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Add a GdkPixmap * cache of rendered toggle images. This should

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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
This commit is contained in:
Christopher James Lahey
2002-03-15 21:51:06 +00:00
committed by Chris Lahey
parent 524e5c62c0
commit 95c4e2623b
1 changed files with 130 additions and 48 deletions
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178
widgets/table/e-cell-toggle.c
View File

@ -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;
}