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Add show_text_glyphs to PDF surface

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This commit is contained in:
Adrian Johnson 2008-06-29 19:55:41 +09:30
parent 770b7c9a74
commit 22facbe66e
2 changed files with 84 additions and 18 deletions
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5
src/cairo-pdf-surface-private.h
View file

@ -90,8 +90,13 @@ typedef struct _cairo_pdf_smask_group
cairo_stroke_style_t *style;
cairo_matrix_t ctm;
cairo_matrix_t ctm_inverse;
char *utf8;
int utf8_len;
cairo_glyph_t *glyphs;
int num_glyphs;
cairo_text_cluster_t *clusters;
int num_clusters;
cairo_bool_t backward;
cairo_scaled_font_t *scaled_font;
} cairo_pdf_smask_group_t;

97
src/cairo-pdf-surface.c
View file

@ -747,8 +747,12 @@ _cairo_pdf_smask_group_destroy (cairo_pdf_smask_group_t *group)
cairo_pattern_destroy (group->source);
if (group->mask)
cairo_pattern_destroy (group->mask);
if (group->utf8)
free (group->utf8);
if (group->glyphs)
free (group->glyphs);
if (group->clusters)
free (group->clusters);
if (group->scaled_font)
cairo_scaled_font_destroy (group->scaled_font);
free (group);
@ -3960,10 +3964,10 @@ _cairo_pdf_surface_write_smask_group (cairo_pdf_surface_t *surface,
break;
case PDF_SHOW_GLYPHS:
status = _cairo_pdf_operators_show_text_glyphs (&surface->pdf_operators,
NULL, 0,
group->utf8, group->utf8_len,
group->glyphs, group->num_glyphs,
NULL, 0,
FALSE,
group->clusters, group->num_clusters,
group->backward,
group->scaled_font);
break;
}
@ -4719,14 +4723,24 @@ _cairo_pdf_surface_fill_stroke (void *abstract_surface,
return _cairo_output_stream_get_status (surface->output);
}
static cairo_bool_t
_cairo_pdf_surface_has_show_text_glyphs (void *abstract_surface)
{
return TRUE;
}
static cairo_int_status_t
_cairo_pdf_surface_show_glyphs (void *abstract_surface,
cairo_operator_t op,
cairo_pattern_t *source,
cairo_glyph_t *glyphs,
int num_glyphs,
cairo_scaled_font_t *scaled_font,
int *remaining_glyphs)
_cairo_pdf_surface_show_text_glyphs (void *abstract_surface,
cairo_operator_t op,
cairo_pattern_t *source,
const char *utf8,
int utf8_len,
cairo_glyph_t *glyphs,
int num_glyphs,
const cairo_text_cluster_t *clusters,
int num_clusters,
cairo_bool_t backward,
cairo_scaled_font_t *scaled_font)
{
cairo_pdf_surface_t *surface = abstract_surface;
cairo_status_t status;
@ -4754,13 +4768,37 @@ _cairo_pdf_surface_show_glyphs (void *abstract_surface,
group->operation = PDF_SHOW_GLYPHS;
group->source = cairo_pattern_reference (source);
group->source_res = pattern_res;
group->glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
if (group->glyphs == NULL) {
_cairo_pdf_smask_group_destroy (group);
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
if (utf8_len) {
group->utf8 = malloc(utf8_len);
if (group->utf8) {
_cairo_pdf_smask_group_destroy (group);
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
}
memcpy (group->utf8, utf8, utf8_len);
}
group->utf8_len = utf8_len;
if (num_glyphs) {
group->glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
if (group->glyphs == NULL) {
_cairo_pdf_smask_group_destroy (group);
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
}
memcpy (group->glyphs, glyphs, sizeof (cairo_glyph_t) * num_glyphs);
}
memcpy (group->glyphs, glyphs, sizeof (cairo_glyph_t) * num_glyphs);
group->num_glyphs = num_glyphs;
if (num_clusters) {
group->clusters = _cairo_malloc_ab (num_clusters, sizeof (cairo_text_cluster_t));
if (group->clusters) {
_cairo_pdf_smask_group_destroy (group);
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
}
memcpy (group->clusters, clusters, sizeof (cairo_text_cluster_t) * num_clusters);
}
group->num_clusters = num_clusters;
group->scaled_font = cairo_scaled_font_reference (scaled_font);
status = _cairo_pdf_surface_add_smask_group (surface, group);
if (status) {
@ -4800,10 +4838,10 @@ _cairo_pdf_surface_show_glyphs (void *abstract_surface,
}
status = _cairo_pdf_operators_show_text_glyphs (&surface->pdf_operators,
NULL, 0,
utf8, utf8_len,
glyphs, num_glyphs,
NULL, 0,
FALSE,
clusters, num_clusters,
backward,
scaled_font);
if (status)
return status;
@ -4816,6 +4854,26 @@ _cairo_pdf_surface_show_glyphs (void *abstract_surface,
return _cairo_output_stream_get_status (surface->output);
}
static cairo_int_status_t
_cairo_pdf_surface_show_glyphs (void *abstract_surface,
cairo_operator_t op,
cairo_pattern_t *source,
cairo_glyph_t *glyphs,
int num_glyphs,
cairo_scaled_font_t *scaled_font,
int *remaining_glyphs)
{
return _cairo_pdf_surface_show_text_glyphs (abstract_surface,
op,
source,
NULL, 0,
glyphs, num_glyphs,
NULL, 0,
FALSE,
scaled_font);
}
static void
_cairo_pdf_surface_set_paginated_mode (void *abstract_surface,
cairo_paginated_mode_t paginated_mode)
@ -4861,6 +4919,9 @@ static const cairo_surface_backend_t cairo_pdf_surface_backend = {
NULL, /* is_compatible */
NULL, /* reset */
_cairo_pdf_surface_fill_stroke,
NULL, /* create_solid_pattern_surface */
_cairo_pdf_surface_has_show_text_glyphs,
_cairo_pdf_surface_show_text_glyphs,
};
static const cairo_paginated_surface_backend_t cairo_pdf_surface_paginated_backend = {