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-rw-r--r--perf/micro/long-lines.c148
1 files changed, 0 insertions, 148 deletions
diff --git a/perf/micro/long-lines.c b/perf/micro/long-lines.c
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--- a/perf/micro/long-lines.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * Copyright © 2006 Red Hat, Inc.
- *
- * 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: Carl D. Worth <cworth@cworth.org>
- */
-
-#include "cairo-perf.h"
-
-/* This test case is designed to illustrate a performance bug in
- * drawing very long lines, where most of the line is out of bounds of
- * the destination surface, (but some portion of the line is
- * visibile). These results are in the "long-lines-uncropped" report.
- *
- * For comparison, this test also renders the visible portions of the
- * same lines, (this is the "long-lines-cropped" report).
- */
-
-typedef enum {
- LONG_LINES_CROPPED = 0x1,
- LONG_LINES_ONCE = 0x2,
-} long_lines_crop_t;
-#define NUM_LINES 20
-#define LONG_FACTOR 50.0
-
-static cairo_time_t
-do_long_lines (cairo_t *cr, int width, int height, int loops, long_lines_crop_t crop)
-{
- int i;
- double x, y, dx, dy, min_x, min_y, max_x, max_y;
- double outer_width, outer_height;
-
- cairo_save (cr);
-
- cairo_translate (cr, width / 2, height / 2);
-
- if (crop & LONG_LINES_CROPPED) {
- outer_width = width;
- outer_height = height;
- cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); /* green */
- } else {
- outer_width = LONG_FACTOR * width;
- outer_height = LONG_FACTOR * height;
- cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); /* red */
- }
-
- min_x = x = - outer_width / 2.0;
- min_y = y = - outer_height / 2.0;
- max_x = outer_width / 2.0;
- max_y = outer_height / 2.0;
- dx = outer_width / NUM_LINES;
- dy = outer_height / NUM_LINES;
-
- cairo_perf_timer_start ();
-
- while (loops--) {
- for (i = 0; i <= NUM_LINES; i++) {
- cairo_move_to (cr, 0, 0);
- cairo_line_to (cr, x, min_y);
- if ((crop & LONG_LINES_ONCE) == 0)
- cairo_stroke (cr);
-
- cairo_move_to (cr, 0, 0);
- cairo_line_to (cr, x, max_y);
- if ((crop & LONG_LINES_ONCE) == 0)
- cairo_stroke (cr);
-
- cairo_move_to (cr, 0, 0);
- cairo_line_to (cr, min_x, y);
- if ((crop & LONG_LINES_ONCE) == 0)
- cairo_stroke (cr);
-
- cairo_move_to (cr, 0, 0);
- cairo_line_to (cr, max_x, y);
- if ((crop & LONG_LINES_ONCE) == 0)
- cairo_stroke (cr);
-
- x += dx;
- y += dy;
- }
- if (crop & LONG_LINES_ONCE)
- cairo_stroke (cr);
- }
-
- cairo_perf_timer_stop ();
-
- cairo_restore (cr);
-
- return cairo_perf_timer_elapsed ();
-}
-
-static cairo_time_t
-long_lines_uncropped (cairo_t *cr, int width, int height, int loops)
-{
- return do_long_lines (cr, width, height, loops, 0);
-}
-
-static cairo_time_t
-long_lines_uncropped_once (cairo_t *cr, int width, int height, int loops)
-{
- return do_long_lines (cr, width, height, loops, LONG_LINES_ONCE);
-}
-
-static cairo_time_t
-long_lines_cropped (cairo_t *cr, int width, int height, int loops)
-{
- return do_long_lines (cr, width, height, loops, LONG_LINES_CROPPED);
-}
-
-static cairo_time_t
-long_lines_cropped_once (cairo_t *cr, int width, int height, int loops)
-{
- return do_long_lines (cr, width, height, loops, LONG_LINES_CROPPED | LONG_LINES_ONCE);
-}
-
-cairo_bool_t
-long_lines_enabled (cairo_perf_t *perf)
-{
- return cairo_perf_can_run (perf, "long-lines", NULL);
-}
-
-void
-long_lines (cairo_perf_t *perf, cairo_t *cr, int width, int height)
-{
- cairo_perf_run (perf, "long-lines-uncropped", long_lines_uncropped, NULL);
- cairo_perf_run (perf, "long-lines-uncropped-once", long_lines_uncropped_once, NULL);
- cairo_perf_run (perf, "long-lines-cropped", long_lines_cropped, NULL);
- cairo_perf_run (perf, "long-lines-cropped-once", long_lines_cropped_once, NULL);
-}