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[gjs: 10/45] [cairo] Add Context methods

commit 9a089caf2cfa393ab4a629757b38902954485016
Author: Johan Dahlin <johan gnome org>
Date:   Sun Feb 21 16:00:01 2010 -0300

    [cairo] Add Context methods
    
    This adds a bunch of Context methods

 modules/cairo-context.c |  341 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 341 insertions(+), 0 deletions(-)
---
diff --git a/modules/cairo-context.c b/modules/cairo-context.c
index fabd114..87b044a 100644
--- a/modules/cairo-context.c
+++ b/modules/cairo-context.c
@@ -26,6 +26,178 @@
 #include <cairo.h>
 #include "cairo-private.h"
 
+#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(mname) \
+static JSBool \
+mname##_func(JSContext *context, \
+              JSObject  *obj, \
+              uintN      argc, \
+              jsval     *argv, \
+              jsval     *retval) \
+{ \
+    cairo_t *cr;
+
+#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC_END \
+    return JS_TRUE; \
+}
+
+#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC0(method, cfunc) \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
+    if (argc > 0) { \
+        gjs_throw(context, "Context." #method "() requires no arguments"); \
+        return JS_FALSE; \
+    } \
+    cr = gjs_cairo_context_get_cr(context, obj); \
+    cfunc(cr); \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_END
+
+#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC0I(method, cfunc) \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
+    int ret; \
+    if (argc > 0) { \
+        gjs_throw(context, "Context." #method "() requires no arguments"); \
+        return JS_FALSE; \
+    } \
+    cr = gjs_cairo_context_get_cr(context, obj); \
+    ret = (int)cfunc(cr); \
+    *retval = INT_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; \
+    if (argc > 0) { \
+        gjs_throw(context, "Context." #method "() requires no arguments"); \
+        return JS_FALSE; \
+    } \
+    cr = gjs_cairo_context_get_cr(context, obj); \
+    cfunc(cr, &arg1, &arg2); \
+    { \
+      JSObject *array = JS_NewArrayObject(context, 0, NULL); \
+      if (!array) \
+        return JS_FALSE; \
+      jsval r; \
+      if (!JS_NewNumberValue(context, arg1, &r)) return JS_FALSE; \
+      if (!JS_SetElement(context, array, 0, &r)) return JS_FALSE; \
+      if (!JS_NewNumberValue(context, arg2, &r)) return JS_FALSE; \
+      if (!JS_SetElement(context, array, 1, &r)) return JS_FALSE; \
+      *retval = OBJECT_TO_JSVAL(array); \
+    } \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_END
+
+#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC0AFFFF(method, cfunc) \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
+    double arg1, arg2, arg3, arg4; \
+    if (argc > 0) { \
+        gjs_throw(context, "Context." #method "() requires no arguments"); \
+        return JS_FALSE; \
+    } \
+    cr = gjs_cairo_context_get_cr(context, obj); \
+    cfunc(cr, &arg1, &arg2, &arg3, &arg4); \
+    { \
+      JSObject *array = JS_NewArrayObject(context, 0, NULL); \
+      if (!array) \
+        return JS_FALSE; \
+      jsval r; \
+      if (!JS_NewNumberValue(context, arg1, &r)) return JS_FALSE; \
+      if (!JS_SetElement(context, array, 0, &r)) return JS_FALSE; \
+      if (!JS_NewNumberValue(context, arg2, &r)) return JS_FALSE; \
+      if (!JS_SetElement(context, array, 1, &r)) return JS_FALSE; \
+      if (!JS_NewNumberValue(context, arg3, &r)) return JS_FALSE; \
+      if (!JS_SetElement(context, array, 2, &r)) return JS_FALSE; \
+      if (!JS_NewNumberValue(context, arg4, &r)) return JS_FALSE; \
+      if (!JS_SetElement(context, array, 3, &r)) return JS_FALSE; \
+      *retval = OBJECT_TO_JSVAL(array); \
+    } \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_END
+
+#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC0F(method, cfunc) \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
+    double ret; \
+    if (argc > 0) { \
+        gjs_throw(context, "Context." #method "() requires no arguments"); \
+        return JS_FALSE; \
+    } \
+    cr = gjs_cairo_context_get_cr(context, obj); \
+    ret = cfunc(cr); \
+    if (!JS_NewNumberValue(context, ret, retval)) \
+        return JS_FALSE; \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_END
+
+#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC1(method, cfunc, fmt, t1, n1) \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
+    t1 arg1; \
+    if (!gjs_parse_args(context, #method, fmt, argc, argv, \
+                        #n1, &arg1)) \
+        return JS_FALSE; \
+    cr = gjs_cairo_context_get_cr(context, obj); \
+    cfunc(cr, arg1); \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_END
+
+#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC2(method, cfunc, fmt, t1, n1, t2, n2) \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
+    t1 arg1; \
+    t2 arg2; \
+    if (!gjs_parse_args(context, #method, fmt, argc, argv, \
+                        #n1, &arg1, #n2, &arg2)) \
+        return JS_FALSE; \
+    cr = gjs_cairo_context_get_cr(context, obj); \
+    cfunc(cr, arg1, arg2); \
+_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; \
+    t2 arg2; \
+    t3 arg3; \
+    if (!gjs_parse_args(context, #method, fmt, argc, argv, \
+                        #n1, &arg1, #n2, &arg2, #n3, &arg3)) \
+        return JS_FALSE; \
+    cr = gjs_cairo_context_get_cr(context, obj); \
+    cfunc(cr, arg1, arg2, arg3); \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_END
+
+#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC4(method, cfunc, fmt, t1, n1, t2, n2, t3, n3, t4, n4) \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
+    t1 arg1; \
+    t2 arg2; \
+    t3 arg3; \
+    t4 arg4; \
+    if (!gjs_parse_args(context, #method, fmt, argc, argv, \
+                        #n1, &arg1, #n2, &arg2, #n3, &arg3, #n4, &arg4)) \
+        return JS_FALSE; \
+    cr = gjs_cairo_context_get_cr(context, obj); \
+    cfunc(cr, arg1, arg2, arg3, arg4); \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_END
+
+#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC5(method, cfunc, fmt, t1, n1, t2, n2, t3, n3, t4, n4, t5, n5) \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
+    t1 arg1; \
+    t2 arg2; \
+    t3 arg3; \
+    t4 arg4; \
+    t5 arg5; \
+    if (!gjs_parse_args(context, #method, fmt, argc, argv, \
+                        #n1, &arg1, #n2, &arg2, #n3, &arg3, #n4, &arg4, #n5, &arg5)) \
+        return JS_FALSE; \
+    cr = gjs_cairo_context_get_cr(context, obj); \
+    cfunc(cr, arg1, arg2, arg3, arg4, arg5); \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_END
+
+#define _GJS_CAIRO_CONTEXT_DEFINE_FUNC6(method, cfunc, fmt, t1, n1, t2, n2, t3, n3, t4, n4, t5, n5, t6, n6) \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_BEGIN(method) \
+    t1 arg1; \
+    t2 arg2; \
+    t3 arg3; \
+    t4 arg4; \
+    t5 arg5; \
+    t6 arg6; \
+    if (!gjs_parse_args(context, #method, fmt, argc, argv, \
+                        #n1, &arg1, #n2, &arg2, #n3, &arg3, #n4, &arg4, #n5, &arg5, #n6, &arg6)) \
+        return JS_FALSE; \
+    cr = gjs_cairo_context_get_cr(context, obj); \
+    cfunc(cr, arg1, arg2, arg3, arg4, arg5, arg6); \
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC_END
+
 typedef struct {
     void *dummy;
     JSContext  *context;
@@ -111,7 +283,176 @@ static JSPropertySpec gjs_cairo_context_proto_props[] = {
 };
 
 /* Methods */
+
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC5(arc, cairo_arc, "fffff",
+                                double, xc, double, yc, double, radius, double, angle1, double, angle2)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC5(arcNegative, cairo_arc_negative, "fffff",
+                                double, xc, double, yc, double, radius, double, angle1, double, angle2)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC6(curveTo, cairo_curve_to, "ffffff",
+                                double, x1, double, y1, double, x2, double, y2, double, x3, double, y3)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(clip, cairo_clip)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(clipPreserve, cairo_clip_preserve)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0AFFFF(clipExtents, cairo_clip_extents)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(closePath, cairo_close_path)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(copyPage, cairo_copy_page)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0AFF(deviceToUser, cairo_device_to_user)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0AFF(deviceToUserDistance, cairo_device_to_user_distance)
+_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(getDash, cairo_get_dash)
+_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)
+_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_FUNC0(identityMatrix, cairo_identity_matrix)
+_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)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(newSubPath, cairo_new_sub_path)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(paint, cairo_paint)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC1(paintWithAlpha, cairo_paint_with_alpha, "f", double, alpha)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0AFFFF(pathExtents, cairo_path_extents)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(pushGroup, cairo_push_group)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC1(pushGroupWithContent, cairo_push_group_with_content, "i", cairo_content_t, content)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(popGroupToSource, cairo_pop_group_to_source)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC4(rectangle, cairo_rectangle, "ffff",
+                                double, x, double, y, double, width, double, height)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC6(relCurveTo, cairo_rel_curve_to, "ffffff",
+                                double, dx1, double, dy1, double, dx2, double, dy2, double, dx3, double, dy3)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC2(relLineTo, cairo_rel_line_to, "ff", double, dx, double, dy)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC2(relMoveTo, cairo_rel_move_to, "ff", double, dx, double, dy)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(resetClip, cairo_reset_clip)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(restore, cairo_restore)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC1(rotate, cairo_rotate, "f", double, angle)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(save, cairo_save)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC2(scale, cairo_scale, "ff", double, sx, double, sy)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC3(selectFontFace, cairo_select_font_face, "sii", const char*, family,
+                                cairo_font_slant_t, slant, cairo_font_weight_t, weight)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC1(setAntiAlias, cairo_set_antialias, "i", cairo_antialias_t, antialias)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC1(setFillRule, cairo_set_fill_rule, "i", cairo_fill_rule_t, fill_rule)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC1(setFontSize, cairo_set_font_size, "f", double, size)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC1(setLineCap, cairo_set_line_cap, "i", cairo_line_cap_t, line_cap)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC1(setLineJoin, cairo_set_line_join, "i", cairo_line_join_t, line_join)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC1(setLineWidth, cairo_set_line_width, "f", double, width)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC1(setMiterLimit, cairo_set_miter_limit, "f", double, limit)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC1(setOperator, cairo_set_operator, "i", cairo_operator_t, op)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC1(setTolerance, cairo_set_tolerance, "f", double, tolerance)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC3(setSourceRGB, cairo_set_source_rgb, "fff",
+                                double, red, double, green, double, blue)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC4(setSourceRGBA, cairo_set_source_rgba, "ffff",
+                                double, red, double, green, double, blue, double, alpha)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(showPage, cairo_show_page)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC1(showText, cairo_show_text, "s", const char*, utf8)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(stroke, cairo_stroke)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0(strokePreserve, cairo_stroke_preserve)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0AFFFF(strokeExtents, cairo_stroke_extents)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC2(translate, cairo_translate, "ff", double, tx, double, ty)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0AFF(userToDevice, cairo_user_to_device)
+_GJS_CAIRO_CONTEXT_DEFINE_FUNC0AFF(userToDeviceDistance, cairo_user_to_device_distance)
+
 static JSFunctionSpec gjs_cairo_context_proto_funcs[] = {
+    // appendPath
+    { "arc", arc_func, 0, 0 },
+    { "arcNegative", arcNegative_func, 0, 0 },
+    { "clip", clip_func, 0, 0 },
+    { "clipExtents", clipExtents_func, 0, 0 },
+    { "clipPreserve", clipPreserve_func, 0, 0 },
+    { "closePath", closePath_func, 0, 0 },
+    { "copyPage", copyPage_func, 0, 0 },
+    // copyPath
+    // copyPathFlat
+    { "curveTo", curveTo_func, 0, 0 },
+    { "deviceToUser", deviceToUser_func, 0, 0 },
+    { "deviceToUserDistance", deviceToUserDistance_func, 0, 0 },
+    { "fill", fill_func, 0, 0 },
+    { "fillPreserve", fillPreserve_func, 0, 0 },
+    { "fillExtents", fillExtents_func, 0, 0 },
+    // fontExtents
+    { "getAntiAlias", getAntiAlias_func, 0, 0 },
+    // getCurrentPoint
+    { "getDash", getDash_func, 0, 0 },
+    // getDashCount
+    { "getFillRule", getFillRule_func, 0, 0 },
+    // getFontFace
+    // getFontMatrix
+    // getFontOptions
+    // getGroupTarget
+    { "getLineCap", getLineCap_func, 0, 0 },
+    { "getLineJoin", getLineJoin_func, 0, 0 },
+    { "getLineWidth", getLineWidth_func, 0, 0 },
+    // getMatrix
+    { "getMiterLimit", getMiterLimit_func, 0, 0 },
+    { "getOperator", getOperator_func, 0, 0 },
+    // getScaledFont
+    // getSource
+    // getTarget
+    { "getTolerance", getTolerance_func, 0, 0 },
+    // glyphPath
+    // glyphExtents
+    // hasCurrentPoint
+    { "identityMatrix", identityMatrix_func, 0, 0 },
+    // inFill
+    // inStroke
+    { "lineTo", lineTo_func, 0, 0 },
+    // mask
+    // maskSurface
+    { "moveTo", moveTo_func, 0, 0 },
+    { "newPath", newPath_func, 0, 0 },
+    { "newSubPath", newSubPath_func, 0, 0 },
+    { "paint", paint_func, 0, 0 },
+    { "paintWithAlpha", paintWithAlpha_func, 0, 0 },
+    { "pathExtents", pathExtents_func, 0, 0 },
+    // popGroup
+    { "popGroupToSource", popGroupToSource_func, 0, 0 },
+    { "pushGroup", pushGroup_func, 0, 0 },
+    { "pushGroupWithContent", pushGroupWithContent_func, 0, 0 },
+    { "rectangle", rectangle_func, 0, 0 },
+    { "relCurveTo", relCurveTo_func, 0, 0 },
+    { "relLineTo", relLineTo_func, 0, 0 },
+    { "relMoveTo", relMoveTo_func, 0, 0 },
+    { "resetClip", resetClip_func, 0, 0 },
+    { "restore", restore_func, 0, 0 },
+    { "rotate", rotate_func, 0, 0 },
+    { "save", save_func, 0, 0 },
+    { "scale", scale_func, 0, 0 },
+    { "selectFontFace", selectFontFace_func, 0, 0 },
+    { "setAntiAlias", setAntiAlias_func, 0, 0 },
+    // setDash
+    // setFontFace
+    // setFontMatrix
+    // setFontOptions
+    { "setFontSize", setFontSize_func, 0, 0 },
+    { "setFillRule", setFillRule_func, 0, 0 },
+    { "setLineCap", setLineCap_func, 0, 0 },
+    { "setLineJoin", setLineJoin_func, 0, 0 },
+    { "setLineWidth", setLineWidth_func, 0, 0 },
+    // setMatrix
+    { "setMiterLimit", setMiterLimit_func, 0, 0 },
+    { "setOperator", setOperator_func, 0, 0 },
+    // setScaledFont
+    // setSource
+    { "setSourceRGB", setSourceRGB_func, 0, 0 },
+    { "setSourceRGBA", setSourceRGBA_func, 0, 0 },
+    // setSourceSurface
+    { "setTolerance", setTolerance_func, 0, 0 },
+    // showGlyphs
+    { "showPage", showPage_func, 0, 0 },
+    { "showText", showText_func, 0, 0 },
+    // showTextGlyphs
+    { "stroke", stroke_func, 0, 0 },
+    { "strokeExtents", strokeExtents_func, 0, 0 },
+    { "strokePreserve", strokePreserve_func, 0, 0 },
+    // textPath
+    // textExtends
+    // transform
+    { "translate", translate_func, 0, 0 },
+    { "userToDevice", userToDevice_func, 0, 0 },
+    { "userToDeviceDistance", userToDeviceDistance_func, 0, 0 },
     { NULL }
 };
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