[gjs: 34/45] [cairo] Add a SolidPattern

[Johan Dahlin <johan src gnome org>]

commit 407514f6d842540490b36c3492daab24a838cab3
Author: Johan Dahlin <johan gnome org>
Date:   Tue Mar 2 11:50:44 2010 -0300

    [cairo] Add a SolidPattern

 Makefile-modules.am           |    1 +
 modules/cairo-pattern.c       |    4 +-
 modules/cairo-private.h       |    8 +++
 modules/cairo-solid-pattern.c |  127 +++++++++++++++++++++++++++++++++++++++++
 modules/cairo.c               |    5 ++
 5 files changed, 143 insertions(+), 2 deletions(-)
---
diff --git a/Makefile-modules.am b/Makefile-modules.am
index 7454471..604e4a1 100644
--- a/Makefile-modules.am
+++ b/Makefile-modules.am
@@ -97,6 +97,7 @@ cairoNative_la_SOURCES =                        \
 	modules/cairo-linear-gradient.c         \
 	modules/cairo-radial-gradient.c         \
 	modules/cairo-surface-pattern.c         \
+	modules/cairo-solid-pattern.c           \
 	modules/cairo.c
 
 
diff --git a/modules/cairo-pattern.c b/modules/cairo-pattern.c
index a3adb52..2382fa3 100644
--- a/modules/cairo-pattern.c
+++ b/modules/cairo-pattern.c
@@ -161,8 +161,8 @@ gjs_cairo_pattern_from_pattern(JSContext       *context,
     g_return_val_if_fail(pattern != NULL, NULL);
 
     switch (cairo_pattern_get_type(pattern)) {
-//        case CAIRO_PATTERN_TYPE_SOLID:
-//            return gjs_cairo_solid_pattern_from_pattern(context, pattern);
+        case CAIRO_PATTERN_TYPE_SOLID:
+            return gjs_cairo_solid_pattern_from_pattern(context, pattern);
         case CAIRO_PATTERN_TYPE_SURFACE:
             return gjs_cairo_surface_pattern_from_pattern(context, pattern);
         case CAIRO_PATTERN_TYPE_LINEAR:
diff --git a/modules/cairo-private.h b/modules/cairo-private.h
index d5f3789..0b252e1 100644
--- a/modules/cairo-private.h
+++ b/modules/cairo-private.h
@@ -141,5 +141,13 @@ jsval            gjs_cairo_surface_pattern_create_proto (JSContext       *contex
 JSObject *       gjs_cairo_surface_pattern_from_pattern (JSContext       *context,
                                                          cairo_pattern_t *pattern);
 
+/* solid pattern */
+jsval            gjs_cairo_solid_pattern_create_proto   (JSContext       *context,
+                                                         JSObject        *module,
+                                                         const char      *proto_name,
+                                                         JSObject        *parent);
+JSObject *       gjs_cairo_solid_pattern_from_pattern   (JSContext       *context,
+                                                         cairo_pattern_t *pattern);
+
 #endif /* __CAIRO_PRIVATE_H__ */
 
diff --git a/modules/cairo-solid-pattern.c b/modules/cairo-solid-pattern.c
new file mode 100644
index 0000000..b5e68c9
--- /dev/null
+++ b/modules/cairo-solid-pattern.c
@@ -0,0 +1,127 @@
+/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil; -*- */
+/* Copyright 2010 litl, LLC. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <config.h>
+
+#include <gjs/gjs.h>
+#include <cairo.h>
+#include "cairo-private.h"
+
+GJS_DEFINE_PROTO_ABSTRACT("CairoSolidPattern", gjs_cairo_solid_pattern)
+
+static void
+gjs_cairo_solid_pattern_finalize(JSContext *context,
+                                   JSObject  *obj)
+{
+    gjs_cairo_pattern_finalize_pattern(context, obj);
+}
+
+static JSPropertySpec gjs_cairo_solid_pattern_proto_props[] = {
+    { NULL }
+};
+
+static JSBool
+createRGB_func(JSContext *context,
+               JSObject  *object,
+               uintN      argc,
+               jsval     *argv,
+               jsval     *retval)
+{
+    double red, green, blue;
+    cairo_pattern_t *pattern;
+    JSObject *pattern_wrapper;
+
+    if (!gjs_parse_args(context, "createRGB", "fff", argc, argv,
+                        "red", &red,
+                        "green", &green,
+                        "blue", &blue))
+        return JS_FALSE;
+
+    pattern = cairo_pattern_create_rgb(red, green, blue);
+    if (!gjs_cairo_check_status(context, cairo_pattern_status(pattern), "pattern"))
+        return JS_FALSE;
+
+    pattern_wrapper = gjs_cairo_solid_pattern_from_pattern(context, pattern);
+    cairo_pattern_destroy(pattern);
+
+    *retval = OBJECT_TO_JSVAL(pattern_wrapper);
+
+    return JS_TRUE;
+}
+
+static JSBool
+createRGBA_func(JSContext *context,
+                JSObject  *object,
+                uintN      argc,
+                jsval     *argv,
+                jsval     *retval)
+{
+    double red, green, blue, alpha;
+    cairo_pattern_t *pattern;
+    JSObject *pattern_wrapper;
+
+    if (!gjs_parse_args(context, "createRGBA", "ffff", argc, argv,
+                        "red", &red,
+                        "green", &green,
+                        "blue", &blue,
+                        "alpha", &alpha))
+        return JS_FALSE;
+
+    pattern = cairo_pattern_create_rgba(red, green, blue, alpha);
+    if (!gjs_cairo_check_status(context, cairo_pattern_status(pattern), "pattern"))
+        return JS_FALSE;
+
+    pattern_wrapper = gjs_cairo_solid_pattern_from_pattern(context, pattern);
+    cairo_pattern_destroy(pattern);
+
+    *retval = OBJECT_TO_JSVAL(pattern_wrapper);
+
+    return JS_TRUE;
+}
+
+static JSFunctionSpec gjs_cairo_solid_pattern_proto_funcs[] = {
+    { "createRGB", createRGB_func, 0, 0 },
+    { "createRGBA", createRGBA_func, 0, 0 },
+    { NULL }
+};
+
+JSObject *
+gjs_cairo_solid_pattern_from_pattern(JSContext       *context,
+                                     cairo_pattern_t *pattern)
+{
+    JSObject *object;
+
+    g_return_val_if_fail(context != NULL, NULL);
+    g_return_val_if_fail(pattern != NULL, NULL);
+    g_return_val_if_fail(cairo_pattern_get_type(pattern) == CAIRO_PATTERN_TYPE_SOLID, NULL);
+
+    object = JS_NewObject(context, &gjs_cairo_solid_pattern_class, NULL, NULL);
+    if (!object) {
+        gjs_throw(context, "failed to create linear gradient pattern");
+        return NULL;
+    }
+
+    gjs_cairo_pattern_construct(context, object, pattern);
+
+    return object;
+}
+
diff --git a/modules/cairo.c b/modules/cairo.c
index ea11496..dab35cb 100644
--- a/modules/cairo.c
+++ b/modules/cairo.c
@@ -113,6 +113,11 @@ gjs_js_define_cairo_stuff(JSContext *context,
     if (obj == JSVAL_NULL)
         return JS_FALSE;
 
+    obj = gjs_cairo_solid_pattern_create_proto(context, module,
+                                               "SolidPattern", pattern_proto);
+    if (obj == JSVAL_NULL)
+        return JS_FALSE;
+
     return JS_TRUE;
 }