mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
synced 2026-05-05 19:18:12 +02:00
[cairo-pdf-surface] Propagate resource allocation failure.
Propagate failure of _cairo_pdf_surface_new_object().
This commit is contained in:
Chris Wilson
parent
8fb40aee97
commit
717dcd1a2c
1 changed files with 159 additions and 4 deletions
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@ -337,9 +337,12 @@ _cairo_pdf_surface_create_for_stream_internal (cairo_output_stream_t *output,
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surface->next_available_resource.id = 1;
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surface->pages_resource = _cairo_pdf_surface_new_object (surface);
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if (surface->pages_resource.id == 0)
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goto fail;
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surface->compress_content = TRUE;
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surface->pdf_stream.active = FALSE;
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surface->pdf_stream.old_output = NULL;
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surface->content_stream.active = FALSE;
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surface->content_stream.stream = NULL;
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surface->content_stream.mem_stream = NULL;
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@ -637,6 +640,8 @@ _cairo_pdf_surface_add_font (cairo_pdf_surface_t *surface,
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font.font_id = font_id;
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font.subset_id = subset_id;
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font.subset_resource = _cairo_pdf_surface_new_object (surface);
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if (font.subset_resource.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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status = _cairo_array_append (&surface->fonts, &font);
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if (status)
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@ -756,10 +761,28 @@ _cairo_pdf_surface_open_stream (cairo_pdf_surface_t *surface,
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...)
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{
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va_list ap;
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cairo_pdf_resource_t self, length;
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cairo_output_stream_t *output = NULL;
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self = _cairo_pdf_surface_new_object (surface);
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if (self.id == 0)
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return self;
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length = _cairo_pdf_surface_new_object (surface);
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if (length.id == 0)
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return length;
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if (compressed) {
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output = _cairo_deflate_stream_create (surface->output);
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if (_cairo_output_stream_get_status (output)) {
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self.id = 0;
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return self;
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}
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}
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surface->pdf_stream.active = TRUE;
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surface->pdf_stream.self = _cairo_pdf_surface_new_object (surface);
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surface->pdf_stream.length = _cairo_pdf_surface_new_object (surface);
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surface->pdf_stream.self = self;
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surface->pdf_stream.length = length;
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surface->pdf_stream.compressed = compressed;
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_cairo_output_stream_printf (surface->output,
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@ -784,8 +807,9 @@ _cairo_pdf_surface_open_stream (cairo_pdf_surface_t *surface,
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surface->pdf_stream.start_offset = _cairo_output_stream_get_position (surface->output);
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if (compressed) {
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surface->pdf_stream.old_output = surface->output;
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surface->output = _cairo_deflate_stream_create (surface->output);
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assert (surface->pdf_stream.old_output == NULL);
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surface->pdf_stream.old_output = surface->output;
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surface->output = output;
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}
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return surface->pdf_stream.self;
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@ -803,6 +827,7 @@ _cairo_pdf_surface_close_stream (cairo_pdf_surface_t *surface)
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if (surface->pdf_stream.compressed) {
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status = _cairo_output_stream_destroy (surface->output);
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surface->output = surface->pdf_stream.old_output;
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surface->pdf_stream.old_output = NULL;
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_cairo_output_stream_printf (surface->output,
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"\r\n");
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}
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@ -836,6 +861,9 @@ _cairo_pdf_surface_write_memory_stream (cairo_pdf_surface_t *surface,
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cairo_pdf_resource_t group;
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group = _cairo_pdf_surface_new_object (surface);
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if (group.id == 0)
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return group;
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Type /XObject\r\n"
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@ -1267,10 +1295,16 @@ _cairo_pdf_surface_emit_smask (cairo_pdf_surface_t *surface,
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" /BitsPerComponent 8\r\n"
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" /Filter /FlateDecode\r\n",
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image->width, image->height);
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if (stream_ret->id == 0) {
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status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
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goto CLEANUP_ALPHA_COMPRESSED;
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}
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_cairo_output_stream_write (surface->output, alpha_compressed, alpha_compressed_size);
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_cairo_output_stream_printf (surface->output, "\r\n");
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status = _cairo_pdf_surface_close_stream (surface);
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CLEANUP_ALPHA_COMPRESSED:
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free (alpha_compressed);
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CLEANUP_ALPHA:
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free (alpha);
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@ -1385,6 +1419,10 @@ _cairo_pdf_surface_emit_image (cairo_pdf_surface_t *surface,
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FALSE,
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IMAGE_DICTIONARY,
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image->width, image->height);
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if (image_ret->id == 0){
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status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
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goto CLEANUP_COMPRESSED;
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}
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#undef IMAGE_DICTIONARY
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@ -1661,6 +1699,8 @@ _cairo_pdf_surface_emit_surface_pattern (cairo_pdf_surface_t *surface,
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pdf_p2d.x0, pdf_p2d.y0,
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pattern_resource.id,
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pattern_resource.id);
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if (stream.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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if (_cairo_surface_is_meta (pattern->surface)) {
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_cairo_output_stream_printf (surface->output,
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@ -1716,6 +1756,8 @@ cairo_pdf_surface_emit_rgb_linear_function (cairo_pdf_surface_t *surface,
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}
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res = _cairo_pdf_surface_new_object (surface);
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if (res.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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@ -1767,6 +1809,8 @@ cairo_pdf_surface_emit_alpha_linear_function (cairo_pdf_surface_t *surface,
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}
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res = _cairo_pdf_surface_new_object (surface);
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if (res.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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@ -1823,6 +1867,9 @@ _cairo_pdf_surface_emit_stitched_colorgradient (cairo_pdf_surface_t *surface,
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/* ... and stitch them together */
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res = _cairo_pdf_surface_new_object (surface);
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if (res.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /FunctionType 3\r\n"
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@ -1970,6 +2017,8 @@ cairo_pdf_surface_emit_transparency_group (cairo_pdf_surface_t *surface,
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surface->height,
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gradient_mask.id,
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gradient_mask.id);
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if (xobj_resource.id == 0)
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return xobj_resource;
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_cairo_output_stream_printf (surface->output,
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"q\r\n"
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@ -1985,6 +2034,9 @@ cairo_pdf_surface_emit_transparency_group (cairo_pdf_surface_t *surface,
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_cairo_pdf_surface_close_stream (surface);
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smask_resource = _cairo_pdf_surface_new_object (surface);
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if (smask_resource.id == 0)
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return smask_resource;
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Type /Mask\r\n"
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@ -1997,6 +2049,9 @@ cairo_pdf_surface_emit_transparency_group (cairo_pdf_surface_t *surface,
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/* Create GState which uses the transparency group as an SMask. */
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gstate_resource = _cairo_pdf_surface_new_object (surface);
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if (gstate_resource.id == 0)
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return gstate_resource;
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Type /ExtGState\r\n"
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@ -2076,6 +2131,9 @@ _cairo_pdf_surface_emit_linear_pattern (cairo_pdf_surface_t *surface,
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}
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pattern_resource = _cairo_pdf_surface_new_object (surface);
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if (pattern_resource.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Type /Pattern\r\n"
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@ -2115,6 +2173,9 @@ _cairo_pdf_surface_emit_linear_pattern (cairo_pdf_surface_t *surface,
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/* Create pattern for SMask. */
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mask_resource = _cairo_pdf_surface_new_object (surface);
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if (mask_resource.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Type /Pattern\r\n"
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@ -2149,6 +2210,9 @@ _cairo_pdf_surface_emit_linear_pattern (cairo_pdf_surface_t *surface,
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return status;
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smask = cairo_pdf_surface_emit_transparency_group (surface, mask_resource);
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if (smask.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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surface->emitted_pattern.smask = smask;
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}
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@ -2196,6 +2260,9 @@ _cairo_pdf_surface_emit_radial_pattern (cairo_pdf_surface_t *surface,
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r2 = _cairo_fixed_to_double (pattern->r2);
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pattern_resource = _cairo_pdf_surface_new_object (surface);
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if (pattern_resource.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Type /Pattern\r\n"
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@ -2233,6 +2300,9 @@ _cairo_pdf_surface_emit_radial_pattern (cairo_pdf_surface_t *surface,
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/* Create pattern for SMask. */
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mask_resource = _cairo_pdf_surface_new_object (surface);
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if (mask_resource.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Type /Pattern\r\n"
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@ -2264,6 +2334,9 @@ _cairo_pdf_surface_emit_radial_pattern (cairo_pdf_surface_t *surface,
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"endobj\r\n");
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smask = cairo_pdf_surface_emit_transparency_group (surface, mask_resource);
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if (smask.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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surface->emitted_pattern.smask = smask;
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}
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@ -2540,6 +2613,9 @@ _cairo_pdf_surface_write_info (cairo_pdf_surface_t *surface)
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cairo_pdf_resource_t info;
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info = _cairo_pdf_surface_new_object (surface);
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if (info.id == 0)
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return info;
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Creator (cairo %s (http://cairographics.org))\r\n"
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@ -2610,6 +2686,9 @@ _cairo_pdf_surface_emit_to_unicode_stream (cairo_pdf_surface_t *surface,
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stream = _cairo_pdf_surface_open_stream (surface,
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surface->compress_content,
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NULL);
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if (stream.id == 0)
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return stream;
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_cairo_output_stream_printf (surface->output,
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"/CIDInit /ProcSet findresource begin\r\n"
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"12 dict begin\r\n"
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@ -2690,6 +2769,11 @@ _cairo_pdf_surface_emit_cff_font (cairo_pdf_surface_t *surface,
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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stream = _cairo_pdf_surface_new_object (surface);
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if (stream.id == 0) {
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free (compressed);
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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}
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Filter /FlateDecode\r\n"
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@ -2707,8 +2791,13 @@ _cairo_pdf_surface_emit_cff_font (cairo_pdf_surface_t *surface,
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free (compressed);
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to_unicode_stream = _cairo_pdf_surface_emit_to_unicode_stream (surface, font_subset, TRUE);
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if (to_unicode_stream.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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descriptor = _cairo_pdf_surface_new_object (surface);
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if (descriptor.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Type /FontDescriptor\r\n"
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@ -2735,6 +2824,9 @@ _cairo_pdf_surface_emit_cff_font (cairo_pdf_surface_t *surface,
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stream.id);
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cidfont_dict = _cairo_pdf_surface_new_object (surface);
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if (cidfont_dict.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Type /Font\r\n"
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@ -2854,6 +2946,11 @@ _cairo_pdf_surface_emit_type1_font (cairo_pdf_surface_t *surface,
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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stream = _cairo_pdf_surface_new_object (surface);
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if (stream.id == 0) {
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free (compressed);
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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}
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Filter /FlateDecode\r\n"
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@ -2875,8 +2972,13 @@ _cairo_pdf_surface_emit_type1_font (cairo_pdf_surface_t *surface,
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free (compressed);
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to_unicode_stream = _cairo_pdf_surface_emit_to_unicode_stream (surface, font_subset, FALSE);
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if (to_unicode_stream.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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descriptor = _cairo_pdf_surface_new_object (surface);
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if (descriptor.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Type /FontDescriptor\r\n"
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@ -3012,6 +3114,11 @@ _cairo_pdf_surface_emit_truetype_font_subset (cairo_pdf_surface_t *surface,
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}
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stream = _cairo_pdf_surface_new_object (surface);
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if (stream.id == 0) {
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free (compressed);
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_cairo_truetype_subset_fini (&subset);
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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}
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Filter /FlateDecode\r\n"
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@ -3030,8 +3137,15 @@ _cairo_pdf_surface_emit_truetype_font_subset (cairo_pdf_surface_t *surface,
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free (compressed);
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to_unicode_stream = _cairo_pdf_surface_emit_to_unicode_stream (surface, font_subset, TRUE);
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if (to_unicode_stream.id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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descriptor = _cairo_pdf_surface_new_object (surface);
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if (descriptor.id == 0) {
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_cairo_truetype_subset_fini (&subset);
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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}
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Type /FontDescriptor\r\n"
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@ -3059,6 +3173,11 @@ _cairo_pdf_surface_emit_truetype_font_subset (cairo_pdf_surface_t *surface,
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stream.id);
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cidfont_dict = _cairo_pdf_surface_new_object (surface);
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if (cidfont_dict.id == 0) {
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_cairo_truetype_subset_fini (&subset);
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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}
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_cairo_output_stream_printf (surface->output,
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"%d 0 obj\r\n"
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"<< /Type /Font\r\n"
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@ -3140,6 +3259,8 @@ _cairo_pdf_surface_emit_outline_glyph (cairo_pdf_surface_t *surface,
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*glyph_ret = _cairo_pdf_surface_open_stream (surface,
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surface->compress_content,
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NULL);
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if (glyph_ret->id == 0)
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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_cairo_output_stream_printf (surface->output,
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"0 0 %f %f %f %f d1\r\n",
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@ -3205,6 +3326,11 @@ _cairo_pdf_surface_emit_bitmap_glyph (cairo_pdf_surface_t *surface,
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*glyph_ret = _cairo_pdf_surface_open_stream (surface,
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surface->compress_content,
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NULL);
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if (glyph_ret->id == 0) {
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if (image != scaled_glyph->surface)
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cairo_surface_destroy (&image->base);
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return _cairo_error (CAIRO_STATUS_NO_MEMORY);
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}
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_cairo_output_stream_printf (surface->output,
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"%f 0 %f %f %f %f d1\r\n",
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@ -3324,6 +3450,12 @@ _cairo_pdf_surface_emit_type3_font_subset (cairo_pdf_surface_t *surface,
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}
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encoding = _cairo_pdf_surface_new_object (surface);
|
||||
if (encoding.id == 0) {
|
||||
free (glyphs);
|
||||
free (widths);
|
||||
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
}
|
||||
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\r\n"
|
||||
"<< /Type /Encoding\r\n"
|
||||
|
|
@ -3337,6 +3469,12 @@ _cairo_pdf_surface_emit_type3_font_subset (cairo_pdf_surface_t *surface,
|
|||
"endobj\r\n");
|
||||
|
||||
char_procs = _cairo_pdf_surface_new_object (surface);
|
||||
if (char_procs.id == 0) {
|
||||
free (glyphs);
|
||||
free (widths);
|
||||
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
}
|
||||
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\r\n"
|
||||
"<<\r\n", char_procs.id);
|
||||
|
|
@ -3351,6 +3489,8 @@ _cairo_pdf_surface_emit_type3_font_subset (cairo_pdf_surface_t *surface,
|
|||
free (glyphs);
|
||||
|
||||
to_unicode_stream = _cairo_pdf_surface_emit_to_unicode_stream (surface, font_subset, FALSE);
|
||||
if (to_unicode_stream.id == 0)
|
||||
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
|
||||
subset_resource = _cairo_pdf_surface_get_font_resource (surface,
|
||||
font_subset->font_id,
|
||||
|
|
@ -3476,6 +3616,9 @@ _cairo_pdf_surface_write_catalog (cairo_pdf_surface_t *surface)
|
|||
cairo_pdf_resource_t catalog;
|
||||
|
||||
catalog = _cairo_pdf_surface_new_object (surface);
|
||||
if (catalog.id == 0)
|
||||
return catalog;
|
||||
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\r\n"
|
||||
"<< /Type /Catalog\r\n"
|
||||
|
|
@ -3593,12 +3736,18 @@ _cairo_pdf_surface_write_page (cairo_pdf_surface_t *surface)
|
|||
" >>\r\n",
|
||||
surface->width,
|
||||
surface->height);
|
||||
if (page_content.id == 0)
|
||||
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"/x%d Do\r\n",
|
||||
has_fallback_images ? knockout_group.id : content_group.id);
|
||||
_cairo_pdf_surface_close_stream (surface);
|
||||
|
||||
page = _cairo_pdf_surface_new_object (surface);
|
||||
if (page.id == 0)
|
||||
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\r\n"
|
||||
"<< /Type /Page\r\n"
|
||||
|
|
@ -3926,6 +4075,9 @@ _cairo_pdf_surface_mask (void *abstract_surface,
|
|||
|
||||
/* Create an smask based on the alpha component of mask_group */
|
||||
smask = _cairo_pdf_surface_new_object (surface);
|
||||
if (smask.id == 0)
|
||||
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\r\n"
|
||||
"<< /Type /Mask\r\n"
|
||||
|
|
@ -3938,6 +4090,9 @@ _cairo_pdf_surface_mask (void *abstract_surface,
|
|||
|
||||
/* Create a GState that uses the smask */
|
||||
gstate = _cairo_pdf_surface_new_object (surface);
|
||||
if (gstate.id == 0)
|
||||
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
|
||||
_cairo_output_stream_printf (surface->output,
|
||||
"%d 0 obj\r\n"
|
||||
"<< /Type /ExtGState\r\n"
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue