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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "surfacepaintable.hxx"
struct _SurfacePaintable
{
GObject parent_instance;
int width;
int height;
cairo_surface_t* surface;
};
namespace
{
struct _SurfacePaintableClass : public GObjectClass
{
};
}
static void surface_paintable_snapshot(GdkPaintable* paintable, GdkSnapshot* snapshot, double width,
double height)
{
graphene_rect_t rect
= GRAPHENE_RECT_INIT(0.0f, 0.0f, static_cast<float>(width), static_cast<float>(height));
SurfacePaintable* self = SURFACE_PAINTABLE(paintable);
cairo_t* cr = gtk_snapshot_append_cairo(GTK_SNAPSHOT(snapshot), &rect);
cairo_set_source_surface(cr, self->surface, 0, 0);
cairo_paint(cr);
cairo_destroy(cr);
}
static GdkPaintableFlags surface_paintable_get_flags(GdkPaintable* /*paintable*/)
{
return static_cast<GdkPaintableFlags>(GDK_PAINTABLE_STATIC_SIZE
| GDK_PAINTABLE_STATIC_CONTENTS);
}
static int surface_paintable_get_intrinsic_width(GdkPaintable* paintable)
{
SurfacePaintable* self = SURFACE_PAINTABLE(paintable);
return self->width;
}
static int surface_paintable_get_intrinsic_height(GdkPaintable* paintable)
{
SurfacePaintable* self = SURFACE_PAINTABLE(paintable);
return self->height;
}
static void surface_paintable_init_interface(GdkPaintableInterface* iface)
{
iface->snapshot = surface_paintable_snapshot;
iface->get_flags = surface_paintable_get_flags;
iface->get_intrinsic_width = surface_paintable_get_intrinsic_width;
iface->get_intrinsic_height = surface_paintable_get_intrinsic_height;
}
G_DEFINE_TYPE_WITH_CODE(SurfacePaintable, surface_paintable, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE(GDK_TYPE_PAINTABLE,
surface_paintable_init_interface));
static void surface_paintable_init(SurfacePaintable* self)
{
self->width = 0;
self->height = 0;
self->surface = nullptr;
// prevent loplugin:unreffun firing on macro generated function
(void)surface_paintable_get_instance_private(self);
}
static void surface_paintable_dispose(GObject* object)
{
SurfacePaintable* self = SURFACE_PAINTABLE(object);
cairo_surface_destroy(self->surface);
G_OBJECT_CLASS(surface_paintable_parent_class)->dispose(object);
}
static void surface_paintable_class_init(SurfacePaintableClass* klass)
{
GObjectClass* object_class = G_OBJECT_CLASS(klass);
object_class->dispose = surface_paintable_dispose;
}
void surface_paintable_set_source(SurfacePaintable* pPaintable, cairo_surface_t* pSource,
int nWidth, int nHeight)
{
pPaintable->surface = pSource;
pPaintable->width = nWidth;
pPaintable->height = nHeight;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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