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-rw-r--r--dimension/realize.c49
1 files changed, 44 insertions, 5 deletions
diff --git a/dimension/realize.c b/dimension/realize.c
index 463c27e..a40095a 100644
--- a/dimension/realize.c
+++ b/dimension/realize.c
@@ -56,6 +56,14 @@ dmnsn_realize_float(dmnsn_astnode astnode)
}
}
+/* dmnsn_realize_string is an API function, so call this dmnsn_realize_str */
+static const char*
+dmnsn_realize_str(dmnsn_astnode astnode)
+{
+ dmnsn_assert(astnode.type == DMNSN_AST_STRING, "Expected a string.");
+ return astnode.ptr;
+}
+
static dmnsn_vector
dmnsn_realize_vector(dmnsn_astnode astnode)
{
@@ -426,21 +434,52 @@ dmnsn_realize_pigment(dmnsn_astnode astnode)
dmnsn_pigment *pigment = NULL;
- dmnsn_astnode color_node;
- dmnsn_array_get(astnode.children, 0, &color_node);
+ dmnsn_astnode type_node;
+ dmnsn_array_get(astnode.children, 0, &type_node);
dmnsn_color color;
- switch (color_node.type) {
+ switch (type_node.type) {
case DMNSN_AST_NONE:
break;
case DMNSN_AST_VECTOR:
- color = dmnsn_realize_color(color_node);
+ color = dmnsn_realize_color(type_node);
pigment = dmnsn_new_solid_pigment(color);
break;
+ case DMNSN_AST_IMAGE_MAP:
+ {
+ dmnsn_astnode filetype, strnode;
+ dmnsn_array_get(type_node.children, 0, &filetype);
+ dmnsn_array_get(type_node.children, 1, &strnode);
+
+ const char *path = dmnsn_realize_str(strnode);
+ FILE *file = fopen(path, "rb");
+ if (!file) {
+ dmnsn_error(DMNSN_SEVERITY_MEDIUM, "Couldn't open image file.");
+ return NULL;
+ }
+
+ dmnsn_canvas *canvas;
+ switch (filetype.type) {
+ case DMNSN_AST_PNG:
+ canvas = dmnsn_png_read_canvas(file);
+ if (!canvas) {
+ dmnsn_error(DMNSN_SEVERITY_MEDIUM, "Invalid PNG file.");
+ return NULL;
+ }
+ pigment = dmnsn_new_canvas_pigment(canvas);
+ break;
+
+ default:
+ dmnsn_assert(false, "Invalid image_map type.");
+ break;
+ }
+ break;
+ }
+
default:
- dmnsn_assert(false, "Invalid pigment color.");
+ dmnsn_assert(false, "Invalid pigment type.");
}
dmnsn_astnode modifiers;