Hello,
I sent attached to this letter a patch to view-helper's
model_rect_to_view_rect() function that computes the position of view
rectangle correctly--instead of subtracting the rectangle's coordinate
from the scaled position, it subtracts the widget's position.
With this patch, gegl-gtk-paint works better.
Regards,
Jordi
>From 3607b30dacc6582a30b356708fd837d64c0fb0c1 Mon Sep 17 00:00:00 2001
From: Jordi Fita <jf...@geishastudios.com>
Date: Sun, 6 May 2012 13:28:54 +0200
Subject: [PATCH] Fixed rect pos in model_rect_to_view_rect
---
gegl-gtk/internal/view-helper.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/gegl-gtk/internal/view-helper.c b/gegl-gtk/internal/view-helper.c
index 44182bc..a770418 100644
--- a/gegl-gtk/internal/view-helper.c
+++ b/gegl-gtk/internal/view-helper.c
@@ -106,8 +106,8 @@ model_rect_to_view_rect(ViewHelper *self, GeglRectangle
*rect)
{
GeglRectangle temp;
- temp.x = self->scale * (rect->x) - rect->x;
- temp.y = self->scale * (rect->y) - rect->y;
+ temp.x = self->scale * (rect->x) - self->x;
+ temp.y = self->scale * (rect->y) - self->y;
temp.width = ceil(self->scale * rect->width);
temp.height = ceil(self->scale * rect->height);
--
1.7.3.4
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