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[test/get-path-extents] Exercise cairo_scaled_font_text_extents()

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Compare cairo_scaled_font_text_extents() to cairo_text_extents() in
order to provide test coverage of cairo_scaled_font_text_extents().
This commit is contained in:
Chris Wilson 2008-01-17 13:51:21 +00:00
parent dbc97c2576
commit 7b1a0eddac
1 changed files with 18 additions and 1 deletions
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19
test/get-path-extents.c
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@ -102,7 +102,7 @@ draw (cairo_t *cr, int width, int height)
cairo_surface_t *surface;
cairo_t *cr2;
const char *phase;
cairo_text_extents_t extents;
cairo_text_extents_t extents, scaled_font_extents;
cairo_test_status_t ret = CAIRO_TEST_SUCCESS;
surface = cairo_surface_create_similar (cairo_get_group_target (cr),
@ -219,6 +219,23 @@ draw (cairo_t *cr, int width, int height)
CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size (cr2, 12);
cairo_text_extents (cr2, "The quick brown fox jumped over the lazy dog.", &extents);
/* double check that the two methods of measuring the text agree... */
cairo_scaled_font_text_extents (cairo_get_scaled_font (cr2),
"The quick brown fox jumped over the lazy dog.",
&scaled_font_extents);
if (memcmp (&extents, &scaled_font_extents, sizeof (extents))) {
cairo_test_log ("Error: cairo_text_extents() does not match cairo_scaled_font_text_extents() - font extents (%f, %f) x (%f, %f) should be (%f, %f) x (%f, %f)\n",
scaled_font_extents.x_bearing,
scaled_font_extents.y_bearing,
scaled_font_extents.width,
scaled_font_extents.height,
extents.x_bearing,
extents.y_bearing,
extents.width,
extents.height);
ret = CAIRO_TEST_FAILURE;
}
cairo_move_to (cr2, -extents.x_bearing, -extents.y_bearing);
cairo_text_path (cr2, "The quick brown fox jumped over the lazy dog.");
cairo_set_line_width (cr2, 2.0);