diff options
Diffstat (limited to 'libnautilus-extensions/nautilus-image.c')
| -rw-r--r-- | libnautilus-extensions/nautilus-image.c | 1314 |
1 files changed, 85 insertions, 1229 deletions
diff --git a/libnautilus-extensions/nautilus-image.c b/libnautilus-extensions/nautilus-image.c index e8f829533..402ad70eb 100644 --- a/libnautilus-extensions/nautilus-image.c +++ b/libnautilus-extensions/nautilus-image.c @@ -1,6 +1,6 @@ /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ -/* nautilus-image.c - A widget to display a composited pixbuf. +/* nautilus-image.c - A widget to display a alpha composited pixbufs. Copyright (C) 1999, 2000 Eazel, Inc. @@ -25,25 +25,16 @@ #include <config.h> #include "nautilus-image.h" +#include "nautilus-glib-extensions.h" #include "nautilus-gtk-macros.h" #include "nautilus-gdk-extensions.h" #include "nautilus-gdk-pixbuf-extensions.h" -#include <math.h> -#include <string.h> - -/* FIXME bugzilla.eazel.com 1612: - * We should use NautilusBackground for the background. This will simplify - * lots of things, be more efficient, and remove the need for a lot of the - * tiling code. - */ - /* Arguments */ enum { ARG_0, ARG_BACKGROUND_COLOR, - ARG_BACKGROUND_PIXBUF, ARG_BACKGROUND_TYPE, ARG_IMAGE, ARG_PLACEMENT_TYPE, @@ -52,163 +43,42 @@ enum /* Detail member struct */ struct _NautilusImageDetail { - /* Attributes */ - NautilusImagePlacementType placement_type; - NautilusImageBackgroundType background_type; - GdkPixbuf *background_pixbuf; - guint32 background_color; - GdkPixbuf *pixbuf; - GdkPoint background_tile_origin; - guchar overall_alpha; - gboolean background_tile_screen_relative; - - gchar *label_text; - GdkFont *label_font; - - GdkGC *copy_area_gc; - GdkPixbuf *buffer; - - /* Offsets */ - guint left_offset; - guint right_offset; - guint top_offset; - guint bottom_offset; - - guint extra_width; - guint extra_height; + GdkPixbuf *pixbuf; + guchar overall_alpha; }; /* GtkObjectClass methods */ -static void nautilus_image_initialize_class (NautilusImageClass *image_class); -static void nautilus_image_initialize (NautilusImage *image); -static void nautilus_image_destroy (GtkObject *object); -static void nautilus_image_set_arg (GtkObject *object, - GtkArg *arg, - guint arg_id); -static void nautilus_image_get_arg (GtkObject *object, - GtkArg *arg, - guint arg_id); +static void nautilus_image_initialize_class (NautilusImageClass *image_class); +static void nautilus_image_initialize (NautilusImage *image); +static void nautilus_image_destroy (GtkObject *object); +static void nautilus_image_set_arg (GtkObject *object, + GtkArg *arg, + guint arg_id); +static void nautilus_image_get_arg (GtkObject *object, + GtkArg *arg, + guint arg_id); +/* GtkWidgetClass methods */ +static void nautilus_image_size_request (GtkWidget *widget, + GtkRequisition *requisition); -/* GtkWidgetClass methods */ -static void nautilus_image_map (GtkWidget *widget); -static void nautilus_image_unmap (GtkWidget *widget); -static void nautilus_image_realize (GtkWidget *widget); -static void nautilus_image_unrealize (GtkWidget *widget); -static void nautilus_image_draw (GtkWidget *widget, - GdkRectangle *area); -static void nautilus_image_size_request (GtkWidget *widget, - GtkRequisition *requisition); -static void nautilus_image_size_allocate (GtkWidget *widget, - GtkAllocation *allocation); - - -/* GtkWidgetClass event methods */ -static gint nautilus_image_expose (GtkWidget *widget, - GdkEventExpose *event); +/* NautilusBufferedWidgetClass methods */ +static void render_buffer_pixbuf (NautilusBufferedWidget *buffered_widget, + GdkPixbuf *buffer); -/* Private NautilusImage things */ -static void ensure_buffer_size (NautilusImage *image, - guint width, - guint height); -static GdkGC * nautilus_gdk_create_copy_area_gc (GdkWindow *window); -static void nautilus_gdk_pixbuf_render_to_drawable (const GdkPixbuf *pixbuf, - GdkDrawable *drawable, - GdkGC *gc, - const GdkPoint *source_point, - const GdkRectangle *destination_area, - GdkRgbDither dither); -static void nautilus_gdk_pixbuf_render_to_pixbuf (const GdkPixbuf *pixbuf, - GdkPixbuf *destination_pixbuf, - const GdkPoint *source_point, - const GdkRectangle *destination_area); -static void nautilus_gdk_pixbuf_render_to_pixbuf_alpha (const GdkPixbuf *pixbuf, - GdkPixbuf *destination_pixbuf, - const GdkRectangle *destination_area, - GdkInterpType interpolation_mode, - guchar overall_alpha); -static void gdk_string_dimensions (const GdkFont *font, - const gchar *string, - GtkRequisition *size); -static void nautilus_gdk_pixbuf_set_to_color (GdkPixbuf *pixbuf, - guint32 color); -static void nautilus_gdk_pixbuf_tile (GdkPixbuf *pixbuf, - const GdkPixbuf *tile_pixbuf, - guint tile_width, - guint tile_height, - gint tile_origin_x, - gint tile_origin_y); -static void nautilus_gdk_pixbuf_tile_alpha (GdkPixbuf *pixbuf, - const GdkPixbuf *tile_pixbuf, - guint tile_width, - guint tile_height, - gint tile_origin_x, - gint tile_origin_y, - GdkInterpType interpolation_mode, - guchar overall_alpha); -#define NAUTILUS_ALPHA_NONE 255 - -#define NAUTILUS_MACRO_BEGIN G_STMT_START { -#define NAUTILUS_MACRO_END } G_STMT_END - -/* GdkPixbuf refcounting macros */ -#define NAUTILUS_GDK_PIXBUF_UNREF_IF(_pixbuf) \ -NAUTILUS_MACRO_BEGIN \ - if ((_pixbuf) != NULL) { \ - gdk_pixbuf_unref (_pixbuf); \ - (_pixbuf) = NULL; \ - } \ -NAUTILUS_MACRO_END - -#define NAUTILUS_GDK_PIXBUF_REF_IF(_pixbuf) \ -NAUTILUS_MACRO_BEGIN \ - if ((_pixbuf) != NULL) { \ - gdk_pixbuf_ref (_pixbuf); \ - } \ -NAUTILUS_MACRO_END - -/* GdkGC refcounting macros */ \ -#define NAUTILUS_GDK_GC_UNREF_IF(_gc) \ -NAUTILUS_MACRO_BEGIN \ - if ((_gc) != NULL) { \ - gdk_gc_unref (_gc); \ - (_gc) = NULL; \ - } \ -NAUTILUS_MACRO_END - -#define NAUTILUS_GDK_GC_REF_IF(_gc) \ -NAUTILUS_MACRO_BEGIN \ - if ((_gc) != NULL) { \ - gdk_gc_ref (_gc); \ - } \ -NAUTILUS_MACRO_END - -/* GdkFont refcounting macros */ -#define NAUTILUS_GDK_FONT_UNREF_IF(_font) \ -NAUTILUS_MACRO_BEGIN \ - if ((_font) != NULL) { \ - gdk_font_unref (_font); \ - (_font) = NULL; \ - } \ -NAUTILUS_MACRO_END - -#define NAUTILUS_GDK_FONT_REF_IF(_font) \ -NAUTILUS_MACRO_BEGIN \ - if ((_font) != NULL) { \ - gdk_font_ref (_font); \ - } \ -NAUTILUS_MACRO_END - -NAUTILUS_DEFINE_CLASS_BOILERPLATE (NautilusImage, nautilus_image, GTK_TYPE_MISC) + +NAUTILUS_DEFINE_CLASS_BOILERPLATE (NautilusImage, nautilus_image, NAUTILUS_TYPE_BUFFERED_WIDGET) /* Class init methods */ static void nautilus_image_initialize_class (NautilusImageClass *image_class) { - GtkObjectClass *object_class = GTK_OBJECT_CLASS (image_class); - GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (image_class); + GtkObjectClass *object_class = GTK_OBJECT_CLASS (image_class); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (image_class); + NautilusBufferedWidgetClass *buffered_widget_class = NAUTILUS_BUFFERED_WIDGET_CLASS (image_class); +#if 0 /* Arguments */ gtk_object_add_arg_type ("NautilusImage::placement_type", GTK_TYPE_ENUM, @@ -220,11 +90,6 @@ nautilus_image_initialize_class (NautilusImageClass *image_class) GTK_ARG_READWRITE, ARG_BACKGROUND_TYPE); - gtk_object_add_arg_type ("NautilusImage::background_pixbuf", - GTK_TYPE_OBJECT, - GTK_ARG_READWRITE, - ARG_BACKGROUND_PIXBUF); - gtk_object_add_arg_type ("NautilusImage::background_color", GTK_TYPE_UINT, GTK_ARG_READWRITE, @@ -234,6 +99,7 @@ nautilus_image_initialize_class (NautilusImageClass *image_class) GTK_TYPE_OBJECT, GTK_ARG_READWRITE, ARG_IMAGE); +#endif /* GtkObjectClass */ object_class->destroy = nautilus_image_destroy; @@ -241,49 +107,19 @@ nautilus_image_initialize_class (NautilusImageClass *image_class) object_class->get_arg = nautilus_image_get_arg; /* GtkWidgetClass */ - widget_class->realize = nautilus_image_realize; - widget_class->unrealize = nautilus_image_unrealize; - widget_class->draw = nautilus_image_draw; - widget_class->map = nautilus_image_map; - widget_class->unmap = nautilus_image_unmap; - widget_class->expose_event = nautilus_image_expose; widget_class->size_request = nautilus_image_size_request; - widget_class->size_allocate = nautilus_image_size_allocate; + + /* NautilusBufferedWidgetClass */ + buffered_widget_class->render_buffer_pixbuf = render_buffer_pixbuf; } void nautilus_image_initialize (NautilusImage *image) { - GTK_WIDGET_SET_FLAGS (image, GTK_CAN_FOCUS); - GTK_WIDGET_UNSET_FLAGS (image, GTK_NO_WINDOW); - image->detail = g_new (NautilusImageDetail, 1); - image->detail->placement_type = NAUTILUS_IMAGE_PLACEMENT_CENTER; - - image->detail->background_color = NAUTILUS_RGB_COLOR_WHITE; - image->detail->background_type = NAUTILUS_IMAGE_BACKGROUND_SOLID; - image->detail->background_pixbuf = NULL; - image->detail->pixbuf = NULL; - - image->detail->buffer = NULL; - image->detail->copy_area_gc = NULL; - image->detail->label_text = NULL; - image->detail->label_font = gdk_font_load ("fixed"); - - image->detail->background_tile_origin.x = 0; - image->detail->background_tile_origin.y = 0; - image->detail->overall_alpha = NAUTILUS_ALPHA_NONE; - image->detail->background_tile_screen_relative = TRUE; - - image->detail->left_offset = 0; - image->detail->right_offset = 0; - image->detail->top_offset = 0; - image->detail->bottom_offset = 0; - - image->detail->extra_width = 0; - image->detail->extra_height = 0; + image->detail->overall_alpha = 255; } /* GtkObjectClass methods */ @@ -297,14 +133,8 @@ nautilus_image_destroy (GtkObject *object) image = NAUTILUS_IMAGE (object); - NAUTILUS_GDK_GC_UNREF_IF (image->detail->copy_area_gc); - NAUTILUS_GDK_FONT_UNREF_IF (image->detail->label_font); - - NAUTILUS_GDK_PIXBUF_UNREF_IF (image->detail->buffer); - NAUTILUS_GDK_PIXBUF_UNREF_IF (image->detail->background_pixbuf); - NAUTILUS_GDK_PIXBUF_UNREF_IF (image->detail->pixbuf); - - g_free (image->detail->label_text); + nautilus_gdk_pixbuf_unref_if_not_null (image->detail->pixbuf); + image->detail->pixbuf = NULL; g_free (image->detail); @@ -314,8 +144,8 @@ nautilus_image_destroy (GtkObject *object) static void nautilus_image_set_arg (GtkObject *object, - GtkArg *arg, - guint arg_id) + GtkArg *arg, + guint arg_id) { NautilusImage *image; @@ -324,6 +154,7 @@ nautilus_image_set_arg (GtkObject *object, image = NAUTILUS_IMAGE (object); +#if 0 switch (arg_id) { case ARG_PLACEMENT_TYPE: @@ -334,10 +165,6 @@ nautilus_image_set_arg (GtkObject *object, image->detail->background_type = GTK_VALUE_ENUM (*arg); break; - case ARG_BACKGROUND_PIXBUF: - nautilus_image_set_background_pixbuf (image, (GdkPixbuf*) GTK_VALUE_OBJECT (*arg)); - break; - case ARG_BACKGROUND_COLOR: image->detail->background_color = GTK_VALUE_UINT (*arg); break; @@ -349,6 +176,7 @@ nautilus_image_set_arg (GtkObject *object, default: g_assert_not_reached (); } +#endif } static void @@ -363,6 +191,7 @@ nautilus_image_get_arg (GtkObject *object, image = NAUTILUS_IMAGE (object); +#if 0 switch (arg_id) { case ARG_PLACEMENT_TYPE: @@ -373,10 +202,6 @@ nautilus_image_get_arg (GtkObject *object, GTK_VALUE_ENUM (*arg) = image->detail->background_type; break; - case ARG_BACKGROUND_PIXBUF: - GTK_VALUE_OBJECT (*arg) = (GtkObject *) nautilus_image_get_background_pixbuf (image); - break; - case ARG_BACKGROUND_COLOR: GTK_VALUE_UINT (*arg) = image->detail->background_color; break; @@ -388,818 +213,79 @@ nautilus_image_get_arg (GtkObject *object, default: g_assert_not_reached (); } +#endif } /* GtkWidgetClass methods */ -static void -nautilus_image_realize (GtkWidget *widget) -{ - NautilusImage *image; - - g_return_if_fail (widget != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (widget)); - - image = NAUTILUS_IMAGE (widget); - - /* Chain realize */ - NAUTILUS_CALL_PARENT_CLASS (GTK_WIDGET_CLASS, realize, (widget)); - - /* Create GCs */ - image->detail->copy_area_gc = nautilus_gdk_create_copy_area_gc (widget->window); -} - -static void -nautilus_image_unrealize (GtkWidget *widget) -{ - NautilusImage *image; - - g_return_if_fail (widget != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (widget)); - - image = NAUTILUS_IMAGE (widget); - - NAUTILUS_GDK_GC_UNREF_IF (image->detail->copy_area_gc); - - /* Chain unrealize */ - NAUTILUS_CALL_PARENT_CLASS (GTK_WIDGET_CLASS, unrealize, (widget)); -} static void -nautilus_image_draw (GtkWidget *widget, GdkRectangle *area) +nautilus_image_size_request (GtkWidget *widget, + GtkRequisition *requisition) { NautilusImage *image; - GdkPoint source_point; - GdkRectangle destination_area; - - g_return_if_fail (widget != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (widget)); - g_return_if_fail (area != NULL); - - image = NAUTILUS_IMAGE (widget); - - source_point.x = area->x; - source_point.y = area->y; - - destination_area.x = area->x; - destination_area.y = area->y; - destination_area.width = widget->allocation.width - area->x; - destination_area.height = widget->allocation.height - area->y; - - nautilus_gdk_pixbuf_render_to_drawable (image->detail->buffer, - widget->window, - image->detail->copy_area_gc, - &source_point, - &destination_area, - GDK_INTERP_NEAREST); -} - -static void -nautilus_image_size_allocate (GtkWidget *widget, GtkAllocation* allocation) -{ - NautilusImage *image; - - g_return_if_fail (widget != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (widget)); - g_return_if_fail (allocation != NULL); - - image = NAUTILUS_IMAGE (widget); - - /* Assign the new allocation */ - widget->allocation.x = allocation->x; - widget->allocation.y = allocation->y; - widget->allocation.width = MAX (1, allocation->width); - widget->allocation.height = MAX (1, allocation->height); - - /* If the widget is realized, move and resize its window */ - if (GTK_WIDGET_REALIZED (widget)) - { - gdk_window_move_resize (widget->window, - allocation->x, - allocation->y, - allocation->width, - allocation->height); - - if (image->detail->background_tile_screen_relative) - { - GdkWindow *top_level; - gint top_level_x; - gint top_level_y; - gint image_x; - gint image_y; - - - top_level = gdk_window_get_toplevel (widget->window); - g_assert (top_level != NULL); - - gdk_window_get_origin (top_level, &top_level_x, &top_level_y); - gdk_window_get_origin (widget->window, &image_x, &image_y); - -#if 0 - g_print ("2 %p:top_level = (%d,%d), %p:image = (%d,%d), diff = (%d,%d)\n", - top_level, - top_level_x, - top_level_y, - widget->window, - image_x, - image_y, - top_level_x - image_x, - top_level_y - image_y); -#endif - - image->detail->background_tile_origin.x = ABS (top_level_x - image_x); - image->detail->background_tile_origin.y = ABS (top_level_y - image_y); - } - } - - ensure_buffer_size (image, allocation->width, allocation->height); - - switch (image->detail->background_type) - { - case NAUTILUS_IMAGE_BACKGROUND_PIXBUF: - if (image->detail->background_pixbuf != NULL) - { - nautilus_gdk_pixbuf_tile (image->detail->buffer, - image->detail->background_pixbuf, - gdk_pixbuf_get_width (image->detail->background_pixbuf), - gdk_pixbuf_get_height (image->detail->background_pixbuf), - image->detail->background_tile_origin.x, - image->detail->background_tile_origin.y); - } - break; - - case NAUTILUS_IMAGE_BACKGROUND_SOLID: - nautilus_gdk_pixbuf_set_to_color (image->detail->buffer, image->detail->background_color); - break; - } - - if (image ->detail->pixbuf != NULL) - { - switch (image->detail->placement_type) - { - case NAUTILUS_IMAGE_PLACEMENT_CENTER: - { - gint x; - gint y; - - x = (widget->allocation.width - gdk_pixbuf_get_width (image->detail->pixbuf)) / 2; - y = (widget->allocation.height - gdk_pixbuf_get_height (image->detail->pixbuf)) / 2; - - gdk_pixbuf_composite (image->detail->pixbuf, - image->detail->buffer, - x, - y, - gdk_pixbuf_get_width (image->detail->pixbuf), - gdk_pixbuf_get_height (image->detail->pixbuf), - (double) x, - (double) y, - 1.0, - 1.0, - GDK_INTERP_BILINEAR, - image->detail->overall_alpha); - } - break; - - case NAUTILUS_IMAGE_PLACEMENT_TILE: - { - nautilus_gdk_pixbuf_tile_alpha (image->detail->buffer, - image->detail->pixbuf, - gdk_pixbuf_get_width (image->detail->pixbuf), - gdk_pixbuf_get_height (image->detail->pixbuf), - 0, - 0, - GDK_INTERP_BILINEAR, - image->detail->overall_alpha); - } - break; - } - } - - if (image ->detail->label_text != NULL) - { - GtkRequisition text_size; - gint x; - gint y; - ArtIRect text_rect; - - g_assert (image->detail->label_font != NULL); - - gdk_string_dimensions (image->detail->label_font, - image ->detail->label_text, - &text_size); - - x = widget->allocation.width - text_size.width - image->detail->right_offset; - y = image->detail->top_offset; - -// x = (widget->allocation.width - text_size.width) / 2; -// y = (widget->allocation.height - text_size.height) / 2; - - text_rect.x0 = x; - text_rect.y0 = y; - text_rect.x1 = x + text_size.width; - text_rect.y1 = y + text_size.height; - -/* FIXME bugzilla.eazel.com xxxx: - * Need to be able to pass in a rgb colot into the draw_text function. - */ - nautilus_gdk_pixbuf_draw_text (image->detail->buffer, - image->detail->label_font, - 1.0, - &text_rect, - image->detail->label_text, - NAUTILUS_RGB_COLOR_BLACK, - image->detail->overall_alpha); - } -} - -static void -nautilus_image_size_request (GtkWidget *widget, - GtkRequisition *requisition) -{ - GtkRequisition pixbuf_size; - GtkRequisition text_size; - NautilusImage *image; + guint pixbuf_width = 0; + guint pixbuf_height = 0; g_return_if_fail (widget != NULL); g_return_if_fail (NAUTILUS_IS_IMAGE (widget)); g_return_if_fail (requisition != NULL); image = NAUTILUS_IMAGE (widget); - - requisition->width = 10; - requisition->height = 10; - pixbuf_size.width = 0; - pixbuf_size.height = 0; - text_size.width = 0; - text_size.height = 0; - - if (image ->detail->pixbuf != NULL) - { - pixbuf_size.width = gdk_pixbuf_get_width (image->detail->pixbuf); - pixbuf_size.height = gdk_pixbuf_get_height (image->detail->pixbuf); + if (image->detail->pixbuf != NULL) { + pixbuf_width = gdk_pixbuf_get_width (image->detail->pixbuf); + pixbuf_height = gdk_pixbuf_get_height (image->detail->pixbuf); } - if (image ->detail->label_text != NULL) - { - g_assert (image->detail->label_font != NULL); - - gdk_string_dimensions (image->detail->label_font, - image ->detail->label_text, - &text_size); - } - - requisition->width = - MAX (pixbuf_size.width, text_size.width) + - image->detail->extra_width; - - requisition->height = - MAX (pixbuf_size.height, text_size.height) + - image->detail->extra_height; -} - -static void -nautilus_image_map (GtkWidget *widget) -{ - NautilusImage *image; - - g_return_if_fail (widget != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (widget)); - - GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED); - - image = NAUTILUS_IMAGE (widget); - - gdk_window_show (widget->window); -} - -static void -nautilus_image_unmap (GtkWidget *widget) -{ - NautilusImage *image; - - g_return_if_fail (widget != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (widget)); - - GTK_WIDGET_UNSET_FLAGS(widget, GTK_MAPPED); - - image = NAUTILUS_IMAGE (widget); - - gdk_window_hide (widget->window); -} - -static gint -nautilus_image_expose (GtkWidget *widget, GdkEventExpose *event) -{ - NautilusImage *image; - - g_return_val_if_fail (widget != NULL, FALSE); - g_return_val_if_fail (NAUTILUS_IS_IMAGE (widget), FALSE); - - image = NAUTILUS_IMAGE (widget); - - nautilus_image_draw (widget, &event->area); - - return TRUE; + requisition->width = MAX (2, pixbuf_width); + requisition->height = MAX (2, pixbuf_height); } /* Private NautilusImage things */ static void -ensure_buffer_size (NautilusImage *image, - guint new_width, - guint new_height) -{ - guint old_width = 0; - guint old_height = 0; - - g_assert (image != NULL); - g_assert (NAUTILUS_IS_IMAGE (image)); - - if (new_width == 0 || new_height == 0) { - return; - } - - if (image->detail->buffer != NULL) { - old_width = gdk_pixbuf_get_width (image->detail->buffer); - old_height = gdk_pixbuf_get_height (image->detail->buffer); - } - - if (old_width < new_width || old_height < new_height) { - GdkPixbuf *new_pixbuf = NULL; - - new_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, new_width, new_height); - - if (image->detail->buffer) { - gdk_pixbuf_unref (image->detail->buffer); - } - - image->detail->buffer = new_pixbuf; - } -} - -static GdkGC * -nautilus_gdk_create_copy_area_gc (GdkWindow *window) -{ - GdkGC *copy_area_gc; - - g_return_val_if_fail (window != NULL, NULL); - - copy_area_gc = gdk_gc_new (window); - - gdk_gc_set_function (copy_area_gc, GDK_COPY); - - return copy_area_gc; -} - -static void -nautilus_gdk_pixbuf_render_to_drawable (const GdkPixbuf *pixbuf, - GdkDrawable *drawable, - GdkGC *gc, - const GdkPoint *source_point, - const GdkRectangle *destination_area, - GdkRgbDither dither) -{ - GdkPoint src; - GdkRectangle dst; - GdkPoint end; - - g_return_if_fail (pixbuf != NULL); - g_return_if_fail (drawable != NULL); - g_return_if_fail (gc != NULL); - g_return_if_fail (source_point != NULL); - g_return_if_fail (destination_area != NULL); - g_return_if_fail (destination_area->width > 0); - g_return_if_fail (destination_area->height > 0); - g_return_if_fail (source_point->x >= 0); - g_return_if_fail (source_point->y >= 0); - - g_assert (gdk_pixbuf_get_width (pixbuf) > 0); - g_assert (gdk_pixbuf_get_height (pixbuf) > 0); - - src = *source_point; - dst = *destination_area; - - /* Clip to the left edge of the drawable */ - if (dst.x < 0) - { - src.x += ABS (dst.x); - dst.x = 0; - } - - /* Clip to the top edge of the drawable */ - if (dst.y < 0) - { - src.y += ABS (dst.y); - dst.y = 0; - } - - end.x = src.x + dst.width; - end.y = src.y + dst.height; - - if (end.x >= gdk_pixbuf_get_width (pixbuf)) - { - g_assert (dst.width >= (end.x - gdk_pixbuf_get_width (pixbuf))); - - dst.width -= (end.x - gdk_pixbuf_get_width (pixbuf)); - } - - if (end.y >= gdk_pixbuf_get_height (pixbuf)) - { - g_assert (dst.height >= (end.y - gdk_pixbuf_get_height (pixbuf))); - - dst.height -= (end.y - gdk_pixbuf_get_height (pixbuf)); - } - - if (gdk_pixbuf_get_has_alpha (pixbuf)) { - gdk_pixbuf_render_to_drawable_alpha ((GdkPixbuf *) pixbuf, - drawable, - src.x, - src.y, - dst.x, - dst.y, - dst.width, - dst.height, - GDK_PIXBUF_ALPHA_FULL, - 128, - dither, - 0, - 0); - - } else { - gdk_pixbuf_render_to_drawable ((GdkPixbuf *) pixbuf, - drawable, - gc, - src.x, - src.y, - dst.x, - dst.y, - dst.width, - dst.height, - dither, - 0, - 0); - } -} - -static void -nautilus_gdk_pixbuf_render_to_pixbuf (const GdkPixbuf *pixbuf, - GdkPixbuf *destination_pixbuf, - const GdkPoint *source_point, - const GdkRectangle *destination_area) -{ - GdkPoint src; - GdkRectangle dst; - GdkPoint end; - - g_return_if_fail (pixbuf != NULL); - g_return_if_fail (destination_pixbuf != NULL); - g_return_if_fail (source_point != NULL); - g_return_if_fail (source_point->x >= 0); - g_return_if_fail (source_point->y >= 0); - g_return_if_fail (destination_area != NULL); - g_return_if_fail (destination_area->width > 0); - g_return_if_fail (destination_area->height > 0); - - src = *source_point; - dst = *destination_area; - - /* Clip to the left edge of the drawable */ - if (dst.x < 0) - { - src.x += ABS (dst.x); - dst.x = 0; - } - - /* Clip to the top edge of the drawable */ - if (dst.y < 0) - { - src.y += ABS (dst.y); - dst.y = 0; - } - - end.x = src.x + dst.width; - end.y = src.y + dst.height; - - if (end.x >= gdk_pixbuf_get_width (pixbuf)) - { - g_assert (dst.width >= (end.x - gdk_pixbuf_get_width (pixbuf))); - - dst.width -= (end.x - gdk_pixbuf_get_width (pixbuf)); - } - - if (end.y >= gdk_pixbuf_get_height (pixbuf)) - { - g_assert (dst.height >= (end.y - gdk_pixbuf_get_height (pixbuf))); - - dst.height -= (end.y - gdk_pixbuf_get_height (pixbuf)); - } - - gdk_pixbuf_copy_area ((GdkPixbuf *) pixbuf, - src.x, - src.y, - dst.width, - dst.height, - destination_pixbuf, - dst.x, - dst.y); -} - -static void -nautilus_gdk_pixbuf_render_to_pixbuf_alpha (const GdkPixbuf *pixbuf, - GdkPixbuf *destination_pixbuf, - const GdkRectangle *destination_area, - GdkInterpType interpolation_mode, - guchar overall_alpha) +render_buffer_pixbuf (NautilusBufferedWidget *buffered_widget, GdkPixbuf *buffer) { - g_return_if_fail (pixbuf != NULL); - g_return_if_fail (destination_pixbuf != NULL); - g_return_if_fail (destination_area != NULL); - g_return_if_fail (destination_area->width > 0); - g_return_if_fail (destination_area->height > 0); - - gdk_pixbuf_composite (pixbuf, - destination_pixbuf, - destination_area->x, - destination_area->y, - destination_area->width, - destination_area->height, - (double) destination_area->x, - (double) destination_area->y, - 1.0, - 1.0, - interpolation_mode, - overall_alpha); -} + NautilusImage *image; + GtkWidget *widget; -static void -gdk_string_dimensions (const GdkFont *font, - const gchar *string, - GtkRequisition *size) -{ - g_return_if_fail (font != NULL); - g_return_if_fail (size != NULL); + g_return_if_fail (NAUTILUS_IS_IMAGE (buffered_widget)); + g_return_if_fail (buffer != NULL); - size->width = 0; - size->height = 0; + image = NAUTILUS_IMAGE (buffered_widget); + widget = GTK_WIDGET (buffered_widget); - if (string && (strlen (string) > 0)) - { - gint width; - gint lbearing; - gint rbearing; - gint ascent; - gint descent; - - gdk_text_extents ((GdkFont *) font, - string, - strlen (string), - &lbearing, - &rbearing, - &width, - &ascent, - &descent); - - size->width = width; - size->height = ascent + descent; - } -} + if (image->detail->pixbuf != NULL) { + gint x; + gint y; + guint width = gdk_pixbuf_get_width (image->detail->pixbuf); + guint height = gdk_pixbuf_get_height (image->detail->pixbuf); -static void -nautilus_gdk_pixbuf_set_to_color (GdkPixbuf *pixbuf, - guint32 color) -{ - guchar *pixels; - guint width; - guint height; - guint rowstride; - guint x; - guint y; - guchar *offset; - - g_return_if_fail (pixbuf != NULL); - - width = gdk_pixbuf_get_width (pixbuf); - height = gdk_pixbuf_get_height (pixbuf); - rowstride = gdk_pixbuf_get_rowstride (pixbuf); - pixels = gdk_pixbuf_get_pixels (pixbuf); - - if (gdk_pixbuf_get_has_alpha (pixbuf)) - { - for (y = 0; y < height; y++) - { - offset = pixels + y * rowstride; - - for (x = 0; x < width; x++) - { - *offset++ = NAUTILUS_RGBA_COLOR_GET_R (color); - *offset++ = NAUTILUS_RGBA_COLOR_GET_G (color); - *offset++ = NAUTILUS_RGBA_COLOR_GET_B (color); - *offset++ = NAUTILUS_RGBA_COLOR_GET_A (color); - } + if (width <= widget->allocation.width) { + x = (widget->allocation.width - width) / 2; } - } - else - { - for (y = 0; y < height; y++) - { - offset = pixels + y * rowstride; - - for (x = 0; x < width; x++) - { - *offset++ = NAUTILUS_RGBA_COLOR_GET_R (color); - *offset++ = NAUTILUS_RGBA_COLOR_GET_G (color); - *offset++ = NAUTILUS_RGBA_COLOR_GET_B (color); - } + else { + x = - (width - widget->allocation.width) / 2; } - } -} - -/* FIXME bugzilla.eazel.com 1612: - * Tile origin should be respected. Should be fixed when I use NautilusBackground. - */ -static void -nautilus_gdk_pixbuf_tile (GdkPixbuf *pixbuf, - const GdkPixbuf *tile_pixbuf, - guint tile_width, - guint tile_height, - gint tile_origin_x, - gint tile_origin_y) -{ - gint x; - gint y; - guchar *pixels; - guchar *tile_pixels; - guint num_ver_iterations; - guint num_hor_iterations; - guint i; - guint j; - guint width; - guint height; - - g_return_if_fail (pixbuf != NULL); - g_return_if_fail (tile_pixbuf != NULL); - g_return_if_fail (tile_width <= gdk_pixbuf_get_width (tile_pixbuf)); - g_return_if_fail (tile_height <= gdk_pixbuf_get_height (tile_pixbuf)); - g_return_if_fail (gdk_pixbuf_get_pixels (pixbuf) != NULL); - g_return_if_fail (gdk_pixbuf_get_pixels (tile_pixbuf) != NULL); - - pixels = gdk_pixbuf_get_pixels (pixbuf); - tile_pixels = gdk_pixbuf_get_pixels (tile_pixbuf); - width = gdk_pixbuf_get_width (pixbuf); - height = gdk_pixbuf_get_height (pixbuf); - - num_ver_iterations = ceil (height / tile_height) + 1; - num_hor_iterations = ceil (width / tile_width) + 1; - - y = 0; - for (j = 0; j < num_ver_iterations; j++) - { - x = 0; - - for (i = 0; i < num_hor_iterations; i++) - { - guint copy_width; - guint copy_height; - gint dst_x; - gint dst_y; - gint dst_x2; - gint dst_y2; - - dst_x = x; - dst_y = y; - - copy_width = tile_width; - copy_height = tile_height; - - dst_x2 = dst_x + copy_width; - dst_y2 = dst_y + copy_height; - - if (dst_x2 > width) - { - copy_width -= (dst_x2 - width); - } - - if (dst_y2 > height) - { - copy_height -= (dst_y2 - height); - } - - if (copy_width > 0 && copy_height > 0) - { - GdkPoint source_point; - GdkRectangle destination_area; - - source_point.x = 0; - source_point.y = 0; - - destination_area.x = dst_x; - destination_area.y = dst_y; - destination_area.width = copy_width; - destination_area.height = copy_height; - - nautilus_gdk_pixbuf_render_to_pixbuf (tile_pixbuf, - pixbuf, - &source_point, - &destination_area); - } - - x += tile_width; + if (height <= widget->allocation.height) { + y = (widget->allocation.height - height) / 2; } - - y += tile_height; - } -} - -static void -nautilus_gdk_pixbuf_tile_alpha (GdkPixbuf *pixbuf, - const GdkPixbuf *tile_pixbuf, - guint tile_width, - guint tile_height, - gint tile_origin_x, - gint tile_origin_y, - GdkInterpType interpolation_mode, - guchar overall_alpha) -{ - gint x; - gint y; - guchar *pixels; - guchar *tile_pixels; - guint num_ver_iterations; - guint num_hor_iterations; - guint i; - guint j; - guint width; - guint height; - - g_return_if_fail (pixbuf != NULL); - g_return_if_fail (tile_pixbuf != NULL); - g_return_if_fail (tile_width <= gdk_pixbuf_get_width (tile_pixbuf)); - g_return_if_fail (tile_height <= gdk_pixbuf_get_height (tile_pixbuf)); - g_return_if_fail (gdk_pixbuf_get_pixels (pixbuf) != NULL); - g_return_if_fail (gdk_pixbuf_get_pixels (tile_pixbuf) != NULL); - - pixels = gdk_pixbuf_get_pixels (pixbuf); - tile_pixels = gdk_pixbuf_get_pixels (tile_pixbuf); - width = gdk_pixbuf_get_width (pixbuf); - height = gdk_pixbuf_get_height (pixbuf); - - num_ver_iterations = ceil (height / tile_height) + 1; - num_hor_iterations = ceil (width / tile_width) + 1; - - y = 0; - - for (j = 0; j < num_ver_iterations; j++) - { - x = 0; - - for (i = 0; i < num_hor_iterations; i++) - { - guint copy_width; - guint copy_height; - gint dst_x; - gint dst_y; - gint dst_x2; - gint dst_y2; - - dst_x = x; - dst_y = y; - - copy_width = tile_width; - copy_height = tile_height; - - dst_x2 = dst_x + copy_width; - dst_y2 = dst_y + copy_height; - - if (dst_x2 > width) - { - copy_width -= (dst_x2 - width); - } - - if (dst_y2 > height) - { - copy_height -= (dst_y2 - height); - } - - if (copy_width > 0 && copy_height > 0) - { - GdkRectangle destination_area; - - destination_area.x = dst_x; - destination_area.y = dst_y; - destination_area.width = copy_width; - destination_area.height = copy_height; - - nautilus_gdk_pixbuf_render_to_pixbuf_alpha (tile_pixbuf, - pixbuf, - &destination_area, - interpolation_mode, - overall_alpha); - } - - x += tile_width; + else { + y = - (height - widget->allocation.height) / 2; } - y += tile_height; + gdk_pixbuf_composite (image->detail->pixbuf, + buffer, + x, + y, + width, + height, + (double) x, + (double) y, + 1.0, + 1.0, + GDK_INTERP_BILINEAR, + image->detail->overall_alpha); } } @@ -1211,121 +297,14 @@ nautilus_image_new (void) } void -nautilus_image_set_background_pixbuf (NautilusImage *image, GdkPixbuf *background_pixbuf) -{ - g_return_if_fail (image != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (image)); - - if (background_pixbuf != image->detail->background_pixbuf) - { - NAUTILUS_GDK_PIXBUF_UNREF_IF (image->detail->background_pixbuf); - - NAUTILUS_GDK_PIXBUF_REF_IF (background_pixbuf); - - image->detail->background_pixbuf = background_pixbuf; - } - - gtk_widget_queue_resize (GTK_WIDGET (image)); -} - -GdkPixbuf* -nautilus_image_get_background_pixbuf (const NautilusImage *image) -{ - g_return_val_if_fail (image != NULL, NULL); - g_return_val_if_fail (NAUTILUS_IS_IMAGE (image), NULL); - - NAUTILUS_GDK_PIXBUF_REF_IF (image->detail->background_pixbuf); - - return image->detail->background_pixbuf; -} - -void -nautilus_image_set_background_type (NautilusImage *image, NautilusImageBackgroundType background_type) -{ - g_return_if_fail (image != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (image)); - - if (background_type == image->detail->background_type) - { - return; - } - - image->detail->background_type = background_type; - - gtk_widget_queue_resize (GTK_WIDGET (image)); -} - -NautilusImageBackgroundType -nautilus_image_get_background_type (const NautilusImage *image) -{ - g_return_val_if_fail (image != NULL, 0); - g_return_val_if_fail (NAUTILUS_IS_IMAGE (image), 0); - - return image->detail->background_type; -} - -void -nautilus_image_set_background_color (NautilusImage *image, guint32 background_color) -{ - g_return_if_fail (image != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (image)); - - if (background_color == image->detail->background_color) - { - return; - } - - image->detail->background_color = background_color; - - gtk_widget_queue_resize (GTK_WIDGET (image)); -} - -guint32 -nautilus_image_get_background_color (const NautilusImage *image) -{ - g_return_val_if_fail (image != NULL, 0); - g_return_val_if_fail (NAUTILUS_IS_IMAGE (image), 0); - - return image->detail->background_color; -} - -void -nautilus_image_set_placement_type (NautilusImage *image, NautilusImagePlacementType placement_type) -{ - g_return_if_fail (image != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (image)); - - if (placement_type == image->detail->placement_type) - { - return; - } - - image->detail->placement_type = placement_type; - - gtk_widget_queue_resize (GTK_WIDGET (image)); -} - -NautilusImagePlacementType -nautilus_image_get_placement_type (const NautilusImage *image) -{ - g_return_val_if_fail (image != NULL, 0); - g_return_val_if_fail (NAUTILUS_IS_IMAGE (image), 0); - - return image->detail->placement_type; -} - -void nautilus_image_set_pixbuf (NautilusImage *image, GdkPixbuf *pixbuf) { - g_return_if_fail (image != NULL); g_return_if_fail (NAUTILUS_IS_IMAGE (image)); if (pixbuf != image->detail->pixbuf) { - NAUTILUS_GDK_PIXBUF_UNREF_IF (image->detail->pixbuf); - - NAUTILUS_GDK_PIXBUF_REF_IF (pixbuf); - + nautilus_gdk_pixbuf_unref_if_not_null (image->detail->pixbuf); + nautilus_gdk_pixbuf_ref_if_not_null (pixbuf); image->detail->pixbuf = pixbuf; } @@ -1335,145 +314,22 @@ nautilus_image_set_pixbuf (NautilusImage *image, GdkPixbuf *pixbuf) GdkPixbuf* nautilus_image_get_pixbuf (const NautilusImage *image) { - g_return_val_if_fail (image != NULL, NULL); g_return_val_if_fail (NAUTILUS_IS_IMAGE (image), NULL); - NAUTILUS_GDK_PIXBUF_REF_IF (image->detail->pixbuf); + nautilus_gdk_pixbuf_ref_if_not_null (image->detail->pixbuf); return image->detail->pixbuf; } void nautilus_image_set_overall_alpha (NautilusImage *image, - guchar pixbuf_alpha) + guchar pixbuf_alpha) { - g_return_if_fail (image != NULL); g_return_if_fail (NAUTILUS_IS_IMAGE (image)); image->detail->overall_alpha = pixbuf_alpha; - gtk_widget_queue_resize (GTK_WIDGET (image)); -} - -void -nautilus_image_set_label_text (NautilusImage *image, - const gchar *text) -{ - g_return_if_fail (image != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (image)); - - g_free (image->detail->label_text); + nautilus_buffered_widget_clear_buffer (NAUTILUS_BUFFERED_WIDGET (image)); - image->detail->label_text = text ? g_strdup (text) : NULL; - - gtk_widget_queue_resize (GTK_WIDGET (image)); -} - -gchar* -nautilus_image_get_label_text (NautilusImage *image) -{ - g_return_val_if_fail (image != NULL, NULL); - g_return_val_if_fail (NAUTILUS_IS_IMAGE (image), NULL); - - return image->detail->label_text ? g_strdup (image->detail->label_text) : NULL; -} - -void -nautilus_image_set_label_font (NautilusImage *image, - GdkFont *font) -{ - g_return_if_fail (image != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (image)); - - NAUTILUS_GDK_FONT_UNREF_IF (image->detail->label_font); - - image->detail->label_font = font; - - NAUTILUS_GDK_FONT_REF_IF (image->detail->label_font); - - gtk_widget_queue_resize (GTK_WIDGET (image)); -} - -GdkFont * -nautilus_image_get_label_font (NautilusImage *image) -{ - g_return_val_if_fail (image != NULL, NULL); - g_return_val_if_fail (NAUTILUS_IS_IMAGE (image), NULL); - - NAUTILUS_GDK_FONT_REF_IF (image->detail->label_font); - - return image->detail->label_font; + gtk_widget_queue_draw (GTK_WIDGET (image)); } - -void -nautilus_image_set_left_offset (NautilusImage *image, - guint left_offset) -{ - g_return_if_fail (image != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (image)); - - image->detail->left_offset = left_offset; - - gtk_widget_queue_resize (GTK_WIDGET (image)); -} - -void -nautilus_image_set_right_offset (NautilusImage *image, - guint right_offset) -{ - g_return_if_fail (image != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (image)); - - image->detail->right_offset = right_offset; - - gtk_widget_queue_resize (GTK_WIDGET (image)); -} - -void -nautilus_image_set_top_offset (NautilusImage *image, - guint top_offset) -{ - g_return_if_fail (image != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (image)); - - image->detail->top_offset = top_offset; - - gtk_widget_queue_resize (GTK_WIDGET (image)); -} - -void -nautilus_image_set_bottom_offset (NautilusImage *image, - guint bottom_offset) -{ - g_return_if_fail (image != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (image)); - - image->detail->bottom_offset = bottom_offset; - - gtk_widget_queue_resize (GTK_WIDGET (image)); -} - -void -nautilus_image_set_extra_width (NautilusImage *image, - guint extra_width) -{ - g_return_if_fail (image != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (image)); - - image->detail->extra_width = extra_width; - - gtk_widget_queue_resize (GTK_WIDGET (image)); -} - -void -nautilus_image_set_extra_height (NautilusImage *image, - guint extra_height) -{ - g_return_if_fail (image != NULL); - g_return_if_fail (NAUTILUS_IS_IMAGE (image)); - - image->detail->extra_height = extra_height; - - gtk_widget_queue_resize (GTK_WIDGET (image)); -} - |