static JSBool
selectFontFace_func(JSContext *context,
unsigned argc,
jsval *vp)
{
JS::CallArgs argv = JS::CallArgsFromVp (argc, vp);
JSObject *obj = JSVAL_TO_OBJECT(argv.thisv());
char *family;
cairo_font_slant_t slant;
cairo_font_weight_t weight;
cairo_t *cr;
if (!gjs_parse_call_args(context, "selectFontFace", "sii", argv,
"family", &family,
"slang", &slant,
"weight", &weight))
return JS_FALSE;
cr = gjs_cairo_context_get_context(context, obj);
cairo_select_font_face(cr, family, slant, weight);
g_free(family);
if (!gjs_cairo_check_status(context, cairo_status(cr), "context"))
return JS_FALSE;
argv.rval().set(JSVAL_VOID);
return JS_TRUE;
}
static JSBool
from_gbytes_func(JSContext *context,
unsigned argc,
jsval *vp)
{
JS::CallArgs argv = JS::CallArgsFromVp (argc, vp);
JSObject *bytes_obj;
GBytes *gbytes;
ByteArrayInstance *priv;
JSObject *obj;
JSBool ret = JS_FALSE;
if (!gjs_parse_call_args(context, "overrides_gbytes_to_array", "o", argv,
"bytes", &bytes_obj))
return JS_FALSE;
if (!gjs_typecheck_boxed(context, bytes_obj, NULL, G_TYPE_BYTES, TRUE))
return JS_FALSE;
gbytes = (GBytes*) gjs_c_struct_from_boxed(context, bytes_obj);
obj = byte_array_new(context);
if (obj == NULL)
return JS_FALSE;
priv = priv_from_js(context, obj);
g_assert (priv != NULL);
priv->bytes = g_bytes_ref(gbytes);
ret = JS_TRUE;
argv.rval().set(OBJECT_TO_JSVAL(obj));
return ret;
}
static JSBool
setSource_func(JSContext *context,
unsigned argc,
jsval *vp)
{
JS::CallArgs argv = JS::CallArgsFromVp (argc, vp);
JSObject *obj = JSVAL_TO_OBJECT(argv.thisv());
JSObject *pattern_wrapper;
cairo_pattern_t *pattern;
cairo_t *cr;
if (!gjs_parse_call_args(context, "setSource", "o", argv,
"pattern", &pattern_wrapper))
return JS_FALSE;
pattern = gjs_cairo_pattern_get_pattern(context, pattern_wrapper);
if (!pattern) {
gjs_throw(context, "first argument to setSource() should be a pattern");
return JS_FALSE;
}
cr = gjs_cairo_context_get_context(context, obj);
cairo_set_source(cr, pattern);
if (!gjs_cairo_check_status(context, cairo_status(cr), "context"))
return JS_FALSE;
argv.rval().set(JSVAL_VOID);
return JS_TRUE;
}
static JSBool
showText_func(JSContext *context,
unsigned argc,
jsval *vp)
{
JS::CallArgs argv = JS::CallArgsFromVp (argc, vp);
JSObject *obj = JSVAL_TO_OBJECT(argv.thisv());
char *utf8;
cairo_t *cr;
if (!gjs_parse_call_args(context, "showText", "s", argv,
"utf8", &utf8))
return JS_FALSE;
cr = gjs_cairo_context_get_context(context, obj);
cairo_show_text(cr, utf8);
g_free(utf8);
if (!gjs_cairo_check_status(context, cairo_status(cr), "context"))
return JS_FALSE;
argv.rval().set(JSVAL_VOID);
return JS_TRUE;
}
static JSBool
maskSurface_func(JSContext *context,
unsigned argc,
jsval *vp)
{
JS::CallArgs argv = JS::CallArgsFromVp (argc, vp);
JSObject *obj = JSVAL_TO_OBJECT(argv.thisv());
JSObject *surface_wrapper;
double x, y;
cairo_surface_t *surface;
cairo_t *cr;
if (!gjs_parse_call_args(context, "maskSurface", "off", argv,
"surface", &surface_wrapper,
"x", &x,
"y", &y))
return JS_FALSE;
surface = gjs_cairo_surface_get_surface(context, surface_wrapper);
if (!surface) {
gjs_throw(context, "first argument to maskSurface() should be a surface");
return JS_FALSE;
}
cr = gjs_cairo_context_get_context(context, obj);
cairo_mask_surface(cr, surface, x, y);
if (!gjs_cairo_check_status(context, cairo_status(cr), "context"))
return JS_FALSE;
argv.rval().set(JSVAL_VOID);
return JS_TRUE;
}
static JSBool
appendPath_func(JSContext *context,
unsigned argc,
jsval *vp)
{
JS::CallArgs argv = JS::CallArgsFromVp (argc, vp);
JSObject *obj = JSVAL_TO_OBJECT(argv.thisv());
JSObject *path_wrapper;
cairo_path_t *path;
cairo_t *cr;
if (!gjs_parse_call_args(context, "path", "o", argv,
"path", &path_wrapper))
return JS_FALSE;
path = gjs_cairo_path_get_path(context, path_wrapper);
if (!path) {
gjs_throw(context, "first argument to appendPath() should be a path");
return JS_FALSE;
}
cr = gjs_cairo_context_get_context(context, obj);
cairo_append_path(cr, path);
argv.rval().set(JSVAL_VOID);
return JS_TRUE;
}
static bool
selectFontFace_func(JSContext *context,
unsigned argc,
JS::Value *vp)
{
GJS_GET_PRIV(context, argc, vp, argv, obj, GjsCairoContext, priv);
char *family;
cairo_font_slant_t slant;
cairo_font_weight_t weight;
cairo_t *cr = priv ? priv->cr : NULL;
if (!gjs_parse_call_args(context, "selectFontFace", argv, "sii",
"family", &family,
"slang", &slant,
"weight", &weight))
return false;
cairo_select_font_face(cr, family, slant, weight);
g_free(family);
if (!gjs_cairo_check_status(context, cairo_status(cr), "context"))
return false;
argv.rval().setUndefined();
return true;
}
static bool
setSourceSurface_func(JSContext *context,
unsigned argc,
JS::Value *vp)
{
GJS_GET_PRIV(context, argc, vp, argv, obj, GjsCairoContext, priv);
JS::RootedObject surface_wrapper(context);
double x, y;
cairo_surface_t *surface;
cairo_t *cr = priv ? priv->cr : NULL;
if (!gjs_parse_call_args(context, "setSourceSurface", argv, "off",
"surface", &surface_wrapper,
"x", &x,
"y", &y))
return false;
surface = gjs_cairo_surface_get_surface(context, surface_wrapper);
if (!surface) {
gjs_throw(context, "first argument to setSourceSurface() should be a surface");
return false;
}
cairo_set_source_surface(cr, surface, x, y);
if (!gjs_cairo_check_status(context, cairo_status(cr), "context"))
return false;
argv.rval().setUndefined();
return true;
}
static bool
setSource_func(JSContext *context,
unsigned argc,
JS::Value *vp)
{
GJS_GET_PRIV(context, argc, vp, argv, obj, GjsCairoContext, priv);
JS::RootedObject pattern_wrapper(context);
cairo_pattern_t *pattern;
cairo_t *cr = priv ? priv->cr : NULL;
if (!gjs_parse_call_args(context, "setSource", argv, "o",
"pattern", &pattern_wrapper))
return false;
pattern = gjs_cairo_pattern_get_pattern(context, pattern_wrapper);
if (!pattern) {
gjs_throw(context, "first argument to setSource() should be a pattern");
return false;
}
cairo_set_source(cr, pattern);
if (!gjs_cairo_check_status(context, cairo_status(cr), "context"))
return false;
argv.rval().setUndefined();
return true;
}
static bool
setDash_func(JSContext *context,
unsigned argc,
JS::Value *vp)
{
GJS_GET_PRIV(context, argc, vp, argv, obj, GjsCairoContext, priv);
guint i;
cairo_t *cr = priv ? priv->cr : NULL;
JS::RootedObject dashes(context);
double offset;
guint len;
if (!gjs_parse_call_args(context, "setDash", argv, "of",
"dashes", &dashes,
"offset", &offset))
return false;
if (!JS_IsArrayObject(context, dashes)) {
gjs_throw(context, "dashes must be an array");
return false;
}
if (!JS_GetArrayLength(context, dashes, &len)) {
gjs_throw(context, "Can't get length of dashes");
return false;
}
std::vector<double> dashes_c;
dashes_c.reserve(len);
JS::RootedValue elem(context);
for (i = 0; i < len; ++i) {
double b;
elem.setUndefined();
if (!JS_GetElement(context, dashes, i, &elem)) {
return false;
}
if (elem.isUndefined())
continue;
if (!JS::ToNumber(context, elem, &b))
return false;
if (b <= 0) {
gjs_throw(context, "Dash value must be positive");
return false;
}
dashes_c.push_back(b);
}
cairo_set_dash(cr, &dashes_c[0], dashes_c.size(), offset);
argv.rval().setUndefined();
return true;
}
static bool
copyPathFlat_func(JSContext *context,
unsigned argc,
JS::Value *vp)
{
GJS_GET_PRIV(context, argc, vp, argv, obj, GjsCairoContext, priv);
cairo_path_t *path;
cairo_t *cr = priv ? priv->cr : NULL;
if (!gjs_parse_call_args(context, "", argv, ""))
return false;
path = cairo_copy_path_flat(cr);
argv.rval().setObjectOrNull(gjs_cairo_path_from_path(context, path));
return true;
}
static JSBool
num_rectangles_func(JSContext *context,
unsigned argc,
jsval *vp)
{
PRELUDE;
int n_rects;
jsval retval;
if (!gjs_parse_call_args(context, "num_rectangles", "", argv))
return JS_FALSE;
n_rects = cairo_region_num_rectangles(this_region);
retval = INT_TO_JSVAL(n_rects);
argv.rval().set(retval);
RETURN_STATUS;
}
static JSBool
copyPathFlat_func(JSContext *context,
unsigned argc,
jsval *vp)
{
JS::CallArgs argv = JS::CallArgsFromVp (argc, vp);
JSObject *obj = JSVAL_TO_OBJECT(argv.thisv());
cairo_path_t *path;
cairo_t *cr;
if (!gjs_parse_call_args(context, "", "", argv))
return JS_FALSE;
cr = gjs_cairo_context_get_context(context, obj);
path = cairo_copy_path_flat(cr);
argv.rval().set(OBJECT_TO_JSVAL(gjs_cairo_path_from_path(context, path)));
return JS_TRUE;
}
static JSBool
get_rectangle_func(JSContext *context,
unsigned argc,
jsval *vp)
{
PRELUDE;
int i;
JSObject *rect_obj;
cairo_rectangle_int_t rect;
jsval retval;
if (!gjs_parse_call_args(context, "get_rectangle", "i", argv, "rect", &i))
return JS_FALSE;
cairo_region_get_rectangle(this_region, i, &rect);
rect_obj = make_rectangle(context, &rect);
retval = OBJECT_TO_JSVAL(rect_obj);
argv.rval().set(retval);
RETURN_STATUS;
}
static bool
showText_func(JSContext *context,
unsigned argc,
JS::Value *vp)
{
GJS_GET_PRIV(context, argc, vp, argv, obj, GjsCairoContext, priv);
char *utf8;
cairo_t *cr = priv ? priv->cr : NULL;
if (!gjs_parse_call_args(context, "showText", argv, "s",
"utf8", &utf8))
return false;
cairo_show_text(cr, utf8);
g_free(utf8);
if (!gjs_cairo_check_status(context, cairo_status(cr), "context"))
return false;
argv.rval().setUndefined();
return true;
}
/* Methods */
static bool
writeToPNG_func(JSContext *context,
unsigned argc,
JS::Value *vp)
{
GJS_GET_THIS(context, argc, vp, argv, obj);
GjsAutoChar filename;
cairo_surface_t *surface;
if (!gjs_parse_call_args(context, "writeToPNG", argv, "F",
"filename", &filename))
return false;
surface = gjs_cairo_surface_get_surface(context, obj);
if (!surface)
return false;
cairo_surface_write_to_png(surface, filename);
if (!gjs_cairo_check_status(context, cairo_surface_status(surface),
"surface"))
return false;
argv.rval().setUndefined();
return true;
}
static bool
appendPath_func(JSContext *context,
unsigned argc,
JS::Value *vp)
{
GJS_GET_PRIV(context, argc, vp, argv, obj, GjsCairoContext, priv);
JS::RootedObject path_wrapper(context);
cairo_path_t *path;
cairo_t *cr = priv ? priv->cr : NULL;
if (!gjs_parse_call_args(context, "path", argv, "o",
"path", &path_wrapper))
return false;
path = gjs_cairo_path_get_path(context, path_wrapper);
if (!path) {
gjs_throw(context, "first argument to appendPath() should be a path");
return false;
}
cairo_append_path(cr, path);
argv.rval().setUndefined();
return true;
}
static JSBool
setDash_func(JSContext *context,
unsigned argc,
jsval *vp)
{
JS::CallArgs argv = JS::CallArgsFromVp (argc, vp);
JSObject *obj = JSVAL_TO_OBJECT(argv.thisv());
guint i;
cairo_t *cr;
JSObject *dashes;
double offset;
JSBool retval = JS_FALSE;
guint len;
GArray *dashes_c = NULL;
if (!gjs_parse_call_args(context, "setDash", "of", argv,
"dashes", &dashes, "offset", &offset))
return JS_FALSE;
JS_AddObjectRoot(context, &dashes);
if (!JS_IsArrayObject(context, dashes)) {
gjs_throw(context, "dashes must be an array");
goto out;
}
if (!JS_GetArrayLength(context, dashes, &len)) {
gjs_throw(context, "Can't get length of dashes");
goto out;
}
dashes_c = g_array_sized_new (FALSE, FALSE, sizeof(double), len);
for (i = 0; i < len; ++i) {
jsval elem;
double b;
elem = JSVAL_VOID;
if (!JS_GetElement(context, dashes, i, &elem)) {
goto out;
}
if (JSVAL_IS_VOID(elem))
continue;
if (!JS_ValueToNumber(context, elem, &b))
goto out;
if (b <= 0) {
gjs_throw(context, "Dash value must be positive");
goto out;
}
g_array_append_val(dashes_c, b);
}
cr = gjs_cairo_context_get_context(context, obj);
cairo_set_dash(cr, (double*)dashes_c->data, dashes_c->len, offset);
argv.rval().set(JSVAL_VOID);
retval = JS_TRUE;
out:
if (dashes_c != NULL)
g_array_free (dashes_c, TRUE);
JS_RemoveObjectRoot(context, &dashes);
return retval;
}
