*
* You cannot get your pixel data back once you've uploaded it.
*
- * #GskTexture is an immutable structure: That means you cannot change
+ * #GskTexture is an immutable object: That means you cannot change
* anything about it other than increasing the reference count via
- * gsk_texture_ref().
+ * g_object_ref().
*/
#include "config.h"
#include "gdk/gdkinternals.h"
/**
- * GskTexture: (ref-func gsk_texture_ref) (unref-func gsk_texture_unref)
+ * GskTexture:
*
* The `GskTexture` structure contains only private data.
*
* Since: 3.90
*/
-G_DEFINE_BOXED_TYPE(GskTexture, gsk_texture, gsk_texture_ref, gsk_texture_unref)
+enum {
+ PROP_0,
+ PROP_WIDTH,
+ PROP_HEIGHT,
-static void
-gsk_texture_finalize (GskTexture *self)
-{
- gsk_texture_clear_render_data (self);
+ N_PROPS
+};
- self->klass->finalize (self);
+static GParamSpec *properties[N_PROPS];
- g_free (self);
+G_DEFINE_ABSTRACT_TYPE (GskTexture, gsk_texture, G_TYPE_OBJECT)
+
+#define GSK_TEXTURE_WARN_NOT_IMPLEMENTED_METHOD(obj,method) \
+ g_critical ("Texture of type '%s' does not implement GskTexture::" # method, G_OBJECT_TYPE_NAME (obj))
+
+static void
+gsk_texture_real_download (GskTexture *self,
+ guchar *data,
+ gsize stride)
+{
+ GSK_TEXTURE_WARN_NOT_IMPLEMENTED_METHOD (self, download);
}
-/**
- * gsk_texture_ref:
- * @texture: a #GskTexture
- *
- * Acquires a reference on the given #GskTexture.
- *
- * Returns: (transfer none): the #GskTexture with an additional reference
- *
- * Since: 3.90
- */
-GskTexture *
-gsk_texture_ref (GskTexture *texture)
+static cairo_surface_t *
+gsk_texture_real_download_surface (GskTexture *texture)
{
- g_return_val_if_fail (GSK_IS_TEXTURE (texture), NULL);
+ cairo_surface_t *surface;
- g_atomic_int_inc (&texture->ref_count);
+ surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
+ texture->width, texture->height);
+ gsk_texture_download (texture,
+ cairo_image_surface_get_data (surface),
+ cairo_image_surface_get_stride (surface));
+ cairo_surface_mark_dirty (surface);
- return texture;
+ return surface;
}
-/**
- * gsk_texture_unref:
- * @texture: a #GskTexture
- *
- * Releases a reference on the given #GskTexture.
- *
- * If the reference was the last, the resources associated to the @texture are
- * freed.
- *
- * Since: 3.90
- */
-void
-gsk_texture_unref (GskTexture *texture)
+static void
+gsk_texture_set_property (GObject *gobject,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
{
- g_return_if_fail (GSK_IS_TEXTURE (texture));
-
- if (g_atomic_int_dec_and_test (&texture->ref_count))
- gsk_texture_finalize (texture);
+ GskTexture *self = GSK_TEXTURE (gobject);
+
+ switch (prop_id)
+ {
+ case PROP_WIDTH:
+ self->width = g_value_get_int (value);
+ break;
+
+ case PROP_HEIGHT:
+ self->height = g_value_get_int (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
+ break;
+ }
}
-gpointer
-gsk_texture_new (const GskTextureClass *klass,
- int width,
- int height)
+static void
+gsk_texture_get_property (GObject *gobject,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
{
- GskTexture *self;
+ GskTexture *self = GSK_TEXTURE (gobject);
+
+ switch (prop_id)
+ {
+ case PROP_WIDTH:
+ g_value_set_int (value, self->width);
+ break;
+
+ case PROP_HEIGHT:
+ g_value_set_int (value, self->height);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
+ break;
+ }
+}
- g_assert (klass->size >= sizeof (GskTexture));
+static void
+gsk_texture_dispose (GObject *object)
+{
+ GskTexture *self = GSK_TEXTURE (object);
- self = g_malloc0 (klass->size);
+ gsk_texture_clear_render_data (self);
- self->klass = klass;
- self->ref_count = 1;
+ G_OBJECT_CLASS (gsk_texture_parent_class)->dispose (object);
+}
- self->width = width;
- self->height = height;
+static void
+gsk_texture_class_init (GskTextureClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ klass->download = gsk_texture_real_download;
+ klass->download_surface = gsk_texture_real_download_surface;
+
+ gobject_class->set_property = gsk_texture_set_property;
+ gobject_class->get_property = gsk_texture_get_property;
+ gobject_class->dispose = gsk_texture_dispose;
+
+ /**
+ * GskRenderer:width:
+ *
+ * The width of the texture.
+ *
+ * Since: 3.90
+ */
+ properties[PROP_WIDTH] =
+ g_param_spec_int ("width",
+ "Width",
+ "The width of the texture",
+ 1,
+ G_MAXINT,
+ 1,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_STATIC_STRINGS |
+ G_PARAM_EXPLICIT_NOTIFY);
+
+ /**
+ * GskRenderer:height:
+ *
+ * The height of the texture.
+ *
+ * Since: 3.90
+ */
+ properties[PROP_HEIGHT] =
+ g_param_spec_int ("height",
+ "Height",
+ "The height of the texture",
+ 1,
+ G_MAXINT,
+ 1,
+ 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);
+}
- return self;
+static void
+gsk_texture_init (GskTexture *self)
+{
}
/* GskCairoTexture */
-typedef struct _GskCairoTexture GskCairoTexture;
+#define GSK_TYPE_CAIRO_TEXTURE (gsk_cairo_texture_get_type ())
+
+G_DECLARE_FINAL_TYPE (GskCairoTexture, gsk_cairo_texture, GSK, CAIRO_TEXTURE, GskTexture)
struct _GskCairoTexture {
- GskTexture texture;
+ GskTexture parent_instance;
cairo_surface_t *surface;
};
+struct _GskCairoTextureClass {
+ GskTextureClass parent_class;
+};
+
+G_DEFINE_TYPE (GskCairoTexture, gsk_cairo_texture, GSK_TYPE_TEXTURE)
+
static void
-gsk_texture_cairo_finalize (GskTexture *texture)
+gsk_cairo_texture_finalize (GObject *object)
{
- GskCairoTexture *cairo = (GskCairoTexture *) texture;
+ GskCairoTexture *self = GSK_CAIRO_TEXTURE (object);
+
+ cairo_surface_destroy (self->surface);
- cairo_surface_destroy (cairo->surface);
+ G_OBJECT_CLASS (gsk_cairo_texture_parent_class)->finalize (object);
}
static cairo_surface_t *
-gsk_texture_cairo_download_surface (GskTexture *texture)
+gsk_cairo_texture_download_surface (GskTexture *texture)
{
- GskCairoTexture *cairo = (GskCairoTexture *) texture;
+ GskCairoTexture *self = GSK_CAIRO_TEXTURE (texture);
- return cairo_surface_reference (cairo->surface);
+ return cairo_surface_reference (self->surface);
}
static void
-gsk_texture_cairo_download (GskTexture *texture,
+gsk_cairo_texture_download (GskTexture *texture,
guchar *data,
gsize stride)
{
- GskCairoTexture *cairo = (GskCairoTexture *) texture;
+ GskCairoTexture *self = GSK_CAIRO_TEXTURE (texture);
cairo_surface_t *surface;
cairo_t *cr;
stride);
cr = cairo_create (surface);
- cairo_set_source_surface (cr, cairo->surface, 0, 0);
+ cairo_set_source_surface (cr, self->surface, 0, 0);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_paint (cr);
cairo_surface_destroy (surface);
}
-static const GskTextureClass GSK_TEXTURE_CLASS_CAIRO = {
- "cairo",
- sizeof (GskCairoTexture),
- gsk_texture_cairo_finalize,
- gsk_texture_cairo_download,
- gsk_texture_cairo_download_surface
-};
-
-GskTexture *
-gsk_texture_new_for_surface (cairo_surface_t *surface)
+static void
+gsk_cairo_texture_class_init (GskCairoTextureClass *klass)
{
- GskCairoTexture *texture;
-
- g_return_val_if_fail (cairo_surface_get_type (surface) == CAIRO_SURFACE_TYPE_IMAGE, NULL);
+ GskTextureClass *texture_class = GSK_TEXTURE_CLASS (klass);
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- texture = gsk_texture_new (&GSK_TEXTURE_CLASS_CAIRO,
- cairo_image_surface_get_width (surface),
- cairo_image_surface_get_height (surface));
+ texture_class->download = gsk_cairo_texture_download;
+ texture_class->download_surface = gsk_cairo_texture_download_surface;
- texture->surface = cairo_surface_reference (surface);
+ gobject_class->finalize = gsk_cairo_texture_finalize;
+}
- return (GskTexture *) texture;
+static void
+gsk_cairo_texture_init (GskCairoTexture *self)
+{
}
GskTexture *
texture = gsk_texture_new_for_surface (copy);
cairo_surface_destroy (copy);
+ cairo_surface_finish (original);
cairo_surface_destroy (original);
return texture;
}
+GskTexture *
+gsk_texture_new_for_surface (cairo_surface_t *surface)
+{
+ GskCairoTexture *texture;
+
+ g_return_val_if_fail (cairo_surface_get_type (surface) == CAIRO_SURFACE_TYPE_IMAGE, NULL);
+
+ texture = g_object_new (GSK_TYPE_CAIRO_TEXTURE,
+ "width", cairo_image_surface_get_width (surface),
+ "height", cairo_image_surface_get_height (surface),
+ NULL);
+
+ texture->surface = cairo_surface_reference (surface);
+
+ return (GskTexture *) texture;
+}
+
/* GskPixbufTexture */
-typedef struct _GskPixbufTexture GskPixbufTexture;
+#define GSK_TYPE_PIXBUF_TEXTURE (gsk_pixbuf_texture_get_type ())
+
+G_DECLARE_FINAL_TYPE (GskPixbufTexture, gsk_pixbuf_texture, GSK, PIXBUF_TEXTURE, GskTexture)
struct _GskPixbufTexture {
- GskTexture texture;
+ GskTexture parent_instance;
+
GdkPixbuf *pixbuf;
};
+struct _GskPixbufTextureClass {
+ GskTextureClass parent_class;
+};
+
+G_DEFINE_TYPE (GskPixbufTexture, gsk_pixbuf_texture, GSK_TYPE_TEXTURE)
+
static void
-gsk_texture_pixbuf_finalize (GskTexture *texture)
+gsk_pixbuf_texture_finalize (GObject *object)
{
- GskPixbufTexture *pixbuf = (GskPixbufTexture *) texture;
+ GskPixbufTexture *self = GSK_PIXBUF_TEXTURE (object);
- g_object_unref (pixbuf->pixbuf);
+ g_object_unref (self->pixbuf);
+
+ G_OBJECT_CLASS (gsk_pixbuf_texture_parent_class)->finalize (object);
}
static void
-gsk_texture_pixbuf_download (GskTexture *texture,
+gsk_pixbuf_texture_download (GskTexture *texture,
guchar *data,
gsize stride)
{
- GskPixbufTexture *pixbuf = (GskPixbufTexture *) texture;
+ GskPixbufTexture *self = GSK_PIXBUF_TEXTURE (texture);
cairo_surface_t *surface;
surface = cairo_image_surface_create_for_data (data,
CAIRO_FORMAT_ARGB32,
texture->width, texture->height,
stride);
- gdk_cairo_surface_paint_pixbuf (surface, pixbuf->pixbuf);
+ gdk_cairo_surface_paint_pixbuf (surface, self->pixbuf);
cairo_surface_finish (surface);
cairo_surface_destroy (surface);
}
static cairo_surface_t *
-gsk_texture_pixbuf_download_surface (GskTexture *texture)
+gsk_pixbuf_texture_download_surface (GskTexture *texture)
{
- GskPixbufTexture *pixbuf = (GskPixbufTexture *) texture;
+ GskPixbufTexture *self = GSK_PIXBUF_TEXTURE (texture);
- return gdk_cairo_surface_create_from_pixbuf (pixbuf->pixbuf, 1, NULL);
+ return gdk_cairo_surface_create_from_pixbuf (self->pixbuf, 1, NULL);
}
-static const GskTextureClass GSK_TEXTURE_CLASS_PIXBUF = {
- "pixbuf",
- sizeof (GskPixbufTexture),
- gsk_texture_pixbuf_finalize,
- gsk_texture_pixbuf_download,
- gsk_texture_pixbuf_download_surface
-};
+static void
+gsk_pixbuf_texture_class_init (GskPixbufTextureClass *klass)
+{
+ GskTextureClass *texture_class = GSK_TEXTURE_CLASS (klass);
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ texture_class->download = gsk_pixbuf_texture_download;
+ texture_class->download_surface = gsk_pixbuf_texture_download_surface;
+
+ gobject_class->finalize = gsk_pixbuf_texture_finalize;
+}
+
+static void
+gsk_pixbuf_texture_init (GskPixbufTexture *self)
+{
+}
GskTexture *
gsk_texture_new_for_pixbuf (GdkPixbuf *pixbuf)
{
- GskPixbufTexture *texture;
+ GskPixbufTexture *self;
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
- texture = gsk_texture_new (&GSK_TEXTURE_CLASS_PIXBUF,
- gdk_pixbuf_get_width (pixbuf),
- gdk_pixbuf_get_height (pixbuf));
+ self = g_object_new (GSK_TYPE_PIXBUF_TEXTURE,
+ "width", gdk_pixbuf_get_width (pixbuf),
+ "height", gdk_pixbuf_get_height (pixbuf),
+ NULL);
- texture->pixbuf = g_object_ref (pixbuf);
+ self->pixbuf = g_object_ref (pixbuf);
- return &texture->texture;
+ return GSK_TEXTURE (self);
}
/**
cairo_surface_t *
gsk_texture_download_surface (GskTexture *texture)
{
- cairo_surface_t *surface;
-
- if (texture->klass->download_surface)
- return texture->klass->download_surface (texture);
-
- surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
- texture->width, texture->height);
- gsk_texture_download (texture,
- cairo_image_surface_get_data (surface),
- cairo_image_surface_get_stride (surface));
- cairo_surface_mark_dirty (surface);
-
- return surface;
+ return GSK_TEXTURE_GET_CLASS (texture)->download_surface (texture);
}
/**
g_return_if_fail (data != NULL);
g_return_if_fail (stride >= gsk_texture_get_width (texture) * 4);
- return texture->klass->download (texture, data, stride);
+ return GSK_TEXTURE_GET_CLASS (texture)->download (texture, data, stride);
}
gboolean
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