[gjs: 30/45] [cairo] Wrap a few new methods for context
- From: Johan Dahlin <johan src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gjs: 30/45] [cairo] Wrap a few new methods for context
- Date: Tue, 2 Mar 2010 18:54:35 +0000 (UTC)
commit 629b225b57576b71d3a8d61298f4f8bb28d3e0db
Author: Johan Dahlin <johan gnome org>
Date: Fri Feb 26 18:59:23 2010 -0300
[cairo] Wrap a few new methods for context
inFill/inStroke/getSource/getGroupTarget/getTarget/getDashCount
getCurrentPoint/hasCurrentPoint/popGroup
modules/cairo-context.c | 176 ++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 167 insertions(+), 9 deletions(-)
---
diff --git a/modules/cairo-context.c b/modules/cairo-context.c
index 4093da3..8134704 100644
--- a/modules/cairo-context.c
+++ b/modules/cairo-context.c
@@ -63,6 +63,15 @@ _GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
*retval = INT_TO_JSVAL(ret); \
_GJS_CAIRO_CONTEXT_DEFINE_FUNC_END
+#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC0B(method, cfunc) \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
+ cairo_bool_t ret; \
+ _GJS_CAIRO_CONTEXT_CHECK_NO_ARGS(method) \
+ cr = gjs_cairo_context_get_context(context, obj); \
+ ret = cfunc(cr); \
+ *retval = BOOLEAN_TO_JSVAL(ret); \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_END
+
#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC0AFF(method, cfunc) \
_GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
double arg1, arg2; \
@@ -136,6 +145,19 @@ _GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
cfunc(cr, arg1, arg2); \
_GJS_CAIRO_CONTEXT_DEFINE_FUNC_END
+#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC2B(method, cfunc, fmt, t1, n1, t2, n2) \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
+ t1 arg1; \
+ t2 arg2; \
+ cairo_bool_t ret; \
+ if (!gjs_parse_args(context, #method, fmt, argc, argv, \
+ #n1, &arg1, #n2, &arg2)) \
+ return JS_FALSE; \
+ cr = gjs_cairo_context_get_context(context, obj); \
+ cfunc(cr, arg1, arg2); \
+ *retval = BOOLEAN_TO_JSVAL(ret); \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_END
+
#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC3(method, cfunc, fmt, t1, n1, t2, n2, t3, n3) \
_GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
t1 arg1; \
@@ -295,7 +317,9 @@ _GJS_CAIRO_CONTEXT_DEFINE_FUNC0(fill, cairo_fill)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(fillPreserve, cairo_fill_preserve)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC0AFFFF(fillExtents, cairo_fill_extents)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC0I(getAntiAlias, cairo_get_antialias)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0AFF(getCurrentPoint, cairo_get_current_point)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC0AFF(getDash, cairo_get_dash)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0I(getDashCount, cairo_get_dash_count)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC0I(getFillRule, cairo_get_fill_rule)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC0I(getLineCap, cairo_get_line_cap)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC0I(getLineJoin, cairo_get_line_join)
@@ -303,7 +327,10 @@ _GJS_CAIRO_CONTEXT_DEFINE_FUNC0F(getLineWidth, cairo_get_line_width)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC0F(getMiterLimit, cairo_get_miter_limit)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC0I(getOperator, cairo_get_operator)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC0F(getTolerance, cairo_get_tolerance)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0B(hasCurrentPoint, cairo_has_current_point)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(identityMatrix, cairo_identity_matrix)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC2B(inFill, cairo_in_fill, "ff", double, x, double, y)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC2B(inStroke, cairo_in_stroke, "ff", double, x, double, y)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC2(lineTo, cairo_line_to, "ff", double, x, double, y)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC2(moveTo, cairo_move_to, "ff", double, x, double, y)
_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(newPath, cairo_new_path)
@@ -531,6 +558,137 @@ selectFontFace_func(JSContext *context,
return JS_TRUE;
}
+static JSBool
+popGroup_func(JSContext *context,
+ JSObject *obj,
+ uintN argc,
+ jsval *argv,
+ jsval *retval)
+{
+ cairo_t *cr;
+ cairo_pattern_t *pattern;
+ JSObject *pattern_wrapper;
+
+ if (argc > 0) {
+ gjs_throw(context, "Context.popGroup() takes no arguments");
+ return JS_FALSE;
+ }
+
+ cr = gjs_cairo_context_get_context(context, obj);
+ pattern = cairo_pop_group(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;
+ }
+
+ *retval = OBJECT_TO_JSVAL(pattern_wrapper);
+
+ return JS_TRUE;
+}
+static JSBool
+getSource_func(JSContext *context,
+ JSObject *obj,
+ uintN argc,
+ jsval *argv,
+ jsval *retval)
+{
+ 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;
+ }
+
+ *retval = OBJECT_TO_JSVAL(pattern_wrapper);
+
+ return JS_TRUE;
+}
+
+static JSBool
+getTarget_func(JSContext *context,
+ JSObject *obj,
+ uintN argc,
+ jsval *argv,
+ jsval *retval)
+{
+ cairo_t *cr;
+ cairo_surface_t *surface;
+ JSObject *surface_wrapper;
+
+ if (argc > 0) {
+ gjs_throw(context, "Context.getTarget() takes no arguments");
+ return JS_FALSE;
+ }
+
+ cr = gjs_cairo_context_get_context(context, obj);
+ surface = cairo_get_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) {
+ gjs_throw(context, "failed to create surface");
+ return JS_FALSE;
+ }
+
+ *retval = OBJECT_TO_JSVAL(surface_wrapper);
+
+ return JS_TRUE;
+}
+
+static JSBool
+getGroupTarget_func(JSContext *context,
+ JSObject *obj,
+ uintN argc,
+ jsval *argv,
+ jsval *retval)
+{
+ 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) {
+ gjs_throw(context, "failed to create surface");
+ return JS_FALSE;
+ }
+
+ *retval = OBJECT_TO_JSVAL(surface_wrapper);
+
+ return JS_TRUE;
+}
+
static JSFunctionSpec gjs_cairo_context_proto_funcs[] = {
// appendPath
{ "arc", arc_func, 0, 0 },
@@ -550,14 +708,14 @@ static JSFunctionSpec gjs_cairo_context_proto_funcs[] = {
{ "fillExtents", fillExtents_func, 0, 0 },
// fontExtents
{ "getAntiAlias", getAntiAlias_func, 0, 0 },
- // getCurrentPoint
+ { "getCurrentPoint", getCurrentPoint_func, 0, 0 },
{ "getDash", getDash_func, 0, 0 },
- // getDashCount
+ { "getDashCount", getDashCount_func, 0, 0 },
{ "getFillRule", getFillRule_func, 0, 0 },
// getFontFace
// getFontMatrix
// getFontOptions
- // getGroupTarget
+ { "getGroupTarget", getGroupTarget_func, 0, 0 },
{ "getLineCap", getLineCap_func, 0, 0 },
{ "getLineJoin", getLineJoin_func, 0, 0 },
{ "getLineWidth", getLineWidth_func, 0, 0 },
@@ -565,15 +723,15 @@ static JSFunctionSpec gjs_cairo_context_proto_funcs[] = {
{ "getMiterLimit", getMiterLimit_func, 0, 0 },
{ "getOperator", getOperator_func, 0, 0 },
// getScaledFont
- // getSource
- // getTarget
+ { "getSource", getSource_func, 0, 0 },
+ { "getTarget", getTarget_func, 0, 0 },
{ "getTolerance", getTolerance_func, 0, 0 },
// glyphPath
// glyphExtents
- // hasCurrentPoint
+ { "hasCurrentPoint", hasCurrentPoint_func, 0, 0 },
{ "identityMatrix", identityMatrix_func, 0, 0 },
- // inFill
- // inStroke
+ { "inFill", inFill_func, 0, 0 },
+ { "inStroke", inStroke_func, 0, 0 },
{ "lineTo", lineTo_func, 0, 0 },
{ "mask", mask_func, 0, 0 },
{ "maskSurface", maskSurface_func, 0, 0 },
@@ -583,7 +741,7 @@ static JSFunctionSpec gjs_cairo_context_proto_funcs[] = {
{ "paint", paint_func, 0, 0 },
{ "paintWithAlpha", paintWithAlpha_func, 0, 0 },
{ "pathExtents", pathExtents_func, 0, 0 },
- // popGroup
+ { "popGroup", popGroup_func, 0, 0 },
{ "popGroupToSource", popGroupToSource_func, 0, 0 },
{ "pushGroup", pushGroup_func, 0, 0 },
{ "pushGroupWithContent", pushGroupWithContent_func, 0, 0 },
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