1 files changed, 96 insertions, 0 deletions
diff --git a/mupdf/shade2.c b/mupdf/shade2.c
new file mode 100644
index 00000000..b9f86d5f
--- /dev/null
+++ b/mupdf/shade2.c
@@ -0,0 +1,96 @@
+#include <fitz.h>
+#include <mupdf.h>
+
+fz_error *
+pdf_buildt2shademesh(fz_shade *shade, pdf_xref *xref, fz_obj *shading, 
+					 fz_obj *ref, fz_matrix mat)
+{
+	fz_error *error;
+	float x0, y0, x1, y1;
+	float t0, t1;
+	fz_obj *obj;
+	pdf_function *func;
+
+	pdf_logshade("loading type2 shade {\n");
+
+	obj = fz_dictgets(shading, "Coords");
+	x0 = fz_toreal(fz_arrayget(obj, 0));
+	y0 = fz_toreal(fz_arrayget(obj, 1));
+	x1 = fz_toreal(fz_arrayget(obj, 2));
+	y1 = fz_toreal(fz_arrayget(obj, 3));
+
+	pdf_logshade("coords %g %g %g %g\n", x0, y0, x1, y1);
+
+	obj = fz_dictgets(shading, "Domain");
+	if (obj) {
+		t0 = fz_toreal(fz_arrayget(obj, 0));
+		t1 = fz_toreal(fz_arrayget(obj, 1));
+	} else {
+		t0 = 0.;
+		t1 = 1.;
+	}
+
+	pdf_logshade("domain %g %g\n", t0, t1);
+
+	pdf_loadshadefunction(shade, xref, shading, t0, t1);
+
+	shade->meshlen = 2;
+	shade->mesh = (float*) malloc(sizeof(float) * 3*3 * shade->meshlen);
+
+	float theta;
+	theta = atan2(x1 - x0, y1 - y0);
+
+	pdf_logshade("theta=%g\n", theta);
+
+	fz_point p1, p2, p3, p4;
+
+	p1.x = x0 + 100 * cos(theta);
+	p1.y = y0 + 100 * sin(theta);
+	p2.x = x1 + 100 * cos(theta);
+	p2.y = y1 + 100 * sin(theta);
+	p3.x = x0 - 100 * cos(theta);
+	p3.y = y0 - 100 * sin(theta);
+	p4.x = x1 - 100 * cos(theta);
+	p4.y = y1 - 100 * sin(theta);
+
+	pdf_logshade("p1 %g %g\n", p1.x, p1.y);
+	pdf_logshade("p2 %g %g\n", p2.x, p2.y);
+	pdf_logshade("p3 %g %g\n", p3.x, p3.y);
+	pdf_logshade("p4 %g %g\n", p4.x, p4.y);
+
+	pdf_setmeshvalue(shade->mesh, 0, p1.x, p1.y, 0);
+	pdf_setmeshvalue(shade->mesh, 1, p2.x, p2.y, 511);
+	pdf_setmeshvalue(shade->mesh, 2, p4.x, p4.y, 511);
+	pdf_setmeshvalue(shade->mesh, 3, p1.x, p1.y, 0);
+	pdf_setmeshvalue(shade->mesh, 4, p4.x, p4.y, 511);
+	pdf_setmeshvalue(shade->mesh, 5, p3.x, p3.y, 0);
+	
+	/*
+	if (shade->extend) {
+		e0 = fz_toint(fz_arrayget(shade->extend, 0));
+		e1 = fz_toint(fz_arrayget(shade->extend, 1));
+	} else {
+		e0 = 0;
+		e1 = 0;
+	}
+	*/
+
+	pdf_logshade("}\n");
+
+	return nil;
+
+cleanup:
+	return error;
+}
+
+fz_error *
+pdf_loadtype2shade(fz_shade *shade, pdf_xref *xref, fz_obj *shading,
+				   fz_obj *ref, fz_matrix mat)
+{
+	fz_error *error;
+	fz_obj *obj;
+
+	pdf_buildt2shademesh(shade, xref, shading, ref, mat);
+
+	return nil;
+}