_left, padding_top;
int padding_width, padding_height; int padding_width, padding_height;
int x0, y0, x1, y1; int x0, y0, x1, y1;
int px0, py0, px1, py1;
int colour; int colour;
os_VDU_VAR_LIST(5) vars = { { os_VDUVAR_GWL_COL, os_VDUVAR_GWB_ROW, os_VDU_VAR_LIST(5) vars = { { os_VDUVAR_GWL_COL, os_VDUVAR_GWB_ROW,
os_VDUVAR_GWR_COL, os_VDUVAR_GWT_ROW, -1 } }; os_VDUVAR_GWR_COL, os_VDUVAR_GWT_ROW, -1 } };
@ -214,18 +215,14 @@ void html_redraw_box(struct content *content, struct box * box,
y1 = clip_y1; y1 = clip_y1;
} }
/* read current graphics window dimensions */ /* find intersection of clip box and padding box */
xos_read_vdu_variables((os_vdu_var_list const *) &vars, (int*)&cgw); px0 = x < x0 ? x0 : x;
py0 = y - padding_height < y0 ? y0 : y - padding_height;
px1 = x + padding_width < x1 ? x + padding_width : x1;
py1 = y < y1 ? y : y1;
/* background colour */ /* background colour */
if (box->style != 0 && box->style->background_color != TRANSPARENT) { if (box->style != 0 && box->style->background_color != TRANSPARENT) {
/* find intersection of clip box and padding box */
int px0 = x < x0 ? x0 : x;
int py0 = y - padding_height < y0 ? y0 : y - padding_height;
int px1 = x + padding_width < x1 ? x + padding_width : x1;
int py1 = y < y1 ? y : y1;
/* clip to it */
html_redraw_clip(px0, py0, px1, py1);
colourtrans_set_gcol(box->style->background_color << 8, colourtrans_set_gcol(box->style->background_color << 8,
colourtrans_USE_ECFS, os_ACTION_OVERWRITE, 0); colourtrans_USE_ECFS, os_ACTION_OVERWRITE, 0);
os_plot(os_MOVE_TO, px0, py0); os_plot(os_MOVE_TO, px0, py0);
@ -234,11 +231,19 @@ void html_redraw_box(struct content *content, struct box * box,
current_background_color = box->style->background_color; current_background_color = box->style->background_color;
} }
/* read current graphics window dimensions */
xos_read_vdu_variables((os_vdu_var_list const *) &vars, (int*)&cgw);
/* clip to padding box */
html_redraw_clip(px0, py0, px1, py1);
/* plot background image */ /* plot background image */
/* the if statement below causes regression on acornarcade.com
* but fixes some issues with the CSS testsuite background section */
// if (box->type != BOX_INLINE && box->background)
html_redraw_background(x, y, width, clip_y1-clip_y0, box, scale); html_redraw_background(x, y, width, clip_y1-clip_y0, box, scale);
/* restore previous graphics window, if necessary */ /* restore previous graphics window */
if (box->style != 0 && box->style->background_color != TRANSPARENT)
/* should probably take account of the eigvalues here... */ /* should probably take account of the eigvalues here... */
html_redraw_clip(cgw[0]*2, cgw[1]*2, cgw[2]*2, cgw[3]*2); html_redraw_clip(cgw[0]*2, cgw[1]*2, cgw[2]*2, cgw[3]*2);