/* Intersect a clipping path a shading BBox. */
int
gx_dc_pattern2_clip_with_bbox(const gx_device_color * pdevc, gx_device * pdev,
gx_clip_path *cpath_local, const gx_clip_path **ppcpath1)
{
if (gx_dc_is_pattern2_color(pdevc) && gx_dc_pattern2_color_has_bbox(pdevc) &&
(*dev_proc(pdev, dev_spec_op))(pdev, gxdso_pattern_shading_area, NULL, 0) == 0) {
gs_pattern2_instance_t *pinst = (gs_pattern2_instance_t *)pdevc->ccolor.pattern;
gx_path box_path;
gs_memory_t *mem = (*ppcpath1 != NULL ? (*ppcpath1)->path.memory : pdev->memory);
int code;
gx_path_init_local(&box_path, mem);
code = gx_dc_shading_path_add_box(&box_path, pdevc);
if (code == gs_error_limitcheck) {
/* Ignore huge BBox - bug 689027. */
code = 0;
} else {
if (code >= 0) {
gx_cpath_init_local_shared(cpath_local, *ppcpath1, mem);
code = gx_cpath_intersect(cpath_local, &box_path, gx_rule_winding_number, (gs_imager_state *)pinst->saved);
*ppcpath1 = cpath_local;
}
}
gx_path_free(&box_path, "gx_default_fill_path(path_bbox)");
}
return 0;
}
/* Check whether color is a shading with BBox. */
int
gx_dc_pattern2_is_rectangular_cell(const gx_device_color * pdevc, gx_device * pdev, gs_fixed_rect *rect)
{
if (gx_dc_is_pattern2_color(pdevc) && gx_dc_pattern2_color_has_bbox(pdevc) &&
(*dev_proc(pdev, dev_spec_op))(pdev, gxdso_pattern_shading_area, NULL, 0) == 0) {
gs_pattern2_instance_t *pinst = (gs_pattern2_instance_t *)pdevc->ccolor.pattern;
const gs_shading_t *psh = pinst->templat.Shading;
gs_fixed_point p, q;
if (is_xxyy(&ctm_only(pinst->saved)))
if (psh->params.have_BBox) {
int code = gs_point_transform2fixed(&pinst->saved->ctm,
psh->params.BBox.p.x, psh->params.BBox.p.y, &p);
if (code < 0)
return code;
code = gs_point_transform2fixed(&pinst->saved->ctm,
psh->params.BBox.q.x, psh->params.BBox.q.y, &q);
if (code < 0)
return code;
if (p.x > q.x) {
p.x ^= q.x; q.x ^= p.x; p.x ^= q.x;
}
if (p.y > q.y) {
p.y ^= q.y; q.y ^= p.y; p.y ^= q.y;
}
rect->p = p;
rect->q = q;
return 1;
}
}
return 0;
}
/*
* Compare two saved colors to check if match.
* This routine used to be a simple memcmp(), but
* that is insufficient, the checks must be explicit.
*/
bool gx_hld_saved_color_equal(const gx_hl_saved_color * psc1,
const gx_hl_saved_color * psc2)
{
int i;
if (psc1->saved_dev_color.type != psc2->saved_dev_color.type
|| psc1->color_space_id != psc2->color_space_id
|| psc1->pattern_id != psc2->pattern_id
|| psc1->ccolor_valid != psc2->ccolor_valid
|| psc1->ccolor.pattern != psc2->ccolor.pattern
|| psc1->saved_dev_color.phase.x != psc2->saved_dev_color.phase.x
|| psc1->saved_dev_color.phase.y != psc2->saved_dev_color.phase.y) {
return(false);
}
for (i = 0; i < GX_DEVICE_COLOR_MAX_COMPONENTS; i++) {
if (psc1->ccolor.paint.values[i] != psc2->ccolor.paint.values[i]) {
return(false);
}
}
/* NAFF: only gx_dc_pure_masked doesn't have a type checker */
if (gx_dc_is_pure(&psc1->saved_dev_color) || psc1->saved_dev_color.type == &gx_dc_pure_masked) {
if (psc1->saved_dev_color.colors.pure != psc2->saved_dev_color.colors.pure) {
return(false);
}
}
else if (gx_dc_is_binary_halftone(&psc1->saved_dev_color)) {
if ((psc1->saved_dev_color.colors.binary.b_color[0] != psc2->saved_dev_color.colors.binary.b_color[0])
|| (psc1->saved_dev_color.colors.binary.b_color[1] != psc2->saved_dev_color.colors.binary.b_color[1])
|| (psc1->saved_dev_color.colors.binary.b_level != psc2->saved_dev_color.colors.binary.b_level)
|| (psc1->saved_dev_color.colors.binary.b_index != psc2->saved_dev_color.colors.binary.b_index)) {
return(false);
}
}
else if (gx_dc_is_colored_halftone(&psc1->saved_dev_color)) {
for (i = 0; i < GX_DEVICE_COLOR_MAX_COMPONENTS; i++) {
if (psc1->saved_dev_color.colors.colored.c_base[i] != psc2->saved_dev_color.colors.colored.c_base[i]
|| psc1->saved_dev_color.colors.colored.c_level[i] != psc2->saved_dev_color.colors.colored.c_level[i]) {
return(false);
}
}
}
else if (gx_dc_is_devn(&psc1->saved_dev_color)) {
for (i = 0; i < GX_DEVICE_COLOR_MAX_COMPONENTS; i++) {
if (psc1->saved_dev_color.colors.devn.values[i] != psc2->saved_dev_color.colors.devn.values[i]) {
return(false);
}
}
}
else if (gx_dc_is_pattern1_color((gx_device_color *)(&psc1->saved_dev_color.type))) {
if (psc1->saved_dev_color.colors.pattern.id != psc2->saved_dev_color.colors.pattern.id
|| psc1->saved_dev_color.colors.pattern.phase.x != psc2->saved_dev_color.colors.pattern.phase.x
|| psc1->saved_dev_color.colors.pattern.phase.y != psc2->saved_dev_color.colors.pattern.phase.y) {
return(false);
}
}
else if (gx_dc_is_pattern2_color((gx_device_color *)(&psc1->saved_dev_color.type))) {
if (psc1->saved_dev_color.colors.pattern2.id != psc2->saved_dev_color.colors.pattern2.id
|| psc1->saved_dev_color.colors.pattern2.shfill != psc2->saved_dev_color.colors.pattern2.shfill) {
return(false);
}
}
return (true);
}
