diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/multi-page.c')
| -rw-r--r-- | libs/cairo-1.16.0/test/multi-page.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/multi-page.c b/libs/cairo-1.16.0/test/multi-page.c new file mode 100644 index 0000000..a3102db --- /dev/null +++ b/libs/cairo-1.16.0/test/multi-page.c @@ -0,0 +1,198 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#include <stdio.h> + +#include <cairo.h> + +#if CAIRO_HAS_PS_SURFACE +#include <cairo-ps.h> +#endif + +#if CAIRO_HAS_PDF_SURFACE +#include <cairo-pdf.h> +#endif + +/* The PostScript and PDF backends are now integrated into the main + * test suite, so we are getting good verification of most things + * there. + * + * One thing that isn't supported there yet is multi-page output. So, + * for now we have this one-off test. There's no automatic + * verififcation here yet, but you can manually view the output to + * make sure it looks happy. + */ + +#define WIDTH_IN_INCHES 3 +#define HEIGHT_IN_INCHES 3 +#define WIDTH_IN_POINTS (WIDTH_IN_INCHES * 72.0) +#define HEIGHT_IN_POINTS (HEIGHT_IN_INCHES * 72.0) +#define BASENAME "multi-page.out" + +static void +draw_smiley (cairo_t *cr, double width, double height, double smile_ratio) +{ +#define STROKE_WIDTH .04 + double size; + + double theta = M_PI / 4 * smile_ratio; + double dx = sqrt (0.005) * cos (theta); + double dy = sqrt (0.005) * sin (theta); + + cairo_save (cr); + + if (width > height) + size = height; + else + size = width; + + cairo_translate (cr, (width - size) / 2.0, (height - size) / 2.0); + cairo_scale (cr, size, size); + + /* Fill face */ + cairo_arc (cr, 0.5, 0.5, 0.5 - STROKE_WIDTH, 0, 2 * M_PI); + cairo_set_source_rgb (cr, 1, 1, 0); + cairo_fill_preserve (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + + /* Stroke face */ + cairo_set_line_width (cr, STROKE_WIDTH / 2.0); + cairo_stroke (cr); + + /* Eyes */ + cairo_set_line_width (cr, STROKE_WIDTH); + cairo_arc (cr, 0.3, 0.4, STROKE_WIDTH, 0, 2 * M_PI); + cairo_fill (cr); + cairo_arc (cr, 0.7, 0.4, STROKE_WIDTH, 0, 2 * M_PI); + cairo_fill (cr); + + /* Mouth */ + cairo_move_to (cr, + 0.35 - dx, 0.75 - dy); + cairo_curve_to (cr, + 0.35 + dx, 0.75 + dy, + 0.65 - dx, 0.75 + dy, + 0.65 + dx, 0.75 - dy); + cairo_stroke (cr); + + cairo_restore (cr); +} + +static void +draw_some_pages (cairo_surface_t *surface) +{ + cairo_t *cr; + int i; + + cr = cairo_create (surface); + +#define NUM_FRAMES 5 + for (i=0; i < NUM_FRAMES; i++) { + draw_smiley (cr, WIDTH_IN_POINTS, HEIGHT_IN_POINTS, + (double) i / (NUM_FRAMES - 1)); + + /* Duplicate the last frame onto another page. (This is just a + * way to sneak cairo_copy_page into the test). + */ + if (i == (NUM_FRAMES - 1)) + cairo_copy_page (cr); + + cairo_show_page (cr); + } + + cairo_destroy (cr); +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_surface_t *surface; + cairo_status_t status; + char *filename; + cairo_test_status_t result = CAIRO_TEST_UNTESTED; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + +#if CAIRO_HAS_PS_SURFACE + if (cairo_test_is_target_enabled (ctx, "ps2") || + cairo_test_is_target_enabled (ctx, "ps3")) + { + if (result == CAIRO_TEST_UNTESTED) + result = CAIRO_TEST_SUCCESS; + + xasprintf (&filename, "%s/%s", path, BASENAME ".ps"); + surface = cairo_ps_surface_create (filename, + WIDTH_IN_POINTS, HEIGHT_IN_POINTS); + status = cairo_surface_status (surface); + if (status) { + cairo_test_log (ctx, "Failed to create ps surface for file %s: %s\n", + filename, cairo_status_to_string (status)); + result = CAIRO_TEST_FAILURE; + } + + draw_some_pages (surface); + + cairo_surface_destroy (surface); + + printf ("multi-page: Please check %s to ensure it looks happy.\n", filename); + free (filename); + } +#endif + +#if CAIRO_HAS_PDF_SURFACE + if (cairo_test_is_target_enabled (ctx, "pdf")) { + if (result == CAIRO_TEST_UNTESTED) + result = CAIRO_TEST_SUCCESS; + + xasprintf (&filename, "%s/%s", path, BASENAME ".pdf"); + surface = cairo_pdf_surface_create (filename, + WIDTH_IN_POINTS, HEIGHT_IN_POINTS); + status = cairo_surface_status (surface); + if (status) { + cairo_test_log (ctx, "Failed to create pdf surface for file %s: %s\n", + filename, cairo_status_to_string (status)); + result = CAIRO_TEST_FAILURE; + } + + draw_some_pages (surface); + + cairo_surface_destroy (surface); + + printf ("multi-page: Please check %s to ensure it looks happy.\n", filename); + free (filename); + } +#endif + + return result; +} + +CAIRO_TEST (multi_page, + "Check the paginated surfaces handle multiple pages.", + "paginated", /* keywords */ + "target=vector", /* requirements */ + 0, 0, + preamble, NULL) |