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Implement sprite_new_with_image to create a Sprite from raw image data #56

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Implement sprite_new_with_image to create a Sprite from raw image data #56

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24 changes: 23 additions & 1 deletion src/sprite.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,27 @@ sprite_new(VALUE rcv, SEL sel, VALUE name)
return rb_class_wrap_new((void *)sprite, rcv);
}

/// @method #new_with_image(data, len)
/// Creates a sprite from +data+ stream buffer image data and +len+ length
/// @param data [String] image data stream buffer
/// @param len [Integer] data length
/// @return [Sprite]

static VALUE
sprite_new_with_image(VALUE rcv, SEL sel, VALUE data, VALUE len)
{
cocos2d::Sprite *sprite = NULL;
cocos2d::Texture2D *texture = new cocos2d::Texture2D();
cocos2d::Image *image = new cocos2d::Image();

image->initWithImageData((unsigned char *)RSTRING_PTR(StringValue(data)), len);
texture->initWithImage(image);
sprite = cocos2d::Sprite::createWithTexture(texture);

assert(sprite != NULL); // TODO raise exception
return rb_class_wrap_new((void *)sprite, rcv);
}

/// @group Actions

static VALUE
Expand Down Expand Up @@ -181,7 +202,7 @@ need_physics(VALUE rcv)
{
auto physics = SPRITE(rcv)->getPhysicsBody();
if (physics == NULL) {
rb_raise(rb_eRuntimeError, "receiver does not have a physics body");
rb_raise(rb_eRuntimeError, "receiver does not have a physics body");
}
return physics;
}
Expand Down Expand Up @@ -405,6 +426,7 @@ Init_Sprite(void)

rb_define_singleton_method(rb_cSprite, "load", sprite_load, 1);
rb_define_singleton_method(rb_cSprite, "new", sprite_new, 1);
rb_define_singleton_method(rb_cSprite, "new_with_image", sprite_new_with_image, 2);
rb_define_method(rb_cSprite, "move_by", sprite_move_by, 2);
rb_define_method(rb_cSprite, "move_to", sprite_move_to, 2);
rb_define_method(rb_cSprite, "blink", sprite_blink, 2);
Expand Down