| /* |
| * 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 <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 |
| |
| #include "cairo-test.h" |
| |
| /* 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) |
| |
| 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; |
| const char *filename; |
| cairo_test_status_t result = CAIRO_TEST_UNTESTED; |
| |
| #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; |
| |
| filename = "multi-page.out.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); |
| } |
| #endif |
| |
| #if CAIRO_HAS_PDF_SURFACE |
| if (cairo_test_is_target_enabled (ctx, "pdf")) { |
| if (result == CAIRO_TEST_UNTESTED) |
| result = CAIRO_TEST_SUCCESS; |
| |
| filename = "multi-page.out.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); |
| } |
| #endif |
| |
| return result; |
| } |
| |
| CAIRO_TEST (multi_page, |
| "Check the paginated surfaces handle multiple pages.", |
| "paginated", /* keywords */ |
| "target=vector", /* requirements */ |
| 0, 0, |
| preamble, NULL) |