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authorChristopher James Lahey <clahey@ximian.com>2002-03-16 05:51:06 +0800
committerChris Lahey <clahey@src.gnome.org>2002-03-16 05:51:06 +0800
commit95c4e2623b6f22473ee4a304d485400728ed8b09 (patch)
treed6cf4e4b55dd606cc0e3425cd1d114359b51c7b0 /widgets/table
parent524e5c62c0f9220700b8153585a8e1923f2971ab (diff)
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Add a GdkPixmap * cache of rendered toggle images. This should
2002-03-15 Christopher James Lahey <clahey@ximian.com> * e-cell-toggle.c: Add a GdkPixmap * cache of rendered toggle images. This should considerably speed up over the wire performance of ECellToggle. svn path=/trunk/; revision=16177
Diffstat (limited to 'widgets/table')
-rw-r--r--widgets/table/e-cell-toggle.c178
1 files changed, 130 insertions, 48 deletions
diff --git a/widgets/table/e-cell-toggle.c b/widgets/table/e-cell-toggle.c
index 4f30093921..a42d7dbd1a 100644
--- a/widgets/table/e-cell-toggle.c
+++ b/widgets/table/e-cell-toggle.c
@@ -30,18 +30,22 @@
#include <libgnomeui/gnome-canvas.h>
#include "e-cell-toggle.h"
#include "gal/util/e-util.h"
+#include "gal/widgets/e-hsv-utils.h"
#include "e-table-item.h"
#define PARENT_TYPE e_cell_get_type ()
typedef struct {
- ECellView cell_view;
- GdkGC *gc;
- GnomeCanvas *canvas;
+ ECellView cell_view;
+ GdkGC *gc;
+ GnomeCanvas *canvas;
+ GdkPixmap **pixmap_cache;
} ECellToggleView;
static ECellClass *parent_class;
+#define CACHE_SEQ_COUNT 6
+
/*
* ECell::realize method
*/
@@ -51,11 +55,16 @@ etog_new_view (ECell *ecell, ETableModel *table_model, void *e_table_item_view)
ECellToggleView *toggle_view = g_new0 (ECellToggleView, 1);
ETableItem *eti = E_TABLE_ITEM (e_table_item_view);
GnomeCanvas *canvas = GNOME_CANVAS_ITEM (eti)->canvas;
+ ECellToggle *etog = E_CELL_TOGGLE (ecell);
+ int i;
toggle_view->cell_view.ecell = ecell;
toggle_view->cell_view.e_table_model = table_model;
toggle_view->cell_view.e_table_item_view = e_table_item_view;
toggle_view->canvas = canvas;
+ toggle_view->pixmap_cache = g_new (GdkPixmap *, etog->n_states * CACHE_SEQ_COUNT);
+ for (i = 0; i < etog->n_states * CACHE_SEQ_COUNT; i++)
+ toggle_view->pixmap_cache[i] = NULL;
return (ECellView *) toggle_view;
}
@@ -63,6 +72,13 @@ etog_new_view (ECell *ecell, ETableModel *table_model, void *e_table_item_view)
static void
etog_kill_view (ECellView *ecell_view)
{
+ ECellToggle *etog = E_CELL_TOGGLE (ecell_view->ecell);
+ ECellToggleView *toggle_view = (ECellToggleView *) ecell_view;
+ int i;
+
+ for (i = 0; i < etog->n_states * CACHE_SEQ_COUNT; i++)
+ if (toggle_view->pixmap_cache[i])
+ gdk_pixmap_unref (toggle_view->pixmap_cache[i]);
g_free (ecell_view);
}
@@ -86,6 +102,81 @@ etog_unrealize (ECellView *ecv)
toggle_view->gc = NULL;
}
+#define PIXMAP_CACHE(toggle_view, cache_seq, image_seq) ((toggle_view)->pixmap_cache[(cache_seq) * E_CELL_TOGGLE (((ECellView *) (toggle_view))->ecell)->n_states + (image_seq)])
+
+#define RGB_COLOR(color) (((color).red & 0xff00) << 8 | \
+ ((color).green & 0xff00) | \
+ ((color).blue & 0xff00) >> 8)
+
+static void
+check_cache (ECellToggleView *toggle_view, int image_seq, int cache_seq)
+{
+ ECellView *ecell_view = (ECellView *) toggle_view;
+ ECellToggle *etog = E_CELL_TOGGLE (ecell_view->ecell);
+
+ if (PIXMAP_CACHE (toggle_view, cache_seq, image_seq) == NULL) {
+ GdkPixbuf *image = etog->images[image_seq];
+ GdkPixbuf *flat;
+ guint32 color = 0xffffff;
+ int width = gdk_pixbuf_get_width (image);
+ int height = gdk_pixbuf_get_height (image);
+
+ PIXMAP_CACHE (toggle_view, cache_seq, image_seq) =
+ gdk_pixmap_new (toggle_view->canvas->layout.bin_window, width, height,
+ gtk_widget_get_visual (GTK_WIDGET (toggle_view->canvas))->depth);
+
+
+ switch (cache_seq % 3) {
+ case 0:
+ color = RGB_COLOR (GTK_WIDGET (toggle_view->canvas)->style->bg [GTK_STATE_SELECTED]);
+ break;
+ case 1:
+ color = RGB_COLOR (GTK_WIDGET (toggle_view->canvas)->style->bg [GTK_STATE_ACTIVE]);
+ break;
+ case 2:
+ color = RGB_COLOR (GTK_WIDGET (toggle_view->canvas)->style->base [GTK_STATE_NORMAL]);
+ break;
+ }
+
+ if (cache_seq >= 3) {
+ double r, g, b, h, s, v;
+ r = ((color >> 16) & 0xff) / 255.0f;
+ g = ((color >> 8) & 0xff) / 255.0f;
+ b = (color & 0xff) / 255.0f;
+
+ e_rgb_to_hsv (r, g, b, &h, &s, &v);
+
+ if (v - 0.05f < 0) {
+ v += 0.05f;
+ } else {
+ v -= 0.05f;
+ }
+
+ e_hsv_to_rgb (h, s, v, &r, &g, &b);
+
+ color = ((((int)(r * 255.0f)) & 0xff) << 16) +
+ ((((int)(g * 255.0f)) & 0xff) << 8) +
+ (((int)(b * 255.0f)) & 0xff);
+ }
+
+ flat = gdk_pixbuf_composite_color_simple (image,
+ width, height,
+ GDK_INTERP_BILINEAR,
+ 255,
+ 1,
+ color, color);
+
+ gdk_pixbuf_render_to_drawable (flat, PIXMAP_CACHE (toggle_view, cache_seq, image_seq),
+ toggle_view->gc,
+ 0, 0,
+ 0, 0,
+ width, height,
+ GDK_RGB_DITHER_NORMAL,
+ 0, 0);
+ gdk_pixbuf_unref (flat);
+ }
+}
+
/*
* ECell::draw method
*/
@@ -96,11 +187,11 @@ etog_draw (ECellView *ecell_view, GdkDrawable *drawable,
{
ECellToggle *toggle = E_CELL_TOGGLE (ecell_view->ecell);
gboolean selected;
-#if 0
ECellToggleView *toggle_view = (ECellToggleView *) ecell_view;
-#endif
+ GdkPixmap *pixmap;
GdkPixbuf *image;
int x, y, width, height;
+ int cache_seq;
const int value = GPOINTER_TO_INT (
e_table_model_value_at (ecell_view->e_table_model, model_col, row));
@@ -113,7 +204,21 @@ etog_draw (ECellView *ecell_view, GdkDrawable *drawable,
return;
}
- image = toggle->images [value];
+ if (flags & E_CELL_SELECTED) {
+ if (GTK_WIDGET_HAS_FOCUS (toggle_view->canvas))
+ cache_seq = 0;
+ else
+ cache_seq = 1;
+ } else
+ cache_seq = 2;
+
+ if (E_TABLE_ITEM (ecell_view->e_table_item_view)->alternating_row_colors && (row % 2) == 0)
+ cache_seq += 3;
+
+ check_cache (toggle_view, value, cache_seq);
+
+ pixmap = PIXMAP_CACHE (toggle_view, cache_seq, value);
+ image = toggle->images[value];
if ((x2 - x1) < gdk_pixbuf_get_width (image)){
x = x1;
@@ -131,44 +236,11 @@ etog_draw (ECellView *ecell_view, GdkDrawable *drawable,
height = gdk_pixbuf_get_height (image);
}
-#if 0 /* do alpha */
- if (gdk_pixbuf_get_has_alpha (image)) {
- flat = gdk_pixbuf_composite_color_simple (
- image,
- gdk_pixbuf_get_width (image),
- gdk_pixbuf_get_height (image),
- GDK_INTERP_NEAREST,
- 255,
- 32,
- 0xffffff, 0xffffff);
-
- gdk_pixbuf_render_to_drawable (flat, drawable,
- toggle_view->gc,
- 0, 0,
- x, y,
- width, height,
- GDK_RGB_DITHER_NORMAL,
- 0, 0);
- gdk_pixbuf_unref (flat);
- } else {
- gdk_pixbuf_render_to_drawable (image, drawable,
- toggle_view->gc,
- 0, 0,
- x, y,
- width, height,
- GDK_RGB_DITHER_NORMAL,
- 0, 0);
- }
-#else
- gdk_pixbuf_render_to_drawable_alpha (image, drawable,
- 0, 0,
- x, y,
- width, height,
- GDK_PIXBUF_ALPHA_BILEVEL,
- 128,
- GDK_RGB_DITHER_NORMAL,
- x, y);
-#endif
+ gdk_draw_pixmap (drawable, toggle_view->gc,
+ pixmap,
+ 0, 0,
+ x, y,
+ width, height);
}
static void
@@ -260,6 +332,9 @@ etog_destroy (GtkObject *object)
g_free (etog->images);
+ etog->images = NULL;
+ etog->n_states = 0;
+
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
@@ -282,7 +357,16 @@ e_cell_toggle_class_init (GtkObjectClass *object_class)
parent_class = gtk_type_class (PARENT_TYPE);
}
-E_MAKE_TYPE(e_cell_toggle, "ECellToggle", ECellToggle, e_cell_toggle_class_init, NULL, PARENT_TYPE);
+static void
+e_cell_toggle_init (GtkObject *object)
+{
+ ECellToggle *etog = (ECellToggle *) object;
+
+ etog->images = NULL;
+ etog->n_states = 0;
+}
+
+E_MAKE_TYPE(e_cell_toggle, "ECellToggle", ECellToggle, e_cell_toggle_class_init, e_cell_toggle_init, PARENT_TYPE);
/**
* e_cell_toggle_construct:
@@ -310,7 +394,7 @@ e_cell_toggle_construct (ECellToggle *etog, int border, int n_states, GdkPixbuf
gdk_pixbuf_ref (images [i]);
if (gdk_pixbuf_get_height (images [i]) > max_height)
- max_height = gdk_pixbuf_get_height (images [i]);
+ max_height = gdk_pixbuf_get_height (images [i]);
}
etog->height = max_height;
@@ -339,5 +423,3 @@ e_cell_toggle_new (int border, int n_states, GdkPixbuf **images)
return (ECell *) etog;
}
-
-