static void
recorder_fetch_cursor_image (ShellRecorder *recorder)
{
CoglTexture *texture;
int width, height;
int stride;
guint8 *data;
texture = meta_cursor_tracker_get_sprite (recorder->cursor_tracker);
if (!texture)
return;
width = cogl_texture_get_width (texture);
height = cogl_texture_get_height (texture);
stride = 4 * width;
data = g_new (guint8, stride * height);
cogl_texture_get_data (texture, CLUTTER_CAIRO_FORMAT_ARGB32, stride, data);
/* FIXME: cairo-gl? */
recorder->cursor_image = cairo_image_surface_create_for_data (data,
CAIRO_FORMAT_ARGB32,
width, height,
stride);
recorder->cursor_memory = data;
}
CoglPipeline *
_st_create_shadow_pipeline (StShadow *shadow_spec,
CoglTexture *src_texture)
{
ClutterBackend *backend = clutter_get_default_backend ();
CoglContext *ctx = clutter_backend_get_cogl_context (backend);
static CoglPipeline *shadow_pipeline_template = NULL;
CoglPipeline *pipeline;
CoglTexture *texture;
guchar *pixels_in, *pixels_out;
gint width_in, height_in, rowstride_in;
gint width_out, height_out, rowstride_out;
g_return_val_if_fail (shadow_spec != NULL, NULL);
g_return_val_if_fail (src_texture != NULL, NULL);
width_in = cogl_texture_get_width (src_texture);
height_in = cogl_texture_get_height (src_texture);
rowstride_in = (width_in + 3) & ~3;
pixels_in = g_malloc0 (rowstride_in * height_in);
cogl_texture_get_data (src_texture, COGL_PIXEL_FORMAT_A_8,
rowstride_in, pixels_in);
pixels_out = blur_pixels (pixels_in, width_in, height_in, rowstride_in,
shadow_spec->blur,
&width_out, &height_out, &rowstride_out);
g_free (pixels_in);
texture = COGL_TEXTURE (cogl_texture_2d_new_from_data (ctx, width_out, height_out,
COGL_PIXEL_FORMAT_A_8,
rowstride_out,
pixels_out,
NULL));
g_free (pixels_out);
if (G_UNLIKELY (shadow_pipeline_template == NULL))
{
CoglContext *ctx =
clutter_backend_get_cogl_context (clutter_get_default_backend ());
shadow_pipeline_template = cogl_pipeline_new (ctx);
/* We set up the pipeline to blend the shadow texture with the combine
* constant, but defer setting the latter until painting, so that we can
* take the actor's overall opacity into account. */
cogl_pipeline_set_layer_combine (shadow_pipeline_template, 0,
"RGBA = MODULATE (CONSTANT, TEXTURE[A])",
NULL);
}
pipeline = cogl_pipeline_copy (shadow_pipeline_template);
cogl_pipeline_set_layer_texture (pipeline, 0, texture);
cogl_object_unref (texture);
return pipeline;
}
CoglHandle
_st_create_shadow_material (StShadow *shadow_spec,
CoglHandle src_texture)
{
static CoglHandle shadow_material_template = COGL_INVALID_HANDLE;
CoglHandle material;
CoglHandle texture;
guchar *pixels_in, *pixels_out;
gint width_in, height_in, rowstride_in;
gint width_out, height_out, rowstride_out;
g_return_val_if_fail (shadow_spec != NULL, COGL_INVALID_HANDLE);
g_return_val_if_fail (src_texture != COGL_INVALID_HANDLE,
COGL_INVALID_HANDLE);
width_in = cogl_texture_get_width (src_texture);
height_in = cogl_texture_get_height (src_texture);
rowstride_in = (width_in + 3) & ~3;
pixels_in = g_malloc0 (rowstride_in * height_in);
cogl_texture_get_data (src_texture, COGL_PIXEL_FORMAT_A_8,
rowstride_in, pixels_in);
pixels_out = blur_pixels (pixels_in, width_in, height_in, rowstride_in,
shadow_spec->blur,
&width_out, &height_out, &rowstride_out);
g_free (pixels_in);
texture = cogl_texture_new_from_data (width_out,
height_out,
COGL_TEXTURE_NONE,
COGL_PIXEL_FORMAT_A_8,
COGL_PIXEL_FORMAT_A_8,
rowstride_out,
pixels_out);
g_free (pixels_out);
if (G_UNLIKELY (shadow_material_template == COGL_INVALID_HANDLE))
{
shadow_material_template = cogl_material_new ();
/* We set up the material to blend the shadow texture with the combine
* constant, but defer setting the latter until painting, so that we can
* take the actor's overall opacity into account. */
cogl_material_set_layer_combine (shadow_material_template, 0,
"RGBA = MODULATE (CONSTANT, TEXTURE[A])",
NULL);
}
material = cogl_material_copy (shadow_material_template);
cogl_material_set_layer (material, 0, texture);
cogl_handle_unref (texture);
return material;
}
static void
wayland_damage_buffer(ClutterStageWaylandWaylandBuffer *generic_buffer)
{
ClutterStageWaylandWaylandBufferSHM *buffer;
int size;
if (generic_buffer->type != BUFFER_TYPE_SHM)
return;
buffer = (ClutterStageWaylandWaylandBufferSHM *)generic_buffer;
size = cogl_texture_get_data(buffer->buffer.tex, buffer->format,
buffer->stride, NULL);
g_assert(size == (int)buffer->size);
(void) cogl_texture_get_data(buffer->buffer.tex, buffer->format,
buffer->stride, buffer->data);
}
static gboolean
_cogl_texture_pixmap_x11_get_data (CoglTexture *tex,
CoglPixelFormat format,
int rowstride,
uint8_t *data)
{
CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex);
CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap);
/* Forward on to the child texture */
return cogl_texture_get_data (child_tex, format, rowstride, data);
}
static gboolean
_cogl_blit_get_tex_data_begin (CoglBlitData *data)
{
data->format = cogl_texture_get_format (data->src_tex);
data->bpp = _cogl_get_format_bpp (data->format);
data->image_data = g_malloc (data->bpp * data->src_width *
data->src_height);
cogl_texture_get_data (data->src_tex, data->format,
data->src_width * data->bpp, data->image_data);
return TRUE;
}
static void
_draw_cursor_image (MetaCursorTracker *tracker,
cairo_surface_t *surface,
cairo_rectangle_int_t area)
{
CoglTexture *texture;
int width, height;
int stride;
guint8 *data;
cairo_surface_t *cursor_surface;
cairo_region_t *screenshot_region;
cairo_t *cr;
int x, y;
int xhot, yhot;
screenshot_region = cairo_region_create_rectangle (&area);
get_pointer_coords (&x, &y);
if (!cairo_region_contains_point (screenshot_region, x, y))
{
cairo_region_destroy (screenshot_region);
return;
}
texture = meta_cursor_tracker_get_sprite (tracker);
meta_cursor_tracker_get_hot (tracker, &xhot, &yhot);
width = cogl_texture_get_width (texture);
height = cogl_texture_get_height (texture);
stride = 4 * width;
data = g_new (guint8, stride * height);
cogl_texture_get_data (texture, CLUTTER_CAIRO_FORMAT_ARGB32, stride, data);
/* FIXME: cairo-gl? */
cursor_surface = cairo_image_surface_create_for_data (data,
CAIRO_FORMAT_ARGB32,
width, height,
stride);
cr = cairo_create (surface);
cairo_set_source_surface (cr,
cursor_surface,
x - xhot - area.x,
y - yhot - area.y);
cairo_paint (cr);
cairo_destroy (cr);
cairo_surface_destroy (cursor_surface);
cairo_region_destroy (screenshot_region);
g_free (data);
}
static ClutterStageWaylandWaylandBuffer *
wayland_create_shm_buffer (ClutterBackendWayland *backend_wayland,
ClutterGeometry *geom)
{
ClutterStageWaylandWaylandBufferSHM *buffer;
struct wl_visual *visual;
CoglHandle tex;
CoglTextureFlags flags = COGL_TEXTURE_NONE; /* XXX: tweak flags? */
CoglPixelFormat format = VISUAL_ARGB_PRE;
int fd;
gchar tmp[] = "/tmp/clutter-wayland-shm-XXXXXX";
buffer = g_slice_new (ClutterStageWaylandWaylandBufferSHM);
buffer->buffer.type = BUFFER_TYPE_SHM;
tex = cogl_texture_new_with_size ((unsigned int)geom->width,
(unsigned int)geom->height,
flags, format);
buffer->format = format;
buffer->stride = cogl_texture_get_rowstride(tex);
buffer->size = cogl_texture_get_data(tex, format, buffer->stride, NULL);
buffer->buffer.tex = tex;
fd = g_mkstemp_full(tmp, O_RDWR, 0600);
ftruncate(fd, buffer->size);
buffer->data = mmap(NULL, buffer->size, PROT_READ | PROT_WRITE,
MAP_SHARED, fd, 0);
g_unlink(tmp);
visual = get_visual (backend_wayland->wayland_display, format);
buffer->buffer.wayland_buffer =
wl_shm_create_buffer (backend_wayland->wayland_shm,
fd,
geom->width,
geom->height,
buffer->stride, visual);
close(fd);
return &buffer->buffer;
}
static VALUE
rb_cogl_texture_get_data (int argc, VALUE *argv, VALUE self)
{
CoglHandle tex = rb_cogl_texture_get_handle (self);
VALUE format_arg, rowstride_arg;
CoglPixelFormat format;
guint rowstride;
VALUE data;
rb_scan_args (argc, argv, "02", &format_arg, &rowstride_arg);
format = NIL_P (format_arg)
? cogl_texture_get_format (tex) : NUM2UINT (format_arg);
rowstride = (NIL_P (rowstride_arg) || NUM2UINT (rowstride_arg) == 0)
? cogl_texture_get_rowstride (tex) : NUM2UINT (rowstride_arg);
data = rb_str_buf_new (rowstride * cogl_texture_get_height (tex));
cogl_texture_get_data (tex, format, rowstride,
(guchar *) RSTRING (data)->ptr);
RSTRING (data)->len = rowstride * cogl_texture_get_height (tex);
return data;
}
int
main (int argc, char *argv[])
{
ClutterActor *video;
GdkPixbuf *shot = NULL;
gint duration;
CoglHandle tex_id;
CoglPixelFormat format;
gint size;
gint width;
gint height;
gint rowstride;
guchar *data = NULL;
#ifdef USE_HELIX
clutter_helix_init (&argc, &argv);
#else
gst_init (&argc, &argv);
#endif
clutter_init (&argc, &argv);
if (argc < 3)
{
g_print ("Usage: %s <path to movie file> <output png>\n", argv[0]);
exit(-1);
}
totem_resources_monitor_start (argv[1], 60 * G_USEC_PER_SEC);
#ifdef USE_HELIX
video = clutter_helix_video_texture_new ();
#else
video = clutter_gst_video_texture_new ();
#endif
if (argv[1][0] == '/')
clutter_media_set_filename(CLUTTER_MEDIA(video), argv[1]);
else
clutter_media_set_uri(CLUTTER_MEDIA(video), argv[1]);
clutter_media_set_volume (CLUTTER_MEDIA(video), 0);
clutter_media_set_playing (CLUTTER_MEDIA(video), TRUE);
do {
while (g_main_context_pending (NULL))
g_main_context_iteration (NULL, FALSE);
duration = clutter_media_get_duration (CLUTTER_MEDIA(video));
} while (duration == 0);
clutter_actor_realize (video);
clutter_media_set_position (CLUTTER_MEDIA(video), duration/3);
do {
while (g_main_context_pending (NULL))
g_main_context_iteration (NULL, FALSE);
} while (clutter_media_get_position (CLUTTER_MEDIA(video)) <= duration/3);
tex_id = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (video));
if (tex_id)
{
format = cogl_texture_get_format (tex_id);
size = cogl_texture_get_data (tex_id, format, 0, NULL);
width = cogl_texture_get_width (tex_id);
height = cogl_texture_get_height (tex_id);
rowstride = cogl_texture_get_rowstride (tex_id);
data = (guchar*) g_malloc (sizeof(guchar) * size);
if (!data)
g_error ("malloc");;
cogl_texture_get_data (tex_id, format, rowstride, data);
shot = gdk_pixbuf_new_from_data (data,
GDK_COLORSPACE_RGB,
FALSE,
8,
width,
height,
rowstride,
NULL,
NULL);
}
totem_resources_monitor_stop ();
if (shot)
{
GdkPixbuf *thumb, *pic;
gint x, y, nw, nh, w, h, size;
size = 128;
/* FIXME swap RGB pixels */
w = clutter_actor_get_width (video);
h = clutter_actor_get_height (video);
nh = ( h * size) / w;
if (nh <= size)
{
nw = size;
x = 0;
y = (size - nh) / 2;
}
else
{
nw = ( w * size ) / h;
nh = size;
x = (size - nw) / 2;
y = 0;
}
thumb = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, size, size);
gdk_pixbuf_fill (thumb, 0x000000FF);
pic = gdk_pixbuf_scale_simple (shot, nw, nh, GDK_INTERP_BILINEAR);
gdk_pixbuf_copy_area (pic, 0, 0, nw, nh, thumb, x, y);
if (!gdk_pixbuf_save (thumb, argv[2], "png", NULL, NULL))
{
g_error ("%s: Pixbuf save failed\n", argv[0]);
exit(-1);
}
g_object_unref (shot);
g_object_unref (thumb);
g_object_unref (pic);
exit(0);
}
exit (-1);
}
static void
test_coglbox_init (TestCoglbox *self)
{
TestCoglboxPrivate *priv;
guint width;
guint height;
guint rowstride;
CoglPixelFormat format;
gint size;
guchar *data;
gint x,y,t;
guchar *pixel;
self->priv = priv = TEST_COGLBOX_GET_PRIVATE(self);
/* Load image from file */
priv->cogl_tex_id[0] =
cogl_texture_new_from_file ("redhand.png", 40, FALSE,
COGL_PIXEL_FORMAT_ANY, NULL);
if (priv->cogl_tex_id[0] == COGL_INVALID_HANDLE)
{
printf ("Failed loading redhand.png image!\n");
return;
}
printf("Texture loaded from file.\n");
/* Obtain pixel data */
format = cogl_texture_get_format (priv->cogl_tex_id[0]);
g_assert(format == COGL_PIXEL_FORMAT_RGBA_8888 ||
format == COGL_PIXEL_FORMAT_ARGB_8888);
width = cogl_texture_get_width (priv->cogl_tex_id[0]);
height = cogl_texture_get_height (priv->cogl_tex_id[0]);
size = cogl_texture_get_data (priv->cogl_tex_id[0],
format, 0, NULL);
printf("size: %dx%d\n", width, height);
printf("format: 0x%x\n", format);
printf("bytesize: %d\n", size);
data = (guchar*) g_malloc (sizeof(guchar) * size);
cogl_texture_get_data (priv->cogl_tex_id[0],
format, 0, data);
rowstride = cogl_texture_get_rowstride (priv->cogl_tex_id[0]);
/* Create new texture from modified data */
priv->cogl_tex_id[1] =
cogl_texture_new_from_data (width, height, 0, FALSE,
format, format,
rowstride, data);
if (priv->cogl_tex_id[1] == COGL_INVALID_HANDLE)
{
printf ("Failed creating image from data!\n");
return;
}
printf ("Texture created from data.\n");
/* Modify data (swap red and green) */
for (y=0; y<height; ++y)
{
for (x=0; x<width; ++x)
{
pixel = data + y * rowstride + x * 4;
if (format == COGL_PIXEL_FORMAT_RGBA_8888)
{
t = pixel[0];
pixel[0] = pixel[1];
pixel[1] = t;
}
else
{
t = pixel[1];
pixel[1] = pixel[2];
pixel[2] = t;
}
}
}
cogl_texture_set_region (priv->cogl_tex_id[1],
0, 0, 0, 0,
100, 100, width, height,
format, 0, data);
cogl_texture_set_region (priv->cogl_tex_id[1],
100, 100, 100, 100,
100, 100, width, height,
format, 0, data);
printf ("Subregion data updated.\n");
}
