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csstransforms: Parse 3D rotations

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This commit is contained in:
Benjamin Otte 2016-11-18 20:21:06 +01:00
parent d52fcd914c
commit ef6d95879f
1 changed files with 103 additions and 14 deletions
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117
gtk/gtkcsstransformvalue.c
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@ -51,7 +51,10 @@ union _GtkCssTransform {
} translate, scale, skew;
struct {
GtkCssTransformType type;
GtkCssValue *rotate;
GtkCssValue *x;
GtkCssValue *y;
GtkCssValue *z;
GtkCssValue *angle;
} rotate;
struct {
GtkCssTransformType type;
@ -80,7 +83,10 @@ gtk_css_transform_clear (GtkCssTransform *transform)
_gtk_css_value_unref (transform->translate.y);
break;
case GTK_CSS_TRANSFORM_ROTATE:
_gtk_css_value_unref (transform->rotate.rotate);
_gtk_css_value_unref (transform->rotate.x);
_gtk_css_value_unref (transform->rotate.y);
_gtk_css_value_unref (transform->rotate.z);
_gtk_css_value_unref (transform->rotate.angle);
break;
case GTK_CSS_TRANSFORM_SCALE:
_gtk_css_value_unref (transform->scale.x);
@ -117,7 +123,10 @@ gtk_css_transform_init_identity (GtkCssTransform *transform,
transform->translate.y = _gtk_css_number_value_new (0, GTK_CSS_PX);
break;
case GTK_CSS_TRANSFORM_ROTATE:
transform->rotate.rotate = _gtk_css_number_value_new (0, GTK_CSS_DEG);
transform->rotate.x = _gtk_css_number_value_new (0, GTK_CSS_NUMBER);
transform->rotate.y = _gtk_css_number_value_new (0, GTK_CSS_NUMBER);
transform->rotate.z = _gtk_css_number_value_new (0, GTK_CSS_NUMBER);
transform->rotate.angle = _gtk_css_number_value_new (0, GTK_CSS_DEG);
break;
case GTK_CSS_TRANSFORM_SCALE:
transform->scale.x = _gtk_css_number_value_new (1, GTK_CSS_NUMBER);
@ -161,8 +170,17 @@ gtk_css_transform_apply (const GtkCssTransform *transform,
0));
break;
case GTK_CSS_TRANSFORM_ROTATE:
graphene_matrix_rotate_z (matrix,
_gtk_css_number_value_get (transform->rotate.rotate, 100));
{
graphene_vec3_t vec;
graphene_vec3_init (&vec,
_gtk_css_number_value_get (transform->rotate.x, 1),
_gtk_css_number_value_get (transform->rotate.y, 1),
_gtk_css_number_value_get (transform->rotate.z, 1));
graphene_matrix_rotate (matrix,
_gtk_css_number_value_get (transform->rotate.angle, 100),
&vec);
}
break;
case GTK_CSS_TRANSFORM_SCALE:
graphene_matrix_scale (matrix,
@ -247,8 +265,14 @@ gtk_css_transform_compute (GtkCssTransform *dest,
return dest->translate.x == src->translate.x
&& dest->translate.y == src->translate.y;
case GTK_CSS_TRANSFORM_ROTATE:
dest->rotate.rotate = _gtk_css_value_compute (src->rotate.rotate, property_id, provider, style, parent_style);
return dest->rotate.rotate == src->rotate.rotate;
dest->rotate.x = _gtk_css_value_compute (src->rotate.x, property_id, provider, style, parent_style);
dest->rotate.y = _gtk_css_value_compute (src->rotate.y, property_id, provider, style, parent_style);
dest->rotate.z = _gtk_css_value_compute (src->rotate.z, property_id, provider, style, parent_style);
dest->rotate.angle = _gtk_css_value_compute (src->rotate.angle, property_id, provider, style, parent_style);
return dest->rotate.x == src->rotate.x
&& dest->rotate.y == src->rotate.y
&& dest->rotate.z == src->rotate.z
&& dest->rotate.angle == src->rotate.angle;
case GTK_CSS_TRANSFORM_SCALE:
dest->scale.x = _gtk_css_value_compute (src->scale.x, property_id, provider, style, parent_style);
dest->scale.y = _gtk_css_value_compute (src->scale.y, property_id, provider, style, parent_style);
@ -335,7 +359,10 @@ gtk_css_transform_equal (const GtkCssTransform *transform1,
return _gtk_css_value_equal (transform1->translate.x, transform2->translate.x)
&& _gtk_css_value_equal (transform1->translate.y, transform2->translate.y);
case GTK_CSS_TRANSFORM_ROTATE:
return _gtk_css_value_equal (transform1->rotate.rotate, transform2->rotate.rotate);
return _gtk_css_value_equal (transform1->rotate.x, transform2->rotate.x)
&& _gtk_css_value_equal (transform1->rotate.y, transform2->rotate.y)
&& _gtk_css_value_equal (transform1->rotate.z, transform2->rotate.z)
&& _gtk_css_value_equal (transform1->rotate.angle, transform2->rotate.angle);
case GTK_CSS_TRANSFORM_SCALE:
return _gtk_css_value_equal (transform1->scale.x, transform2->scale.x)
&& _gtk_css_value_equal (transform1->scale.y, transform2->scale.y);
@ -409,7 +436,10 @@ gtk_css_transform_transition (GtkCssTransform *result,
result->translate.y = _gtk_css_value_transition (start->translate.y, end->translate.y, property_id, progress);
break;
case GTK_CSS_TRANSFORM_ROTATE:
result->rotate.rotate = _gtk_css_value_transition (start->rotate.rotate, end->rotate.rotate, property_id, progress);
result->rotate.x = _gtk_css_value_transition (start->rotate.x, end->rotate.x, property_id, progress);
result->rotate.y = _gtk_css_value_transition (start->rotate.y, end->rotate.y, property_id, progress);
result->rotate.z = _gtk_css_value_transition (start->rotate.z, end->rotate.z, property_id, progress);
result->rotate.angle = _gtk_css_value_transition (start->rotate.angle, end->rotate.angle, property_id, progress);
break;
case GTK_CSS_TRANSFORM_SCALE:
result->scale.x = _gtk_css_value_transition (start->scale.x, end->scale.x, property_id, progress);
@ -557,8 +587,14 @@ gtk_css_transform_print (const GtkCssTransform *transform,
g_string_append (string, ")");
break;
case GTK_CSS_TRANSFORM_ROTATE:
g_string_append (string, "rotate(");
_gtk_css_value_print (transform->rotate.rotate, string);
g_string_append (string, "rotate3d(");
_gtk_css_value_print (transform->rotate.x, string);
g_string_append (string, ", ");
_gtk_css_value_print (transform->rotate.y, string);
g_string_append (string, ", ");
_gtk_css_value_print (transform->rotate.z, string);
g_string_append (string, ", ");
_gtk_css_value_print (transform->rotate.angle, string);
g_string_append (string, ")");
break;
case GTK_CSS_TRANSFORM_SCALE:
@ -763,13 +799,65 @@ gtk_css_transform_parse (GtkCssTransform *transform,
transform->scale.x = _gtk_css_number_value_new (1, GTK_CSS_NUMBER);
}
else if (_gtk_css_parser_try (parser, "rotate(", TRUE))
else if (_gtk_css_parser_try (parser, "rotate(", TRUE) ||
_gtk_css_parser_try (parser, "rotateZ(", TRUE))
{
transform->type = GTK_CSS_TRANSFORM_ROTATE;
transform->rotate.rotate = _gtk_css_number_value_parse (parser, GTK_CSS_PARSE_ANGLE);
if (transform->rotate.rotate == NULL)
transform->rotate.angle = _gtk_css_number_value_parse (parser, GTK_CSS_PARSE_ANGLE);
if (transform->rotate.angle == NULL)
return FALSE;
transform->rotate.x = _gtk_css_number_value_new (0, GTK_CSS_NUMBER);
transform->rotate.y = _gtk_css_number_value_new (0, GTK_CSS_NUMBER);
transform->rotate.z = _gtk_css_number_value_new (1, GTK_CSS_NUMBER);
}
else if (_gtk_css_parser_try (parser, "rotateX(", TRUE))
{
transform->type = GTK_CSS_TRANSFORM_ROTATE;
transform->rotate.angle = _gtk_css_number_value_parse (parser, GTK_CSS_PARSE_ANGLE);
if (transform->rotate.angle == NULL)
return FALSE;
transform->rotate.x = _gtk_css_number_value_new (1, GTK_CSS_NUMBER);
transform->rotate.y = _gtk_css_number_value_new (0, GTK_CSS_NUMBER);
transform->rotate.z = _gtk_css_number_value_new (0, GTK_CSS_NUMBER);
}
else if (_gtk_css_parser_try (parser, "rotateY(", TRUE))
{
transform->type = GTK_CSS_TRANSFORM_ROTATE;
transform->rotate.angle = _gtk_css_number_value_parse (parser, GTK_CSS_PARSE_ANGLE);
if (transform->rotate.angle == NULL)
return FALSE;
transform->rotate.x = _gtk_css_number_value_new (0, GTK_CSS_NUMBER);
transform->rotate.y = _gtk_css_number_value_new (1, GTK_CSS_NUMBER);
transform->rotate.z = _gtk_css_number_value_new (0, GTK_CSS_NUMBER);
}
else if (_gtk_css_parser_try (parser, "rotate3d(", TRUE))
{
transform->type = GTK_CSS_TRANSFORM_ROTATE;
transform->rotate.x = _gtk_css_number_value_parse (parser, GTK_CSS_PARSE_NUMBER);
if (transform->rotate.x != NULL)
{
transform->rotate.y = _gtk_css_number_value_parse (parser, GTK_CSS_PARSE_NUMBER);
if (transform->rotate.y != NULL)
{
transform->rotate.z = _gtk_css_number_value_parse (parser, GTK_CSS_PARSE_NUMBER);
if (transform->rotate.z != NULL)
{
transform->rotate.angle = _gtk_css_number_value_parse (parser, GTK_CSS_PARSE_ANGLE);
if (transform->rotate.angle != NULL)
goto out;
_gtk_css_value_unref (transform->rotate.angle);
}
_gtk_css_value_unref (transform->rotate.z);
}
_gtk_css_value_unref (transform->rotate.y);
}
_gtk_css_value_unref (transform->rotate.x);
return FALSE;
}
else if (_gtk_css_parser_try (parser, "skew(", TRUE))
{
@ -815,6 +903,7 @@ gtk_css_transform_parse (GtkCssTransform *transform,
return FALSE;
}
out:
if (!_gtk_css_parser_try (parser, ")", TRUE))
{
gtk_css_transform_clear (transform);