gboolean
gimp_image_get_popup_size (GimpViewable *viewable,
gint width,
gint height,
gboolean dot_for_dot,
gint *popup_width,
gint *popup_height)
{
GimpImage *image = GIMP_IMAGE (viewable);
if (gimp_image_get_width (image) > width ||
gimp_image_get_height (image) > height)
{
gboolean scaling_up;
gimp_viewable_calc_preview_size (gimp_image_get_width (image),
gimp_image_get_height (image),
width * 2,
height * 2,
dot_for_dot, 1.0, 1.0,
popup_width,
popup_height,
&scaling_up);
if (scaling_up)
{
*popup_width = gimp_image_get_width (image);
*popup_height = gimp_image_get_height (image);
}
return TRUE;
}
return FALSE;
}
static gboolean
windows_menu_display_query_tooltip (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_mode,
GtkTooltip *tooltip,
GimpAction *action)
{
GimpImage *image = GIMP_IMAGE (action->viewable);
gchar *text;
gdouble xres;
gdouble yres;
gint width;
gint height;
text = gtk_widget_get_tooltip_text (widget);
gtk_tooltip_set_text (tooltip, text);
g_free (text);
gimp_image_get_resolution (image, &xres, &yres);
gimp_viewable_calc_preview_size (gimp_image_get_width (image),
gimp_image_get_height (image),
GIMP_VIEW_SIZE_HUGE, GIMP_VIEW_SIZE_HUGE,
FALSE, xres, yres,
&width, &height, NULL);
gtk_tooltip_set_icon (tooltip,
gimp_viewable_get_pixbuf (action->viewable,
action->context,
width, height));
return TRUE;
}
static TempBuf *
gimp_undo_get_new_preview (GimpViewable *viewable,
GimpContext *context,
gint width,
gint height)
{
GimpUndo *undo = GIMP_UNDO (viewable);
if (undo->preview)
{
gint preview_width;
gint preview_height;
gimp_viewable_calc_preview_size (undo->preview->width,
undo->preview->height,
width,
height,
TRUE, 1.0, 1.0,
&preview_width,
&preview_height,
NULL);
if (preview_width < undo->preview->width &&
preview_height < undo->preview->height)
{
return temp_buf_scale (undo->preview, preview_width, preview_height);
}
return temp_buf_copy (undo->preview, NULL);
}
return NULL;
}
void
gimp_image_get_preview_size (GimpViewable *viewable,
gint size,
gboolean is_popup,
gboolean dot_for_dot,
gint *width,
gint *height)
{
GimpImage *image = GIMP_IMAGE (viewable);
gdouble xres;
gdouble yres;
gimp_image_get_resolution (image, &xres, &yres);
gimp_viewable_calc_preview_size (gimp_image_get_width (image),
gimp_image_get_height (image),
size,
size,
dot_for_dot,
xres,
yres,
width,
height,
NULL);
}
static void
gimp_view_renderer_buffer_render (GimpViewRenderer *renderer,
GtkWidget *widget)
{
gint buffer_width;
gint buffer_height;
gint view_width;
gint view_height;
gboolean scaling_up;
GimpTempBuf *render_buf = NULL;
gimp_viewable_get_size (renderer->viewable, &buffer_width, &buffer_height);
gimp_viewable_calc_preview_size (buffer_width,
buffer_height,
renderer->width,
renderer->height,
TRUE, 1.0, 1.0,
&view_width,
&view_height,
&scaling_up);
if (scaling_up)
{
GimpTempBuf *temp_buf;
temp_buf = gimp_viewable_get_new_preview (renderer->viewable,
renderer->context,
buffer_width, buffer_height);
if (temp_buf)
{
render_buf = gimp_temp_buf_scale (temp_buf, view_width, view_height);
gimp_temp_buf_unref (temp_buf);
}
}
else
{
render_buf = gimp_viewable_get_new_preview (renderer->viewable,
renderer->context,
view_width, view_height);
}
if (render_buf)
{
gimp_view_renderer_render_temp_buf_simple (renderer, render_buf);
gimp_temp_buf_unref (render_buf);
}
else /* no preview available */
{
const gchar *icon_name;
icon_name = gimp_viewable_get_icon_name (renderer->viewable);
gimp_view_renderer_render_icon (renderer, widget, icon_name);
}
}
void
gimp_view_renderer_render_icon (GimpViewRenderer *renderer,
GtkWidget *widget,
const gchar *icon_name)
{
GdkPixbuf *pixbuf;
g_return_if_fail (GIMP_IS_VIEW_RENDERER (renderer));
g_return_if_fail (GTK_IS_WIDGET (widget));
g_return_if_fail (icon_name != NULL);
if (renderer->pixbuf)
{
g_object_unref (renderer->pixbuf);
renderer->pixbuf = NULL;
}
if (renderer->surface)
{
cairo_surface_destroy (renderer->surface);
renderer->surface = NULL;
}
pixbuf = gimp_widget_load_icon (widget, icon_name,
MIN (renderer->width, renderer->height));
if (pixbuf)
{
gint width = gdk_pixbuf_get_width (pixbuf);
gint height = gdk_pixbuf_get_height (pixbuf);
if (width > renderer->width || height > renderer->height)
{
GdkPixbuf *scaled_pixbuf;
gimp_viewable_calc_preview_size (width, height,
renderer->width, renderer->height,
TRUE, 1.0, 1.0,
&width, &height,
NULL);
scaled_pixbuf = gdk_pixbuf_scale_simple (pixbuf,
width, height,
GDK_INTERP_BILINEAR);
g_object_unref (pixbuf);
pixbuf = scaled_pixbuf;
}
renderer->pixbuf = pixbuf;
}
renderer->needs_render = FALSE;
}
gboolean
gimp_item_get_popup_size (GimpViewable *viewable,
gint width,
gint height,
gboolean dot_for_dot,
gint *popup_width,
gint *popup_height)
{
GimpItem *item = GIMP_ITEM (viewable);
GimpImage *image = gimp_item_get_image (item);
if (image && ! image->gimp->config->layer_previews)
return FALSE;
if (gimp_item_get_width (item) > width ||
gimp_item_get_height (item) > height)
{
gboolean scaling_up;
gdouble xres = 1.0;
gdouble yres = 1.0;
if (image)
gimp_image_get_resolution (image, &xres, &yres);
gimp_viewable_calc_preview_size (gimp_item_get_width (item),
gimp_item_get_height (item),
width * 2,
height * 2,
dot_for_dot,
xres,
yres,
popup_width,
popup_height,
&scaling_up);
if (scaling_up)
{
*popup_width = gimp_item_get_width (item);
*popup_height = gimp_item_get_height (item);
}
return TRUE;
}
return FALSE;
}
static void
gimp_buffer_get_preview_size (GimpViewable *viewable,
gint size,
gboolean is_popup,
gboolean dot_for_dot,
gint *width,
gint *height)
{
GimpBuffer *buffer = GIMP_BUFFER (viewable);
gimp_viewable_calc_preview_size (gimp_buffer_get_width (buffer),
gimp_buffer_get_height (buffer),
size,
size,
dot_for_dot, 1.0, 1.0,
width,
height,
NULL);
}
static gboolean
gimp_buffer_get_popup_size (GimpViewable *viewable,
gint width,
gint height,
gboolean dot_for_dot,
gint *popup_width,
gint *popup_height)
{
GimpBuffer *buffer;
gint buffer_width;
gint buffer_height;
buffer = GIMP_BUFFER (viewable);
buffer_width = gimp_buffer_get_width (buffer);
buffer_height = gimp_buffer_get_height (buffer);
if (buffer_width > width || buffer_height > height)
{
gboolean scaling_up;
gimp_viewable_calc_preview_size (buffer_width,
buffer_height,
width * 2,
height * 2,
dot_for_dot, 1.0, 1.0,
popup_width,
popup_height,
&scaling_up);
if (scaling_up)
{
*popup_width = buffer_width;
*popup_height = buffer_height;
}
return TRUE;
}
return FALSE;
}
static void
gimp_view_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GimpView *view = GIMP_VIEW (widget);
gint width;
gint height;
if (view->expand)
{
width = MIN (GIMP_VIEWABLE_MAX_PREVIEW_SIZE,
allocation->width - 2 * view->renderer->border_width);
height = MIN (GIMP_VIEWABLE_MAX_PREVIEW_SIZE,
allocation->height - 2 * view->renderer->border_width);
if (view->renderer->width != width ||
view->renderer->height != height)
{
gint border_width = view->renderer->border_width;
if (view->renderer->size != -1 && view->renderer->viewable)
{
gint view_width;
gint view_height;
gint scaled_width;
gint scaled_height;
gimp_viewable_get_preview_size (view->renderer->viewable,
GIMP_VIEWABLE_MAX_PREVIEW_SIZE,
view->renderer->is_popup,
view->renderer->dot_for_dot,
&view_width,
&view_height);
gimp_viewable_calc_preview_size (view_width, view_height,
width, height,
TRUE, 1.0, 1.0,
&scaled_width, &scaled_height,
NULL);
if (scaled_width > width)
{
scaled_height = scaled_height * width / scaled_width;
scaled_width = scaled_width * width / scaled_width;
}
else if (scaled_height > height)
{
scaled_width = scaled_width * height / scaled_height;
scaled_height = scaled_height * height / scaled_height;
}
gimp_view_renderer_set_size (view->renderer,
MAX (scaled_width, scaled_height),
border_width);
}
else
{
gimp_view_renderer_set_size_full (view->renderer,
width, height,
border_width);
}
gimp_view_renderer_remove_idle (view->renderer);
}
}
width = (view->renderer->width +
2 * view->renderer->border_width);
height = (view->renderer->height +
2 * view->renderer->border_width);
if (allocation->width > width)
allocation->x += (allocation->width - width) / 2;
if (allocation->height > height)
allocation->y += (allocation->height - height) / 2;
allocation->width = width;
allocation->height = height;
gtk_widget_set_allocation (widget, allocation);
if (gtk_widget_get_realized (widget))
gdk_window_move_resize (view->event_window,
allocation->x,
allocation->y,
allocation->width,
allocation->height);
}
static void
gimp_view_renderer_image_render (GimpViewRenderer *renderer,
GtkWidget *widget)
{
GimpViewRendererImage *rendererimage = GIMP_VIEW_RENDERER_IMAGE (renderer);
GimpImage *image = GIMP_IMAGE (renderer->viewable);
const gchar *icon_name;
/* The conditions checked here are mostly a hack to hide the fact that
* we are creating the channel preview from the image preview and turning
* off visibility of a channel has the side-effect of painting the channel
* preview all black. See bug #459518 for details.
*/
if (rendererimage->channel == -1 ||
(gimp_image_get_component_visible (image, rendererimage->channel) &&
gimp_image_get_component_visible (image, GIMP_ALPHA_CHANNEL)))
{
gint view_width;
gint view_height;
gdouble xres;
gdouble yres;
gboolean scaling_up;
GimpTempBuf *render_buf = NULL;
gimp_image_get_resolution (image, &xres, &yres);
gimp_viewable_calc_preview_size (gimp_image_get_width (image),
gimp_image_get_height (image),
renderer->width,
renderer->height,
renderer->dot_for_dot,
xres,
yres,
&view_width,
&view_height,
&scaling_up);
if (scaling_up)
{
GimpTempBuf *temp_buf;
temp_buf = gimp_viewable_get_new_preview (renderer->viewable,
renderer->context,
gimp_image_get_width (image),
gimp_image_get_height (image));
if (temp_buf)
{
render_buf = gimp_temp_buf_scale (temp_buf,
view_width, view_height);
gimp_temp_buf_unref (temp_buf);
}
}
else
{
render_buf = gimp_viewable_get_new_preview (renderer->viewable,
renderer->context,
view_width,
view_height);
}
if (render_buf)
{
gint render_buf_x = 0;
gint render_buf_y = 0;
gint component_index = -1;
/* xresolution != yresolution */
if (view_width > renderer->width || view_height > renderer->height)
{
GimpTempBuf *temp_buf;
temp_buf = gimp_temp_buf_scale (render_buf,
renderer->width, renderer->height);
gimp_temp_buf_unref (render_buf);
render_buf = temp_buf;
}
if (view_width < renderer->width)
render_buf_x = (renderer->width - view_width) / 2;
if (view_height < renderer->height)
render_buf_y = (renderer->height - view_height) / 2;
if (rendererimage->channel != -1)
component_index =
gimp_image_get_component_index (image, rendererimage->channel);
gimp_view_renderer_render_temp_buf (renderer, widget, render_buf,
render_buf_x, render_buf_y,
component_index,
GIMP_VIEW_BG_CHECKS,
GIMP_VIEW_BG_WHITE);
gimp_temp_buf_unref (render_buf);
return;
}
}
switch (rendererimage->channel)
{
case GIMP_RED_CHANNEL: icon_name = GIMP_STOCK_CHANNEL_RED; break;
case GIMP_GREEN_CHANNEL: icon_name = GIMP_STOCK_CHANNEL_GREEN; break;
case GIMP_BLUE_CHANNEL: icon_name = GIMP_STOCK_CHANNEL_BLUE; break;
case GIMP_GRAY_CHANNEL: icon_name = GIMP_STOCK_CHANNEL_GRAY; break;
case GIMP_INDEXED_CHANNEL: icon_name = GIMP_STOCK_CHANNEL_INDEXED; break;
case GIMP_ALPHA_CHANNEL: icon_name = GIMP_STOCK_CHANNEL_ALPHA; break;
default:
icon_name = gimp_viewable_get_icon_name (renderer->viewable);
break;
}
gimp_view_renderer_render_icon (renderer, widget, icon_name);
}
