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app: in GimpRotateTool, improve fuzzy comparisons

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Ell 2019-02-05 04:38:00 -05:00
parent 0714510802
commit b002f20412
1 changed files with 10 additions and 9 deletions
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19
app/tools/gimprotatetool.c
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@ -204,7 +204,7 @@ gimp_rotate_tool_matrix_to_info (GimpTransformGridTool *tg_tool,
q = 2.0 * (1.0 - transform->coeff[0][0]);
if (q > EPSILON)
if (fabs (q) > EPSILON)
{
tg_tool->trans_info[PIVOT_X] = ((1.0 - c) * x - s * y) / q;
tg_tool->trans_info[PIVOT_Y] = (s * x + (1.0 - c) * y) / q;
@ -228,10 +228,15 @@ gimp_rotate_tool_matrix_to_info (GimpTransformGridTool *tg_tool,
static gchar *
gimp_rotate_tool_get_undo_desc (GimpTransformGridTool *tg_tool)
{
GimpTransformTool *tr_tool = GIMP_TRANSFORM_TOOL (tg_tool);
GimpTransformTool *tr_tool = GIMP_TRANSFORM_TOOL (tg_tool);
gdouble center_x;
gdouble center_y;
if (tg_tool->trans_info[PIVOT_X] == (tr_tool->x1 + tr_tool->x2) / 2.0 &&
tg_tool->trans_info[PIVOT_Y] == (tr_tool->y1 + tr_tool->y2) / 2.0)
center_x = (tr_tool->x1 + tr_tool->x2) / 2.0;
center_y = (tr_tool->y1 + tr_tool->y2) / 2.0;
if (fabs (tg_tool->trans_info[PIVOT_X] - center_x) <= EPSILON &&
fabs (tg_tool->trans_info[PIVOT_Y] - center_y) <= EPSILON)
{
return g_strdup_printf (C_("undo-type",
"Rotate by %-3.3g°"),
@ -431,9 +436,7 @@ rotate_angle_changed (GtkAdjustment *adj,
{
gdouble value = gimp_deg_to_rad (gtk_adjustment_get_value (adj));
#define ANGLE_EPSILON 0.0001
if (ABS (value - tg_tool->trans_info[ANGLE]) > ANGLE_EPSILON)
if (fabs (value - tg_tool->trans_info[ANGLE]) > EPSILON)
{
GimpTool *tool = GIMP_TOOL (tg_tool);
GimpTransformTool *tr_tool = GIMP_TRANSFORM_TOOL (tg_tool);
@ -444,8 +447,6 @@ rotate_angle_changed (GtkAdjustment *adj,
gimp_transform_tool_recalc_matrix (tr_tool, tool->display);
}
#undef ANGLE_EPSILON
}
static void