diff options
author | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
commit | 530ffd0b7d3c39757b20f00716e486b5caf89aff (patch) | |
tree | 76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/perf/micro/mosaic.c | |
parent | 3dbe9332e47c143a237db12440f134caebd1cfbe (diff) |
add cairo
Diffstat (limited to 'libs/cairo-1.16.0/perf/micro/mosaic.c')
-rw-r--r-- | libs/cairo-1.16.0/perf/micro/mosaic.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/perf/micro/mosaic.c b/libs/cairo-1.16.0/perf/micro/mosaic.c new file mode 100644 index 0000000..ed30ae5 --- /dev/null +++ b/libs/cairo-1.16.0/perf/micro/mosaic.c @@ -0,0 +1,176 @@ +/* + * Copyright © 2006 Joonas Pihlaja + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + */ +#include "cairo-perf.h" + +/* Options passed in flags to mosaic_perform(): */ +#define MOSAIC_FILL 1 /* do rasterise */ +#define MOSAIC_TESSELLATE 0 /* just tessellate */ +#define MOSAIC_CURVE_TO 2 /* use curve bounded regions */ +#define MOSAIC_LINE_TO 0 /* use line bounded regions */ + +struct mosaic_region { + unsigned rgb; /* colour of this region in 0xRRGGBB format */ + unsigned ncurves; /* number of boundary curves. */ +}; + +struct mosaic_region_iter { + int do_curves; + struct mosaic_region const *region; + double const *points; +}; + +#include "mosaic.h" + +static void +mosaic_region_iter_init (struct mosaic_region_iter *iter, int do_curves) +{ + iter->region = mosaic_regions; + iter->points = mosaic_curve_points; + iter->do_curves = do_curves; +} + +/* Create the next closed region as a path. */ +static int +mosaic_next_path (cairo_t *cr, struct mosaic_region_iter *iter) +{ + double const *points = iter->points; + unsigned i; + unsigned ncurves = iter->region->ncurves; + if (0 == ncurves) { + return 0; + } + + cairo_new_path (cr); + cairo_move_to (cr, points[0], points[1]); + points += 2; + for (i=0; i < ncurves; i++, points += 6) { + if (iter->do_curves) { + cairo_curve_to (cr, + points[0], points[1], + points[2], points[3], + points[4], points[5]); + } + else { + cairo_line_to (cr, + points[4], points[5]); + } + } + cairo_close_path (cr); + { + unsigned rgb = iter->region->rgb; + double r = ((rgb >> 16) & 255) / 255.0; + double g = ((rgb >> 8) & 255) / 255.0; + double b = ((rgb >> 0) & 255) / 255.0; + cairo_set_source_rgb (cr, r, g, b); + } + + iter->points = iter->points + 2*(1 + 3*iter->region->ncurves); + iter->region++; + return 1; +} + +static cairo_time_t +mosaic_perform(cairo_t *cr, unsigned flags, int width, int height, int loops) +{ + struct mosaic_region_iter iter; + + /* Scale to fit the window.*/ + double minx = -40.7; + double maxx = 955.1; + double miny = -88.4; + double maxy = 884.5; + + cairo_identity_matrix (cr); + + if (flags & MOSAIC_FILL) { + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_rectangle (cr, 0, 0, width, height); + cairo_fill (cr); + } + + cairo_scale (cr, width / (maxx - minx) , height / (maxy - miny)); + cairo_translate (cr, -minx, -miny); + + /* Iterate over all closed regions in the mosaic filling or + * tessellating them as dictated by the flags. */ + + cairo_perf_timer_start (); + while (loops--) { + mosaic_region_iter_init (&iter, flags & MOSAIC_CURVE_TO); + while (mosaic_next_path (cr, &iter)) { + if (flags & MOSAIC_FILL) { + cairo_fill (cr); + } + else { + double x, y; + cairo_get_current_point (cr, &x, &y); + cairo_in_fill (cr, x, y); + } + } + } + cairo_perf_timer_stop (); + + return cairo_perf_timer_elapsed (); +} + +static cairo_time_t +mosaic_fill_curves (cairo_t *cr, int width, int height, int loops) +{ + return mosaic_perform (cr, MOSAIC_FILL | MOSAIC_CURVE_TO, width, height, loops); +} + +static cairo_time_t +mosaic_fill_lines (cairo_t *cr, int width, int height, int loops) +{ + return mosaic_perform (cr, MOSAIC_FILL | MOSAIC_LINE_TO, width, height, loops); +} + +static cairo_time_t +mosaic_tessellate_lines (cairo_t *cr, int width, int height, int loops) +{ + return mosaic_perform (cr, MOSAIC_TESSELLATE | MOSAIC_LINE_TO, width, height, loops); +} + +static cairo_time_t +mosaic_tessellate_curves (cairo_t *cr, int width, int height, int loops) +{ + return mosaic_perform (cr, MOSAIC_TESSELLATE | MOSAIC_CURVE_TO, width, height, loops); +} + +cairo_bool_t +mosaic_enabled (cairo_perf_t *perf) +{ + return cairo_perf_can_run (perf, "mosaic", NULL); +} + +void +mosaic (cairo_perf_t *perf, cairo_t *cr, int width, int height) +{ + cairo_perf_run (perf, "mosaic-fill-curves", mosaic_fill_curves, NULL); + cairo_perf_run (perf, "mosaic-fill-lines", mosaic_fill_lines, NULL); + cairo_perf_run (perf, "mosaic-tessellate-curves", mosaic_tessellate_curves, NULL); + cairo_perf_run (perf, "mosaic-tessellate-lines", mosaic_tessellate_lines, NULL); +} |