gdk: Give textures a color state

Adds gdk_texture_get_color_state() and GdkTexture::color-state property.

All texture implementations initialize the property to SRGB for now.

gdk/gdkdmabuftexture.c

@@ -20,6 +20,7 @@
 
 #include "gdkdmabuftextureprivate.h"
 
+#include "gdkcolorstateprivate.h"
 #include "gdkdisplayprivate.h"
 #include "gdkdmabufdownloaderprivate.h"
 #include "gdkdmabufformatsbuilderprivate.h"
@@ -200,6 +201,7 @@ gdk_dmabuf_texture_new_from_builder (GdkDmabufTextureBuilder *builder,
   self = g_object_new (GDK_TYPE_DMABUF_TEXTURE,
                        "width", width,
                        "height", height,
+                       "color-state", GDK_COLOR_STATE_SRGB,
                        NULL);
 
   g_set_object (&self->display, display);

gdk/gdkgltexture.c

@@ -20,6 +20,7 @@
 
 #include "gdkgltextureprivate.h"
 
+#include "gdkcolorstateprivate.h"
 #include "gdkdisplayprivate.h"
 #include "gdkglcontextprivate.h"
 #include "gdkmemoryformatprivate.h"
@@ -488,6 +489,7 @@ gdk_gl_texture_new_from_builder (GdkGLTextureBuilder *builder,
   self = g_object_new (GDK_TYPE_GL_TEXTURE,
                        "width", gdk_gl_texture_builder_get_width (builder),
                        "height", gdk_gl_texture_builder_get_height (builder),
+                       "color-state", GDK_COLOR_STATE_SRGB,
                        NULL);
 
   self->context = g_object_ref (gdk_gl_texture_builder_get_context (builder));
@@ -682,6 +684,7 @@ gdk_gl_texture_new (GdkGLContext   *context,
   self = g_object_new (GDK_TYPE_GL_TEXTURE,
                        "width", width,
                        "height", height,
+                       "color-state", GDK_COLOR_STATE_SRGB,
                        NULL);
 
   self->context = g_object_ref (context);

gdk/gdkmemorytexture.c

@@ -21,8 +21,8 @@
 
 #include "gdkmemorytextureprivate.h"
 
+#include "gdkcolorstateprivate.h"
 #include "gdkmemoryformatprivate.h"
-#include "gsk/gl/fp16private.h"
 
 /**
  * GdkMemoryTexture:
@@ -159,6 +159,7 @@ gdk_memory_texture_new (int              width,
   self = g_object_new (GDK_TYPE_MEMORY_TEXTURE,
                        "width", width,
                        "height", height,
+                       "color-state", GDK_COLOR_STATE_SRGB,
                        NULL);
 
   GDK_TEXTURE (self)->format = format;

gdk/gdktexture.c

@@ -40,11 +40,12 @@
 
 #include "gdktextureprivate.h"
 
-#include <glib/gi18n-lib.h>
+#include "gdkcolorstateprivate.h"
 #include "gdkmemorytextureprivate.h"
 #include "gdkpaintable.h"
 #include "gdksnapshot.h"
 
+#include <glib/gi18n-lib.h>
 #include <graphene.h>
 #include "loaders/gdkpngprivate.h"
 #include "loaders/gdktiffprivate.h"
@@ -69,6 +70,7 @@ enum {
   PROP_0,
   PROP_WIDTH,
   PROP_HEIGHT,
+  PROP_COLOR_STATE,
 
   N_PROPS
 };
@@ -282,6 +284,11 @@ gdk_texture_set_property (GObject      *gobject,
       self->height = g_value_get_int (value);
       break;
 
+    case PROP_COLOR_STATE:
+      self->color_state = g_value_dup_boxed (value);
+      g_assert (self->color_state);
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
       break;
@@ -306,6 +313,10 @@ gdk_texture_get_property (GObject    *gobject,
       g_value_set_int (value, self->height);
       break;
 
+    case PROP_COLOR_STATE:
+      g_value_set_boxed (value, self->color_state);
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
       break;
@@ -347,6 +358,16 @@ gdk_texture_dispose (GObject *object)
   G_OBJECT_CLASS (gdk_texture_parent_class)->dispose (object);
 }
 
+static void
+gdk_texture_finalize (GObject *object)
+{
+  GdkTexture *self = GDK_TEXTURE (object);
+
+  gdk_color_state_unref (self->color_state);
+
+  G_OBJECT_CLASS (gdk_texture_parent_class)->finalize (object);
+}
+
 static void
 gdk_texture_class_init (GdkTextureClass *klass)
 {
@@ -357,6 +378,7 @@ gdk_texture_class_init (GdkTextureClass *klass)
   gobject_class->set_property = gdk_texture_set_property;
   gobject_class->get_property = gdk_texture_get_property;
   gobject_class->dispose = gdk_texture_dispose;
+  gobject_class->finalize = gdk_texture_finalize;
 
   /**
    * GdkTexture:width: (attributes org.gtk.Property.get=gdk_texture_get_width)
@@ -388,12 +410,28 @@ gdk_texture_class_init (GdkTextureClass *klass)
                       G_PARAM_STATIC_STRINGS |
                       G_PARAM_EXPLICIT_NOTIFY);
 
+  /**
+   * GdkTexture:color-state: (attributes org.gtk.Property.get=gdk_texture_get_color_state)
+   *
+   * The color state of the texture.
+   *
+   * Since: 4.16
+   */
+  properties[PROP_COLOR_STATE] =
+    g_param_spec_boxed ("color-state", NULL, NULL,
+                        GDK_TYPE_COLOR_STATE,
+                        G_PARAM_READWRITE |
+                        G_PARAM_CONSTRUCT_ONLY |
+                        G_PARAM_STATIC_STRINGS |
+                        G_PARAM_EXPLICIT_NOTIFY);
+
   g_object_class_install_properties (gobject_class, N_PROPS, properties);
 }
 
 static void
 gdk_texture_init (GdkTexture *self)
 {
+  self->color_state = gdk_color_state_get_srgb ();
 }
 
 /**
@@ -727,6 +765,24 @@ gdk_texture_get_height (GdkTexture *texture)
   return texture->height;
 }
 
+/**
+ * gdk_texture_get_color_state: (attributes org.gtk.Method.get_property=color-state)
+ * @self: a `GdkTexture`
+ *
+ * Returns the color state associated with the texture.
+ *
+ * Returns: (transfer none): the color state of the `GdkTexture`
+ *
+ * Since: 4.16
+ */
+GdkColorState *
+gdk_texture_get_color_state (GdkTexture *self)
+{
+  g_return_val_if_fail (GDK_IS_TEXTURE (self), NULL);
+
+  return self->color_state;
+}
+
 void
 gdk_texture_do_download (GdkTexture      *texture,
                          GdkMemoryFormat  format,
@@ -1086,3 +1142,4 @@ gdk_texture_save_to_tiff_bytes (GdkTexture *texture)
 
   return gdk_save_tiff (texture);
 }
+

gdk/gdktexture.h

@@ -83,6 +83,9 @@ int                     gdk_texture_get_height                 (GdkTexture
 GDK_AVAILABLE_IN_4_10
 GdkMemoryFormat         gdk_texture_get_format                 (GdkTexture      *self) G_GNUC_PURE;
 
+GDK_AVAILABLE_IN_4_16
+GdkColorState *         gdk_texture_get_color_state            (GdkTexture      *self);
+
 GDK_AVAILABLE_IN_ALL
 void                    gdk_texture_download                   (GdkTexture      *texture,
                                                                 guchar          *data,

gdk/gdktextureprivate.h

@@ -25,6 +25,7 @@ struct _GdkTexture
   GdkMemoryFormat format;
   int width;
   int height;
+  GdkColorState *color_state;
 
   gpointer render_key;
   gpointer render_data;

testsuite/gdk/texture.c

@@ -73,6 +73,7 @@ compare_textures (GdkTexture *texture1,
 
   g_assert_true (gdk_texture_get_width (texture1) == gdk_texture_get_width (texture2));
   g_assert_true (gdk_texture_get_height (texture1) == gdk_texture_get_height (texture2));
+  g_assert_true (gdk_texture_get_color_state (texture1) == gdk_texture_get_color_state (texture2));
 
   width = gdk_texture_get_width (texture1);
   height = gdk_texture_get_height (texture1);
@@ -144,6 +145,7 @@ static void
 test_texture_from_resource (void)
 {
   GdkTexture *texture;
+  GdkColorState *color_state;
   int width, height;
 
   texture = gdk_texture_new_from_resource ("/org/gtk/libgtk/icons/16x16/places/user-trash.png");
@@ -152,10 +154,13 @@ test_texture_from_resource (void)
   g_object_get (texture,
                 "width", &width,
                 "height", &height,
+                "color-state", &color_state,
                 NULL);
   g_assert_cmpint (width, ==, 16);
   g_assert_cmpint (height, ==, 16);
+  g_assert_true (gdk_color_state_equal (color_state, gdk_color_state_get_srgb ()));
 
+  gdk_color_state_unref (color_state);
   g_object_unref (texture);
 }
 
@@ -237,6 +242,8 @@ test_texture_subtexture (void)
 
   g_assert_cmpint (gdk_texture_get_width (subtexture), ==, 32);
   g_assert_cmpint (gdk_texture_get_height (subtexture), ==, 32);
+  g_assert_true (gdk_color_state_equal (gdk_texture_get_color_state (subtexture),
+                                        gdk_texture_get_color_state (texture)));
 
   data = g_new0 (guchar, 64 * 64 * 4);
   stride = 64 * 4;