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/*
* 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 <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <cairo-ft.h>
#include <fontconfig/fontconfig.h>
#include <fontconfig/fcfreetype.h>
#define FONT "6x13.pcf"
#define TEXT_SIZE 13
static cairo_bool_t
font_extents_equal (const cairo_font_extents_t *A,
const cairo_font_extents_t *B)
{
return
CAIRO_TEST_DOUBLE_EQUALS (A->ascent, B->ascent) &&
CAIRO_TEST_DOUBLE_EQUALS (A->descent, B->descent) &&
CAIRO_TEST_DOUBLE_EQUALS (A->height, B->height) &&
CAIRO_TEST_DOUBLE_EQUALS (A->max_x_advance, B->max_x_advance) &&
CAIRO_TEST_DOUBLE_EQUALS (A->max_y_advance, B->max_y_advance);
}
static cairo_test_status_t
check_font_extents (const cairo_test_context_t *ctx, cairo_t *cr, const char *comment)
{
cairo_font_extents_t font_extents, ref_font_extents = {11, 2, 13, 6, 0};
cairo_status_t status;
memset (&font_extents, 0xff, sizeof (cairo_font_extents_t));
cairo_font_extents (cr, &font_extents);
status = cairo_status (cr);
if (status)
return cairo_test_status_from_status (ctx, status);
if (! font_extents_equal (&font_extents, &ref_font_extents)) {
cairo_test_log (ctx, "Error: %s: cairo_font_extents(); extents (%g, %g, %g, %g, %g)\n",
comment,
font_extents.ascent, font_extents.descent,
font_extents.height,
font_extents.max_x_advance, font_extents.max_y_advance);
return CAIRO_TEST_FAILURE;
}
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
FcPattern *pattern;
cairo_font_face_t *font_face;
cairo_font_extents_t font_extents;
cairo_font_options_t *font_options;
cairo_status_t status;
char *filename;
int face_count;
struct stat stat_buf;
xasprintf (&filename, "%s/%s", ctx->srcdir, FONT);
if (stat (filename, &stat_buf) || ! S_ISREG (stat_buf.st_mode)) {
cairo_test_log (ctx, "Error finding font: %s: file not found?\n", filename);
return CAIRO_TEST_FAILURE;
}
pattern = FcFreeTypeQuery ((unsigned char *)filename, 0, NULL, &face_count);
free (filename);
if (! pattern) {
cairo_test_log (ctx, "FcFreeTypeQuery failed.\n");
return cairo_test_status_from_status (ctx, CAIRO_STATUS_NO_MEMORY);
}
font_face = cairo_ft_font_face_create_for_pattern (pattern);
FcPatternDestroy (pattern);
status = cairo_font_face_status (font_face);
if (status) {
cairo_test_log (ctx, "Error creating font face for %s: %s\n",
filename,
cairo_status_to_string (status));
return cairo_test_status_from_status (ctx, status);
}
if (cairo_font_face_get_type (font_face) != CAIRO_FONT_TYPE_FT) {
cairo_test_log (ctx, "Unexpected value from cairo_font_face_get_type: %d (expected %d)\n",
cairo_font_face_get_type (font_face), CAIRO_FONT_TYPE_FT);
cairo_font_face_destroy (font_face);
return CAIRO_TEST_FAILURE;
}
cairo_set_font_face (cr, font_face);
cairo_font_face_destroy (font_face);
font_options = cairo_font_options_create ();
#define CHECK_FONT_EXTENTS(comment) do {\
cairo_test_status_t test_status; \
test_status = check_font_extents (ctx, cr, (comment)); \
if (test_status != CAIRO_TEST_SUCCESS) { \
cairo_font_options_destroy (font_options); \
return test_status; \
} \
} while (0)
cairo_font_extents (cr, &font_extents);
CHECK_FONT_EXTENTS ("default");
cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_ON);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_ON");
cairo_move_to (cr, 1, font_extents.ascent - 1);
cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); /* blue */
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_ON HINT_STYLE_NONE");
cairo_show_text (cr, "the ");
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_SLIGHT);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_ON HINT_STYLE_SLIGHT");
cairo_show_text (cr, "quick ");
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_MEDIUM);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_ON HINT_STYLE_MEDIUM");
cairo_show_text (cr, "brown");
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_FULL);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_ON HINT_STYLE_FULL");
cairo_show_text (cr, " fox");
/* Switch from show_text to text_path/fill to exercise bug #7889 */
cairo_text_path (cr, " jumps over a lazy dog");
cairo_fill (cr);
/* And test it rotated as well for the sake of bug #7888 */
cairo_translate (cr, width, height);
cairo_rotate (cr, M_PI);
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_DEFAULT);
cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_OFF);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_OFF");
cairo_move_to (cr, 1, font_extents.height - font_extents.descent - 1);
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_OFF HINT_STYLE_NONE");
cairo_show_text (cr, "the ");
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_SLIGHT);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_OFF HINT_STYLE_SLIGHT");
cairo_show_text (cr, "quick");
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_MEDIUM);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_OFF HINT_STYLE_MEDIUM");
cairo_show_text (cr, " brown");
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_FULL);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_OFF HINT_STYLE_FULL");
cairo_show_text (cr, " fox");
cairo_text_path (cr, " jumps over");
cairo_text_path (cr, " a lazy dog");
cairo_fill (cr);
cairo_font_options_destroy (font_options);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (bitmap_font,
"Test drawing with a font consisting only of bitmaps"
"\nThe PDF and PS backends embed a slightly distorted font for the rotated case.",
"text", /* keywords */
"ft", /* requirements */
246 + 1, 2 * TEXT_SIZE,
NULL, draw)
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