C++ cairo_test_log函数代码示例

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本文整理汇总了C++中cairo_test_log函数的典型用法代码示例。如果您正苦于以下问题：C++ cairo_test_log函数的具体用法？C++ cairo_test_log怎么用？C++ cairo_test_log使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了cairo_test_log函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: draw

static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
    size_t i, j, k, x, y;

    for (k = 0; k < ARRAY_SIZE (clip_funcs); k++) {
	for (j = 0; j < ARRAY_SIZE (draw_funcs); j++) {
	    for (i = 0; i < ARRAY_SIZE (pattern_funcs); i++) {
		x = i * (WIDTH + PAD) + PAD;
		y = (ARRAY_SIZE (draw_funcs) * k + j) * (HEIGHT + PAD) + PAD;

		cairo_save (cr);

		cairo_move_to (cr, x, y);
		clip_funcs[k] (cr, x, y);
		pattern_funcs[i] (cr, x, y);
		draw_funcs[j] (cr, x, y);
		if (cairo_status (cr))
		    cairo_test_log ("%d %d HERE!\n", (int)i, (int)j);

		cairo_restore (cr);
	    }
	}
    }

    if (cairo_status (cr) != CAIRO_STATUS_SUCCESS)
	cairo_test_log ("%d %d .HERE!\n", (int)i, (int)j);

    return CAIRO_TEST_SUCCESS;
}

开发者ID:jfiguinha，项目名称:Regards，代码行数:30，代码来源:trap-clip.c

示例2: preamble

static cairo_test_status_t
preamble (cairo_test_context_t *ctx)
{
    int x,y;
    int width = 10;
    int height = 10;
    cairo_surface_t *surf;
    cairo_t *cr;
    int false_positive_count = 0;
    cairo_status_t status;
    cairo_test_status_t ret;

    surf = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
    cr = cairo_create (surf);
    cairo_surface_destroy (surf);

    /* Empty horizontal trapezoid. */
    cairo_move_to (cr, 0, height/3);
    cairo_line_to (cr, width, height/3);
    cairo_close_path (cr);

    /* Empty non-horizontal trapezoid #1. */
    cairo_move_to (cr, 0, 0);
    cairo_line_to (cr, width, height/2);
    cairo_close_path (cr);

    /* Empty non-horizontal trapezoid #2 intersecting #1. */
    cairo_move_to (cr, 0, height/2);
    cairo_line_to (cr, width, 0);
    cairo_close_path (cr);

    status = cairo_status (cr);

    /* Point sample the tessellated path. */
    for (y = 0; y < height; y++) {
	for (x = 0; x < width; x++) {
	    if (cairo_in_fill (cr, x, y)) {
		false_positive_count++;
	    }
	}
    }
    cairo_destroy (cr);

    /* Check that everything went well. */
    ret = CAIRO_TEST_SUCCESS;
    if (CAIRO_STATUS_SUCCESS != status) {
	cairo_test_log (ctx, "Failed to create a test surface and path: %s\n",
			cairo_status_to_string (status));
	ret = CAIRO_TEST_XFAILURE;
    }

    if (0 != false_positive_count) {
	cairo_test_log (ctx, "Point sampling found %d false positives "
			"from cairo_in_fill()\n",
			false_positive_count);
	ret = CAIRO_TEST_XFAILURE;
    }

    return ret;
}

开发者ID:AZed，项目名称:cairo，代码行数:60，代码来源:in-fill-empty-trapezoid.c

示例3: check_count

static cairo_bool_t
check_count (const cairo_test_context_t *ctx,
	     const char *message, cairo_bool_t uses_clip_rects,
             cairo_rectangle_list_t *list, int expected)
{
    if (!uses_clip_rects) {
        if (expected == 0 && list->num_rectangles == 0)
            return 1;
	if (list->num_rectangles == expected)
	    return 1;
	if (list->status == CAIRO_STATUS_CLIP_NOT_REPRESENTABLE)
	    return 1;
        cairo_test_log (ctx, "Error: %s; cairo_copy_clip_rectangle_list unexpectedly got %d rectangles\n",
                        message, list->num_rectangles);
        return 0;
    }

    if (list->status != CAIRO_STATUS_SUCCESS) {
        cairo_test_log (ctx, "Error: %s; cairo_copy_clip_rectangle_list failed with \"%s\"\n",
                        message, cairo_status_to_string(list->status));
        return 0;
    }

    if (list->num_rectangles == expected)
        return 1;
    cairo_test_log (ctx, "Error: %s; expected %d rectangles, got %d\n", message,
                    expected, list->num_rectangles);
    return 0;
}

开发者ID:jwmcglynn，项目名称:Gadgets，代码行数:29，代码来源:get-clip.c

示例4: main

int
main (void)
{
    cairo_test_context_t ctx;
    cairo_surface_t *surface;
    cairo_pattern_t *solid_rgb, *solid_rgba, *surface_pattern, *linear, *radial;
    cairo_test_status_t result = CAIRO_TEST_SUCCESS;

    cairo_test_init (&ctx, "pattern-get-type");
    cairo_test_log (&ctx, "Creating patterns of all types\n");

    solid_rgb = cairo_pattern_create_rgb (0.0, 0.1, 0.2);
    solid_rgba = cairo_pattern_create_rgba (0.3, 0.4, 0.5, 0.6);
    surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
					  1, 1);
    surface_pattern = cairo_pattern_create_for_surface (surface);
    linear = cairo_pattern_create_linear (0.0, 0.0, 10.0, 10.0);
    radial = cairo_pattern_create_radial (10.0, 10.0, 0.1,
					  10.0, 10.0, 1.0);

    cairo_test_log (&ctx, "Verifying return values of cairo_pattern_get_type\n");

    if (cairo_pattern_get_type (solid_rgb) != CAIRO_PATTERN_TYPE_SOLID)
	result = CAIRO_TEST_FAILURE;

    if (cairo_pattern_get_type (solid_rgba) != CAIRO_PATTERN_TYPE_SOLID)
	result = CAIRO_TEST_FAILURE;

    if (cairo_pattern_get_type (surface_pattern) != CAIRO_PATTERN_TYPE_SURFACE)
	result = CAIRO_TEST_FAILURE;

    if (cairo_pattern_get_type (linear) != CAIRO_PATTERN_TYPE_LINEAR)
	result = CAIRO_TEST_FAILURE;

    if (cairo_pattern_get_type (radial) != CAIRO_PATTERN_TYPE_RADIAL)
	result = CAIRO_TEST_FAILURE;

    cairo_test_log (&ctx, "Cleaning up\n");

    cairo_pattern_destroy (solid_rgb);
    cairo_pattern_destroy (solid_rgba);
    cairo_pattern_destroy (surface_pattern);
    cairo_surface_destroy (surface);
    cairo_pattern_destroy (linear);
    cairo_pattern_destroy (radial);

    cairo_test_fini (&ctx);

    return result;
}

开发者ID:3oyka，项目名称:cairo2，代码行数:50，代码来源:pattern-get-type.c

示例5: draw

static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
    const cairo_test_context_t *ctx = cairo_test_get_context (cr);
    char *filename;
    cairo_surface_t *surface;

    xasprintf (&filename, "%s/%s", ctx->srcdir,
	       "create-from-png.ref.png");

    surface = cairo_image_surface_create_from_png (filename);
    if (cairo_surface_status (surface)) {
	cairo_test_status_t result;

	result = cairo_test_status_from_status (ctx,
						cairo_surface_status (surface));
	if (result == CAIRO_TEST_FAILURE) {
	    cairo_test_log (ctx, "Error reading PNG image %s: %s\n",
			    filename,
			    cairo_status_to_string (cairo_surface_status (surface)));
	}

	free (filename);
	return result;
    }

    cairo_set_source_surface (cr, surface, 0, 0);
    cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST);
    cairo_paint (cr);

    cairo_surface_destroy (surface);

    free (filename);
    return CAIRO_TEST_SUCCESS;
}

开发者ID:499940913，项目名称:moon，代码行数:35，代码来源:create-from-png.c

示例6: preamble

static cairo_test_status_t
preamble (cairo_test_context_t *ctx)
{
    cairo_t *cr;
    const char *filename = "svg-clip.out.svg";
    cairo_surface_t *surface;

    if (! cairo_test_is_target_enabled (ctx, "svg11") &&
	! cairo_test_is_target_enabled (ctx, "svg12"))
    {
	return CAIRO_TEST_UNTESTED;
    }

    surface = cairo_svg_surface_create (filename,
					WIDTH_IN_POINTS, HEIGHT_IN_POINTS);
    if (cairo_surface_status (surface)) {
	cairo_test_log (ctx,
			"Failed to create svg surface for file %s: %s\n",
			filename, cairo_status_to_string (cairo_surface_status (surface)));
	return CAIRO_TEST_FAILURE;
    }

    cr = cairo_create (surface);

    test_clip (cr, WIDTH_IN_POINTS, HEIGHT_IN_POINTS);
    cairo_show_page (cr);

    cairo_destroy (cr);
    cairo_surface_destroy (surface);

    printf ("svg-clip: Please check %s to make sure it looks happy.\n",
	    filename);
    return CAIRO_TEST_SUCCESS;
}

开发者ID:499940913，项目名称:moon，代码行数:34，代码来源:svg-clip.c

示例7: draw

static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
    const cairo_test_context_t *ctx = cairo_test_get_context (cr);
    size_t i, j, x, y;
    cairo_pattern_t *pattern;

    cairo_select_font_face (cr, "Bitstream Vera Sans",
			    CAIRO_FONT_SLANT_NORMAL,
			    CAIRO_FONT_WEIGHT_NORMAL);

    for (j = 0; j < ARRAY_SIZE (draw_funcs); j++) {
	for (i = 0; i < ARRAY_SIZE (operators); i++) {
	    x = i * (WIDTH + PAD) + PAD;
	    y = j * (HEIGHT + PAD) + PAD;

	    cairo_save (cr);

	    pattern = cairo_pattern_create_linear (x + WIDTH, y,
						   x,         y + HEIGHT);
	    cairo_pattern_add_color_stop_rgba (pattern, 0.2,
					       0.0, 0.0, 1.0, 1.0); /* Solid blue */
	    cairo_pattern_add_color_stop_rgba (pattern, 0.8,
					       0.0, 0.0, 1.0, 0.0); /* Transparent blue */
	    cairo_set_source (cr, pattern);
	    cairo_pattern_destroy (pattern);

	    cairo_rectangle (cr, x, y, WIDTH, HEIGHT);
	    cairo_fill_preserve (cr);
	    cairo_clip (cr);

	    cairo_set_operator (cr, operators[i]);
	    cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);

	    draw_funcs[j] (cr, x, y);
	    if (cairo_status (cr))
		cairo_test_log (ctx, "%d %d HERE!\n", (int)i, (int)j);

	    cairo_restore (cr);
	}
    }

    if (cairo_status (cr) != CAIRO_STATUS_SUCCESS)
	cairo_test_log (ctx, "%d %d .HERE!\n", (int)i, (int)j);

    return CAIRO_TEST_SUCCESS;
}

开发者ID:3oyka，项目名称:cairo2，代码行数:47，代码来源:unbounded-operator.c

示例8: check_count

static cairo_bool_t
check_count (const cairo_test_context_t *ctx,
	     const char *message,
             cairo_rectangle_list_t *list, int expected)
{
    if (list->status != CAIRO_STATUS_SUCCESS) {
        cairo_test_log (ctx, "Error: %s; cairo_copy_clip_rectangle_list failed with \"%s\"\n",
                        message, cairo_status_to_string(list->status));
        return 0;
    }

    if (list->num_rectangles == expected)
        return 1;
    cairo_test_log (ctx, "Error: %s; expected %d rectangles, got %d\n", message,
                    expected, list->num_rectangles);
    return 0;
}

开发者ID:jaglass，项目名称:WinCairoRequirements，代码行数:17，代码来源:get-clip.c

示例9: xunlink

static void
xunlink (const char *pathname)
{
    if (unlink (pathname) < 0 && errno != ENOENT) {
	cairo_test_log ("Error: Cannot remove %s: %s\n",
			pathname, strerror (errno));
	exit (1);
    }
}

开发者ID:jfiguinha，项目名称:Regards，代码行数:9，代码来源:cairo-test.c

示例10: preamble

static cairo_test_status_t
preamble (cairo_test_context_t *ctx)
{
    cairo_surface_t *surface;
    cairo_t *cr;
    cairo_status_t status;
    size_t i;
    char *filename;
    const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : ".";

    if (! cairo_test_is_target_enabled (ctx, "pdf"))
	return CAIRO_TEST_UNTESTED;

    xasprintf (&filename, "%s/%s.pdf", path, BASENAME);

    /* The initial size passed here is the default size that will be
     * inheritable by each page. That is, any page for which this
     * initial size applies will not have its own /MediaBox entry in
     * its dictionary. */
    surface = cairo_pdf_surface_create (filename,
					INCHES_TO_POINTS(8.5),
					INCHES_TO_POINTS(11));

    cr = cairo_create (surface);

    cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans",
			    CAIRO_FONT_SLANT_NORMAL,
			    CAIRO_FONT_WEIGHT_NORMAL);
    cairo_set_font_size (cr, TEXT_SIZE);

    for (i = 0; i < ARRAY_LENGTH (pages); i++) {
	cairo_pdf_surface_set_size (surface,
				   pages[i].width_in_points,
				   pages[i].height_in_points);

	cairo_move_to (cr, TEXT_SIZE, TEXT_SIZE);
	cairo_show_text (cr, pages[i].page_size);
	cairo_show_text (cr, " - ");
	cairo_show_text (cr, pages[i].orientation);
	cairo_show_page (cr);
    }

    status = cairo_status (cr);

    cairo_destroy (cr);
    cairo_surface_destroy (surface);
    free (filename);

    if (status) {
	cairo_test_log (ctx, "Failed to create pdf surface for file %s: %s\n",
			filename, cairo_status_to_string (status));
	return CAIRO_TEST_FAILURE;
    }

    printf ("pdf-features: Please check %s to ensure it looks/prints correctly.\n", filename);
    return CAIRO_TEST_SUCCESS;
}

开发者ID:Frankie-666，项目名称:color-emoji.cairo，代码行数:57，代码来源:pdf-features.c

示例11: print_surface

static void
print_surface (const cairo_test_context_t *ctx, cairo_surface_t *surface)
{
    cairo_test_log (ctx,
		    "%s (%dx%d)\n",
		    format_to_string (cairo_image_surface_get_format (surface)),
		    cairo_image_surface_get_width (surface),
		    cairo_image_surface_get_height (surface));
}

开发者ID:Blueprintts，项目名称:npm-pdf2svg，代码行数:9，代码来源:png.c

示例12: xcalloc

static void *
xcalloc (const cairo_test_context_t *ctx, size_t a, size_t b)
{
    void *ptr = calloc (a, b);
    if (ptr == NULL) {
        cairo_test_log (ctx, "xlib-surface: unable to allocate memory, skipping\n");
        abort ();
    }
    return ptr;
}

开发者ID:Happy-Ferret，项目名称:webkit.js，代码行数:10，代码来源:xlib-surface.c

示例13: check_unrepresentable

static cairo_bool_t
check_unrepresentable (const cairo_test_context_t *ctx, const char *message, cairo_rectangle_list_t *list)
{
    if (list->status != CAIRO_STATUS_CLIP_NOT_REPRESENTABLE) {
        cairo_test_log (ctx, "Error: %s; cairo_copy_clip_rectangle_list got unexpected result \"%s\"\n"
                        " (we expected CAIRO_STATUS_CLIP_NOT_REPRESENTABLE)",
                        message, cairo_status_to_string(list->status));
        return 0;
    }
    return 1;
}

开发者ID:jaglass，项目名称:WinCairoRequirements，代码行数:11，代码来源:get-clip.c

示例14: double_buf_equal

static int
double_buf_equal (const cairo_test_context_t *ctx, double *a, double *b, int nc)
{
    int i;
    for (i = 0; i < nc; i++) {
        if (!CAIRO_TEST_DOUBLE_EQUALS(a[i],b[i])) {
            cairo_test_log (ctx, "Error: doubles not equal: %g, %g\n",
                            a[i], b[i]);
            return 0;
        }
    }
    return 1;
}

开发者ID:redheli，项目名称:cairo-gral，代码行数:13，代码来源:pattern-getters.c

示例15: check_clip_extents

static cairo_bool_t
check_clip_extents (const char *message, cairo_t *cr,
                    double x, double y, double width, double height)
{
    double ext_x1, ext_y1, ext_x2, ext_y2;
    cairo_clip_extents (cr, &ext_x1, &ext_y1, &ext_x2, &ext_y2);
    if (ext_x1 == x && ext_y1 == y && ext_x2 == x + width && ext_y2 == y + height)
        return 1;
    cairo_test_log ("Error: %s; clip extents %f,%f,%f,%f should be %f,%f,%f,%f\n",
                    message, ext_x1, ext_y1, ext_x2 - ext_x1, ext_y2 - ext_y1,
                    x, y, width, height);
    return 0;
}

开发者ID:jfiguinha，项目名称:Regards，代码行数:13，代码来源:get-clip.c

示例16: preamble

static cairo_test_status_t
preamble (cairo_test_context_t *ctx)
{
    cairo_surface_t *surface;
    cairo_test_status_t test_status;
    cairo_status_t status_before, status_after;
    unsigned int i;

    /* Test an error surface */
    for (i = 0; i < ARRAY_LENGTH (tests); i++) {
        surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, INT_MAX, INT_MAX);
        status_before = cairo_surface_status (surface);
        assert (status_before);

        test_status = tests[i].func (surface);

        status_after = cairo_surface_status (surface);
        cairo_surface_destroy (surface);

        if (test_status != CAIRO_TEST_SUCCESS) {
            cairo_test_log (ctx,
                            "Failed test %s with %d\n",
                            tests[i].name, (int) test_status);
            return test_status;
        }

        if (status_before != status_after) {
            cairo_test_log (ctx,
                            "Failed test %s: Modified surface status from %u (%s) to %u (%s)\n",
                            tests[i].name,
                            status_before, cairo_status_to_string (status_before),
                            status_after, cairo_status_to_string (status_after));
            return CAIRO_TEST_ERROR;
        }
    }

    return CAIRO_TEST_SUCCESS;
}

开发者ID:JamalAbuDayyeh，项目名称:pdf4ax，代码行数:38，代码来源:api-special-cases.c

示例17: check_rectangles_contain

static cairo_bool_t
check_rectangles_contain (const cairo_test_context_t *ctx,
			  const char *message,
                          cairo_rectangle_list_t *list,
                          double x, double y, double width, double height)
{
    int i;

    for (i = 0; i < list->num_rectangles; ++i) {
        if (list->rectangles[i].x == x && list->rectangles[i].y == y &&
            list->rectangles[i].width == width && list->rectangles[i].height == height)
            return 1;
    }
    cairo_test_log (ctx, "Error: %s; rectangle list does not contain rectangle %f,%f,%f,%f\n",
                    message, x, y, width, height);
    return 0;
}

开发者ID:jaglass，项目名称:WinCairoRequirements，代码行数:17，代码来源:get-clip.c

示例18: main

int
main (void)
{
    cairo_test_context_t ctx;
    cairo_t *cr;
    const char *filename = "svg-surface.svg";
    cairo_surface_t *surface;

    cairo_test_init (&ctx, "svg-surface");
    if (! (cairo_test_is_target_enabled (&ctx, "svg11") ||
	   cairo_test_is_target_enabled (&ctx, "svg12")))
    {
	cairo_test_fini (&ctx);
	return CAIRO_TEST_UNTESTED;
    }

    surface = cairo_svg_surface_create (filename,
					WIDTH_IN_POINTS, HEIGHT_IN_POINTS);
    if (cairo_surface_status (surface)) {
	cairo_test_log (&ctx,
			"Failed to create svg surface for file %s: %s\n",
			filename,
			cairo_status_to_string (cairo_surface_status (surface)));
	cairo_test_fini (&ctx);
	return CAIRO_TEST_FAILURE;
    }

    cr = cairo_create (surface);

    draw (cr, WIDTH_IN_POINTS, HEIGHT_IN_POINTS);

    cairo_show_page (cr);

    cairo_destroy (cr);
    cairo_surface_destroy (surface);

    printf ("svg-surface: Please check svg-surface.svg to make sure it looks happy.\n");

    cairo_test_fini (&ctx);

    return CAIRO_TEST_SUCCESS;
}

开发者ID:3oyka，项目名称:cairo2，代码行数:42，代码来源:svg-surface.c

示例19: check_font_extents

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;
}

开发者ID:Happy-Ferret，项目名称:webkit.js，代码行数:24，代码来源:bitmap-font.c

示例20: draw

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);
//.........这里部分代码省略.........

开发者ID:Happy-Ferret，项目名称:webkit.js，代码行数:101，代码来源:bitmap-font.c

注：本文中的cairo_test_log函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。