1 files changed, 96 insertions, 0 deletions
diff --git a/xps/xpscommon.c b/xps/xpscommon.c
new file mode 100644
index 000000000..d96444dd4
--- /dev/null
+++ b/xps/xpscommon.c
@@ -0,0 +1,96 @@
+#include "ghostxps.h"
+
+int
+xps_parse_brush(xps_context_t *ctx, xps_resource_t *dict, xps_item_t *node)
+{
+    if (!strcmp(xps_tag(node), "SolidColorBrush"))
+	return xps_parse_solid_color_brush(ctx, dict, node);
+    if (!strcmp(xps_tag(node), "ImageBrush"))
+	return xps_parse_image_brush(ctx, dict, node);
+    if (!strcmp(xps_tag(node), "VisualBrush"))
+	return xps_parse_visual_brush(ctx, dict, node);
+    if (!strcmp(xps_tag(node), "LinearGradientBrush"))
+	return xps_parse_linear_gradient_brush(ctx, dict, node);
+    if (!strcmp(xps_tag(node), "RadialGradientBrush"))
+	return xps_parse_radial_gradient_brush(ctx, dict, node);
+    return gs_throw1(-1, "unknown brush tag: %s", xps_tag(node));
+}
+
+int
+xps_parse_element(xps_context_t *ctx, xps_resource_t *dict, xps_item_t *node)
+{
+    if (!strcmp(xps_tag(node), "Path"))
+	return xps_parse_path(ctx, dict, node);
+    if (!strcmp(xps_tag(node), "Glyphs"))
+	return xps_parse_glyphs(ctx, dict, node);
+    if (!strcmp(xps_tag(node), "Canvas"))
+	return xps_parse_canvas(ctx, dict, node);
+    /* skip unknown tags (like Foo.Resources and similar) */
+    return 0;
+}
+
+void
+xps_parse_render_transform(xps_context_t *ctx, char *transform, gs_matrix *matrix)
+{
+    float args[6];
+    char *s = transform;
+    int i;
+
+    args[0] = 1.0; args[1] = 0.0;
+    args[2] = 0.0; args[3] = 1.0;
+    args[4] = 0.0; args[5] = 0.0;
+
+    for (i = 0; i < 6 && *s; i++)
+    {
+	args[i] = atof(s);
+	while (*s && *s != ',')
+	    s++;
+	if (*s == ',')
+	    s++;
+    }
+
+    matrix->xx = args[0]; matrix->xy = args[1];
+    matrix->yx = args[2]; matrix->yy = args[3];
+    matrix->tx = args[4]; matrix->ty = args[5];
+}
+
+void
+xps_parse_matrix_transform(xps_context_t *ctx, xps_item_t *root, gs_matrix *matrix)
+{
+    char *transform;
+
+    gs_make_identity(matrix);
+
+    if (!strcmp(xps_tag(root), "MatrixTransform"))
+    {
+	transform = xps_att(root, "Matrix");
+	if (transform)
+	    xps_parse_render_transform(ctx, transform, matrix);
+    }
+}
+
+void
+xps_parse_rectangle(xps_context_t *ctx, char *text, gs_rect *rect)
+{
+    float args[4];
+    char *s = text;
+    int i;
+
+    args[0] = 0.0; args[1] = 0.0;
+    args[2] = 1.0; args[3] = 1.0;
+
+    for (i = 0; i < 4 && *s; i++)
+    {
+	args[i] = atof(s);
+	while (*s && *s != ',')
+	    s++;
+	if (*s == ',')
+	    s++;
+    }
+
+    rect->p.x = args[0];
+    rect->p.y = args[1];
+    rect->q.x = args[0] + args[2];
+    rect->q.y = args[1] + args[3];
+}
+