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csstransform: Handle matrix3d()

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This commit is contained in:
Benjamin Otte 2016-11-18 21:43:18 +01:00
parent ff4b8512be
commit dbfc1d72fc
1 changed files with 62 additions and 19 deletions
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81
gtk/gtkcsstransformvalue.c
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@ -577,25 +577,42 @@ gtk_css_transform_print (const GtkCssTransform *transform,
switch (transform->type)
{
case GTK_CSS_TRANSFORM_MATRIX:
g_string_append (string, "matrix(");
g_ascii_dtostr (buf, sizeof (buf), graphene_matrix_get_value (&transform->matrix.matrix, 0, 0));
g_string_append (string, buf);
g_string_append (string, ", ");
g_ascii_dtostr (buf, sizeof (buf), graphene_matrix_get_value (&transform->matrix.matrix, 0, 1));
g_string_append (string, buf);
g_string_append (string, ", ");
g_ascii_dtostr (buf, sizeof (buf), graphene_matrix_get_value (&transform->matrix.matrix, 0, 2));
g_string_append (string, buf);
g_string_append (string, ", ");
g_ascii_dtostr (buf, sizeof (buf), graphene_matrix_get_value (&transform->matrix.matrix, 1, 0));
g_string_append (string, buf);
g_string_append (string, ", ");
g_ascii_dtostr (buf, sizeof (buf), graphene_matrix_get_value (&transform->matrix.matrix, 1, 1));
g_string_append (string, buf);
g_string_append (string, ", ");
g_ascii_dtostr (buf, sizeof (buf), graphene_matrix_get_value (&transform->matrix.matrix, 1, 2));
g_string_append (string, buf);
g_string_append (string, ")");
if (graphene_matrix_is_2d (&transform->matrix.matrix))
{
g_string_append (string, "matrix(");
g_ascii_dtostr (buf, sizeof (buf), graphene_matrix_get_value (&transform->matrix.matrix, 0, 0));
g_string_append (string, buf);
g_string_append (string, ", ");
g_ascii_dtostr (buf, sizeof (buf), graphene_matrix_get_value (&transform->matrix.matrix, 0, 1));
g_string_append (string, buf);
g_string_append (string, ", ");
g_ascii_dtostr (buf, sizeof (buf), graphene_matrix_get_value (&transform->matrix.matrix, 0, 2));
g_string_append (string, buf);
g_string_append (string, ", ");
g_ascii_dtostr (buf, sizeof (buf), graphene_matrix_get_value (&transform->matrix.matrix, 1, 0));
g_string_append (string, buf);
g_string_append (string, ", ");
g_ascii_dtostr (buf, sizeof (buf), graphene_matrix_get_value (&transform->matrix.matrix, 1, 1));
g_string_append (string, buf);
g_string_append (string, ", ");
g_ascii_dtostr (buf, sizeof (buf), graphene_matrix_get_value (&transform->matrix.matrix, 1, 2));
g_string_append (string, buf);
g_string_append (string, ")");
}
else
{
guint i;
g_string_append (string, "matrix3d(");
for (i = 0; i < 16; i++)
{
g_ascii_dtostr (buf, sizeof (buf), graphene_matrix_get_value (&transform->matrix.matrix, i / 4, i % 4));
g_string_append (string, buf);
if (i < 15)
g_string_append (string, ", ");
}
g_string_append (string, ")");
}
break;
case GTK_CSS_TRANSFORM_TRANSLATE:
g_string_append (string, "translate3d(");
@ -748,6 +765,32 @@ gtk_css_transform_parse (GtkCssTransform *transform,
graphene_matrix_init_from_2d (&transform->matrix.matrix,
xx, yx, xy, yy, x0, y0);
}
else if (_gtk_css_parser_try (parser, "matrix3d(", TRUE))
{
float f[16];
double d;
guint i;
transform->type = GTK_CSS_TRANSFORM_MATRIX;
for (i = 0; i < 16; i++)
{
if (!_gtk_css_parser_try_double (parser, &d))
break;
f[i] = d;
if (i < 15 && !_gtk_css_parser_try (parser, ",", TRUE))
break;
}
if (i < 16)
{
/* FIXME: Improve error handling here */
_gtk_css_parser_error (parser, "invalid syntax for matrix3d()");
return FALSE;
}
graphene_matrix_init_from_float (&transform->matrix.matrix, f);
}
else if (_gtk_css_parser_try (parser, "translate(", TRUE))
{
transform->type = GTK_CSS_TRANSFORM_TRANSLATE;