static void
generate_reference (double ppi_x, double ppi_y, const char *filename)
{
cairo_surface_t *surface, *target;
cairo_t *cr;
cairo_status_t status;
surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
SIZE*ppi_x/72, SIZE*ppi_y/72);
cr = cairo_create (surface);
cairo_surface_destroy (surface);
/* As we wish to mimic a PDF surface, copy across the default font options
* from the PDF backend.
*/
{
cairo_surface_t *pdf;
cairo_font_options_t *options;
options = cairo_font_options_create ();
pdf = cairo_pdf_surface_create ("tmp.pdf", 1, 1);
cairo_surface_get_font_options (pdf, options);
cairo_surface_destroy (pdf);
cairo_set_font_options (cr, options);
cairo_font_options_destroy (options);
}
#if SET_TOLERANCE
cairo_set_tolerance (cr, 3.0);
#endif
cairo_save (cr); {
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
} cairo_restore (cr);
cairo_scale (cr, ppi_x/72., ppi_y/72.);
draw (cr, SIZE, SIZE);
surface = cairo_surface_reference (cairo_get_target (cr));
cairo_destroy (cr);
target = cairo_image_surface_create (CAIRO_FORMAT_RGB24, SIZE, SIZE);
cr = cairo_create (target);
cairo_scale (cr, 72./ppi_x, 72./ppi_y);
cairo_set_source_surface (cr, surface, 0, 0);
cairo_paint (cr);
status = cairo_surface_write_to_png (cairo_get_target (cr), filename);
cairo_destroy (cr);
if (status) {
fprintf (stderr, "Failed to generate reference image '%s': %s\n",
filename, cairo_status_to_string (status));
exit (1);
}
}
static void
_cairo_paginated_surface_get_font_options (void *abstract_surface,
cairo_font_options_t *options)
{
cairo_paginated_surface_t *surface = abstract_surface;
cairo_surface_get_font_options (surface->target, options);
}
static int
surface_get_font_options (lua_State *L) {
cairo_surface_t **obj = luaL_checkudata(L, 1, OOCAIRO_MT_NAME_SURFACE);
cairo_font_options_t **opt = create_fontopt_userdata(L);
*opt = cairo_font_options_create();
cairo_surface_get_font_options(*obj, *opt);
return 1;
}
static PyObject *
surface_get_font_options (PycairoSurface *o)
{
cairo_font_options_t *options = cairo_font_options_create();
cairo_surface_get_font_options (o->surface, options);
/* there is no reference fn */
return PycairoFontOptions_FromFontOptions (options);
}
static VALUE
cr_surface_get_font_options (VALUE self)
{
cairo_font_options_t *options = cairo_font_options_create();
cairo_surface_get_font_options (_SELF, options);
cr_surface_check_status (_SELF);
rb_cairo_check_status (cairo_font_options_status (options));
return CRFONTOPTIONS2RVAL (options);
}
static cairo_test_status_t
test_cairo_surface_get_font_options (cairo_surface_t *surface)
{
cairo_font_options_t *options;
cairo_status_t status;
options = cairo_font_options_create ();
if (likely (!cairo_font_options_status (options)))
cairo_surface_get_font_options (surface, options);
status = cairo_font_options_status (options);
cairo_font_options_destroy (options);
return status ? CAIRO_TEST_ERROR : CAIRO_TEST_SUCCESS;
}
static cairo_surface_t *
_cairo_paginated_surface_create_image_surface (void *abstract_surface,
int width,
int height)
{
cairo_paginated_surface_t *surface = abstract_surface;
cairo_surface_t *image;
cairo_font_options_t options;
image = _cairo_image_surface_create_with_content (surface->content,
width,
height);
cairo_surface_get_font_options (&surface->base, &options);
_cairo_surface_set_font_options (image, &options);
return image;
}
void
_cairo_surface_wrapper_get_font_options (cairo_surface_wrapper_t *wrapper,
cairo_font_options_t *options)
{
cairo_surface_get_font_options (wrapper->target, options);
}
cairo_status_t
_cairo_surface_wrapper_show_text_glyphs (cairo_surface_wrapper_t *wrapper,
cairo_operator_t op,
const cairo_pattern_t *source,
const char *utf8,
int utf8_len,
const cairo_glyph_t *glyphs,
int num_glyphs,
const cairo_text_cluster_t *clusters,
int num_clusters,
cairo_text_cluster_flags_t cluster_flags,
cairo_scaled_font_t *scaled_font,
const cairo_clip_t *clip)
{
cairo_status_t status;
cairo_clip_t *dev_clip;
cairo_glyph_t stack_glyphs [CAIRO_STACK_ARRAY_LENGTH(cairo_glyph_t)];
cairo_glyph_t *dev_glyphs = stack_glyphs;
cairo_scaled_font_t *dev_scaled_font = scaled_font;
cairo_pattern_union_t source_copy;
cairo_font_options_t options;
if (unlikely (wrapper->target->status))
return wrapper->target->status;
dev_clip = _cairo_surface_wrapper_get_clip (wrapper, clip);
if (_cairo_clip_is_all_clipped (dev_clip))
return CAIRO_INT_STATUS_NOTHING_TO_DO;
cairo_surface_get_font_options (wrapper->target, &options);
cairo_font_options_merge (&options, &scaled_font->options);
if (wrapper->needs_transform) {
cairo_matrix_t m;
int i;
_cairo_surface_wrapper_get_transform (wrapper, &m);
if (! _cairo_matrix_is_translation (&wrapper->transform)) {
cairo_matrix_t ctm;
/* XXX No device-transform? A bug in the tangle of layers? */
_cairo_matrix_multiply (&ctm,
&wrapper->transform,
&scaled_font->ctm);
dev_scaled_font = cairo_scaled_font_create (scaled_font->font_face,
&scaled_font->font_matrix,
&ctm, &options);
}
if (num_glyphs > ARRAY_LENGTH (stack_glyphs)) {
dev_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
if (unlikely (dev_glyphs == NULL)) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
goto FINISH;
}
}
for (i = 0; i < num_glyphs; i++) {
dev_glyphs[i] = glyphs[i];
cairo_matrix_transform_point (&m,
&dev_glyphs[i].x,
&dev_glyphs[i].y);
}
status = cairo_matrix_invert (&m);
assert (status == CAIRO_STATUS_SUCCESS);
_copy_transformed_pattern (&source_copy.base, source, &m);
source = &source_copy.base;
} else {
if (! cairo_font_options_equal (&options, &scaled_font->options)) {
dev_scaled_font = cairo_scaled_font_create (scaled_font->font_face,
&scaled_font->font_matrix,
&scaled_font->ctm,
&options);
}
/* show_text_glyphs is special because _cairo_surface_show_text_glyphs is allowed
* to modify the glyph array that's passed in. We must always
* copy the array before handing it to the backend.
*/
if (num_glyphs > ARRAY_LENGTH (stack_glyphs)) {
dev_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
if (unlikely (dev_glyphs == NULL)) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
goto FINISH;
}
}
memcpy (dev_glyphs, glyphs, sizeof (cairo_glyph_t) * num_glyphs);
}
status = _cairo_surface_show_text_glyphs (wrapper->target, op, source,
utf8, utf8_len,
dev_glyphs, num_glyphs,
clusters, num_clusters,
cluster_flags,
dev_scaled_font,
dev_clip);
FINISH:
_cairo_clip_destroy (dev_clip);
if (dev_glyphs != stack_glyphs)
free (dev_glyphs);
if (dev_scaled_font != scaled_font)
cairo_scaled_font_destroy (dev_scaled_font);
return status;
}
IoObject *IoCairoSurface_getFontOptions(IoCairoSurface *self, IoObject *locals, IoMessage *m)
{
cairo_font_options_t *options = cairo_font_options_create();
cairo_surface_get_font_options(SURFACE(self), options);
return IoCairoFontOptions_newWithRawFontOptions_(IOSTATE, m, options);
}