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authorTavian Barnes <tavianator@gmail.com>2010-11-08 02:07:31 -0500
committerTavian Barnes <tavianator@gmail.com>2010-11-08 02:07:31 -0500
commit60190f7766be07d4fdee26eff6e2edc3d1842d99 (patch)
tree2c4207967a98e16c663b517f915cefb98506d57a /dimension/realize.c
parente2d6da1e349d84b491dbbea40a34200c2d58dfe6 (diff)
downloaddimension-60190f7766be07d4fdee26eff6e2edc3d1842d99.tar.xz
Add gradient pattern support to dimension.
Diffstat (limited to 'dimension/realize.c')
-rw-r--r--dimension/realize.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/dimension/realize.c b/dimension/realize.c
index bac3d7e..859919f 100644
--- a/dimension/realize.c
+++ b/dimension/realize.c
@@ -460,6 +460,14 @@ dmnsn_realize_pattern(dmnsn_astnode astnode)
case DMNSN_AST_CHECKER:
pattern = dmnsn_new_checker_pattern();
break;
+ case DMNSN_AST_GRADIENT:
+ {
+ dmnsn_astnode orientation;
+ dmnsn_array_get(type.children, 0, &orientation);
+ dmnsn_vector v = dmnsn_realize_vector(orientation);
+ pattern = dmnsn_new_gradient_pattern(v);
+ break;
+ }
default:
dmnsn_assert(false, "Unexpected pattern type.");
@@ -488,6 +496,30 @@ dmnsn_realize_color_list(dmnsn_astnode astnode)
return color_map;
}
+static dmnsn_color_map *
+dmnsn_realize_color_map(dmnsn_astnode astnode)
+{
+ dmnsn_assert(astnode.type == DMNSN_AST_COLOR_MAP, "Expected a color_map.");
+
+ dmnsn_color_map *color_map = dmnsn_new_color_map();
+
+ DMNSN_ARRAY_FOREACH (dmnsn_astnode *, entry, astnode.children) {
+ dmnsn_assert(entry->type == DMNSN_AST_COLOR_MAP_ENTRY,
+ "Expected a color_map entry.");
+
+ dmnsn_astnode n_node, color_node;
+ dmnsn_array_get(entry->children, 0, &n_node);
+ dmnsn_array_get(entry->children, 1, &color_node);
+
+ double n = dmnsn_realize_float(n_node);
+ dmnsn_color color = dmnsn_realize_color(color_node);
+
+ dmnsn_add_color_map_entry(color_map, n, color);
+ }
+
+ return color_map;
+}
+
static dmnsn_pigment *
dmnsn_realize_pattern_pigment(dmnsn_astnode type, dmnsn_astnode modifiers)
{
@@ -504,6 +536,9 @@ dmnsn_realize_pattern_pigment(dmnsn_astnode type, dmnsn_astnode modifiers)
case DMNSN_AST_COLOR_LIST:
color_map = dmnsn_realize_color_list(*modifier);
break;
+ case DMNSN_AST_COLOR_MAP:
+ color_map = dmnsn_realize_color_map(*modifier);
+ break;
default:
break;
@@ -555,6 +590,7 @@ dmnsn_realize_pigment_modifiers(dmnsn_astnode astnode, dmnsn_pigment *pigment)
break;
case DMNSN_AST_COLOR_LIST:
+ case DMNSN_AST_COLOR_MAP:
/* Already handled by dmnsn_realize_pattern_pigment() */
break;