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/*
* Copyright © 2006 Jinghua Luo
*
* 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.
*
* JINGHUA LUO 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: Jinghua Luo <sunmoon1997@gmail.com>
* Derived from:
* text-antialias-none.c,
* ft-font-create-for-ft-face.c.
* Original Author: Carl D. Worth <cworth@cworth.org>
*/
#include "cairo-test.h"
#include <cairo-ft.h>
#define WIDTH 80
#define HEIGHT 200
#define TEXT_SIZE 30
static cairo_test_draw_function_t draw;
cairo_test_t test = {
"ft-text-vertical-layout-type3",
"Tests text rendering for vertical layout with TrueType fonts",
WIDTH, HEIGHT,
draw
};
static cairo_scaled_font_t *
create_scaled_font (cairo_t * cr)
{
FcPattern *pattern, *resolved;
FcResult result;
cairo_font_face_t *font_face;
cairo_scaled_font_t *scaled_font;
cairo_font_options_t *font_options;
cairo_matrix_t font_matrix, ctm;
double pixel_size;
font_options = cairo_font_options_create ();
cairo_get_font_options (cr, font_options);
pattern = FcPatternCreate ();
FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *)"Bitstream Vera Sans");
FcPatternAddDouble (pattern, FC_PIXEL_SIZE, TEXT_SIZE);
FcConfigSubstitute (NULL, pattern, FcMatchPattern);
cairo_ft_font_options_substitute (font_options, pattern);
FcDefaultSubstitute (pattern);
resolved = FcFontMatch (NULL, pattern, &result);
/* set layout to vertical */
FcPatternDel (resolved, FC_VERTICAL_LAYOUT);
FcPatternAddBool (resolved, FC_VERTICAL_LAYOUT, FcTrue);
FcPatternGetDouble (resolved, FC_PIXEL_SIZE, 0, &pixel_size);
font_face = cairo_ft_font_face_create_for_pattern (resolved);
cairo_matrix_init_translate (&font_matrix, 10, 30);
cairo_matrix_rotate (&font_matrix, M_PI_2/3);
cairo_matrix_scale (&font_matrix, pixel_size, pixel_size);
cairo_get_matrix (cr, &ctm);
scaled_font = cairo_scaled_font_create (font_face,
&font_matrix,
&ctm,
font_options);
cairo_font_options_destroy (font_options);
cairo_font_face_destroy (font_face);
FcPatternDestroy (pattern);
FcPatternDestroy (resolved);
return scaled_font;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_text_extents_t extents;
cairo_scaled_font_t * scaled_font;
static char text[] = "i-W";
double line_width, x, y;
line_width = cairo_get_line_width (cr);
/* We draw in the default black, so paint white first. */
cairo_save (cr);
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
cairo_paint (cr);
cairo_restore (cr);
scaled_font = create_scaled_font (cr);
cairo_set_scaled_font (cr, scaled_font);
cairo_set_line_width (cr, 1.0);
cairo_set_source_rgb (cr, 0, 0, 0); /* black */
cairo_text_extents (cr, text, &extents);
x = width - (extents.width + extents.x_bearing) - 5;
y = height - (extents.height + extents.y_bearing) - 5;
cairo_move_to (cr, x, y);
cairo_show_text (cr, text);
cairo_rectangle (cr,
x + extents.x_bearing - line_width / 2,
y + extents.y_bearing - line_width / 2,
extents.width + line_width,
extents.height + line_width);
cairo_stroke (cr);
cairo_set_source_rgb (cr, 0, 0, 1); /* blue */
cairo_text_extents (cr, text, &extents);
x = -extents.x_bearing + 5;
y = -extents.y_bearing + 5;
cairo_move_to (cr, x, y);
cairo_text_path (cr, text);
cairo_fill (cr);
cairo_rectangle (cr,
x + extents.x_bearing - line_width / 2,
y + extents.y_bearing - line_width / 2,
extents.width + line_width,
extents.height + line_width);
cairo_stroke (cr);
cairo_scaled_font_destroy (scaled_font);
return CAIRO_TEST_SUCCESS;
}
int
main (void)
{
return cairo_test (&test);
}
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