[evolution/rendering-cleanup: 50/78] gnome-canvas: Convert canvas item transformation matrix to cairo
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [evolution/rendering-cleanup: 50/78] gnome-canvas: Convert canvas item transformation matrix to cairo
- Date: Tue, 19 Oct 2010 23:38:12 +0000 (UTC)
commit e505855951e870c549a38b93321db1b6f3c50010
Author: Benjamin Otte <otte redhat com>
Date: Sun Oct 17 14:15:07 2010 +0200
gnome-canvas: Convert canvas item transformation matrix to cairo
Also update the GnomeCanvasItem.update vfunc to take a cairo_matrix_t
and no longer pass the clip_path (what was it used for anyway?).
calendar/gui/e-day-view-main-item.c | 5 +-
calendar/gui/e-day-view-time-item.c | 11 +-
calendar/gui/e-day-view-top-item.c | 5 +-
calendar/gui/e-meeting-time-sel-item.c | 8 +-
calendar/gui/e-week-view-event-item.c | 5 +-
calendar/gui/e-week-view-main-item.c | 5 +-
calendar/gui/e-week-view-titles-item.c | 5 +-
libgnomecanvas/gnome-canvas-pixbuf.c | 8 +-
libgnomecanvas/gnome-canvas-rect.c | 6 +-
libgnomecanvas/gnome-canvas-rich-text.c | 10 +-
libgnomecanvas/gnome-canvas-shape.c | 6 +-
libgnomecanvas/gnome-canvas-text.c | 8 +-
libgnomecanvas/gnome-canvas-widget.c | 10 +-
libgnomecanvas/gnome-canvas.c | 410 +++++-----------------------
libgnomecanvas/gnome-canvas.h | 19 +-
widgets/misc/e-calendar-item.c | 8 +-
widgets/misc/e-canvas-utils.c | 7 +-
widgets/misc/e-canvas.c | 34 +--
widgets/table/e-table-field-chooser-item.c | 34 +--
widgets/table/e-table-header-item.c | 35 +--
widgets/table/e-table-item.c | 63 ++---
widgets/text/e-reflow.c | 6 +-
widgets/text/e-text.c | 4 +-
23 files changed, 200 insertions(+), 512 deletions(-)
---
diff --git a/calendar/gui/e-day-view-main-item.c b/calendar/gui/e-day-view-main-item.c
index 33e45bb..0383d3b 100644
--- a/calendar/gui/e-day-view-main-item.c
+++ b/calendar/gui/e-day-view-main-item.c
@@ -980,15 +980,14 @@ day_view_main_item_dispose (GObject *object)
static void
day_view_main_item_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *i2c,
gint flags)
{
GnomeCanvasItemClass *canvas_item_class;
/* Chain up to parent's update() method. */
canvas_item_class = GNOME_CANVAS_ITEM_CLASS (parent_class);
- canvas_item_class->update (item, affine, clip_path, flags);
+ canvas_item_class->update (item, i2c, flags);
/* The item covers the entire canvas area. */
item->x1 = 0;
diff --git a/calendar/gui/e-day-view-time-item.c b/calendar/gui/e-day-view-time-item.c
index e952515..e163e27 100644
--- a/calendar/gui/e-day-view-time-item.c
+++ b/calendar/gui/e-day-view-time-item.c
@@ -74,8 +74,8 @@ struct _EDayViewTimeItemPrivate {
};
static void e_day_view_time_item_update (GnomeCanvasItem *item,
- double *affine,
- ArtSVP *clip_path, gint flags);
+ const cairo_matrix_t *i2c,
+ gint flags);
static void e_day_view_time_item_draw (GnomeCanvasItem *item,
GdkDrawable *drawable,
gint x, gint y,
@@ -257,12 +257,11 @@ e_day_view_time_item_get_type (void)
static void
e_day_view_time_item_update (GnomeCanvasItem *item,
- double *affine,
- ArtSVP *clip_path,
- gint flags)
+ const cairo_matrix_t *i2c,
+ gint flags)
{
if (GNOME_CANVAS_ITEM_CLASS (parent_class)->update)
- (* GNOME_CANVAS_ITEM_CLASS (parent_class)->update) (item, affine, clip_path, flags);
+ (* GNOME_CANVAS_ITEM_CLASS (parent_class)->update) (item, i2c, flags);
/* The item covers the entire canvas area. */
item->x1 = 0;
diff --git a/calendar/gui/e-day-view-top-item.c b/calendar/gui/e-day-view-top-item.c
index 41a2b66..126f983 100644
--- a/calendar/gui/e-day-view-top-item.c
+++ b/calendar/gui/e-day-view-top-item.c
@@ -576,15 +576,14 @@ day_view_top_item_dispose (GObject *object)
static void
day_view_top_item_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *i2c,
gint flags)
{
GnomeCanvasItemClass *canvas_item_class;
/* Chain up to parent's update() method. */
canvas_item_class = GNOME_CANVAS_ITEM_CLASS (parent_class);
- canvas_item_class->update (item, affine, clip_path, flags);
+ canvas_item_class->update (item, i2c, flags);
/* The item covers the entire canvas area. */
item->x1 = 0;
diff --git a/calendar/gui/e-meeting-time-sel-item.c b/calendar/gui/e-meeting-time-sel-item.c
index 2119127..a8b6e6b 100644
--- a/calendar/gui/e-meeting-time-sel-item.c
+++ b/calendar/gui/e-meeting-time-sel-item.c
@@ -48,8 +48,8 @@ static void e_meeting_time_selector_item_set_property (GObject *object,
static void e_meeting_time_selector_item_realize (GnomeCanvasItem *item);
static void e_meeting_time_selector_item_unrealize (GnomeCanvasItem *item);
static void e_meeting_time_selector_item_update (GnomeCanvasItem *item,
- double *affine,
- ArtSVP *clip_path, gint flags);
+ const cairo_matrix_t *i2c,
+ gint flags);
static void e_meeting_time_selector_item_draw (GnomeCanvasItem *item,
GdkDrawable *drawable,
gint x, gint y,
@@ -221,10 +221,10 @@ e_meeting_time_selector_item_unrealize (GnomeCanvasItem *item)
}
static void
-e_meeting_time_selector_item_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, gint flags)
+e_meeting_time_selector_item_update (GnomeCanvasItem *item, const cairo_matrix_t *i2c, gint flags)
{
if (GNOME_CANVAS_ITEM_CLASS (e_meeting_time_selector_item_parent_class)->update)
- (* GNOME_CANVAS_ITEM_CLASS (e_meeting_time_selector_item_parent_class)->update) (item, affine, clip_path, flags);
+ (* GNOME_CANVAS_ITEM_CLASS (e_meeting_time_selector_item_parent_class)->update) (item, i2c, flags);
/* The grid covers the entire canvas area. */
item->x1 = 0;
diff --git a/calendar/gui/e-week-view-event-item.c b/calendar/gui/e-week-view-event-item.c
index 8309dcd..c03f991 100644
--- a/calendar/gui/e-week-view-event-item.c
+++ b/calendar/gui/e-week-view-event-item.c
@@ -666,8 +666,7 @@ week_view_event_item_get_property (GObject *object,
static void
week_view_event_item_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *i2c,
gint flags)
{
GnomeCanvasItemClass *canvas_item_class;
@@ -685,7 +684,7 @@ week_view_event_item_update (GnomeCanvasItem *item,
/* Chain up to parent's update() method. */
canvas_item_class = GNOME_CANVAS_ITEM_CLASS (parent_class);
- canvas_item_class->update (item, affine, clip_path, flags);
+ canvas_item_class->update (item, i2c, flags);
item->x1 = 0;
item->y1 = 0;
diff --git a/calendar/gui/e-week-view-main-item.c b/calendar/gui/e-week-view-main-item.c
index 5d09d45..3236504 100644
--- a/calendar/gui/e-week-view-main-item.c
+++ b/calendar/gui/e-week-view-main-item.c
@@ -354,15 +354,14 @@ week_view_main_item_dispose (GObject *object)
static void
week_view_main_item_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *i2c,
gint flags)
{
GnomeCanvasItemClass *canvas_item_class;
/* Chain up to parent's update() method. */
canvas_item_class = GNOME_CANVAS_ITEM_CLASS (parent_class);
- canvas_item_class->update (item, affine, clip_path, flags);
+ canvas_item_class->update (item, i2c, flags);
/* The item covers the entire canvas area. */
item->x1 = 0;
diff --git a/calendar/gui/e-week-view-titles-item.c b/calendar/gui/e-week-view-titles-item.c
index 2e058d1..91fe233 100644
--- a/calendar/gui/e-week-view-titles-item.c
+++ b/calendar/gui/e-week-view-titles-item.c
@@ -97,15 +97,14 @@ week_view_titles_item_dispose (GObject *object)
static void
week_view_titles_item_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *i2c,
gint flags)
{
GnomeCanvasItemClass *canvas_item_class;
/* Chain up to parent's update() method. */
canvas_item_class = GNOME_CANVAS_ITEM_CLASS (parent_class);
- canvas_item_class->update (item, affine, clip_path, flags);
+ canvas_item_class->update (item, i2c, flags);
/* The item covers the entire canvas area. */
item->x1 = 0;
diff --git a/libgnomecanvas/gnome-canvas-pixbuf.c b/libgnomecanvas/gnome-canvas-pixbuf.c
index 1fc7760..017ee26 100644
--- a/libgnomecanvas/gnome-canvas-pixbuf.c
+++ b/libgnomecanvas/gnome-canvas-pixbuf.c
@@ -49,8 +49,7 @@ static void gnome_canvas_pixbuf_get_property (GObject *object,
GValue *value,
GParamSpec *pspec);
-static void gnome_canvas_pixbuf_update (GnomeCanvasItem *item, gdouble *affine,
- ArtSVP *clip_path, gint flags);
+static void gnome_canvas_pixbuf_update (GnomeCanvasItem *item, const cairo_matrix_t *i2c, gint flags);
static void gnome_canvas_pixbuf_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
gint x, gint y, gint width, gint height);
static GnomeCanvasItem *gnome_canvas_pixbuf_point (GnomeCanvasItem *item,
@@ -242,8 +241,7 @@ recompute_bounding_box (GnomeCanvasPixbuf *gcp)
/* Update handler for the pixbuf canvas item */
static void
gnome_canvas_pixbuf_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *i2c,
gint flags)
{
GnomeCanvasPixbuf *gcp;
@@ -253,7 +251,7 @@ gnome_canvas_pixbuf_update (GnomeCanvasItem *item,
priv = gcp->priv;
if (GNOME_CANVAS_ITEM_CLASS (gnome_canvas_pixbuf_parent_class)->update)
- GNOME_CANVAS_ITEM_CLASS (gnome_canvas_pixbuf_parent_class)->update (item, affine, clip_path, flags);
+ GNOME_CANVAS_ITEM_CLASS (gnome_canvas_pixbuf_parent_class)->update (item, i2c, flags);
/* ordinary update logic */
gnome_canvas_request_redraw (
diff --git a/libgnomecanvas/gnome-canvas-rect.c b/libgnomecanvas/gnome-canvas-rect.c
index 013ce08..e41abb9 100644
--- a/libgnomecanvas/gnome-canvas-rect.c
+++ b/libgnomecanvas/gnome-canvas-rect.c
@@ -59,7 +59,7 @@ static void gnome_canvas_rect_get_property (GObject *object,
GValue *value,
GParamSpec *pspec);
-static void gnome_canvas_rect_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags);
+static void gnome_canvas_rect_update (GnomeCanvasItem *item, const cairo_matrix_t *matrix, gint flags);
G_DEFINE_TYPE(GnomeCanvasRect, gnome_canvas_rect, GNOME_TYPE_CANVAS_SHAPE)
@@ -197,7 +197,7 @@ gnome_canvas_rect_get_property (GObject *object,
}
static void
-gnome_canvas_rect_update (GnomeCanvasItem *item, gdouble affine[6], ArtSVP *clip_path, gint flags)
+gnome_canvas_rect_update (GnomeCanvasItem *item, const cairo_matrix_t *matrix, gint flags)
{
GnomeCanvasRect *rect = GNOME_CANVAS_RECT (item);
@@ -220,5 +220,5 @@ gnome_canvas_rect_update (GnomeCanvasItem *item, gdouble affine[6], ArtSVP *clip
}
if (GNOME_CANVAS_ITEM_CLASS (gnome_canvas_rect_parent_class)->update)
- GNOME_CANVAS_ITEM_CLASS (gnome_canvas_rect_parent_class)->update (item, affine, clip_path, flags);
+ GNOME_CANVAS_ITEM_CLASS (gnome_canvas_rect_parent_class)->update (item, matrix, flags);
}
diff --git a/libgnomecanvas/gnome-canvas-rich-text.c b/libgnomecanvas/gnome-canvas-rich-text.c
index 9d241f4..26c72f1 100644
--- a/libgnomecanvas/gnome-canvas-rich-text.c
+++ b/libgnomecanvas/gnome-canvas-rich-text.c
@@ -118,8 +118,8 @@ static void gnome_canvas_rich_text_set_property (GObject *object, guint property
const GValue *value, GParamSpec *pspec);
static void gnome_canvas_rich_text_get_property (GObject *object, guint property_id,
GValue *value, GParamSpec *pspec);
-static void gnome_canvas_rich_text_update (GnomeCanvasItem *item, gdouble *affine,
- ArtSVP *clip_path, gint flags);
+static void gnome_canvas_rich_text_update (GnomeCanvasItem *item,
+ const cairo_matrix_t *matrix, gint flags);
static void gnome_canvas_rich_text_realize (GnomeCanvasItem *item);
static void gnome_canvas_rich_text_unrealize (GnomeCanvasItem *item);
static GnomeCanvasItem * gnome_canvas_rich_text_point (GnomeCanvasItem *item,
@@ -2062,15 +2062,15 @@ gnome_canvas_rich_text_get_bounds (GnomeCanvasItem *item,
}
static void
-gnome_canvas_rich_text_update (GnomeCanvasItem *item, gdouble *affine,
- ArtSVP *clip_path, gint flags)
+gnome_canvas_rich_text_update (GnomeCanvasItem *item, const cairo_matrix_t *matrix,
+ gint flags)
{
GnomeCanvasRichText *text = GNOME_CANVAS_RICH_TEXT (item);
gdouble x1, y1, x2, y2;
GtkTextIter start;
(* GNOME_CANVAS_ITEM_CLASS (parent_class)->update)(
- item, affine, clip_path, flags);
+ item, matrix, flags);
get_bounds (text, &x1, &y1, &x2, &y2);
diff --git a/libgnomecanvas/gnome-canvas-shape.c b/libgnomecanvas/gnome-canvas-shape.c
index d1ad26c..346230a 100644
--- a/libgnomecanvas/gnome-canvas-shape.c
+++ b/libgnomecanvas/gnome-canvas-shape.c
@@ -55,7 +55,7 @@ static void gnome_canvas_shape_get_property (GObject *object,
GValue *value,
GParamSpec *pspec);
-static void gnome_canvas_shape_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags);
+static void gnome_canvas_shape_update (GnomeCanvasItem *item, const cairo_matrix_t *i2c, gint flags);
static void gnome_canvas_shape_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
gint x, gint y, gint width, gint height);
static GnomeCanvasItem *gnome_canvas_shape_point (GnomeCanvasItem *item, gdouble x, gdouble y,
@@ -512,7 +512,7 @@ gnome_canvas_shape_bounds (GnomeCanvasItem *item, gdouble *x1, gdouble *y1, gdou
}
static void
-gnome_canvas_shape_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags)
+gnome_canvas_shape_update (GnomeCanvasItem *item, const cairo_matrix_t *i2c, gint flags)
{
GnomeCanvasShape * shape;
GnomeCanvasShapePriv * priv;
@@ -525,7 +525,7 @@ gnome_canvas_shape_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_
/* Common part */
if (GNOME_CANVAS_ITEM_CLASS (gnome_canvas_shape_parent_class)->update)
- GNOME_CANVAS_ITEM_CLASS (gnome_canvas_shape_parent_class)->update (item, affine, clip_path, flags);
+ GNOME_CANVAS_ITEM_CLASS (gnome_canvas_shape_parent_class)->update (item, i2c, flags);
gnome_canvas_shape_bounds (item, &x1, &x2, &y1, &y2);
gnome_canvas_item_i2w_matrix (item, &matrix);
diff --git a/libgnomecanvas/gnome-canvas-text.c b/libgnomecanvas/gnome-canvas-text.c
index 0d4d915..09c721a 100644
--- a/libgnomecanvas/gnome-canvas-text.c
+++ b/libgnomecanvas/gnome-canvas-text.c
@@ -112,8 +112,7 @@ static void gnome_canvas_text_get_property (GObject *object,
GValue *value,
GParamSpec *pspec);
-static void gnome_canvas_text_update (GnomeCanvasItem *item, gdouble *affine,
- ArtSVP *clip_path, gint flags);
+static void gnome_canvas_text_update (GnomeCanvasItem *item, const cairo_matrix_t *matrix, gint flags);
static void gnome_canvas_text_realize (GnomeCanvasItem *item);
static void gnome_canvas_text_unrealize (GnomeCanvasItem *item);
static void gnome_canvas_text_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
@@ -1329,8 +1328,7 @@ gnome_canvas_text_set_markup (GnomeCanvasText *textitem,
/* Update handler for the text item */
static void
gnome_canvas_text_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *matrix,
gint flags)
{
GnomeCanvasText *text;
@@ -1339,7 +1337,7 @@ gnome_canvas_text_update (GnomeCanvasItem *item,
text = GNOME_CANVAS_TEXT (item);
if (parent_class->update)
- (* parent_class->update) (item, affine, clip_path, flags);
+ (* parent_class->update) (item, matrix, flags);
set_text_gc_foreground (text);
get_bounds (text, &x1, &y1, &x2, &y2);
diff --git a/libgnomecanvas/gnome-canvas-widget.c b/libgnomecanvas/gnome-canvas-widget.c
index b57b59e..bff49e5 100644
--- a/libgnomecanvas/gnome-canvas-widget.c
+++ b/libgnomecanvas/gnome-canvas-widget.c
@@ -60,8 +60,7 @@ static void gnome_canvas_widget_set_property (GObject *object,
GParamSpec *pspec);
static void gnome_canvas_widget_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *matrix,
gint flags);
static GnomeCanvasItem *gnome_canvas_widget_point (GnomeCanvasItem *item,
gdouble x,
@@ -389,7 +388,7 @@ gnome_canvas_widget_set_property (GObject *object,
}
if (update)
- (* GNOME_CANVAS_ITEM_GET_CLASS (item)->update) (item, NULL, NULL, 0);
+ (* GNOME_CANVAS_ITEM_GET_CLASS (item)->update) (item, NULL, 0);
if (calc_bounds)
recalc_bounds (witem);
@@ -445,8 +444,7 @@ gnome_canvas_widget_get_property (GObject *object,
static void
gnome_canvas_widget_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *matrix,
gint flags)
{
GnomeCanvasWidget *witem;
@@ -454,7 +452,7 @@ gnome_canvas_widget_update (GnomeCanvasItem *item,
witem = GNOME_CANVAS_WIDGET (item);
if (parent_class->update)
- (* parent_class->update) (item, affine, clip_path, flags);
+ (* parent_class->update) (item, matrix, flags);
if (witem->widget) {
if (witem->size_pixels) {
diff --git a/libgnomecanvas/gnome-canvas.c b/libgnomecanvas/gnome-canvas.c
index 71d18c2..4e29ea6 100644
--- a/libgnomecanvas/gnome-canvas.c
+++ b/libgnomecanvas/gnome-canvas.c
@@ -87,6 +87,7 @@
#include "gailcanvas.h"
#include "gnome-canvas.h"
#include "gnome-canvas-i18n.h"
+#include "gnome-canvas-util.h"
#include <libart_lgpl/art_rect.h>
#include <libart_lgpl/art_rect_uta.h>
#include <libart_lgpl/art_uta_rect.h>
@@ -177,6 +178,8 @@ static void
gnome_canvas_item_init (GnomeCanvasItem *item)
{
item->flags |= GNOME_CANVAS_ITEM_VISIBLE;
+
+ cairo_matrix_init_identity (&item->matrix);
}
/**
@@ -359,9 +362,6 @@ gnome_canvas_item_dispose (GObject *object)
if (item->parent)
group_remove (GNOME_CANVAS_GROUP (item->parent), item);
- g_free (item->xform);
- item->xform = NULL;
-
if (GNOME_CANVAS_ITEM_GET_CLASS (item)->destroy)
GNOME_CANVAS_ITEM_GET_CLASS (item)->destroy (item);
@@ -404,8 +404,7 @@ gnome_canvas_item_unmap (GnomeCanvasItem *item)
/* Update handler for canvas items */
static void
gnome_canvas_item_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *matrix,
gint flags)
{
item->flags &= ~GNOME_CANVAS_ITEM_NEED_UPDATE;
@@ -414,20 +413,6 @@ gnome_canvas_item_update (GnomeCanvasItem *item,
item->flags &= ~GNOME_CANVAS_ITEM_NEED_VIS;
}
-static void
-gnome_canvas_matrix_from_affine (cairo_matrix_t *matrix,
- double affine[6])
-{
- matrix->xx = affine[0];
- matrix->yx = affine[1];
- matrix->xy = affine[2];
- matrix->yy = affine[3];
- matrix->x0 = affine[4];
- matrix->y0 = affine[5];
-}
-
-#define noHACKISH_AFFINE
-
/*
* This routine invokes the update method of the item
* Please notice, that we take parent to canvas pixel matrix as argument
@@ -443,16 +428,11 @@ gnome_canvas_matrix_from_affine (cairo_matrix_t *matrix,
static void
gnome_canvas_item_invoke_update (GnomeCanvasItem *item,
- gdouble *p2cpx,
- ArtSVP *clip_path,
+ const cairo_matrix_t *p2c,
gint flags)
{
gint child_flags;
- gdouble i2cpx[6];
-
-#ifdef HACKISH_AFFINE
- gdouble i2w[6], w2c[6], i2c[6];
-#endif
+ cairo_matrix_t i2c;
child_flags = flags;
if (!(item->flags & GNOME_CANVAS_ITEM_VISIBLE))
@@ -460,28 +440,7 @@ gnome_canvas_item_invoke_update (GnomeCanvasItem *item,
/* Calculate actual item transformation matrix */
- if (item->xform) {
- if (item->flags & GNOME_CANVAS_ITEM_AFFINE_FULL) {
- /* Item has full affine */
- art_affine_multiply (i2cpx, item->xform, p2cpx);
- } else {
- /* Item has only translation */
- memcpy (i2cpx, p2cpx, 4 * sizeof (gdouble));
- i2cpx[4] = item->xform[0] * p2cpx[0] + item->xform[1] * p2cpx[2] + p2cpx[4];
- i2cpx[5] = item->xform[0] * p2cpx[1] + item->xform[1] * p2cpx[3] + p2cpx[5];
- }
- } else {
- /* Item has no matrix (i.e. identity) */
- memcpy (i2cpx, p2cpx, 6 * sizeof (gdouble));
- }
-
-#ifdef HACKISH_AFFINE
- gnome_canvas_item_i2w_affine (item, i2w);
- gnome_canvas_w2c_affine (item->canvas, w2c);
- art_affine_multiply (i2c, i2w, w2c);
- /* invariant (doesn't hold now): child_affine == i2c */
- child_affine = i2c;
-#endif
+ cairo_matrix_multiply (&i2c, &item->matrix, p2c);
/* apply object flags to child flags */
@@ -501,7 +460,7 @@ gnome_canvas_item_invoke_update (GnomeCanvasItem *item,
if (child_flags & GCI_UPDATE_MASK) {
if (GNOME_CANVAS_ITEM_GET_CLASS (item)->update)
- GNOME_CANVAS_ITEM_GET_CLASS (item)->update (item, i2cpx, clip_path, child_flags);
+ GNOME_CANVAS_ITEM_GET_CLASS (item)->update (item, &i2c, child_flags);
}
}
@@ -519,39 +478,14 @@ gnome_canvas_item_invoke_point (GnomeCanvasItem *item,
gint cx,
gint cy)
{
- /* Calculate x & y in item local coordinates */
-
- if (item->xform) {
- if (item->flags & GNOME_CANVAS_ITEM_AFFINE_FULL) {
- gdouble p2i[6], t;
- /* Item has full affine */
- art_affine_invert (p2i, item->xform);
- t = x * p2i[0] + y * p2i[2] + p2i[4];
- y = x * p2i[1] + y * p2i[3] + p2i[5];
- x = t;
- } else {
- /* Item has only translation */
- x -= item->xform[0];
- y -= item->xform[1];
- }
- }
+ cairo_matrix_t inverse;
-#ifdef HACKISH_AFFINE
- gdouble i2w[6], w2c[6], i2c[6], c2i[6];
- ArtPoint c, i;
-#endif
+ /* Calculate x & y in item local coordinates */
+ inverse = item->matrix;
+ if (cairo_matrix_invert (&inverse) != CAIRO_STATUS_SUCCESS)
+ return NULL;
-#ifdef HACKISH_AFFINE
- gnome_canvas_item_i2w_affine (item, i2w);
- gnome_canvas_w2c_affine (item->canvas, w2c);
- art_affine_multiply (i2c, i2w, w2c);
- art_affine_invert (c2i, i2c);
- c.x = cx;
- c.y = cy;
- art_affine_point (&i, &c, c2i);
- x = i.x;
- y = i.y;
-#endif
+ cairo_matrix_transform_point (&inverse, &x, &y);
if (GNOME_CANVAS_ITEM_GET_CLASS (item)->point)
return GNOME_CANVAS_ITEM_GET_CLASS (item)->point (item, x, y, cx, cy);
@@ -601,82 +535,44 @@ gnome_canvas_item_set_valist (GnomeCanvasItem *item,
}
/**
- * gnome_canvas_item_affine_relative:
+ * gnome_canvas_item_transform:
* @item: A canvas item.
- * @affine: An affine transformation matrix.
+ * @matrix: An affine transformation matrix.
*
* Combines the specified affine transformation matrix with the item's current
- * transformation. NULL affine is not allowed.
+ * transformation.
**/
-#define GCIAR_EPSILON 1e-6
void
-gnome_canvas_item_affine_relative (GnomeCanvasItem *item, const gdouble affine[6])
+gnome_canvas_item_transform (GnomeCanvasItem *item, const cairo_matrix_t *matrix)
{
- gdouble i2p[6];
+ cairo_matrix_t i2p;
- g_return_if_fail (item != NULL);
g_return_if_fail (GNOME_IS_CANVAS_ITEM (item));
- g_return_if_fail (affine != NULL);
+ g_return_if_fail (matrix != NULL);
/* Calculate actual item transformation matrix */
+ cairo_matrix_multiply (&i2p, matrix, &item->matrix);
- if (item->xform) {
- if (item->flags & GNOME_CANVAS_ITEM_AFFINE_FULL) {
- /* Item has full affine */
- art_affine_multiply (i2p, affine, item->xform);
- } else {
- /* Item has only translation */
- memcpy (i2p, affine, 6 * sizeof (gdouble));
- i2p[4] += item->xform[0];
- i2p[5] += item->xform[1];
- }
- } else {
- /* Item has no matrix (i.e. identity) */
- memcpy (i2p, affine, 6 * sizeof (gdouble));
- }
-
- gnome_canvas_item_affine_absolute (item, i2p);
+ gnome_canvas_item_set_matrix (item, &i2p);
}
/**
- * gnome_canvas_item_affine_absolute:
+ * gnome_canvas_item_set_matrix:
* @item: A canvas item.
- * @affine: An affine transformation matrix.
+ * @matrix: An affine transformation matrix or %NULL for the identity matrix.
*
* Makes the item's affine transformation matrix be equal to the specified
- * matrix. NULL affine is treated as identity.
+ * matrix. NULL is treated as identity.
**/
void
-gnome_canvas_item_affine_absolute (GnomeCanvasItem *item, const gdouble i2p[6])
+gnome_canvas_item_set_matrix (GnomeCanvasItem *item, const cairo_matrix_t *matrix)
{
- g_return_if_fail (item != NULL);
g_return_if_fail (GNOME_IS_CANVAS_ITEM (item));
- if (i2p &&
- (fabs (i2p[0] - 1.0) < GCI_EPSILON) &&
- (fabs (i2p[1] - 0.0) < GCI_EPSILON) &&
- (fabs (i2p[2] - 0.0) < GCI_EPSILON) &&
- (fabs (i2p[3] - 1.0) < GCI_EPSILON) &&
- (fabs (i2p[4] - 0.0) < GCI_EPSILON) &&
- (fabs (i2p[5] - 0.0) < GCI_EPSILON)) {
- /* We are identity */
- i2p = NULL;
- }
-
- if (i2p) {
- if (item->xform && !(item->flags & GNOME_CANVAS_ITEM_AFFINE_FULL)) {
- /* We do not want to deal with translation-only affines */
- g_free (item->xform);
- item->xform = NULL;
- }
- if (!item->xform) item->xform = g_new (gdouble, 6);
- memcpy (item->xform, i2p, 6 * sizeof (gdouble));
- item->flags |= GNOME_CANVAS_ITEM_AFFINE_FULL;
+ if (matrix) {
+ item->matrix = *matrix;
} else {
- if (item->xform) {
- g_free (item->xform);
- item->xform = NULL;
- }
+ cairo_matrix_init_identity (&item->matrix);
}
if (!(item->flags & GNOME_CANVAS_ITEM_NEED_AFFINE)) {
@@ -702,14 +598,13 @@ gnome_canvas_item_affine_absolute (GnomeCanvasItem *item, const gdouble i2p[6])
void
gnome_canvas_item_move (GnomeCanvasItem *item, gdouble dx, gdouble dy)
{
- gdouble translate[6];
+ cairo_matrix_t translate;
- g_return_if_fail (item != NULL);
g_return_if_fail (GNOME_IS_CANVAS_ITEM (item));
- art_affine_translate (translate, dx, dy);
+ cairo_matrix_init_translate (&translate, dx, dy);
- gnome_canvas_item_affine_relative (item, translate);
+ gnome_canvas_item_transform (item, &translate);
}
/* Convenience function to reorder items in a group's child list. This puts the
@@ -1014,36 +909,6 @@ gnome_canvas_item_ungrab (GnomeCanvasItem *item, guint32 etime)
gdk_pointer_ungrab (etime);
}
-/**
- * gnome_canvas_item_i2w_affine:
- * @item: A canvas item
- * @affine: An affine transformation matrix (return value).
- *
- * Gets the affine transform that converts from the item's coordinate system to
- * world coordinates.
- **/
-void
-gnome_canvas_item_i2w_affine (GnomeCanvasItem *item, gdouble affine[6])
-{
- g_return_if_fail (GNOME_IS_CANVAS_ITEM (item));
- g_return_if_fail (affine != NULL);
-
- art_affine_identity (affine);
-
- while (item) {
- if (item->xform != NULL) {
- if (item->flags & GNOME_CANVAS_ITEM_AFFINE_FULL) {
- art_affine_multiply (affine, affine, item->xform);
- } else {
- affine[4] += item->xform[0];
- affine[5] += item->xform[1];
- }
- }
-
- item = item->parent;
- }
-}
-
void
gnome_canvas_item_i2w_matrix (GnomeCanvasItem *item, cairo_matrix_t *matrix)
{
@@ -1053,11 +918,7 @@ gnome_canvas_item_i2w_matrix (GnomeCanvasItem *item, cairo_matrix_t *matrix)
cairo_matrix_init_identity (matrix);
while (item) {
- if (item->xform != NULL) {
- cairo_matrix_t tmp;
- gnome_canvas_matrix_from_affine (&tmp, item->xform);
- cairo_matrix_multiply (matrix, matrix, &tmp);
- }
+ cairo_matrix_multiply (matrix, matrix, &item->matrix);
item = item->parent;
}
@@ -1072,12 +933,7 @@ gnome_canvas_item_w2i_matrix (GnomeCanvasItem *item, cairo_matrix_t *matrix)
cairo_matrix_init_identity (matrix);
while (item) {
- if (item->xform != NULL) {
- cairo_matrix_t tmp;
- gnome_canvas_matrix_from_affine (&tmp, item->xform);
- cairo_matrix_multiply (matrix, &tmp, matrix);
- }
-
+ cairo_matrix_multiply (matrix, &item->matrix, matrix);
item = item->parent;
}
}
@@ -1094,20 +950,14 @@ gnome_canvas_item_w2i_matrix (GnomeCanvasItem *item, cairo_matrix_t *matrix)
void
gnome_canvas_item_w2i (GnomeCanvasItem *item, gdouble *x, gdouble *y)
{
- gdouble affine[6], inv[6];
- ArtPoint w, i;
+ cairo_matrix_t matrix;
g_return_if_fail (GNOME_IS_CANVAS_ITEM (item));
g_return_if_fail (x != NULL);
g_return_if_fail (y != NULL);
- gnome_canvas_item_i2w_affine (item, affine);
- art_affine_invert (inv, affine);
- w.x = *x;
- w.y = *y;
- art_affine_point (&i, &w, inv);
- *x = i.x;
- *y = i.y;
+ gnome_canvas_item_w2i_matrix (item, &matrix);
+ cairo_matrix_transform_point (&matrix, x, y);
}
/**
@@ -1122,37 +972,14 @@ gnome_canvas_item_w2i (GnomeCanvasItem *item, gdouble *x, gdouble *y)
void
gnome_canvas_item_i2w (GnomeCanvasItem *item, gdouble *x, gdouble *y)
{
- gdouble affine[6];
- ArtPoint w, i;
+ cairo_matrix_t matrix;
g_return_if_fail (GNOME_IS_CANVAS_ITEM (item));
g_return_if_fail (x != NULL);
g_return_if_fail (y != NULL);
- gnome_canvas_item_i2w_affine (item, affine);
- i.x = *x;
- i.y = *y;
- art_affine_point (&w, &i, affine);
- *x = w.x;
- *y = w.y;
-}
-
-/**
- * gnome_canvas_item_i2c_affine:
- * @item: A canvas item.
- * @affine: An affine transformation matrix (return value).
- *
- * Gets the affine transform that converts from item-relative coordinates to
- * canvas pixel coordinates.
- **/
-void
-gnome_canvas_item_i2c_affine (GnomeCanvasItem *item, gdouble affine[6])
-{
- gdouble i2w[6], w2c[6];
-
- gnome_canvas_item_i2w_affine (item, i2w);
- gnome_canvas_w2c_affine (item->canvas, w2c);
- art_affine_multiply (affine, i2w, w2c);
+ gnome_canvas_item_i2w_matrix (item, &matrix);
+ cairo_matrix_transform_point (&matrix, x, y);
}
/**
@@ -1297,10 +1124,6 @@ gnome_canvas_item_get_bounds (GnomeCanvasItem *item,
gdouble *y2)
{
gdouble tx1, ty1, tx2, ty2;
- ArtPoint p1, p2, p3, p4;
- ArtPoint q1, q2, q3, q4;
- gdouble min_x1, min_y1, min_x2, min_y2;
- gdouble max_x1, max_y1, max_x2, max_y2;
g_return_if_fail (GNOME_IS_CANVAS_ITEM (item));
@@ -1312,60 +1135,7 @@ gnome_canvas_item_get_bounds (GnomeCanvasItem *item,
(* GNOME_CANVAS_ITEM_GET_CLASS (item)->bounds) (item, &tx1, &ty1, &tx2, &ty2);
/* Make the bounds relative to the item's parent coordinate system */
-
- if (item->xform && (item->flags & GNOME_CANVAS_ITEM_AFFINE_FULL)) {
- p1.x = p2.x = tx1;
- p1.y = p4.y = ty1;
- p3.x = p4.x = tx2;
- p2.y = p3.y = ty2;
-
- art_affine_point (&q1, &p1, item->xform);
- art_affine_point (&q2, &p2, item->xform);
- art_affine_point (&q3, &p3, item->xform);
- art_affine_point (&q4, &p4, item->xform);
-
- if (q1.x < q2.x) {
- min_x1 = q1.x;
- max_x1 = q2.x;
- } else {
- min_x1 = q2.x;
- max_x1 = q1.x;
- }
-
- if (q1.y < q2.y) {
- min_y1 = q1.y;
- max_y1 = q2.y;
- } else {
- min_y1 = q2.y;
- max_y1 = q1.y;
- }
-
- if (q3.x < q4.x) {
- min_x2 = q3.x;
- max_x2 = q4.x;
- } else {
- min_x2 = q4.x;
- max_x2 = q3.x;
- }
-
- if (q3.y < q4.y) {
- min_y2 = q3.y;
- max_y2 = q4.y;
- } else {
- min_y2 = q4.y;
- max_y2 = q3.y;
- }
-
- tx1 = MIN (min_x1, min_x2);
- ty1 = MIN (min_y1, min_y2);
- tx2 = MAX (max_x1, max_x2);
- ty2 = MAX (max_y1, max_y2);
- } else if (item->xform) {
- tx1 += item->xform[0];
- ty1 += item->xform[1];
- tx2 += item->xform[0];
- ty2 += item->xform[1];
- }
+ gnome_canvas_matrix_transform_rect (&item->matrix, &tx1, &ty1, &tx2, &ty2);
/* Return the values */
@@ -1427,8 +1197,9 @@ static void gnome_canvas_group_get_property (GObject *object,
static void gnome_canvas_group_destroy (GnomeCanvasItem *object);
-static void gnome_canvas_group_update (GnomeCanvasItem *item, gdouble *affine,
- ArtSVP *clip_path, gint flags);
+static void gnome_canvas_group_update (GnomeCanvasItem *item,
+ const cairo_matrix_t *matrix,
+ gint flags);
static void gnome_canvas_group_realize (GnomeCanvasItem *item);
static void gnome_canvas_group_unrealize (GnomeCanvasItem *item);
static void gnome_canvas_group_map (GnomeCanvasItem *item);
@@ -1526,27 +1297,6 @@ gnome_canvas_group_class_init (GnomeCanvasGroupClass *class)
static void
gnome_canvas_group_init (GnomeCanvasGroup *group)
{
-#if 0
- group->xpos = 0.0;
- group->ypos = 0.0;
-#endif
-}
-
-/* Translate handler for canvas groups */
-static gdouble *
-gnome_canvas_ensure_translate (GnomeCanvasItem *item)
-{
- if (item->xform == NULL) {
- item->flags &= ~GNOME_CANVAS_ITEM_AFFINE_FULL;
- item->xform = g_new (double, 2);
- item->xform[0] = 0.0;
- item->xform[1] = 0.0;
- return item->xform;
- } else if (item->flags & GNOME_CANVAS_ITEM_AFFINE_FULL) {
- return item->xform + 4;
- } else {
- return item->xform;
- }
}
/* Set_property handler for canvas groups */
@@ -1555,7 +1305,6 @@ gnome_canvas_group_set_property (GObject *gobject, guint param_id,
const GValue *value, GParamSpec *pspec)
{
GnomeCanvasItem *item;
- gdouble *xlat;
g_return_if_fail (GNOME_IS_CANVAS_GROUP (gobject));
@@ -1563,13 +1312,11 @@ gnome_canvas_group_set_property (GObject *gobject, guint param_id,
switch (param_id) {
case GROUP_PROP_X:
- xlat = gnome_canvas_ensure_translate (item);
- xlat[0] = g_value_get_double (value);
+ item->matrix.x0 = g_value_get_double (value);
break;
case GROUP_PROP_Y:
- xlat = gnome_canvas_ensure_translate (item);
- xlat[1] = g_value_get_double (value);
+ item->matrix.y0 = g_value_get_double (value);
break;
default:
@@ -1591,21 +1338,11 @@ gnome_canvas_group_get_property (GObject *gobject, guint param_id,
switch (param_id) {
case GROUP_PROP_X:
- if (item->xform == NULL)
- g_value_set_double (value, 0);
- else if (GNOME_CANVAS_ITEM (gobject)->flags & GNOME_CANVAS_ITEM_AFFINE_FULL)
- g_value_set_double (value, item->xform[4]);
- else
- g_value_set_double (value, item->xform[0]);
+ g_value_set_double (value, item->matrix.x0);
break;
case GROUP_PROP_Y:
- if (item->xform == NULL)
- g_value_set_double (value, 0);
- else if (GNOME_CANVAS_ITEM (gobject)->flags & GNOME_CANVAS_ITEM_AFFINE_FULL)
- g_value_set_double (value, item->xform[5]);
- else
- g_value_set_double (value, item->xform[1]);
+ g_value_set_double (value, item->matrix.y0);
break;
default:
@@ -1636,39 +1373,41 @@ gnome_canvas_group_destroy (GnomeCanvasItem *object)
/* Update handler for canvas groups */
static void
gnome_canvas_group_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *i2c,
gint flags)
{
GnomeCanvasGroup *group;
GList *list;
GnomeCanvasItem *i;
- ArtDRect bbox, child_bbox;
+ double x1, y1, x2, y2;
group = GNOME_CANVAS_GROUP (item);
- (* group_parent_class->update) (item, affine, clip_path, flags);
+ (* group_parent_class->update) (item, i2c, flags);
- bbox.x0 = 0;
- bbox.y0 = 0;
- bbox.x1 = 0;
- bbox.y1 = 0;
+ x1 = G_MAXDOUBLE;
+ y1 = G_MAXDOUBLE;
+ x2 = -G_MAXDOUBLE;
+ y2 = -G_MAXDOUBLE;
for (list = group->item_list; list; list = list->next) {
i = list->data;
- gnome_canvas_item_invoke_update (i, affine, clip_path, flags);
+ gnome_canvas_item_invoke_update (i, i2c, flags);
- child_bbox.x0 = i->x1;
- child_bbox.y0 = i->y1;
- child_bbox.x1 = i->x2;
- child_bbox.y1 = i->y2;
- art_drect_union (&bbox, &bbox, &child_bbox);
+ x1 = MIN (x1, i->x1);
+ x2 = MAX (x2, i->x2);
+ y1 = MIN (y1, i->y1);
+ y2 = MAX (y2, i->y2);
}
- item->x1 = bbox.x0;
- item->y1 = bbox.y0;
- item->x2 = bbox.x1;
- item->y2 = bbox.y1;
+ if (x1 >= x2 || y1 >= y2) {
+ item->x1 = item->x2 = item->y1 = item->y2 = 0;
+ } else {
+ item->x1 = x1;
+ item->y1 = y1;
+ item->x2 = x2;
+ item->y2 = y2;
+ }
}
/* Realize handler for canvas groups */
@@ -3182,17 +2921,12 @@ do_update (GnomeCanvas *canvas)
update_again:
if (canvas->need_update) {
- gdouble w2cpx[6];
+ cairo_matrix_t w2c;
- /* We start updating root with w2cpx affine */
- w2cpx[0] = canvas->pixels_per_unit;
- w2cpx[1] = 0.0;
- w2cpx[2] = 0.0;
- w2cpx[3] = canvas->pixels_per_unit;
- w2cpx[4] = -canvas->scroll_x1 * canvas->pixels_per_unit;
- w2cpx[5] = -canvas->scroll_y1 * canvas->pixels_per_unit;
+ /* We start updating root with w2c matrix */
+ gnome_canvas_w2c_matrix (canvas, &w2c);
- gnome_canvas_item_invoke_update (canvas->root, w2cpx, NULL, 0);
+ gnome_canvas_item_invoke_update (canvas->root, &w2c, 0);
canvas->need_update = FALSE;
}
diff --git a/libgnomecanvas/gnome-canvas.h b/libgnomecanvas/gnome-canvas.h
index 5f35f33..f0040ac 100644
--- a/libgnomecanvas/gnome-canvas.h
+++ b/libgnomecanvas/gnome-canvas.h
@@ -94,8 +94,7 @@ typedef enum {
GNOME_CANVAS_ITEM_NEED_UPDATE = 1 << 4,
GNOME_CANVAS_ITEM_NEED_AFFINE = 1 << 5,
GNOME_CANVAS_ITEM_NEED_CLIP = 1 << 6,
- GNOME_CANVAS_ITEM_NEED_VIS = 1 << 7,
- GNOME_CANVAS_ITEM_AFFINE_FULL = 1 << 8
+ GNOME_CANVAS_ITEM_NEED_VIS = 1 << 7
} GnomeCanvasItemFlags;
/* Update flags for items */
@@ -123,12 +122,8 @@ struct _GnomeCanvasItem {
/* Parent canvas group for this item (a GnomeCanvasGroup) */
GnomeCanvasItem *parent;
- /* If NULL, assumed to be the identity tranform. If flags does not have
- * AFFINE_FULL, then a two-element array containing a translation. If
- * flags contains AFFINE_FULL, a six-element array containing an affine
- * transformation.
- */
- gdouble *xform;
+ /* The transformation for this item */
+ cairo_matrix_t matrix;
/* Bounding box for this item (in canvas coordinates) */
gdouble x1, y1, x2, y2;
@@ -147,7 +142,7 @@ struct _GnomeCanvasItemClass {
* affine, if used, is a pointer to a 6-element array of doubles. The
* update method also recomputes the bounding box of the item.
*/
- void (* update) (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags);
+ void (* update) (GnomeCanvasItem *item, const cairo_matrix_t *i2c, gint flags);
/* Realize an item -- create GCs, etc. */
void (* realize) (GnomeCanvasItem *item);
@@ -219,10 +214,10 @@ void gnome_canvas_item_set_valist (GnomeCanvasItem *item,
void gnome_canvas_item_move (GnomeCanvasItem *item, gdouble dx, gdouble dy);
/* Apply a relative affine transformation to the item. */
-void gnome_canvas_item_affine_relative (GnomeCanvasItem *item, const gdouble affine[6]);
+void gnome_canvas_item_transform (GnomeCanvasItem *item, const cairo_matrix_t *matrix);
/* Apply an absolute affine transformation to the item. */
-void gnome_canvas_item_affine_absolute (GnomeCanvasItem *item, const gdouble affine[6]);
+void gnome_canvas_item_set_matrix (GnomeCanvasItem *item, const cairo_matrix_t *matrix);
/* Raise an item in the z-order of its parent group by the specified number of
* positions.
@@ -272,14 +267,12 @@ void gnome_canvas_item_i2w (GnomeCanvasItem *item, gdouble *x, gdouble *y);
/* Gets the affine transform that converts from item-relative coordinates to
* world coordinates.
*/
-void gnome_canvas_item_i2w_affine (GnomeCanvasItem *item, gdouble affine[6]);
void gnome_canvas_item_i2w_matrix (GnomeCanvasItem *item, cairo_matrix_t *matrix);
void gnome_canvas_item_w2i_matrix (GnomeCanvasItem *item, cairo_matrix_t *matrix);
/* Gets the affine transform that converts from item-relative coordinates to
* canvas pixel coordinates.
*/
-void gnome_canvas_item_i2c_affine (GnomeCanvasItem *item, gdouble affine[6]);
void gnome_canvas_item_i2c_matrix (GnomeCanvasItem *item, cairo_matrix_t *matrix);
/* Remove the item from its parent group and make the new group its parent. The
diff --git a/widgets/misc/e-calendar-item.c b/widgets/misc/e-calendar-item.c
index 5ca1143..40d2c2d 100644
--- a/widgets/misc/e-calendar-item.c
+++ b/widgets/misc/e-calendar-item.c
@@ -62,8 +62,7 @@ static void e_calendar_item_realize (GnomeCanvasItem *item);
static void e_calendar_item_unrealize (GnomeCanvasItem *item);
static void e_calendar_item_unmap (GnomeCanvasItem *item);
static void e_calendar_item_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *i2c,
gint flags);
static void e_calendar_item_draw (GnomeCanvasItem *item,
GdkDrawable *drawable,
@@ -891,8 +890,7 @@ e_calendar_item_unmap (GnomeCanvasItem *item)
static void
e_calendar_item_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *i2c,
gint flags)
{
GnomeCanvasItemClass *item_class;
@@ -906,7 +904,7 @@ e_calendar_item_update (GnomeCanvasItem *item,
item_class = GNOME_CANVAS_ITEM_CLASS (e_calendar_item_parent_class);
if (item_class->update != NULL)
- item_class->update (item, affine, clip_path, flags);
+ item_class->update (item, i2c, flags);
calitem = E_CALENDAR_ITEM (item);
style = gtk_widget_get_style (GTK_WIDGET (item->canvas));
diff --git a/widgets/misc/e-canvas-utils.c b/widgets/misc/e-canvas-utils.c
index 29dc21d..8189dc1 100644
--- a/widgets/misc/e-canvas-utils.c
+++ b/widgets/misc/e-canvas-utils.c
@@ -26,14 +26,13 @@
void
e_canvas_item_move_absolute (GnomeCanvasItem *item, gdouble dx, gdouble dy)
{
- gdouble translate[6];
+ cairo_matrix_t translate;
- g_return_if_fail (item != NULL);
g_return_if_fail (GNOME_IS_CANVAS_ITEM (item));
- art_affine_translate (translate, dx, dy);
+ cairo_matrix_init_translate (&translate, dx, dy);
- gnome_canvas_item_affine_absolute (item, translate);
+ gnome_canvas_item_set_matrix (item, &translate);
}
static double
diff --git a/widgets/misc/e-canvas.c b/widgets/misc/e-canvas.c
index 0b24b84..21a7796 100644
--- a/widgets/misc/e-canvas.c
+++ b/widgets/misc/e-canvas.c
@@ -165,8 +165,6 @@ canvas_emit_event (GnomeCanvas *canvas,
* should be in the parent's item-relative coordinate system. This routine
* applies the inverse of the item's transform, maintaining the affine
* invariant. */
-#define HACKISH_AFFINE
-
static GnomeCanvasItem *
gnome_canvas_item_invoke_point (GnomeCanvasItem *item,
gdouble x,
@@ -174,25 +172,19 @@ gnome_canvas_item_invoke_point (GnomeCanvasItem *item,
gint cx,
gint cy)
{
-#ifdef HACKISH_AFFINE
- gdouble i2w[6], w2c[6], i2c[6], c2i[6];
- ArtPoint c, i;
-#endif
+ cairo_matrix_t inverse;
-#ifdef HACKISH_AFFINE
- gnome_canvas_item_i2w_affine (item, i2w);
- gnome_canvas_w2c_affine (item->canvas, w2c);
- art_affine_multiply (i2c, i2w, w2c);
- art_affine_invert (c2i, i2c);
- c.x = cx;
- c.y = cy;
- art_affine_point (&i, &c, c2i);
- x = i.x;
- y = i.y;
-#endif
+ /* Calculate x & y in item local coordinates */
+ inverse = item->matrix;
+ if (cairo_matrix_invert (&inverse) != CAIRO_STATUS_SUCCESS)
+ return NULL;
+
+ cairo_matrix_transform_point (&inverse, &x, &y);
+
+ if (GNOME_CANVAS_ITEM_GET_CLASS (item)->point)
+ return GNOME_CANVAS_ITEM_GET_CLASS (item)->point (item, x, y, cx, cy);
- return (* GNOME_CANVAS_ITEM_CLASS (G_OBJECT_GET_CLASS (item))->point) (
- item, x, y, cx, cy);
+ return NULL;
}
/* Re-picks the current item in the canvas, based on the event's coordinates.
diff --git a/widgets/table/e-table-field-chooser-item.c b/widgets/table/e-table-field-chooser-item.c
index 3c28434..fb8f2ba 100644
--- a/widgets/table/e-table-field-chooser-item.c
+++ b/widgets/table/e-table-field-chooser-item.c
@@ -176,38 +176,34 @@ etfci_reflow (GnomeCanvasItem *item, gint flags)
static void
etfci_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *i2c,
gint flags)
{
ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item);
- gdouble i2c[6];
- ArtPoint c1, c2, i1, i2;
+ double x1, y1, x2, y2;
if (GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)->update)
GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)->update (
- item, affine, clip_path, flags);
+ item, i2c, flags);
- i1.x = i1.y = 0;
- i2.x = etfci->width;
- i2.y = etfci->height;
+ x1 = y1 = 0;
+ x2 = etfci->width;
+ y2 = etfci->height;
- gnome_canvas_item_i2c_affine (item, i2c);
- art_affine_point (&c1, &i1, i2c);
- art_affine_point (&c2, &i2, i2c);
+ gnome_canvas_matrix_transform_rect (i2c, &x1, &y1, &x2, &y2);
- if (item->x1 != c1.x ||
- item->y1 != c1.y ||
- item->x2 != c2.x ||
- item->y2 != c2.y)
+ if (item->x1 != x1 ||
+ item->y1 != y1 ||
+ item->x2 != x2 ||
+ item->y2 != y2)
{
gnome_canvas_request_redraw (
item->canvas, item->x1,
item->y1, item->x2, item->y2);
- item->x1 = c1.x;
- item->y1 = c1.y;
- item->x2 = c2.x;
- item->y2 = c2.y;
+ item->x1 = x1;
+ item->y1 = y1;
+ item->x2 = x2;
+ item->y2 = y2;
/* FIXME: Group Child bounds !? */
#if 0
gnome_canvas_group_child_bounds (
diff --git a/widgets/table/e-table-header-item.c b/widgets/table/e-table-header-item.c
index cf4cc94..e1c6c57 100644
--- a/widgets/table/e-table-header-item.c
+++ b/widgets/table/e-table-header-item.c
@@ -184,18 +184,15 @@ e_table_header_item_get_height (ETableHeaderItem *ethi)
static void
ethi_update (GnomeCanvasItem *item,
- gdouble *affine,
- ArtSVP *clip_path,
+ const cairo_matrix_t *i2c,
gint flags)
{
ETableHeaderItem *ethi = E_TABLE_HEADER_ITEM (item);
-
- gdouble i2c[6];
- ArtPoint c1, c2, i1, i2;
+ double x1, y1, x2, y2;
if (GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->update)
GNOME_CANVAS_ITEM_CLASS (ethi_parent_class)->update (
- item, affine, clip_path, flags);
+ item, i2c, flags);
if (ethi->sort_info)
ethi->group_indent_width =
@@ -208,27 +205,25 @@ ethi_update (GnomeCanvasItem *item,
e_table_header_total_width (ethi->eth) +
ethi->group_indent_width;
- i1.x = i1.y = 0;
- i2.x = ethi->width;
- i2.y = ethi->height;
+ x1 = y1 = 0;
+ x2 = ethi->width;
+ y2 = ethi->height;
- gnome_canvas_item_i2c_affine (item, i2c);
- art_affine_point (&c1, &i1, i2c);
- art_affine_point (&c2, &i2, i2c);
+ gnome_canvas_matrix_transform_rect (i2c, &x1, &y1, &x2, &y2);
- if (item->x1 != c1.x ||
- item->y1 != c1.y ||
- item->x2 != c2.x ||
- item->y2 != c2.y)
+ if (item->x1 != x1 ||
+ item->y1 != y1 ||
+ item->x2 != x2 ||
+ item->y2 != y2)
{
gnome_canvas_request_redraw (
item->canvas,
item->x1, item->y1,
item->x2, item->y2);
- item->x1 = c1.x;
- item->y1 = c1.y;
- item->x2 = c2.x;
- item->y2 = c2.y;
+ item->x1 = x1;
+ item->y1 = y1;
+ item->x2 = x2;
+ item->y2 = y2;
/* FIXME: Group Child bounds !? (FOO BAA) */
#if 0
gnome_canvas_group_child_bounds (GNOME_CANVAS_GROUP (item->parent), item);
diff --git a/widgets/table/e-table-item.c b/widgets/table/e-table-item.c
index b6dc6ad..d2f5c4f 100644
--- a/widgets/table/e-table-item.c
+++ b/widgets/table/e-table-item.c
@@ -435,25 +435,18 @@ eti_detach_cell_views (ETableItem *eti)
static void
eti_bounds (GnomeCanvasItem *item, gdouble *x1, gdouble *y1, gdouble *x2, gdouble *y2)
{
- gdouble i2c[6];
- ArtPoint c1, c2, i1, i2;
+ cairo_matrix_t i2c;
ETableItem *eti = E_TABLE_ITEM (item);
/* Wrong BBox's are the source of redraw nightmares */
- gnome_canvas_item_i2c_affine (GNOME_CANVAS_ITEM (eti), i2c);
-
- i1.x = 0;
- i1.y = 0;
- i2.x = eti->width;
- i2.y = eti->height;
- art_affine_point (&c1, &i1, i2c);
- art_affine_point (&c2, &i2, i2c);
+ *x1 = 0;
+ *y1 = 0;
+ *x2 = eti->width;
+ *y2 = eti->height;
- *x1 = c1.x;
- *y1 = c1.y;
- *x2 = c2.x + 1;
- *y2 = c2.y + 1;
+ gnome_canvas_item_i2c_matrix (GNOME_CANVAS_ITEM (eti), &i2c);
+ gnome_canvas_matrix_transform_rect (&i2c, x1, y1, x2, y2);
}
static void
@@ -488,25 +481,25 @@ eti_reflow (GnomeCanvasItem *item, gint flags)
* GnomeCanvasItem::update method
*/
static void
-eti_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags)
+eti_update (GnomeCanvasItem *item, const cairo_matrix_t *i2c, gint flags)
{
- ArtPoint o1, o2;
ETableItem *eti = E_TABLE_ITEM (item);
+ double x1, x2, y1, y2;
if (GNOME_CANVAS_ITEM_CLASS (eti_parent_class)->update)
- (*GNOME_CANVAS_ITEM_CLASS (eti_parent_class)->update)(item, affine, clip_path, flags);
+ (*GNOME_CANVAS_ITEM_CLASS (eti_parent_class)->update)(item, i2c, flags);
- o1.x = item->x1;
- o1.y = item->y1;
- o2.x = item->x2;
- o2.y = item->y2;
+ x1 = item->x1;
+ y1 = item->y1;
+ x2 = item->x2;
+ y2 = item->y2;
eti_bounds (item, &item->x1, &item->y1, &item->x2, &item->y2);
- if (item->x1 != o1.x ||
- item->y1 != o1.y ||
- item->x2 != o2.x ||
- item->y2 != o2.y) {
- gnome_canvas_request_redraw (item->canvas, o1.x, o1.y, o2.x, o2.y);
+ if (item->x1 != x1 ||
+ item->y1 != y1 ||
+ item->x2 != x1 ||
+ item->y2 != y1) {
+ gnome_canvas_request_redraw (item->canvas, x2, y2, x2, y2);
eti->needs_redraw = 1;
}
@@ -799,18 +792,18 @@ static void
eti_item_region_redraw (ETableItem *eti, gint x0, gint y0, gint x1, gint y1)
{
GnomeCanvasItem *item = GNOME_CANVAS_ITEM (eti);
- ArtDRect rect;
- gdouble i2c[6];
+ double dx1, dy1, dx2, dy2;
+ cairo_matrix_t i2c;
- rect.x0 = x0;
- rect.y0 = y0;
- rect.x1 = x1;
- rect.y1 = y1;
+ dx1 = x0;
+ dy1 = y0;
+ dx2 = x1;
+ dy2 = y1;
- gnome_canvas_item_i2c_affine (item, i2c);
- art_drect_affine_transform (&rect, &rect, i2c);
+ gnome_canvas_item_i2c_matrix (item, &i2c);
+ gnome_canvas_matrix_transform_rect (&i2c, &dx1, &dy1, &dx2, &dy2);
- gnome_canvas_request_redraw (item->canvas, rect.x0, rect.y0, rect.x1, rect.y1);
+ gnome_canvas_request_redraw (item->canvas, floor (dx1), floor (dy1), ceil (dx2), ceil (dy2));
}
/*
diff --git a/widgets/text/e-reflow.c b/widgets/text/e-reflow.c
index df45984..9ccbd86 100644
--- a/widgets/text/e-reflow.c
+++ b/widgets/text/e-reflow.c
@@ -42,7 +42,7 @@ static void e_reflow_realize (GnomeCanvasItem *item);
static void e_reflow_unrealize (GnomeCanvasItem *item);
static void e_reflow_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
gint x, gint y, gint width, gint height);
-static void e_reflow_update (GnomeCanvasItem *item, gdouble affine[6], ArtSVP *clip_path, gint flags);
+static void e_reflow_update (GnomeCanvasItem *item, const cairo_matrix_t *i2c, gint flags);
static GnomeCanvasItem *e_reflow_point (GnomeCanvasItem *item, gdouble x, gdouble y, gint cx, gint cy);
static void e_reflow_reflow (GnomeCanvasItem *item, gint flags);
static void set_empty (EReflow *reflow);
@@ -1252,7 +1252,7 @@ static void e_reflow_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
}
static void
-e_reflow_update (GnomeCanvasItem *item, gdouble affine[6], ArtSVP *clip_path, gint flags)
+e_reflow_update (GnomeCanvasItem *item, const cairo_matrix_t *i2c, gint flags)
{
EReflow *reflow;
gdouble x0, x1, y0, y1;
@@ -1260,7 +1260,7 @@ e_reflow_update (GnomeCanvasItem *item, gdouble affine[6], ArtSVP *clip_path, gi
reflow = E_REFLOW (item);
if (GNOME_CANVAS_ITEM_CLASS (e_reflow_parent_class)->update)
- GNOME_CANVAS_ITEM_CLASS (e_reflow_parent_class)->update (item, affine, clip_path, flags);
+ GNOME_CANVAS_ITEM_CLASS (e_reflow_parent_class)->update (item, i2c, flags);
x0 = item->x1;
y0 = item->y1;
diff --git a/widgets/text/e-text.c b/widgets/text/e-text.c
index d0b18f2..9736558 100644
--- a/widgets/text/e-text.c
+++ b/widgets/text/e-text.c
@@ -1185,7 +1185,7 @@ e_text_reflow (GnomeCanvasItem *item, gint flags)
/* Update handler for the text item */
static void
-e_text_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags)
+e_text_update (GnomeCanvasItem *item, const cairo_matrix_t *i2c, gint flags)
{
EText *text;
gdouble x1, y1, x2, y2;
@@ -1194,7 +1194,7 @@ e_text_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint f
if (GNOME_CANVAS_ITEM_CLASS (e_text_parent_class)->update)
GNOME_CANVAS_ITEM_CLASS (e_text_parent_class)->update (
- item, affine, clip_path, flags);
+ item, i2c, flags);
if ( text->needs_recalc_bounds
|| (flags & GNOME_CANVAS_UPDATE_AFFINE)) {
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