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authorStefano Karapetsas <[email protected]>2014-05-18 12:22:36 +0200
committerStefano Karapetsas <[email protected]>2014-05-18 12:22:36 +0200
commite964b756355ad5e66a0166d9ca218bdde2054f6d (patch)
tree6e954f241ce09e6ca540e7cafa92a035f45be113
parent4e757f98c0e977032a2ad4576455aa6407e7537a (diff)
downloadmate-panel-e964b756355ad5e66a0166d9ca218bdde2054f6d.tar.bz2
mate-panel-e964b756355ad5e66a0166d9ca218bdde2054f6d.tar.xz
clock: Dont use deprecated rsvg_pixbuf_from_file_at_size
This required to copy some code from GTK3 source to make it working with GTK2 too Thanks to Sander Sweers for the help to replace rsvg_pixbuf_from_file_at_size
Diffstat
-rw-r--r--applets/clock/clock-face.c12
-rw-r--r--applets/clock/clock-utils.c204
-rw-r--r--applets/clock/clock-utils.h2
3 files changed, 209 insertions, 9 deletions
diff --git a/applets/clock/clock-face.c b/applets/clock/clock-face.c
index 25c0b182..558201ab 100644
--- a/applets/clock/clock-face.c
+++ b/applets/clock/clock-face.c
@@ -15,10 +15,9 @@
#include <math.h>
#include <time.h>
-#include <librsvg/rsvg.h>
-
#include "clock-face.h"
#include "clock-location.h"
+#include "clock-utils.h"
static GHashTable *pixbuf_cache = NULL;
@@ -506,18 +505,13 @@ clock_face_load_face (ClockFace *this, gint width, gint height)
name = g_strconcat (ICONDIR, "/clock-face-", size_string[priv->size],
"-", daytime_string[priv->timeofday], ".svg",
NULL);
- priv->face_pixbuf = rsvg_pixbuf_from_file_at_size (name,
- width, height,
- NULL);
+ priv->face_pixbuf = clock_utils_pixbuf_from_svg_file_at_size (name, width, height);
g_free (name);
if (!priv->face_pixbuf) {
name = g_strconcat (ICONDIR, "/clock-face-",
size_string[priv->size], ".svg", NULL);
- priv->face_pixbuf = rsvg_pixbuf_from_file_at_size (name,
- width,
- height,
- NULL);
+ priv->face_pixbuf = clock_utils_pixbuf_from_svg_file_at_size (name, width, height);
g_free (name);
}
diff --git a/applets/clock/clock-utils.c b/applets/clock/clock-utils.c
index d0dfe2de..4ba93fef 100644
--- a/applets/clock/clock-utils.c
+++ b/applets/clock/clock-utils.c
@@ -34,6 +34,9 @@
#include <gtk/gtk.h>
+#include <librsvg/rsvg.h>
+#include <librsvg/rsvg-cairo.h>
+
#include "clock.h"
#include "clock-utils.h"
@@ -125,3 +128,204 @@ clock_utils_display_help (GtkWidget *widget,
gtk_widget_show (dialog);
}
}
+
+#if !GTK_CHECK_VERSION (3, 0, 0)
+/* code copied from GTK3 gdkpixbuf-drawable.c */
+static cairo_format_t
+gdk_cairo_format_for_content (cairo_content_t content)
+{
+ switch (content)
+ {
+ case CAIRO_CONTENT_COLOR:
+ return CAIRO_FORMAT_RGB24;
+ case CAIRO_CONTENT_ALPHA:
+ return CAIRO_FORMAT_A8;
+ case CAIRO_CONTENT_COLOR_ALPHA:
+ default:
+ return CAIRO_FORMAT_ARGB32;
+ }
+}
+
+static cairo_surface_t *
+gdk_cairo_surface_coerce_to_image (cairo_surface_t *surface,
+ cairo_content_t content,
+ int src_x,
+ int src_y,
+ int width,
+ int height)
+{
+ cairo_surface_t *copy;
+ cairo_t *cr;
+
+ copy = cairo_image_surface_create (gdk_cairo_format_for_content (content),
+ width,
+ height);
+
+ cr = cairo_create (copy);
+ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+ cairo_set_source_surface (cr, surface, -src_x, -src_y);
+ cairo_paint (cr);
+ cairo_destroy (cr);
+
+ return copy;
+}
+
+static void
+convert_alpha (guchar *dest_data,
+ int dest_stride,
+ guchar *src_data,
+ int src_stride,
+ int src_x,
+ int src_y,
+ int width,
+ int height)
+{
+ int x, y;
+
+ src_data += src_stride * src_y + src_x * 4;
+
+ for (y = 0; y < height; y++) {
+ guint32 *src = (guint32 *) src_data;
+
+ for (x = 0; x < width; x++) {
+ guint alpha = src[x] >> 24;
+
+ if (alpha == 0)
+ {
+ dest_data[x * 4 + 0] = 0;
+ dest_data[x * 4 + 1] = 0;
+ dest_data[x * 4 + 2] = 0;
+ }
+ else
+ {
+ dest_data[x * 4 + 0] = (((src[x] & 0xff0000) >> 16) * 255 + alpha / 2) / alpha;
+ dest_data[x * 4 + 1] = (((src[x] & 0x00ff00) >> 8) * 255 + alpha / 2) / alpha;
+ dest_data[x * 4 + 2] = (((src[x] & 0x0000ff) >> 0) * 255 + alpha / 2) / alpha;
+ }
+ dest_data[x * 4 + 3] = alpha;
+ }
+
+ src_data += src_stride;
+ dest_data += dest_stride;
+ }
+}
+
+static void
+convert_no_alpha (guchar *dest_data,
+ int dest_stride,
+ guchar *src_data,
+ int src_stride,
+ int src_x,
+ int src_y,
+ int width,
+ int height)
+{
+ int x, y;
+
+ src_data += src_stride * src_y + src_x * 4;
+
+ for (y = 0; y < height; y++) {
+ guint32 *src = (guint32 *) src_data;
+
+ for (x = 0; x < width; x++) {
+ dest_data[x * 3 + 0] = src[x] >> 16;
+ dest_data[x * 3 + 1] = src[x] >> 8;
+ dest_data[x * 3 + 2] = src[x];
+ }
+
+ src_data += src_stride;
+ dest_data += dest_stride;
+ }
+}
+
+GdkPixbuf *
+gdk_pixbuf_get_from_surface (cairo_surface_t *surface,
+ gint src_x,
+ gint src_y,
+ gint width,
+ gint height)
+{
+ cairo_content_t content;
+ GdkPixbuf *dest;
+
+ /* General sanity checks */
+ g_return_val_if_fail (surface != NULL, NULL);
+ g_return_val_if_fail (width > 0 && height > 0, NULL);
+
+ content = cairo_surface_get_content (surface) | CAIRO_CONTENT_COLOR;
+ dest = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
+ !!(content & CAIRO_CONTENT_ALPHA),
+ 8,
+ width, height);
+
+ if (cairo_surface_get_type (surface) == CAIRO_SURFACE_TYPE_IMAGE &&
+ cairo_image_surface_get_format (surface) == gdk_cairo_format_for_content (content))
+ surface = cairo_surface_reference (surface);
+ else
+ {
+ surface = gdk_cairo_surface_coerce_to_image (surface, content,
+ src_x, src_y,
+ width, height);
+ src_x = 0;
+ src_y = 0;
+ }
+ cairo_surface_flush (surface);
+ if (cairo_surface_status (surface) || dest == NULL)
+ {
+ cairo_surface_destroy (surface);
+ return NULL;
+ }
+
+ if (gdk_pixbuf_get_has_alpha (dest))
+ convert_alpha (gdk_pixbuf_get_pixels (dest),
+ gdk_pixbuf_get_rowstride (dest),
+ cairo_image_surface_get_data (surface),
+ cairo_image_surface_get_stride (surface),
+ src_x, src_y,
+ width, height);
+ else
+ convert_no_alpha (gdk_pixbuf_get_pixels (dest),
+ gdk_pixbuf_get_rowstride (dest),
+ cairo_image_surface_get_data (surface),
+ cairo_image_surface_get_stride (surface),
+ src_x, src_y,
+ width, height);
+
+ cairo_surface_destroy (surface);
+ return dest;
+}
+#endif
+
+GdkPixbuf *
+clock_utils_pixbuf_from_svg_file_at_size (const char *name, int width, int height)
+{
+ RsvgHandle *handle = NULL;
+ RsvgDimensionData svg_dimensions;
+ GdkPixbuf *pixbuf = NULL;
+ cairo_surface_t *surface = NULL;
+ cairo_matrix_t matrix;
+ cairo_t *cr = NULL;
+
+ handle = rsvg_handle_new_from_file (name, NULL);
+ if (!handle)
+ return NULL;
+
+ rsvg_handle_get_dimensions (handle, &svg_dimensions);
+
+ surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
+ cr = cairo_create (surface);
+ cairo_matrix_init_scale (&matrix,
+ ((double) width / svg_dimensions.width),
+ ((double) height / svg_dimensions.height));
+ cairo_transform (cr, &matrix);
+ rsvg_handle_render_cairo (handle, cr);
+ cairo_destroy (cr);
+
+ pixbuf = gdk_pixbuf_get_from_surface (surface, 0, 0, width, height);
+ cairo_surface_destroy (surface);
+
+ rsvg_handle_close (handle, NULL);
+
+ return pixbuf;
+}
+
diff --git a/applets/clock/clock-utils.h b/applets/clock/clock-utils.h
index da54094f..647f7222 100644
--- a/applets/clock/clock-utils.h
+++ b/applets/clock/clock-utils.h
@@ -50,6 +50,8 @@ void clock_utils_display_help (GtkWidget *widget,
const char *doc_id,
const char *link_id);
+GdkPixbuf * clock_utils_pixbuf_from_svg_file_at_size (const char *name, int width, int height);
+
#ifdef __cplusplus
}
#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-04-19 20:46:03 +0000