static void
xps_draw_one_linear_gradient(fz_context *ctx, xps_document *doc, const fz_matrix *ctm,
struct stop *stops, int count,
int extend,
float x0, float y0, float x1, float y1)
{
fz_device *dev = doc->dev;
fz_shade *shade;
/* TODO: this (and the stuff in pdf_shade) should move to res_shade.c */
shade = fz_malloc_struct(ctx, fz_shade);
FZ_INIT_STORABLE(shade, 1, fz_drop_shade_imp);
shade->colorspace = fz_device_rgb(ctx);
shade->bbox = fz_infinite_rect;
shade->matrix = fz_identity;
shade->use_background = 0;
shade->use_function = 1;
shade->type = FZ_LINEAR;
shade->u.l_or_r.extend[0] = extend;
shade->u.l_or_r.extend[1] = extend;
xps_sample_gradient_stops(ctx, doc, shade, stops, count);
shade->u.l_or_r.coords[0][0] = x0;
shade->u.l_or_r.coords[0][1] = y0;
shade->u.l_or_r.coords[0][2] = 0;
shade->u.l_or_r.coords[1][0] = x1;
shade->u.l_or_r.coords[1][1] = y1;
shade->u.l_or_r.coords[1][2] = 0;
fz_fill_shade(ctx, dev, shade, ctm, doc->opacity[doc->opacity_top]);
fz_drop_shade(ctx, shade);
}
static void
xps_draw_one_radial_gradient(xps_document *doc, fz_matrix ctm,
struct stop *stops, int count,
int extend,
float x0, float y0, float r0,
float x1, float y1, float r1)
{
fz_shade *shade;
/* TODO: this (and the stuff in pdf_shade) should move to res_shade.c */
shade = fz_malloc_struct(doc->ctx, fz_shade);
FZ_INIT_STORABLE(shade, 1, fz_free_shade_imp);
shade->colorspace = fz_device_rgb;
shade->bbox = fz_infinite_rect;
shade->matrix = fz_identity;
shade->use_background = 0;
shade->use_function = 1;
shade->type = FZ_RADIAL;
shade->u.l_or_r.extend[0] = extend;
shade->u.l_or_r.extend[1] = extend;
xps_sample_gradient_stops(shade, stops, count);
shade->u.l_or_r.coords[0][0] = x0;
shade->u.l_or_r.coords[0][1] = y0;
shade->u.l_or_r.coords[0][2] = r0;
shade->u.l_or_r.coords[1][0] = x1;
shade->u.l_or_r.coords[1][1] = y1;
shade->u.l_or_r.coords[1][2] = r1;
fz_fill_shade(doc->dev, shade, ctm, 1);
fz_drop_shade(doc->ctx, shade);
}
