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#include "fitz.h"
#include "muxps.h"
void
xps_bounds_in_user_space(xps_context_t *ctx, fz_rect *ubox)
{
#if 0
gx_clip_path *clip_path;
fz_rect dbox;
int code;
code = gx_effective_clip_path(ctx->pgs, &clip_path);
if (code < 0)
fz_warn("gx_effective_clip_path failed");
dbox.p.x = fixed2float(clip_path->outer_box.p.x);
dbox.p.y = fixed2float(clip_path->outer_box.p.y);
dbox.q.x = fixed2float(clip_path->outer_box.q.x);
dbox.q.y = fixed2float(clip_path->outer_box.q.y);
gs_bbox_transform_inverse(&dbox, &ctm_only(ctx->pgs), ubox);
#endif
}
int
xps_begin_opacity(xps_context_t *ctx, fz_matrix ctm, char *base_uri, xps_resource_t *dict,
char *opacity_att, xps_item_t *opacity_mask_tag)
{
fz_rect bbox;
float opacity;
int save;
int code;
if (!opacity_att && !opacity_mask_tag)
return 0;
opacity = 1.0;
if (opacity_att)
opacity = atof(opacity_att);
// gs_setopacityalpha(ctx->pgs, opacity);
xps_bounds_in_user_space(ctx, &bbox);
if (opacity_mask_tag)
{
/* opacity-only mode: use alpha value as gray color to create luminosity mask */
save = ctx->opacity_only;
ctx->opacity_only = 1;
// begin mask
code = xps_parse_brush(ctx, ctm, base_uri, dict, opacity_mask_tag);
if (code)
{
ctx->opacity_only = save;
return fz_rethrow(code, "cannot parse opacity mask brush");
}
ctx->opacity_only = save;
}
// begin group
return 0;
}
void
xps_end_opacity(xps_context_t *ctx, char *base_uri, xps_resource_t *dict,
char *opacity_att, xps_item_t *opacity_mask_tag)
{
if (!opacity_att && !opacity_mask_tag)
return;
// end mask+group
}
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