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[test/ft-text-*] Check for errors from fontconfig.

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If a match cannot be found, or if any other error occured, then fontconfig
will return NULL. Check and propagate.
This commit is contained in:
Chris Wilson 2008-10-16 16:20:28 +01:00
parent 336eddfdbb
commit eaec1caa94
3 changed files with 78 additions and 15 deletions
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31
test/ft-text-antialias-none.c
View file

@ -42,8 +42,9 @@ static const cairo_test_t test = {
draw
};
static cairo_scaled_font_t *
create_scaled_font (cairo_t * cr)
static cairo_status_t
create_scaled_font (cairo_t * cr,
cairo_scaled_font_t **out)
{
FcPattern *pattern, *resolved;
FcResult result;
@ -51,6 +52,7 @@ create_scaled_font (cairo_t * cr)
cairo_scaled_font_t *scaled_font;
cairo_font_options_t *font_options;
cairo_matrix_t font_matrix, ctm;
cairo_status_t status;
double pixel_size;
font_options = cairo_font_options_create ();
@ -58,6 +60,8 @@ create_scaled_font (cairo_t * cr)
cairo_get_font_options (cr, font_options);
pattern = FcPatternCreate ();
if (pattern == NULL)
return CAIRO_STATUS_NO_MEMORY;
FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *)"Bitstream vera sans");
FcPatternAddDouble (pattern, FC_SIZE, TEXT_SIZE);
@ -67,6 +71,10 @@ create_scaled_font (cairo_t * cr)
FcDefaultSubstitute (pattern);
resolved = FcFontMatch (NULL, pattern, &result);
if (resolved == NULL) {
FcPatternDestroy (pattern);
return CAIRO_STATUS_NO_MEMORY;
}
/* turn antialiasing off */
FcPatternDel (resolved, FC_ANTIALIAS);
@ -91,14 +99,22 @@ create_scaled_font (cairo_t * cr)
FcPatternDestroy (pattern);
FcPatternDestroy (resolved);
return scaled_font;
status = cairo_scaled_font_status (scaled_font);
if (status) {
cairo_scaled_font_destroy (scaled_font);
return status;
}
*out = scaled_font;
return CAIRO_STATUS_SUCCESS;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_text_extents_t extents;
cairo_scaled_font_t * scaled_font;
cairo_scaled_font_t *scaled_font;
cairo_status_t status;
const char black[] = "black", blue[] = "blue";
/* We draw in the default black, so paint white first. */
@ -107,7 +123,12 @@ draw (cairo_t *cr, int width, int height)
cairo_paint (cr);
cairo_restore (cr);
scaled_font = create_scaled_font (cr);
status = create_scaled_font (cr, &scaled_font);
if (status) {
return cairo_test_status_from_status (cairo_test_get_context (cr),
status);
}
cairo_set_scaled_font (cr, scaled_font);
cairo_set_source_rgb (cr, 0, 0, 0); /* black */

31
test/ft-text-vertical-layout-type1.c
View file

@ -43,8 +43,9 @@ static const cairo_test_t test = {
draw
};
static cairo_scaled_font_t *
create_scaled_font (cairo_t * cr)
static cairo_status_t
create_scaled_font (cairo_t * cr,
cairo_scaled_font_t **out)
{
FcPattern *pattern, *resolved;
FcResult result;
@ -52,6 +53,7 @@ create_scaled_font (cairo_t * cr)
cairo_scaled_font_t *scaled_font;
cairo_font_options_t *font_options;
cairo_matrix_t font_matrix, ctm;
cairo_status_t status;
double pixel_size;
font_options = cairo_font_options_create ();
@ -59,6 +61,8 @@ create_scaled_font (cairo_t * cr)
cairo_get_font_options (cr, font_options);
pattern = FcPatternCreate ();
if (pattern == NULL)
return CAIRO_STATUS_NO_MEMORY;
FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *)"Nimbus Sans L");
FcPatternAddDouble (pattern, FC_PIXEL_SIZE, TEXT_SIZE);
@ -68,6 +72,10 @@ create_scaled_font (cairo_t * cr)
FcDefaultSubstitute (pattern);
resolved = FcFontMatch (NULL, pattern, &result);
if (resolved == NULL) {
FcPatternDestroy (pattern);
return CAIRO_STATUS_NO_MEMORY;
}
/* set layout to vertical */
FcPatternDel (resolved, FC_VERTICAL_LAYOUT);
@ -93,14 +101,22 @@ create_scaled_font (cairo_t * cr)
FcPatternDestroy (pattern);
FcPatternDestroy (resolved);
return scaled_font;
status = cairo_scaled_font_status (scaled_font);
if (status) {
cairo_scaled_font_destroy (scaled_font);
return status;
}
*out = scaled_font;
return CAIRO_STATUS_SUCCESS;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_text_extents_t extents;
cairo_scaled_font_t * scaled_font;
cairo_scaled_font_t *scaled_font;
cairo_status_t status;
const char text[] = "i-W";
double line_width, x, y;
@ -112,7 +128,12 @@ draw (cairo_t *cr, int width, int height)
cairo_paint (cr);
cairo_restore (cr);
scaled_font = create_scaled_font (cr);
status = create_scaled_font (cr, &scaled_font);
if (status) {
return cairo_test_status_from_status (cairo_test_get_context (cr),
status);
}
cairo_set_scaled_font (cr, scaled_font);
cairo_set_line_width (cr, 1.0);

31
test/ft-text-vertical-layout-type3.c
View file

@ -42,8 +42,9 @@ static const cairo_test_t test = {
draw
};
static cairo_scaled_font_t *
create_scaled_font (cairo_t * cr)
static cairo_status_t
create_scaled_font (cairo_t * cr,
cairo_scaled_font_t **out)
{
FcPattern *pattern, *resolved;
FcResult result;
@ -51,6 +52,7 @@ create_scaled_font (cairo_t * cr)
cairo_scaled_font_t *scaled_font;
cairo_font_options_t *font_options;
cairo_matrix_t font_matrix, ctm;
cairo_status_t status;
double pixel_size;
font_options = cairo_font_options_create ();
@ -58,6 +60,8 @@ create_scaled_font (cairo_t * cr)
cairo_get_font_options (cr, font_options);
pattern = FcPatternCreate ();
if (pattern == NULL)
return CAIRO_STATUS_NO_MEMORY;
FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *)"Bitstream Vera Sans");
FcPatternAddDouble (pattern, FC_PIXEL_SIZE, TEXT_SIZE);
@ -67,6 +71,10 @@ create_scaled_font (cairo_t * cr)
FcDefaultSubstitute (pattern);
resolved = FcFontMatch (NULL, pattern, &result);
if (resolved == NULL) {
FcPatternDestroy (pattern);
return CAIRO_STATUS_NO_MEMORY;
}
/* set layout to vertical */
FcPatternDel (resolved, FC_VERTICAL_LAYOUT);
@ -92,14 +100,22 @@ create_scaled_font (cairo_t * cr)
FcPatternDestroy (pattern);
FcPatternDestroy (resolved);
return scaled_font;
status = cairo_scaled_font_status (scaled_font);
if (status) {
cairo_scaled_font_destroy (scaled_font);
return status;
}
*out = scaled_font;
return CAIRO_STATUS_SUCCESS;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_text_extents_t extents;
cairo_scaled_font_t * scaled_font;
cairo_scaled_font_t *scaled_font;
cairo_status_t status;
const char text[] = "i-W";
double line_width, x, y;
@ -111,7 +127,12 @@ draw (cairo_t *cr, int width, int height)
cairo_paint (cr);
cairo_restore (cr);
scaled_font = create_scaled_font (cr);
status = create_scaled_font (cr, &scaled_font);
if (status) {
return cairo_test_status_from_status (cairo_test_get_context (cr),
status);
}
cairo_set_scaled_font (cr, scaled_font);
cairo_set_line_width (cr, 1.0);