diff options
Diffstat (limited to 'libs/cairo-1.16.0/perf/micro/long-lines.c')
| -rw-r--r-- | libs/cairo-1.16.0/perf/micro/long-lines.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/libs/cairo-1.16.0/perf/micro/long-lines.c b/libs/cairo-1.16.0/perf/micro/long-lines.c deleted file mode 100644 index 7bfe624..0000000 --- a/libs/cairo-1.16.0/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 - * visible). 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); -} |