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[test] Stress the ft from-face cache

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Create a set of font faces using the same FT_Face to stress test the
handling of from-face fonts within the backend cache.
This commit is contained in:
Chris Wilson 2009-05-15 20:37:52 +01:00
parent 477df1f550
commit c897f36a6b
1 changed files with 102 additions and 7 deletions
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109
test/ft-font-create-for-ft-face.c
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@ -26,6 +26,84 @@
#include "cairo-test.h"
#include <cairo-ft.h>
static void
_stress_font_cache (FT_Face ft_face, cairo_t *cr, int lvl);
static cairo_font_face_t *
_load_font (FT_Face ft_face, int flags, cairo_t *cr, int lvl)
{
cairo_font_face_t *font_face;
cairo_font_extents_t font_extents;
_stress_font_cache (ft_face, cr, lvl+1);
font_face = cairo_ft_font_face_create_for_ft_face (ft_face, flags);
cairo_set_font_face (cr, font_face);
cairo_font_extents (cr, &font_extents);
_stress_font_cache (ft_face, cr, lvl+1);
return font_face;
}
static void
_stress_font_cache (FT_Face ft_face, cairo_t *cr, int lvl)
{
#define A _load_font (ft_face, 0, cr, lvl)
#define B _load_font (ft_face, FT_LOAD_NO_BITMAP, cr, lvl)
#define C _load_font (ft_face, FT_LOAD_NO_RECURSE, cr, lvl)
#define D _load_font (ft_face, FT_LOAD_FORCE_AUTOHINT, cr, lvl)
cairo_font_face_t *font_face[4];
while (lvl++ < 5) {
font_face[0] = A; font_face[1] = A;
font_face[2] = A; font_face[3] = A;
cairo_font_face_destroy (font_face[0]);
cairo_font_face_destroy (font_face[1]);
cairo_font_face_destroy (font_face[2]);
cairo_font_face_destroy (font_face[3]);
font_face[0] = A; font_face[1] = B;
font_face[2] = C; font_face[3] = D;
cairo_font_face_destroy (font_face[0]);
cairo_font_face_destroy (font_face[1]);
cairo_font_face_destroy (font_face[2]);
cairo_font_face_destroy (font_face[3]);
font_face[0] = A; font_face[1] = B;
font_face[2] = C; font_face[3] = D;
cairo_font_face_destroy (font_face[3]);
cairo_font_face_destroy (font_face[2]);
cairo_font_face_destroy (font_face[1]);
cairo_font_face_destroy (font_face[0]);
font_face[0] = A;
font_face[1] = A;
cairo_font_face_destroy (font_face[0]);
font_face[2] = A;
cairo_font_face_destroy (font_face[1]);
font_face[3] = A;
cairo_font_face_destroy (font_face[2]);
cairo_font_face_destroy (font_face[3]);
font_face[0] = A;
font_face[1] = B;
cairo_font_face_destroy (font_face[0]);
font_face[2] = C;
cairo_font_face_destroy (font_face[1]);
font_face[3] = D;
cairo_font_face_destroy (font_face[2]);
cairo_font_face_destroy (font_face[3]);
}
#undef A
#undef B
#undef C
#undef D
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
@ -48,23 +126,31 @@ draw (cairo_t *cr, int width, int height)
pattern = FcPatternCreate ();
if (! pattern) {
cairo_test_log (ctx, "FcPatternCreate failed.\n");
return CAIRO_TEST_FAILURE;
return cairo_test_status_from_status (ctx, CAIRO_STATUS_NO_MEMORY);
}
FcConfigSubstitute (NULL, pattern, FcMatchPattern);
FcDefaultSubstitute (pattern);
resolved = FcFontMatch (NULL, pattern, &result);
if (! resolved) {
FcPatternDestroy (pattern);
cairo_test_log (ctx, "FcFontMatch failed.\n");
return CAIRO_TEST_FAILURE;
return cairo_test_status_from_status (ctx, CAIRO_STATUS_NO_MEMORY);
}
font_face = cairo_ft_font_face_create_for_pattern (resolved);
if (cairo_font_face_status (font_face)) {
FcPatternDestroy (resolved);
FcPatternDestroy (pattern);
return cairo_test_status_from_status (ctx, cairo_font_face_status (font_face));
}
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);
FcPatternDestroy (resolved);
FcPatternDestroy (pattern);
return CAIRO_TEST_FAILURE;
}
@ -81,13 +167,16 @@ draw (cairo_t *cr, int width, int height)
&ctm,
font_options);
ft_face = cairo_ft_scaled_font_lock_face (scaled_font);
cairo_font_options_destroy (font_options);
cairo_font_face_destroy (font_face);
FcPatternDestroy (pattern);
FcPatternDestroy (resolved);
if (cairo_scaled_font_status (scaled_font)) {
return cairo_test_status_from_status (ctx,
cairo_scaled_font_status (scaled_font));
}
if (cairo_scaled_font_get_type (scaled_font) != CAIRO_FONT_TYPE_FT) {
cairo_test_log (ctx, "Unexpected value from cairo_scaled_font_get_type: %d (expected %d)\n",
cairo_scaled_font_get_type (scaled_font), CAIRO_FONT_TYPE_FT);
@ -95,7 +184,8 @@ draw (cairo_t *cr, int width, int height)
return CAIRO_TEST_FAILURE;
}
if (!ft_face) {
ft_face = cairo_ft_scaled_font_lock_face (scaled_font);
if (ft_face == NULL) {
cairo_test_log (ctx, "Failed to get an ft_face with cairo_ft_scaled_font_lock_face\n");
cairo_scaled_font_destroy (scaled_font);
return CAIRO_TEST_FAILURE;
@ -107,13 +197,18 @@ draw (cairo_t *cr, int width, int height)
*
* Now, on to the simple thing we actually want to test.
*/
font_face = cairo_ft_font_face_create_for_ft_face (ft_face, 0);
cairo_save (cr);
/* First we want to test caching behaviour */
_stress_font_cache (ft_face, cr, 0);
/* Set the font_face and force cairo to actually use it for
* something. */
cairo_save (cr);
font_face = cairo_ft_font_face_create_for_ft_face (ft_face, 0);
cairo_set_font_face (cr, font_face);
cairo_font_extents (cr, &font_extents);
cairo_restore (cr);
/* Finally, even more cleanup */