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
getSource_func(JSContext *context,
unsigned argc,
jsval *vp)
{
JS::CallReceiver rec = JS::CallReceiverFromVp(vp);
JSObject *obj = JSVAL_TO_OBJECT(rec.thisv());
cairo_t *cr;
cairo_pattern_t *pattern;
JSObject *pattern_wrapper;
if (argc > 0) {
gjs_throw(context, "Context.getSource() takes no arguments");
return JS_FALSE;
}
cr = gjs_cairo_context_get_context(context, obj);
pattern = cairo_get_source(cr);
if (!gjs_cairo_check_status(context, cairo_status(cr), "context"))
return JS_FALSE;
/* pattern belongs to the context, so keep the reference */
pattern_wrapper = gjs_cairo_pattern_from_pattern(context, pattern);
if (!pattern_wrapper) {
gjs_throw(context, "failed to create pattern");
return JS_FALSE;
}
rec.rval().set(OBJECT_TO_JSVAL(pattern_wrapper));
return JS_TRUE;
}
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
appendPath_func(JSContext *context,
uintN argc,
jsval *vp)
{
jsval *argv = JS_ARGV(context, vp);
JSObject *obj = JS_THIS_OBJECT(context, vp);
JSObject *path_wrapper;
cairo_path_t *path;
cairo_t *cr;
if (!gjs_parse_args(context, "path", "o", argc, 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);
JS_SET_RVAL(context, vp, 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 JSBool
getSource_func(JSContext *context,
uintN argc,
jsval *vp)
{
JSObject *obj = JS_THIS_OBJECT(context, vp);
cairo_t *cr;
cairo_pattern_t *pattern;
JSObject *pattern_wrapper;
if (argc > 0) {
gjs_throw(context, "Context.getSource() takes no arguments");
return JS_FALSE;
}
cr = gjs_cairo_context_get_context(context, obj);
pattern = cairo_get_source(cr);
if (!gjs_cairo_check_status(context, cairo_status(cr), "context"))
return JS_FALSE;
/* pattern belongs to the context, so keep the reference */
pattern_wrapper = gjs_cairo_pattern_from_pattern(context, pattern);
if (!pattern_wrapper) {
gjs_throw(context, "failed to create pattern");
return JS_FALSE;
}
JS_SET_RVAL(context, vp, OBJECT_TO_JSVAL(pattern_wrapper));
return JS_TRUE;
}
static JSBool
getGroupTarget_func(JSContext *context,
uintN argc,
jsval *vp)
{
JSObject *obj = JS_THIS_OBJECT(context, vp);
cairo_t *cr;
cairo_surface_t *surface;
JSObject *surface_wrapper;
if (argc > 0) {
gjs_throw(context, "Context.getGroupTarget() takes no arguments");
return JS_FALSE;
}
cr = gjs_cairo_context_get_context(context, obj);
surface = cairo_get_group_target(cr);
if (!gjs_cairo_check_status(context, cairo_status(cr), "context"))
return JS_FALSE;
/* surface belongs to the context, so keep the reference */
surface_wrapper = gjs_cairo_surface_from_surface(context, surface);
if (!surface_wrapper) {
/* exception already set */
return JS_FALSE;
}
JS_SET_RVAL(context, vp, OBJECT_TO_JSVAL(surface_wrapper));
return JS_TRUE;
}
static JSBool
showText_func(JSContext *context,
uintN argc,
jsval *vp)
{
jsval *argv = JS_ARGV(context, vp);
JSObject *obj = JS_THIS_OBJECT(context, vp);
char *utf8;
cairo_t *cr;
if (!gjs_parse_args(context, "showText", "s", argc, 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;
JS_SET_RVAL(context, vp, JSVAL_VOID);
return JS_TRUE;
}
static JSBool
selectFontFace_func(JSContext *context,
uintN argc,
jsval *vp)
{
jsval *argv = JS_ARGV(context, vp);
JSObject *obj = JS_THIS_OBJECT(context, vp);
char *family;
cairo_font_slant_t slant;
cairo_font_weight_t weight;
cairo_t *cr;
if (!gjs_parse_args(context, "selectFontFace", "sii", argc, 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;
JS_SET_RVAL(context, vp, JSVAL_VOID);
return JS_TRUE;
}
static JSBool
setSourceSurface_func(JSContext *context,
uintN argc,
jsval *vp)
{
jsval *argv = JS_ARGV(context, vp);
JSObject *obj = JS_THIS_OBJECT(context, vp);
JSObject *surface_wrapper;
double x, y;
cairo_surface_t *surface;
cairo_t *cr;
if (!gjs_parse_args(context, "setSourceSurface", "off", argc, 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 setSourceSurface() should be a surface");
return JS_FALSE;
}
cr = gjs_cairo_context_get_context(context, obj);
cairo_set_source_surface(cr, surface, x, y);
if (!gjs_cairo_check_status(context, cairo_status(cr), "context"))
return JS_FALSE;
JS_SET_RVAL(context, vp, JSVAL_VOID);
return JS_TRUE;
}
static JSBool
setSource_func(JSContext *context,
uintN argc,
jsval *vp)
{
jsval *argv = JS_ARGV(context, vp);
JSObject *obj = JS_THIS_OBJECT(context, vp);
JSObject *pattern_wrapper;
cairo_pattern_t *pattern;
cairo_t *cr;
if (!gjs_parse_args(context, "setSource", "o", argc, 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;
JS_SET_RVAL(context, vp, JSVAL_VOID);
return JS_TRUE;
}
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
getGroupTarget_func(JSContext *context,
unsigned argc,
jsval *vp)
{
JS::CallReceiver rec = JS::CallReceiverFromVp(vp);
JSObject *obj = JSVAL_TO_OBJECT(rec.thisv());
cairo_t *cr;
cairo_surface_t *surface;
JSObject *surface_wrapper;
if (argc > 0) {
gjs_throw(context, "Context.getGroupTarget() takes no arguments");
return JS_FALSE;
}
cr = gjs_cairo_context_get_context(context, obj);
surface = cairo_get_group_target(cr);
if (!gjs_cairo_check_status(context, cairo_status(cr), "context"))
return JS_FALSE;
/* surface belongs to the context, so keep the reference */
surface_wrapper = gjs_cairo_surface_from_surface(context, surface);
if (!surface_wrapper) {
/* exception already set */
return JS_FALSE;
}
rec.rval().set(OBJECT_TO_JSVAL(surface_wrapper));
return JS_TRUE;
}
static JSBool
copyPathFlat_func(JSContext *context,
uintN argc,
jsval *vp)
{
jsval *argv = JS_ARGV(context, vp);
JSObject *obj = JS_THIS_OBJECT(context, vp);
cairo_path_t *path;
cairo_t *cr;
if (!gjs_parse_args(context, "", "", argc, argv))
return JS_FALSE;
cr = gjs_cairo_context_get_context(context, obj);
path = cairo_copy_path_flat(cr);
JS_SET_RVAL(context, vp, OBJECT_TO_JSVAL(gjs_cairo_path_from_path(context, path)));
return JS_TRUE;
}
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 bool
context_to_g_argument(JSContext *context,
JS::Value value,
const char *arg_name,
GjsArgumentType argument_type,
GITransfer transfer,
bool may_be_null,
GArgument *arg)
{
JS::RootedObject obj(context, value.toObjectOrNull());
cairo_t *cr;
cr = gjs_cairo_context_get_context(context, obj);
if (!cr)
return false;
if (transfer == GI_TRANSFER_EVERYTHING)
cairo_reference(cr);
arg->v_pointer = cr;
return true;
}
static JSBool
context_to_g_argument(JSContext *context,
jsval value,
const char *arg_name,
GjsArgumentType argument_type,
GITransfer transfer,
gboolean may_be_null,
GArgument *arg)
{
JSObject *obj;
cairo_t *cr;
obj = JSVAL_TO_OBJECT(value);
cr = gjs_cairo_context_get_context(context, obj);
if (!cr)
return JS_FALSE;
if (transfer == GI_TRANSFER_EVERYTHING)
cairo_reference(cr);
arg->v_pointer = cr;
return JS_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;
}
