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[project @ 2004-10-25 22:42:36 by jmb] 

Fix silly line plotting bug.
Fix stupidly large bounding boxes when plotting polygons.
Tidy up filled rectangle plotting.

svn path=/import/netsurf/; revision=1335
This commit is contained in:
John Mark Bell 2004-10-25 22:42:36 +00:00
parent da5d07f0be
commit be3ce1f3a9
1 changed files with 31 additions and 19 deletions
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50
riscos/save_draw.c
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@ -681,7 +681,7 @@ bool draw_plot_line(int x0, int y0, int x1, int y1, int width, colour c,
dpe->tag = draw_LINE_TO;
dpe->reserved[0] = dpe->reserved[1] = dpe->reserved[2] = 0;
dpe->data.line_to.x = dp->bbox.x1;
dpe->data.line_to.y = dp->bbox.y0;
dpe->data.line_to.y = dp->bbox.y1;
/* end */
dpe = (draw_path_element *) (((int *) &dp->path) + 24 / sizeof (int));
@ -720,11 +720,13 @@ bool draw_plot_polygon(int *p, unsigned int n, colour fill)
dp->fill = fill<<8;
dp->outline = 0xFFFFFFFF; /* no outline */
dp->width = 0;
dp->style.flags = 0;
dp->style.reserved = 0;
dp->style.cap_width = 0;
dp->style.cap_length = 0;
for (i = 0; i != n; i++) {
dpe = (draw_path_element *) (((int *) &dp->path) + (12 * i) / sizeof (int));
dpe->tag = draw_LINE_TO;
@ -734,11 +736,10 @@ bool draw_plot_polygon(int *p, unsigned int n, colour fill)
if (p[i*2+0] < xmin) xmin = p[i*2+0];
if (p[i*2+0] > xmax) xmax = p[i*2+0];
if (draw_plot_origin_y - p[i*2+1] < ymin)
if ((draw_plot_origin_y - p[i*2+1]) < ymin)
ymin = draw_plot_origin_y - p[i*2+1];
if (draw_plot_origin_y - p[i*2+1] > ymax)
if ((draw_plot_origin_y - p[i*2+1]) > ymax)
ymax = draw_plot_origin_y - p[i*2+1];
}
dpe = (draw_path_element *) (((int *) &dp->path) + 0 / sizeof (int));
@ -753,7 +754,6 @@ bool draw_plot_polygon(int *p, unsigned int n, colour fill)
dp->bbox.y0 = ymin * 512;
dp->bbox.x1 = xmax * 512;
dp->bbox.y1 = ymax * 512;
dp->width = (xmax - xmin) * 512;
return true;
}
@ -779,10 +779,22 @@ bool draw_plot_fill(int x0, int y0, int x1, int y1, colour c)
dro->size = 8 + 96;
dp = &dro->data.path;
dp->bbox.x0 = x0 * 512;
dp->bbox.y0 = (draw_plot_origin_y - y1) * 512;
dp->bbox.x1 = x1 * 512;
dp->bbox.y1 = (draw_plot_origin_y - y0) * 512;
if (x0 < x1) {
dp->bbox.x0 = x0 * 512;
dp->bbox.x1 = x1 * 512;
}
else {
dp->bbox.x0 = x1 * 512;
dp->bbox.x1 = x0 * 512;
}
if (y0 < y1) {
dp->bbox.y0 = (draw_plot_origin_y - y1) * 512;
dp->bbox.y1 = (draw_plot_origin_y - y0) * 512;
}
else {
dp->bbox.y0 = (draw_plot_origin_y - y0) * 512;
dp->bbox.y1 = (draw_plot_origin_y - y1) * 512;
}
dp->fill = c<<8;
dp->outline = 0xFFFFFFFF; /* no stroke */
@ -792,32 +804,32 @@ bool draw_plot_fill(int x0, int y0, int x1, int y1, colour c)
dpe = (draw_path_element *) (((int *) &dp->path) + 0 / sizeof (int));
dpe->tag = draw_MOVE_TO;
dpe->reserved[0] = dpe->reserved[1] = dpe->reserved[2] = 0;
dpe->data.move_to.x = x0 * 512;
dpe->data.move_to.y = (draw_plot_origin_y - y1) * 512;
dpe->data.move_to.x = dp->bbox.x0;
dpe->data.move_to.y = dp->bbox.y0;
dpe = (draw_path_element *) (((int *) &dp->path) + 12 / sizeof (int));
dpe->tag = draw_LINE_TO;
dpe->reserved[0] = dpe->reserved[1] = dpe->reserved[2] = 0;
dpe->data.line_to.x = x0 * 512;
dpe->data.line_to.y = (draw_plot_origin_y - y0) * 512;
dpe->data.line_to.x = dp->bbox.x0;
dpe->data.line_to.y = dp->bbox.y1;
dpe = (draw_path_element *) (((int *) &dp->path) + 24 / sizeof (int));
dpe->tag = draw_LINE_TO;
dpe->reserved[0] = dpe->reserved[1] = dpe->reserved[2] = 0;
dpe->data.line_to.x = x1 * 512;
dpe->data.line_to.y = (draw_plot_origin_y - y0) * 512;
dpe->data.line_to.x = dp->bbox.x1;
dpe->data.line_to.y = dp->bbox.y1;
dpe = (draw_path_element *) (((int *) &dp->path) + 36 / sizeof (int));
dpe->tag = draw_LINE_TO;
dpe->reserved[0] = dpe->reserved[1] = dpe->reserved[2] = 0;
dpe->data.line_to.x = x1 * 512;
dpe->data.line_to.y = (draw_plot_origin_y - y1) * 512;
dpe->data.line_to.x = dp->bbox.x1;
dpe->data.line_to.y = dp->bbox.y0;
dpe = (draw_path_element *) (((int *) &dp->path) + 48 / sizeof (int));
dpe->tag = draw_LINE_TO;
dpe->reserved[0] = dpe->reserved[1] = dpe->reserved[2] = 0;
dpe->data.line_to.x = x0 * 512;
dpe->data.line_to.y = (draw_plot_origin_y - y1) * 512;
dpe->data.line_to.x = dp->bbox.x0;
dpe->data.line_to.y = dp->bbox.y0;
dpe = (draw_path_element *) (((int *) &dp->path) + 60 / sizeof (int));
dpe->tag = draw_END_PATH;